CN101175331A

CN101175331A - Call bearing detecting method and mobile switching centre server

Info

Publication number: CN101175331A
Application number: CNA2007101772593A
Authority: CN
Inventors: 李翔
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2007-11-13
Filing date: 2007-11-13
Publication date: 2008-05-07
Also published as: WO2009067916A1

Abstract

The present invention relates to call load detection method. A detection call is initiated by an initiator. A load path message is specified by a specified verifier according to different load methods. The detecting call is established according to the specified load path message. The present invention relates to a MSC-S, the MSC-S comprises a specified load path message module and a first establishing detecting call module; the specified load path message module is used for specifying the load path message, the first establishing detecting call module is used for establishing the detecting call according to the specified load path message. In addition, the present invention also relates to another MSC-S, the MSC-S comprises an analysis module and a second establishing detecting call module; the analysis module is used for analyzing the load path message specified by a calling terminal and gaining the load path message, and the second establishing detecting call module is used for establishing the detecting call according to the received load path message. The call load detecting method and the MSC-S in the present invention solve the disadvantage of the prior art that maintenance personnel can not specify the path, because the load path is randomly selected by network equipment; and the call load detecting with higher pertinence is realized.

Description

Call bearer detection method and Mobile Switching Center Server

Technical field

The present invention relates to communication technical field, particularly a kind of call bearer detection method and Mobile Switching Center Server.

Background technology

Along with portable terminal popularize day by day and with the fusion of technology such as network, multimedia, mobile communication system just more and more is subjected to people's attention.Mobile communications network all adopts similar substantially architecture, promptly is made of elementary cells such as base station node B/BTS, base station controller RNC/BSC, the MSC/MSC Server of switching center, gateway MGW/SGSN.And, realized separating of carrying and control in circuit domain along with the continuous evolution of mobile core network, for example: mobile switching centre (Mobile Switching Center, hereinafter to be referred as: MSC) mainly be responsible for the processing signaling control section; Media gateway (Media Gaterway, hereinafter to be referred as: MGW) the main processing bearing part of being responsible for.Bearing mode mainly comprises: TDM carrying, ATM carrying and IP carrying, and IP and ATM bearing mode more and more have been applied to the carrying of transport layer in the actual mobile communications network.Wherein the IP carrying is divided three classes according to networking mode is different with network element: the IP carrying between RNC/BSC and MGW, the IP carrying between intra-office MGW and the IP carrying between interoffice MGW; The ATM carrying is divided three classes according to networking mode is different with network element: the ATM carrying of the ATM carrying between RNC and MGW, the ATM carrying between intra-office MGW and interoffice MGW.

Operator and network of relation attendant need carry out testing to bearer paths all in the whole bearer network for guaranteeing the normal operation of network, and whether be used for detecting speech quality normal.At present, what industry was generally used is a kind of testing mode at random, promptly be dispersed in each and need testing location (generally being under certain concrete RNC or BSC) by each testing mobile phone, another testing mobile phone of dialing by reality, detect speech quality, bearer path is selected at random by MSC server, MGW and RNC/BSC.

Because bearer path is selected at random by MSC server, MGW and RNC/BSC, the attendant can't specify, and detects all IP/ATM bearer paths that are difficult to cover in the transport layer, causes detection efficiency low, can't check all paths in the network, stay hidden danger for the normal operation of network.

Summary of the invention

The embodiment of the invention provides a kind of call bearer detection method and Mobile Switching Center Server, solve that bearer path in the prior art is selected at random by the network equipment and the attendant that brings can't specified path defective, realize detecting targetedly.

The embodiment of the invention provides a kind of call bearer detection method on the one hand, and comprising: the initiator initiates detection of call; According to different bearing modes, designated parties designated bearing routing information; Described bearer path information according to appointment is set up detection of call.

Described initiator initiates detection of call and is specially: be initiated to the calling of calling terminal by mobile switching centre; Perhaps initiate detection of call by calling terminal; Described designated parties designated bearing routing information is specially: by described Mobile Switching Center Server designated bearing routing information; Perhaps initiate to increase called party information, the designated bearing routing information behind the called number of detection of call at described calling terminal; Perhaps send dual-tone multifrequency information, designated bearing routing information by described calling terminal.

Increase called party information behind the described called number of initiating detection of call at calling terminal, the designated bearing routing information is specially: configuration bearer path information on Mobile Switching Center Server, and set up index, behind the called number of described calling terminal initiation detection of call, increase the bearer path information index; Described designated bearing routing information is: designated call carries the bearer path information of a side, perhaps the bearer path information of designated call carrying both sides.

The embodiment of the invention provides a kind of Mobile Switching Center Server on the other hand, comprising:

Designated bearing routing information module is used to specify bearer path information;

First sets up the detection of call module, is used for setting up detection of call according to described designated bearing routing information.

The embodiment of the invention provides a kind of Mobile Switching Center Server more on the one hand, comprising:

Analysis module is used to analyze the bearer path information of calling terminal appointment, obtains described bearer path information;

Second sets up the detection of call module, is used for setting up detection of call according to the described bearer path information that obtains.

By above technical scheme as can be known, the call bearer detection method and the Mobile Switching Center Server of the embodiment of the invention, solved that bearer path in the prior art is selected at random by the network equipment and the attendant that brings can't specified path defective, make network measuring more comprehensive, realize that call bearer detects more targetedly.

Also in conjunction with the accompanying drawings the present invention is described in further detail below by specific embodiment.

Description of drawings

Fig. 1 is the embodiment of the invention one a call bearer detection method flow chart;

Fig. 2 is the embodiment of the invention two call bearer detection method flow charts;

Fig. 3 A is the embodiment of the invention three call bearer detection method signaling process figure;

Fig. 3 B is the embodiment of the invention three another signaling process of call bearer detection method figure;

Fig. 4 for the embodiment of the invention four classes of syllables in carrying detection method signaling process figure;

Fig. 5 is the embodiment of the invention five call bearer detection method signaling process figure;

Fig. 6 is the embodiment of the invention six call bearer detection method signaling process figure;

Fig. 7 is the embodiment of the invention seven call bearer detection method signaling process figure;

Fig. 8 is the embodiment of the invention eight call bearer detection method signaling process figure;

Fig. 9 is the embodiment of the invention nine call bearer detection method flow charts;

Figure 10 A is the embodiment of the invention ten call bearer detection method signaling process figure;

Figure 10 B is the embodiment of the invention ten another signaling process of call bearer detection method figure;

Figure 10 C is the another signaling process figure of the embodiment of the invention ten call bearer detection methods;

Figure 10 D is the embodiment of the invention ten call bearer detection methods signaling process figure again;

Figure 11 A is the embodiment of the invention 11 call bearer detection method signaling process figure;

Figure 11 B is the embodiment of the invention 11 another signaling process of call bearer detection method figure;

Figure 12 A is the embodiment of the invention 12 call bearer detection method signaling process figure;

Figure 12 B is the embodiment of the invention 12 another signaling process of call bearer detection method figure;

Figure 13 A is the embodiment of the invention 13 call bearer detection method signaling process figure;

Figure 13 B is the embodiment of the invention 13 another signaling process of call bearer detection method figure;

Figure 14 A is that the embodiment of the invention ten four classes of syllables are in carrying detection method signaling process figure;

Figure 14 B is that the embodiment of the invention ten four classes of syllables are in another signaling process of carrying detection method figure;

Figure 15 A is the embodiment of the invention 15 call bearer detection method signaling process figure;

Figure 15 B is the embodiment of the invention 15 another signaling process of call bearer detection method figure;

Figure 16 is the embodiment of the invention 16 call bearer detection method flow charts;

Figure 17 A is the embodiment of the invention 17 call bearer detection method signaling process figure;

Figure 17 B is the embodiment of the invention 17 another signaling process of call bearer detection method figure;

Figure 18 is the embodiment of the invention 18 call bearer detection method signaling process figure;

Figure 19 is the embodiment of the invention 19 call bearer detection method signaling process figure;

Figure 20 is the embodiment of the invention 20 call bearer detection method signaling process figure;

Figure 21 is the embodiment of the invention 21 call bearer detection method signaling process figure;

Figure 22 is the embodiment of the invention 22 call bearer detection method signaling process figure.

Embodiment

As shown in Figure 1, be the embodiment of the invention one call bearer detection method flow chart, concrete steps are:

Step 101, initiate detection of call by the initiator;

Step 102, according to different bearing modes, designated parties designated bearing routing information;

Step 103, set up detection of call according to the bearer path information of appointment.

Wherein initiator and designated parties can be respectively mobile switching centre or calling terminal.Designated parties designated bearing routing information has mainly comprised the mode of three kinds of assigned ip/ATM bearer path information, is respectively: by Mobile Switching Center Server designated bearing routing information; Behind the called number of calling terminal initiation detection of call, increase called party information, the designated bearing routing information; Send dual-tone multifrequency information, designated bearing routing information by calling terminal.

The bearer path information of can designated call when the designated bearing routing information carrying a side, perhaps the bearer path information of designated call carrying both sides is all specified, make call bearer can overlay network in all IP/ATM bearer paths, thereby reach more targeted, improved the efficient that call bearer detects greatly the call bearer detection.The IP bearer path information of MGW/RNC/BSC in the scheme of the embodiment of the invention is carrying IP information; The ATM bearer path information of MGW/RNC is the carrying atm information.

First kind of assigned ip/ATM bearer path information is carried out the method that call bearer detects: by the MSC server (hereinafter to be referred as: MSC-S) be initiated to the calling of calling terminal, and according to different bearing mode designated bearing routing informations, concrete call bearer detection method is as follows.

As shown in Figure 2, be the embodiment of the invention two call bearer detection method flow charts, concrete steps are:

Step 201, MSC-S are initiated to the calling of calling terminal, connect and maintenance connection calling terminal;

Step 202, according to different bearing modes, by MSC-S designated bearing routing information;

Different bearing modes is according to different different IP bearing modes or the ATM bearing modes that divide with network element of networking mode, and the IP carrying comprises: the IP carrying between RNC/BSC and MGW, the IP carrying between intra-office MGW and the IP carrying between interoffice MGW; The ATM carrying comprises: the ATM carrying of the ATM carrying between RNC and MGW, the ATM carrying between intra-office MGW and interoffice MGW.The specified bearer path information of MSC-S is different in every kind of bearing mode, and the detection of call of foundation also is different.

Step 203, set up detection of call according to the bearer path information of MSC-S appointment.

The bearer path information difference of MSC-S appointment, it is the bearing mode difference, the flow process of setting up bearing call in network is just different, every kind of method of setting up bearing call all is in order to realize by all bearer paths in the designated bearing routing information traverses network, thereby it is more targeted, more comprehensive that call bearer is detected.

As shown in Figure 3A, be the embodiment of the invention three call bearer detection method signaling process figure, be the carrying of the IP between RNC/BSC and MGW, concrete steps are:

Step 301, MSC-S are initiated to the calling of calling terminal, connect and maintenance connection calling terminal;

Step 302, by the IP bearer path information that MSC-S specifies called MGW, comprising: specify the sign of called MGW, and specify IP address information and the IP domain information of called MGW, perhaps IP address information, IP domain information and IP port number information;

Only specify the IP bearer path information of called MGW in the above-mentioned information, do not specified the I P bearer path information of called RNC/BSC; Must comprise IP address information and IP domain information in the IP bearer path information of specifying called MGW, the IP port number information belongs to optional information, if do not import, by specifying called MGW optional;

Step 303, MSC-S are initiated to the calling of terminal called;

Step 304, MSC-S send called interpolation (hereinafter to be referred as ADD) message, specifying called MGW to set up the callee side end points, comprise in the called ADD message: specify IP address information and the IP domain information of called MGW, perhaps IP address information, IP domain information and IP port number information;

As if the IP port number information of not specifying called MGW, there is not the IP port number information in the then called ADD message in the MSC-S assigned ip bearer path information yet; If specify the IP port number information of called MGW in the MSC-S assigned ip bearer path information, in the then called ADD message IP port number information arranged also;

Step 305, specify called MGW return called response message (hereinafter to be referred as: ADD Reply) to MSC-S;

Step 306, the called MGW of appointment set up according to the called ADD message that receives and specify the IP between called RNC/BSC to carry;

Step 307, MSC-S issue assignment request message (hereinafter to be referred as: Assignment Request);

Step 308, the called RNC/BSC of appointment set up according to the optional IP bearer path information of the Assignment Request that receives and specify the IP between called MGW to carry;

Because the IP bearer path information of not specifying called RNC/BSC in step 302, so called herein RNC/BSC will and specify the IP between called MGW to carry according to the optional IP bearer path information foundation of the Assignment Request that receives;

Step 309, specify called RNC/BSC return called response message (hereinafter to be referred as: AssignmentComplete) to MSC-S;

Step 310, MSC-S connect calling terminal and terminal called, enter conversation and detect network state.

Shown in Fig. 3 B, be the embodiment of the invention three another signaling process of call bearer detection method figure, also be the IP carrying between RNC/BSC and MGW, concrete steps are:

Step 301 ', MSC-S is initiated to the calling of calling terminal, connect also to keep connecting calling terminal;

Step 302 ', by the IP bearer path information that MSC-S specifies called MGW and called RNC/BSC, comprising: specify the sign of called MGW, and specify IP address information and the IP domain information of called MGW, perhaps IP address information, IP domain information and IP port number information; Specify IP address information and the IP domain information of called RNC/BSC, perhaps IP address information, IP domain information and IP port number information;

Both specify the IP bearer path information of called MGW in the above-mentioned information, also specified the IP bearer path information of called RNC/BSC; Must comprise IP address information and IP domain information in the IP of called MGW and called RNC/BSC bearer path information, the IP port number information belongs to optional information, and is if do not import, optional by called MGW and called RNC/BSC;

Step 303 ', MSC-S is initiated to the calling of terminal called;

Step 304 ', MSC-S sends called ADD message, specifying called MGW to set up the callee side end points, comprise in the called ADD message: specify IP address information and the IP domain information of called MGW, perhaps IP address information, IP domain information and IP port number information;

Step 305 ', specify called MGW to return called ADD Reply to MSC-S;

Step 306 ', specify called MGW to set up with specifying the IP between called RNC/BSC to carry according to the called ADD message that receives;

Step 307 ', MSC-S issues Assignment Request, comprise among the Assignment Request: specify IP address information and the IP domain information of called RNC/BSC, perhaps IP address information, IP domain information and IP port number information;

Step 308 ', specify called RNC/BSC to set up with specifying the IP between called MGW to carry according to the Assignment Request that receives;

Step 309 ', specify called RNC/BSC to return called Assignment Complete to MSC-S;

Step 310 ', MSC-S connects calling terminal and terminal called, entering conversation and detecting network state.

Under the IP bearing mode, this is specified called MGW and specifies the IP method of loading information of called RNC/BSC can travel through the all-calls bearer path that IP carries between RNC/BSC and MGW, and it is more comprehensive, more targeted that call bearer is detected.

As shown in Figure 4, for the embodiment of the invention four classes of syllables in carrying detection method signaling process figure, be the carrying of the IP between intra-office MGW, concrete steps are:

The sign that step 401, MSC-S specify caller MGW;

Step 402, MSC-S are initiated to the calling of calling terminal according to the sign of specifying caller MGW, connect also to keep connecting calling terminal;

Step 403, MSC-S specify the IP bearer path information of calling/called MGW, comprise: the IP address information and the IP domain information of specifying caller MGW, perhaps IP address information, IP domain information and IP port number information, specify the sign of called MGW, and the IP address information and the IP domain information of specifying called MGW, perhaps IP address information, IP domain information and IP port number information;

Specified the IP bearer path information of calling/called MGW in the above-mentioned information respectively, in the IP of calling/called MGW bearer path information, must comprise IP address information and IP domain information, the IP port number information belongs to optional information, and is if do not import, optional by calling/called MGW;

Step 404, MSC-S are initiated to the calling of terminal called;

Step 405, MSC-S send caller ADD message, specifying caller MGW to set up middle carrying end, comprise in the caller ADD message: specify IP address information and the IP domain information of caller MGW, perhaps IP address information, IP domain information and IP port number information;

As if the IP port number information of not specifying caller MGW, then there is not the IP port number information in the caller ADD message in the MSC-S assigned ip bearer path information yet; If specify the IP port number information of caller MGW in the MSC-S assigned ip bearer path information, then in the caller ADD message IP port number information arranged also;

Step 406, appointment caller MGW return caller ADD Reply to MSC-S;

Step 407, appointment caller MGW set up according to the caller ADD message that receives and specify the IP between called MGW to carry;

Step 408, MSC-S send called ADD message, specifying called MGW to set up middle carrying end, comprise in the called ADD message: specify IP address information and the IP domain information of called MGW, perhaps IP address information, IP domain information and IP port number information;

Step 409, the called MGW of appointment return called ADD Reply to MSC-S;

Step 410, the called MGW of appointment set up according to the called ADD message that receives and specify the IP between caller MGW to carry;

Step 411, MSC-S connect calling terminal and terminal called, enter conversation and detect network state.

Under the IP bearing mode, this specifies the IP method of loading information between calling/called MGW can travel through the all-calls bearer path that IP carries between caller MGW and called MGW, and it is more comprehensive, more targeted that call bearer is detected.

As shown in Figure 5, be the embodiment of the invention five call bearer detection method signaling process figure, be the carrying of the IP between interoffice MGW, concrete steps are:

Step 501, local exchange MSC-S are initiated to the calling of calling terminal, connect and maintenance connection calling terminal

The IP bearer path information that step 502, local exchange MSC-S specify interoffice MGW, comprise: the sign of the out MGW of the appointment local exchange of calling terminal, and the IP address information and the IP domain information of specifying the out MGW of local exchange, perhaps IP address information, IP domain information and IP port number information; The appointment of terminal called the play a game sign of Incoming MGW and the IP address information and the IP domain information of specifying the Incoming MGW that plays a game, perhaps IP address information, IP domain information and IP port number information;

Specified the IP bearer path information of the Incoming MGW that plays a game of the out MGW of local exchange of calling terminal and terminal called in the above-mentioned information respectively, in the IP bearer path information of the Incoming MGW that plays a game of out MGW of the local exchange of calling terminal and terminal called, must comprise IP address information and IP domain information, the IP port number information belongs to optional information, if it is do not import, optional by the Incoming MGW that plays a game of out MGW of the local exchange of calling terminal and terminal called;

Step 503, local exchange MSC-S are initiated to the outbound call of terminal called;

Step 504, local exchange MSC-S send local exchange ADD message, specifying the out MGW of local exchange to set up out end points, comprise in the local exchange ADD message: specify IP address information and the IP domain information of the out MGW of local exchange, perhaps IP address information, IP domain information and IP port number information;

If do not specify the IP port number information of the out MGW of local exchange, then there is not the IP port number information in the local exchange ADD message in the local exchange MSC-S assigned ip bearer path information yet; If specify the IP port number information of the out MGW of local exchange in the MSC-S assigned ip bearer path information, then in the local exchange ADD message IP port number information arranged also;

Step 505, the out MGW of appointment local exchange return local exchange ADD Reply to MSC-S;

Step 506, the out MGW of described appointment local exchange set up and specify the IP carrying of playing a game between Incoming MGW according to the local exchange ADD message that receives;

Initialization address message (Initial AddressMessage between step 507, local exchange MSC-S forwarding office, hereinafter to be referred as: IAM), comprise: the sign of specifying the Incoming MGW that plays a game, and the IP address information and the IP domain information of specifying the Incoming MGW that plays a game, perhaps IP address information, IP domain information and IP port number information;

Step 508, the MSC-S that plays a game are initiated to the calling of terminal called;

Step 509, the MSC-S that plays a game receive IAM, the transmission ADD message of playing a game, set up out end points at the appointment Incoming MGW that plays a game, comprise in the ADD message of playing a game: specify IP address information and the IP domain information of the Incoming MGW that plays a game, perhaps IP address information, IP domain information and IP port number information;

If there is not to specify the IP port number information of the Incoming MGW that plays a game, there is not the IP port number information in the ADD message of then playing a game in the IP bearer path information that local exchange MSC-S transmits yet; If specify the IP port number information of the Incoming MGW that plays a game in the IP bearer path information that local exchange MSC-S transmits, in the ADD message of then playing a game the IP port number information arranged also;

Step 510, specify the Incoming MGW that plays a game to return the ADD Reply that plays a game to the MSC-S that plays a game;

Step 511, specify the Incoming MGW that plays a game to set up with specifying the IP between the out MGW of local exchange to carry according to the ADD message of playing a game that receives;

Step 512, local exchange MSC-S and the MSC-S that plays a game connect calling terminal and terminal called, enter conversation and detect network state.

Under the IP bearing mode, the IP method of loading information of playing a game between Incoming MGW of out MGW of the local exchange of this appointment calling terminal and terminal called can travel through the out MGW of local exchange of calling terminal and the all-calls bearer path that IP carries between Incoming MGW of playing a game of terminal called, it is more comprehensive, more targeted that call bearer is detected.

As shown in Figure 6, be the embodiment of the invention six call bearer detection method signaling process figure, be the carrying of the ATM between RNC and MGW, concrete steps are:

Step 601, MSC-S are initiated to the calling of calling terminal, connect and maintenance connection calling terminal;

Step 602, MSC-S specify the ATM bearer path information of called MGW and called RNC, comprising: specify the sign of called MGW, and specify virtual path sign and the Virtual Channel sign of called RNC, perhaps virtual path sign, Virtual Channel sign and gap marker;

Specified the ATM bearer path information of called MGW and called RNC in the above-mentioned information; Must comprise virtual path sign and Virtual Channel sign in this ATM bearer path information, gap marker belongs to optional information, and is if do not import, optional by called RNC;

Step 603, MSC-S are initiated to the calling of terminal called;

Step 604, MSC-S send called ADD message, are specifying called MGW to set up the callee side end points;

Step 605, called MGW return called ADD Reply to MSC-S, carry the atm address of called MGW among the called ADD Reply;

Step 606, the called MGW of appointment set up according to the called ADD message that receives and specify the ATM between called RNC to carry;

Step 607, MSC-S issue Assignment Request, comprise among the Assignment Request: the atm address of specifying called MGW, and the virtual path sign and the Virtual Channel sign of specifying called RNC, perhaps virtual path sign, Virtual Channel sign and gap marker;

If do not comprise gap marker in the ATM bearer path information in the step 602, then do not comprise this gap marker among this AssignmentRequest yet; If comprise gap marker in the ATM bearer path information in the step 602, then also comprise this gap marker among this Assignment Request;

Step 608, the called RNC of appointment set up according to the Assignment Request that receives and specify the ATM between called MGW to carry;

Step 609, the called RNC of appointment return called Assignment Complete to MSC-S;

Step 610, MSC-S connect calling terminal and terminal called, enter conversation and detect network state.

Under the ATM bearing mode, this specifies the ATM method of loading information between called MGW and called RNC can travel through the all-calls bearer path that IP carries between RNC and MGW, and it is more comprehensive, more targeted that call bearer is detected.

As shown in Figure 7, be the embodiment of the invention seven call bearer detection method signaling process figure, be the carrying of the ATM between intra-office MGW, concrete steps are:

The sign that step 701, MSC-S specify caller MGW;

Step 702, MSC-S are initiated to the calling of calling terminal according to the sign of specifying caller MGW, connect also to keep connecting calling terminal;

The ATM bearer path information that step 703, MSC-S specify calling/called MGW comprises: specify the sign of called MGW, and specify virtual path sign and the Virtual Channel sign of called MGW, perhaps virtual path sign, Virtual Channel sign and gap marker;

Specified the ATM bearer path information of calling/called MGW in the above-mentioned information, must comprise virtual path sign and Virtual Channel sign in this ATM bearer path information, gap marker belongs to optional information, and is if do not import, optional by called MGW;

Step 704, MSC-S are initiated to the calling of terminal called;

Step 705, MSC-S send caller ADD message, are specifying caller MGW to set up middle carrying end;

Step 706, caller MGW return caller ADD Reply to MSC-S, carry the atm address of caller MGW among the caller ADD Reply;

Step 707, appointment caller MGW set up according to the caller ADD message that receives and specify the ATM between called MGW to carry;

Step 708, MSC-S send called ADD message, specifying called MGW to set up middle carrying end, comprise in the called ADD message: specify the atm address of caller MGW, and specify virtual path sign and the Virtual Channel sign of called MGW, perhaps virtual path sign, Virtual Channel sign and gap marker;

If do not comprise gap marker in the ATM bearer path information in the step 703, then do not comprise this gap marker in this called ADD message yet; If comprise gap marker in the ATM bearer path information in the step 603, then also comprise this gap marker in this called ADD message;

Step 709, the called MGW of appointment return called ADD Reply to MSC-S;

Step 710, the called MGW of appointment set up according to the called ADD message that receives and specify the ATM between caller MGW to carry;

Step 711, MSC-S connect calling terminal and terminal called, enter conversation and detect network state.

Under the ATM bearing mode, this specifies the ATM method of loading information between calling/called MGW can travel through the all-calls bearer path that ATM carries between caller MGW and called MGW, and it is more comprehensive, more targeted that call bearer is detected.

As shown in Figure 8, be the embodiment of the invention eight call bearer detection method signaling process figure, be the carrying of the ATM between interoffice MGW, concrete steps are:

Step 801, local exchange MSC-S are initiated to the calling of calling terminal, connect and maintenance connection calling terminal;

The ATM bearer path information that step 802, local exchange MSC-S specify interoffice MGW, comprise: the sign of the out MGW of the appointment local exchange of calling terminal, the play a game sign of Incoming MGW of the appointment of terminal called, and the virtual path sign and the Virtual Channel sign of specifying the Incoming MGW that plays a game, perhaps virtual path sign, Virtual Channel sign and gap marker;

Specified the ATM bearer path information of interoffice MGW in the above-mentioned information,, must comprise virtual path sign and Virtual Channel sign in this ATM bearer path information, gap marker belongs to optional information, and is if do not import, optional by the Incoming MGW that plays a game;

Step 803, local exchange MSC-S are initiated to the outbound call of terminal called;

Step 804, local exchange MSC-S send local exchange ADD message, are specifying the out MGW of local exchange to set up out end points;

Step 805, the out MGW of local exchange return local exchange ADD Reply to local exchange MSC-S, carry the atm address of the out MGW of local exchange among the local exchange ADD Reply;

Step 806, the out MGW of appointment local exchange set up according to the local exchange ADD message that receives and specify the ATM that plays a game between Incoming MGW to carry;

IAM between step 807, local exchange Mobile Switching Center Server forwarding office comprises: specify the atm address of the out MGW of local exchange, and specify virtual path sign and the Virtual Channel sign of the Incoming MGW that plays a game, perhaps virtual path sign, Virtual Channel sign and gap marker;

Step 808, the MSC-S that plays a game are initiated to the calling of terminal called;

Step 809, the MSC-S that plays a game receive IAM, the transmission ADD message of playing a game, set up out end points at the appointment Incoming MGW that plays a game, comprise in the ADD message of playing a game: the atm address of specifying the out MGW of local exchange, and the virtual path sign and the Virtual Channel sign of specifying the Incoming MGW that plays a game, perhaps virtual path sign, Virtual Channel sign and gap marker;

If do not comprise gap marker in the ATM bearer path information of interoffice MGW in the step 802, then do not comprise this gap marker in this called ADD message yet; If comprise gap marker in the ATM bearer path information of interoffice MGW in the step 702, then also comprise this gap marker in this called ADD message;

Step 810, specify the Incoming MGW that plays a game to return the ADD message of playing a game to the MSC-S that plays a game;

Step 811, specify the Incoming MGW that plays a game to set up with specifying the ATM between the out media gateway of local exchange to carry according to the ADD message of playing a game that receives;

Step 812, local exchange MSC-S and the MSC-S that plays a game connect calling terminal and terminal called, enter conversation and detect network state.

Under the ATM bearing mode, the ATM method of loading information of playing a game between Incoming MGW of out MGW of the local exchange of this appointment calling terminal and terminal called can travel through the out MGW of local exchange and the all-calls bearer path that ATM carries between Incoming MGW of playing a game, it is more comprehensive, more targeted that call bearer is detected.

The method that above-mentioned call bearer detects is the all-calls bearer path in can traverses network, and its appointment to bearer path is mainly finished by Mobile Switching Center Server.This MSC-S comprises: designated bearing routing information module is used to specify bearer path information; First sets up the detection of call module, is used for setting up detection of call according to the designated bearing routing information.

Second kind of assigned ip/ATM bearer path information is carried out the mode that call bearer detects: initiate detection of call by calling terminal, and according to different bearing mode designated bearing routing informations, as shown in Figure 9, be the embodiment of the invention nine call bearer detection method flow charts, concrete steps are:

Step 901, calling terminal are initiated detection of call;

Step 902, according to different bearing modes, initiating at calling terminal increases called party information, the designated bearing routing information behind the called number of detection of call;

It is 6 kinds that different bearing modes is divided into, and illustrates in the above embodiment of the present invention, and the specified bearer path information of calling terminal is different in every kind of bearing mode, and the detection of call of foundation also is different.

Step 903, MSC-S analyze called party information, obtain bearer path information;

Step 904, set up detection of call according to the bearer path information of appointment.

Increase the called party information difference behind the called number of calling terminal initiation detection of call, then the bearer path information of appointment is just different, the flow process of setting up bearing call in network is just different, every kind of method of setting up bearing call all is in order to realize by all-calls bearer path in the designated bearing routing information traverses network, thereby it is more targeted, more comprehensive that call bearer is detected.

Shown in Figure 10 A, be the embodiment of the invention ten call bearer detection method signaling process figure, be the carrying of the IP between RNC/BSC and MGW, concrete steps are:

Step 1001a, calling terminal are initiated detection of call;

Step 1002a, input called party information, comprise: the IP bearer path information of called terminal number, called MGW, this IP bearer path information comprises: the sign of specifying MGW, and the IP address information and the IP domain information of specifying called MGW, perhaps IP address information, IP domain information and IP port number information;

Only specify the IP bearer path information of called MGW in the above-mentioned information, do not specified the IP bearer path information of called RNC/BSC; Must comprise IP address information and IP domain information in the IP bearer path information of specifying called MGW, the IP port number information belongs to optional information, if do not import, by specifying called MGW optional;

The called party information of being with behind step 1003a, the MSC-S analysis called terminal number, the IP bearer path information of determining to specify called MGW;

Step 1004a, MSC-S are initiated to the calling of terminal called;

Step 1005a, MSC-S send called ADD message, specifying called MGW to set up the callee side end points, comprise in the called ADD message: specify IP address information and the IP domain information of called MGW, perhaps IP address information, IP domain information and IP port number information;

Step 1006a, the called MGW of appointment return called ADD Reply to MSC-S;

Step 1007a, the called MGW of appointment set up according to the called ADD message that receives and specify the IP between called RNC/BSC to carry;

Step 1008a, MSC-S issue Assignment Request;

Step 1009a, the called RNC/BSC of appointment set up according to the optional IP bearer path information of the Assignment Request that receives and specify the IP between called MGW to carry;

Because the IP bearer path information of not specifying called RNC/BSC in step 902a, so called herein RNC/BSC will and specify the IP between called MGW to carry according to the optional IP bearer path information foundation of the Assignment Request that receives;

Step 1010a, the called RNC/BSC of appointment return called Assignment Complete to MSC-S;

Step 1011a, MSC-S connect calling terminal and terminal called, enter conversation and detect network state.

Shown in Figure 10 B, be the embodiment of the invention ten another signaling process of call bearer detection method figure, also be the IP carrying between RNC/BSC and MGW, concrete steps are:

Step 1001b, calling terminal are initiated detection of call;

Step 1002b, input called party information, comprise: the IP bearer path information of called terminal number, called MGW and called RNC/BSC, this IP bearer path information comprises: the sign of specifying called MGW, and the IP address information and the IP domain information of specifying called MGW, perhaps IP address information, IP domain information and IP port number information; Specify IP address information and the IP domain information of called RNC/BSC, perhaps IP address information, IP domain information and IP port number information;

The called party information of being with behind step 1003b, the MSC-S analysis called terminal number, the IP bearer path information of determining to specify called MGW and called RNC/BSC.

Step 1004b, MSC-S are initiated to the calling of terminal called;

Step 1005b, MSC-S send called ADD message, specifying called MGW to set up the callee side end points, comprise in the called ADD message: specify IP address information and the IP domain information of called MGW, perhaps IP address information, IP domain information and IP port number information;

Step 1006b, the called MGW of appointment return called ADD Reply to MSC-S;

Step 1007b, the called MGW of appointment set up according to the called ADD message that receives and specify the IP between called RNC/BSC to carry;

Step 1008b, MSC-S issue Assignment Request, comprise among the Assignment Request: specify IP address information and the IP domain information of called RNC/BSC, perhaps IP address information, IP domain information and IP port number information;

Step 1009b, the called RNC/BSC of appointment set up according to the Assignment Request that receives and specify the IP between called MGW to carry;

Step 1010b, the called RNC/BSC of appointment return called Assignment Complete to MSC-S;

Step 1011b, MSC-S connect calling terminal and terminal called, enter conversation and detect network state.

Shown in Figure 10 C, be the another signaling process figure of the embodiment of the invention ten call bearer detection methods, also be the IP carrying between RNC/BSC and MGW, concrete steps are:

Step 1001c, on MSC-S the configuration called MGW IP bearer path information, and set up index, this IP bearer path information comprises: specify the sign of called MGW, and specify IP address information and the IP domain information of called MGW, perhaps IP address information, IP domain information and IP port number information;

Only specify the IP bearer path information of called MGW in this information, do not specified the IP bearer path information of called RNC/BSC; Must comprise IP address information and IP domain information in the IP bearer path information of specifying called MGW, the IP port number information belongs to optional information, if do not import, by specifying called MGW optional;

Step 1002c, calling terminal are initiated detection of call;

Step 1003c, input called party information comprise: the IP bearer path information index of called terminal number, called media gateway;

This method and embodiment ten preceding two kinds of method differences are, by the IP bearer path information that MSC-S disposes called MGW, have set up an index, when calling terminal is imported called party information again, directly the input index gets final product, and the amount of information of calling terminal input tails off, and is simple to operate; Subsequent operation 1004c～the 1012c of this method is with present embodiment step 1003a～1011a.

Shown in Figure 10 D, be the embodiment of the invention ten a call bearer detection methods signaling process figure again, be similarly the IP carrying between RNC/BSC and MGW, concrete steps are:

Step 1001d, on MSC-S the IP bearer path information of configuration called MGW and called RNC/BSC, and set up index, this IP bearer path information comprises: the sign of specifying called MGW, and the IP address information and the IP domain information of specifying called MGW, perhaps IP address information, IP domain information and IP port number information; Specify IP address information and the IP domain information of called RNC/BSC, perhaps IP address information, IP domain information and IP port number information;

Both specify the IP bearer path information of called MGW in this information, also specified the IP bearer path information of called RNC/BSC; Must comprise IP address information and IP domain information in the IP of called MGW and called RNC/BSC bearer path information, the IP port number information belongs to optional information, and is if do not import, optional by called MGW and called RNC/BSC;

Step 1002d, calling terminal are initiated detection of call;

Step 1003d, input called party information comprise: the IP bearer path information index of called terminal number, called MGW and called RNC/BSC;

This method and embodiment ten preceding two kinds of method differences are, by the IP bearer path information that MSC-S disposes called MGW, have set up an index, when calling terminal is imported called party information again, directly the input index gets final product, and the amount of information of calling terminal input tails off, and is simple to operate; Subsequent operation 1004d～the 1012d of this method is with present embodiment step 1003b～1011b.

Shown in Figure 11 A, be the embodiment of the invention 11 call bearer detection method signaling process figure, be the carrying of the IP between intra-office MGW, concrete steps are:

Step 1101, calling terminal are initiated detection of call;

Step 1102, input called party information, comprise: the IP bearer path information of called terminal number, the sign of caller MGW, calling/called MGW, this IP bearer path information comprises: the IP address information and the IP domain information of specifying caller MGW, perhaps IP address information, IP domain information and IP port number information, specify the sign of called MGW, and the IP address information and the IP domain information of specifying called MGW, perhaps IP address information, IP domain information and IP port number information;

Specified the IP bearer path information of calling/called MGW in this information respectively, must comprise IP address information and IP domain information in the IP of calling/called MGW bearer path information, the IP port number information belongs to optional information, and is if do not import, optional by calling/called MGW;

The called party information of being with behind step 1103, the MSC-S analysis called terminal number determines to specify the sign of caller MGW and the IP bearer path information of specifying calling/called MGW;

Step 1104, MSC-S are initiated to the calling of terminal called;

Step 1105, MSC-S send caller ADD message, specifying caller MGW to set up middle carrying end, comprise in the caller ADD message: specify IP address information and the IP domain information of caller MGW, perhaps IP address information, IP domain information and IP port number information;

Step 1106, appointment caller MGW return caller ADD Reply to MSC-S;

Step 1107, appointment caller MGW set up according to the caller ADD message that receives and specify the IP between called MGW to carry;

Step 1108, MSC-S send called ADD message, specifying called MGW to set up middle carrying end, comprise in the called ADD message: specify IP address information and the IP domain information of called MGW, perhaps IP address information, IP domain information and IP port number information;

Step 1109, the called MGW of appointment return called ADD Reply to MSC-S;

Step 1110, the called MGW of appointment set up according to the called ADD message that receives and specify the IP between caller MGW to carry;

Step 1111, MSC-S connect calling terminal and terminal called, enter conversation and detect network state.

Shown in Figure 11 B, be the embodiment of the invention 11 another signaling process of call bearer detection method figure, be the carrying of the IP between intra-office MGW, concrete steps are:

Step 1101 ', on MSC-S the configuration calling/called MGW IP bearer path information, and set up index, this IP bearer path information comprises: the IP address information and the IP domain information of specifying caller MGW, perhaps IP address information, IP domain information and IP port number information, specify the sign of called MGW, and the IP address information and the IP domain information of specifying called MGW, perhaps IP address information, IP domain information and IP port number information;

Step 1102 ', calling terminal initiates detection of call;

Step 1103 ', the input called party information, comprising: the IP bearer path information index of called terminal number, the sign of caller MGW, calling/called MGW;

The method difference of this method and embodiment 11 is, by the IP bearer path information that MSC-S disposes calling/called MGW, has set up an index, when calling terminal is imported called party information again, directly the input index gets final product, and the amount of information of calling terminal input tails off, and is simple to operate; Subsequent operation 1104 '～1112 of this method ' with present embodiment step 1103～1111.

Shown in Figure 12 A, be the embodiment of the invention 12 call bearer detection method signaling process figure, be the carrying of the IP between interoffice MGW, concrete steps are:

Step 1201, calling terminal are initiated detection of call;

Step 1202, input called party information, comprise: the IP bearer path information of called terminal number, interoffice MGW, this IP bearer path information comprises: the sign of the out MGW of the appointment local exchange of calling terminal, and the IP address information and the IP domain information of specifying the out MGW of local exchange, perhaps IP address information, IP domain information and IP port number information; The appointment of terminal called the play a game sign of Incoming MGW and the IP address information and the IP domain information of specifying the Incoming MGW that plays a game, perhaps IP address information, IP domain information and IP port number information;

Specified the IP bearer path information of the Incoming MGW that plays a game of the out MGW of local exchange of calling terminal and terminal called in this information respectively, in the IP bearer path information of the Incoming MGW that plays a game of out MGW of the local exchange of calling terminal and terminal called, must comprise IP address information and IP domain information, the IP port number information belongs to optional information, if it is do not import, optional by the Incoming MGW that plays a game of out MGW of the local exchange of calling terminal and terminal called;

The called party information of being with behind step 1203, the local exchange MSC-S analysis called terminal number, definite IP bearer path information of specifying the interoffice media gateway;

Step 1204, local exchange MSC-S are initiated to the outbound call of terminal called;

Step 1205, local exchange MSC-S send local exchange ADD message, specifying the out MGW of local exchange to set up out end points, comprise in the local exchange ADD message: specify IP address information and the IP domain information of the out MGW of local exchange, perhaps IP address information, IP domain information and IP port number information;

Step 1206, the out MGW of appointment local exchange return local exchange ADD Reply to MSC-S;

Step 1207, the out MGW of described appointment local exchange set up and specify the IP carrying of playing a game between Incoming MGW according to the local exchange ADD message that receives;

Initialization address message (Initial AddressMessage between step 1208, local exchange MSC-S forwarding office, hereinafter to be referred as: IAM), comprise: the sign of specifying the Incoming MGW that plays a game, and the IP address information and the IP domain information of specifying the Incoming MGW that plays a game, perhaps IP address information, IP domain information and IP port number information;

Step 1209, the MSC-S that plays a game are initiated to the calling of terminal called;

Step 1210, the MSC-S that plays a game receive IAM, the transmission ADD message of playing a game, set up out end points at the appointment Incoming MGW that plays a game, comprise in the ADD message of playing a game: specify IP address information and the IP domain information of the Incoming MGW that plays a game, perhaps IP address information, IP domain information and IP port number information;

Step 1211, specify the Incoming MGW that plays a game to return the ADD Reply that plays a game to the MSC-S that plays a game;

Step 1212, specify the Incoming MGW that plays a game to set up with specifying the IP between the out MGW of local exchange to carry according to the ADD message of playing a game that receives;

Step 1213, local exchange MSC-S and the MSC-S that plays a game connect calling terminal and terminal called, enter conversation and detect network state.

Shown in Figure 12 B, be the embodiment of the invention 12 another signaling process of call bearer detection method figure, be the carrying of the IP between interoffice MGW, concrete steps are:

Step 1201 ', on local exchange MSC-S the IP bearer path information of configuration interoffice MGW, and set up index, this IP bearer path information comprises: the sign of the out MGW of the appointment local exchange of calling terminal, and the IP address information and the IP domain information of specifying the out MGW of local exchange, perhaps IP address information, IP domain information and IP port number information; The appointment of terminal called the play a game sign of Incoming MGW and the IP address information and the IP domain information of specifying the Incoming MGW that plays a game, perhaps IP address information, IP domain information and IP port number information;

Step 1202 ', calling terminal initiates detection of call;

Step 1203 ', the input called party information, comprising: the IP bearer path information index of called terminal number, interoffice MGW;

This method and embodiment 12 preceding method differences are, by the IP bearer path information of MSC-S configuration interoffice MGW, have set up an index, when calling terminal is imported called party information again, directly the input index gets final product, and the amount of information of calling terminal input tails off, and is simple to operate; Subsequent operation 1204 '～1214 of this method ' with present embodiment step 1203～1213.

As shown in FIG. 13A, be the embodiment of the invention 13 call bearer detection method signaling process figure, be the carrying of the ATM between RNC and MGW, concrete steps are:

Step 1301, calling terminal are initiated detection of call;

Step 1302, input called party information, comprise: the ATM bearer path information of called terminal number, called MGW and called RNC, this ATM bearer path information comprises: the sign of specifying called MGW, and the virtual path sign and the Virtual Channel sign of specifying called RNC, perhaps virtual path sign, Virtual Channel sign and gap marker;

The called party information of being with behind step 1303, the MSC-S analysis called terminal number, the ATM bearer path information of determining to specify called MGW and called RNC;

Step 1304, MSC-S are initiated to the calling of terminal called;

Step 1305, MSSC-S send called ADD message, are specifying called MGW to set up the callee side end points;

Step 1306, called MGW return called ADD Reply to MSC-S, carry the atm address of called MGW among the called ADD Reply;

Step 1307, the called MGW of appointment set up according to the called ADD message that receives and specify the ATM between called RNC to carry;

Step 1308, MSC-S issue Assignment Request, comprise among the Assignment Request: the atm address of specifying called MGW, and the virtual path sign and the Virtual Channel sign of specifying called RNC, perhaps virtual path sign, Virtual Channel sign and gap marker;

If do not comprise gap marker in the ATM bearer path information in the step 1302, then do not comprise this gap marker among this AssignmentRequest yet; If comprise gap marker in the ATM bearer path information in the step 1302, then also comprise this gap marker among this Assignment Request;

Step 1309, the called RNC of appointment set up according to the Assignment Request that receives and specify the ATM between called MGW to carry;

Step 1310, the called RNC of appointment return called Assignment Complete to MSC-S;

Step 1311, MSC-S connect calling terminal and terminal called, enter conversation and detect network state.

Shown in Figure 13 B, be the embodiment of the invention 13 another signaling process of call bearer detection method figure, also be the IP carrying between RNC and MGW, concrete steps are:

Step 1301 ', on MSC-S the ATM bearer path information of configuration called MGW and called RNC, and set up index, this ATM bearer path information comprises: the sign of specifying called MGW, and the virtual path sign and the Virtual Channel sign of specifying called RNC, perhaps virtual path sign, Virtual Channel sign and gap marker;

Step 1302 ', calling terminal initiates detection of call;

Step 1303 ', the input called party information, comprising: the ATM bearer path information index of called terminal number, called MGW and called RNC;

This method and embodiment 13 preceding method differences are, by the ATM bearer path information that MSC-S disposes called MGW and called RNC, have set up an index, when calling terminal is imported called party information again, directly the input index gets final product, and the amount of information of calling terminal input tails off, and is simple to operate; Subsequent operation 1304 '～1312 of this method ' with present embodiment step 1303～1311.

Shown in Figure 14 A, for the embodiment of the invention ten four classes of syllables in carrying detection method signaling process figure, be the carrying of the ATM between intra-office MGW, concrete steps are:

Step 1401, calling terminal are initiated detection of call;

Step 1402, input called party information, comprise: the ATM bearer path information of called terminal number, the sign of caller MGW, calling/called MGW, this ATM bearer path information comprises: the sign of specifying called MGW, and the virtual path sign and the Virtual Channel sign of specifying called MGW, perhaps virtual path sign, Virtual Channel sign and gap marker;

The called party information of being with behind step 1403, the MSC-S analysis called terminal number determines to specify the sign of caller MGW and the ATM bearer path information of calling/called media gateway;

Step 1404, MSC-S are initiated to the calling of terminal called;

Step 1405, MSC-S send caller ADD message, are specifying caller MGW to set up middle carrying end;

Step 1406, caller MGW return caller ADD Reply to MSC-S, carry the atm address of caller MGW among the caller ADD Reply;

Step 1407, appointment caller MGW set up according to the caller ADD message that receives and specify the ATM between called MGW to carry;

Step 1408, MSC-S send called ADD message, specifying called MGW to set up middle carrying end, comprise in the called ADD message: specify the atm address of caller MGW, and specify virtual path sign and the Virtual Channel sign of called MGW, perhaps virtual path sign, Virtual Channel sign and gap marker;

If do not comprise gap marker in the ATM bearer path information in the step 1402, then do not comprise this gap marker in this called ADD message yet; If comprise gap marker in the ATM bearer path information in the step 1402, then also comprise this gap marker in this called ADD message;

Step 1409, the called MGW of appointment return called ADD Reply to MSC-S;

Step 1410, the called MGW of appointment set up according to the called ADD message that receives and specify the ATM between caller MGW to carry;

Step 1411, MSC-S connect calling terminal and terminal called, enter conversation and detect network state.

As shown in Figure 14B, for the embodiment of the invention ten four classes of syllables in carrying detection method another signaling process figure, also be that the ATM between intra-office MGW carries, concrete steps are:

Step 1401 ', on MSC-S the configuration calling/called MGW ATM bearer path information, and set up index, this ATM bearer path information comprises: the sign of specifying called MGW, and the virtual path sign and the Virtual Channel sign of specifying called MGW, perhaps virtual path sign, Virtual Channel sign and gap marker;

Step 1402 ', calling terminal initiates detection of call;

Step 1403 ', the input called party information, comprising: the ATM bearer path information index of called terminal number, the sign of caller MGW, calling/called MGW.

This method and embodiment 14 preceding method differences are, by the ATM bearer path information that MSC-S disposes calling/called MGW, have set up an index, when calling terminal is imported called party information again, directly the input index gets final product, and the amount of information of calling terminal input tails off, and is simple to operate; Subsequent operation 1404 '～1412 of this method ' with present embodiment step 1403～1411.

Shown in Figure 15 A, be the embodiment of the invention 15 call bearer detection method signaling process figure, be the carrying of the ATM between interoffice MGW, concrete steps are:

Step 1501, calling terminal are initiated detection of call;

Step 1502, input called party information, comprise: the ATM bearer path information of called terminal number, interoffice MGW, described ATM bearer path information comprises: the sign of the out MGW of the appointment local exchange of calling terminal, the play a game sign of Incoming MGW of the appointment of terminal called, and the virtual path sign and the Virtual Channel sign of specifying the Incoming MGW that plays a game, perhaps virtual path sign, Virtual Channel sign and gap marker;

Specified the ATM bearer path information of interoffice MGW in this information,, must comprise virtual path sign and Virtual Channel sign in this ATM bearer path information, gap marker belongs to optional information, and is if do not import, optional by the Incoming MGW that plays a game;

The called party information of being with behind step 1503, the local exchange MSC-S analysis called terminal number, the ATM bearer path information of determining to specify interoffice MGW;

Step 1504, local exchange MSC-S are initiated to the outbound call of terminal called;

Step 1505, local exchange MSC-S send local exchange ADD message, are specifying the out MGW of local exchange to set up out end points;

Step 1506, the out MGW of local exchange return local exchange ADD Reply to local exchange MSC-S, carry the atm address of the out MGW of local exchange among the local exchange ADDReply;

Step 1507, the out MGW of appointment local exchange set up according to the local exchange ADD message that receives and specify the ATM that plays a game between Incoming MGW to carry;

IAM between step 1508, local exchange Mobile Switching Center Server forwarding office comprises: specify the atm address of the out MGW of local exchange, and specify virtual path sign and the Virtual Channel sign of the Incoming MGW that plays a game, perhaps virtual path sign, Virtual Channel sign and gap marker;

Step 1509, the MSC-S that plays a game are initiated to the calling of terminal called;

Step 1510, the MSC-S that plays a game receive IAM, the transmission ADD message of playing a game, set up out end points at the appointment Incoming MGW that plays a game, comprise in the ADD message of playing a game: the atm address of specifying the out MGW of local exchange, and the virtual path sign and the Virtual Channel sign of specifying the Incoming MGW that plays a game, perhaps virtual path sign, Virtual Channel sign and gap marker;

If do not comprise gap marker in the ATM bearer path information of interoffice MGW in the step 1502, then do not comprise this gap marker in this called ADD message yet; If comprise gap marker in the ATM bearer path information of interoffice MGW in the step 1502, then also comprise this gap marker in this called ADD message;

Step 1511, specify the Incoming MGW that plays a game to return the ADD message of playing a game to the MSC-S that plays a game;

Step 1512, specify the Incoming MGW that plays a game to set up with specifying the ATM between the out media gateway of local exchange to carry according to the ADD message of playing a game that receives;

Step 1513, local exchange MSC-S and the MSC-S that plays a game connect calling terminal and terminal called, enter conversation and detect network state.

Shown in Figure 15 B, be the embodiment of the invention 15 another signaling process of call bearer detection method figure, also be the ATM carrying between interoffice MGW, concrete steps are:

Step 1501 ', on local exchange MSC-S the ATM bearer path information of configuration interoffice MGW, and set up index, described ATM bearer path information comprises: the sign of the out MGW of the appointment local exchange of calling terminal, the play a game sign of Incoming MGW of the appointment of terminal called, and the virtual path sign and the Virtual Channel sign of specifying the Incoming MGW that plays a game, perhaps virtual path sign, Virtual Channel sign and gap marker;

Step 1502 ', calling terminal initiates detection of call;

Step 1503 ', the input called party information, comprising: the ATM bearer path information index of called terminal number, interoffice MGW;

This method and embodiment 15 preceding method differences are, by the ATM bearer path information of MSC-S configuration interoffice MGW, have set up an index, when calling terminal is imported called party information again, directly the input index gets final product, and the amount of information of calling terminal input tails off, and is simple to operate; Subsequent operation 1504 '～1514 of this method ' with present embodiment step 1503～1513.

The foregoing description has been introduced increases the call bearer detection method that called party information is come the designated bearing routing information behind the called number that calling terminal makes a call, the method that the third assigned ip/ATM bearer path information is carried out the call bearer detection is: be initiated to the calling of calling terminal by Mobile Switching Center Server, and according to different bearing mode designated bearing routing informations, as shown in figure 16, be the embodiment of the invention 16 call bearer detection method flow charts, concrete steps are:

Step 1601, MSC-S are initiated to the calling of calling terminal, connect and maintenance connection calling terminal;

Step 1602, according to different bearing modes, (Dual ToneMulti Frequency is hereinafter to be referred as DTMF) information, designated bearing routing information to send dual-tone multifrequency by calling terminal;

Step 1603, MSC-S analyze DTMF information, obtain bearer path information;

Step 1604, set up detection of call according to the bearer path information of appointment.

The DTMF information difference that calling terminal sends, then the bearer path information of appointment is just different, the flow process of setting up bearing call in network is just different, every kind of method of setting up bearing call all is in order to realize by all-calls bearer path in the designated bearing routing information traverses network, thereby it is more targeted, more comprehensive that call bearer is detected.

Shown in Figure 17 A, be the embodiment of the invention 17 call bearer detection method signaling process figure, be the carrying of the IP between RNC/BSC and MGW, concrete steps are:

Step 1701, MSC-S are initiated to the calling of calling terminal, connect and maintenance connection calling terminal;

Step 1702, calling terminal send DTMF information designated bearing routing information, bearer path information is the IP bearer path information of called MGW, comprise: the sign of specifying MGW, and the IP address information and the IP domain information of specifying called MGW, perhaps IP address information, IP domain information and IP port number information;

Step 1703, MSC-S analyze, extract the bearer path information that comprises in the DTMF information, the IP bearer path information that described bearer path information is called MGW;

Step 1704, MSC-S are initiated to the calling of terminal called;

Step 1705, MSC-S send called ADD message, specifying called MGW to set up the callee side end points, comprise in the called ADD message: specify IP address information and the IP domain information of called MGW, perhaps IP address information, IP domain information and IP port number information;

Step 1706, the called MGW of appointment return called ADD Reply to MSC-S;

Step 1707, the called MGW of appointment set up according to the called ADD message that receives and specify the IP between called RNC/BSC to carry;

Step 1708, MSC-S issue Assignment Request;

Step 1709, the called RNC/BSC of appointment set up according to the optional IP bearer path information of the Assignment Request that receives and specify the IP between called MGW to carry;

Because the IP bearer path information of not specifying called RNC/BSC in step 1702, so called herein RNC/BSC will and specify the IP between called MGW to carry according to the optional IP bearer path information foundation of the Assignment Request that receives;

Step 1710, the called RNC/BSC of appointment return called Assignment Complete to MSC-S;

Step 1711, MSC-S connect calling terminal and terminal called, enter conversation and detect network state.

Shown in Figure 17 B, be the embodiment of the invention 17 another signaling processes of call bearer detection method, also be the IP carrying between RNC/BSC and MGW, concrete steps are:

Step 1701 ', MSC-S is initiated to the calling of calling terminal, connect also to keep connecting calling terminal;

Step 1702 ', calling terminal sends DTMF information designated bearing routing information, bearer path information is the IP bearer path information of called MGW and called RNC/BSC, comprise: the sign of specifying called media gateway, and the IP address information and the IP domain information of the called media gateway of appointment, perhaps IP address information, IP domain information and IP port number information; Specify the IP address information and the IP domain information of called radio network controller/base station controller, perhaps IP address information, IP domain information and IP port number information;

Step 1703 ', MSC-S analyzes, extracts the bearer path information that comprises in the DTMF information, the IP bearer path information that described bearer path information is called MGW and called RNC/BSC;

Step 1704 ', MSC-S is initiated to the calling of terminal called;

Step 1705 ', MSC-S sends called ADD message, specifying called MGW to set up the callee side end points, comprise in the called ADD message: specify IP address information and the IP domain information of called MGW, perhaps IP address information, IP domain information and IP port number information;

Step 1706 ', specify called MGW to return called ADD Reply to MSC-S;

Step 1707 ', specify called MGW to set up with specifying the IP between called RNC/BSC to carry according to the called ADD message that receives;

Step 1708 ', MSC-S issues Assignment Request, comprise among the Assignment Request: specify IP address information and the IP domain information of called RNC/BSC, perhaps IP address information, IP domain information and IP port number information;

Step 1709 ', specify called RNC/BSC to set up with specifying the IP between called MGW to carry according to the Assignment Request that receives;

Step 1710 ', specify called RNC/BSC to return called Assignment Complete to MSC-S;

Step 1711 ', MSC-S connects calling terminal and terminal called, entering conversation and detecting network state.

As shown in figure 18, be the embodiment of the invention 18 call bearer detection method signaling process figure, be the carrying of the IP between intra-office MGW, concrete steps are:

The sign that step 1801, MSC-S specify caller MGW;

Step 1802, MSC-S are initiated to the calling of calling terminal according to the sign of specifying caller MGW, connect also to keep connecting calling terminal;

Step 1803, calling terminal send DTMF information designated bearing routing information, bearer path information is the IP bearer path information of calling/called MGW, comprise: the IP address information and the IP domain information of specifying caller MGW, perhaps IP address information, IP domain information and IP port number information, specify the sign of called MGW, and the IP address information and the IP domain information of specifying called MGW, perhaps IP address information, IP domain information and IP port number information;

Step 1804, MSC-S analyze, extract the bearer path information that comprises in the DTMF information, and bearer path information is the IP bearer path information of calling/called MGW;

Step 1805, MSC-S are initiated to the calling of terminal called;

Step 1806, MSC-S send caller ADD message, specifying caller MGW to set up middle carrying end, comprise in the caller ADD message: specify IP address information and the IP domain information of caller MGW, perhaps IP address information, IP domain information and IP port number information;

Step 1807, appointment caller MGW return caller ADD Reply to MSC-S;

Step 1808, appointment caller MGW set up according to the caller ADD message that receives and specify the IP between called MGW to carry;

Step 1809, MSC-S send called ADD message, specifying called MGW to set up middle carrying end, comprise in the called ADD message: specify IP address information and the IP domain information of called MGW, perhaps IP address information, IP domain information and IP port number information;

Step 1810, the called MGW of appointment return called ADD Reply to MSC-S;

Step 1811, the called MGW of appointment set up according to the called ADD message that receives and specify the IP between caller MGW to carry;

Step 1812, MSC-S connect calling terminal and terminal called, enter conversation and detect network state.

As shown in figure 19, be the embodiment of the invention 19 call bearer detection method signaling process figure, be the carrying of the IP between interoffice MGW, concrete steps are:

Step 1901, local exchange MSC-S are initiated to the calling of calling terminal, connect and maintenance connection calling terminal;

Step 1902, calling terminal send DTMF information designated bearing routing information, bearer path information is the IP bearer path information of interoffice MGW, comprise: the sign of the out MGW of the appointment local exchange of calling terminal, and the IP address information and the IP domain information of specifying the out MGW of local exchange, perhaps IP address information, IP domain information and IP port number information; The appointment of terminal called the play a game sign of Incoming MGW and the IP address information and the IP domain information of specifying the Incoming MGW that plays a game, perhaps IP address information, IP domain information and IP port number information;

Step 1903, local exchange MSC-S analyze, extract the bearer path information that comprises in the dual-tone multifrequency information, and bearer path information is the IP bearer path information of interoffice MGW;

Step 1904, local exchange MSC-S are initiated to the outbound call of terminal called;

Step 1905, local exchange MSC-S send local exchange ADD message, specifying the out MGW of local exchange to set up out end points, comprise in the local exchange ADD message: specify IP address information and the IP domain information of the out MGW of local exchange, perhaps IP address information, IP domain information and IP port number information;

Step 1906, the out MGW of appointment local exchange return local exchange ADD Reply to MSC-S;

Step 1907, the out MGW of appointment local exchange set up according to the local exchange ADD message that receives and specify the IP that plays a game between Incoming MGW to carry;

IAM between step 1908, local exchange MSC-S forwarding office comprises: specify the sign of the Incoming MGW that plays a game, and specify IP address information and the IP domain information of the Incoming MGW that plays a game, perhaps IP address information, IP domain information and IP port number information;

Step 1909, the MSC-S that plays a game are initiated to the calling of terminal called;

Step 1910, the MSC-S that plays a game receive IAM, the transmission ADD message of playing a game, set up out end points at the appointment Incoming MGW that plays a game, comprise in the ADD message of playing a game: specify IP address information and the IP domain information of the Incoming MGW that plays a game, perhaps IP address information, IP domain information and IP port number information;

Step 1911, specify the Incoming MGW that plays a game to return the ADD Reply that plays a game to the MSC-S that plays a game;

Step 1912, specify the Incoming MGW that plays a game to set up with specifying the IP between the out MGW of local exchange to carry according to the ADD message of playing a game that receives;

Step 1913, local exchange MSC-S and the MSC-S that plays a game connect calling terminal and terminal called, enter conversation and detect network state.

As shown in figure 20, be the embodiment of the invention 20 call bearer detection method signaling process figure, be the carrying of the ATM between RNC and MGW, concrete steps are:

Step 2001, MSC-S are initiated to the calling of calling terminal, connect and maintenance connection calling terminal;

Step 2002, calling terminal send DTMF information designated bearing routing information, bearer path information is the ATM bearer path information of called MGW and called RNC, comprise: the sign of specifying called MGW, and the virtual path sign and the Virtual Channel sign of specifying called RNC, perhaps virtual path sign, Virtual Channel sign and gap marker;

Step 2003, MSC-S analyze, extract the bearer path information that comprises in the DTMF information, and bearer path information is the ATM bearer path information of called MGW and called RNC;

Step 2004, MSC-S are initiated to the calling of terminal called;

Step 2005, MSC-S send called ADD message, are specifying called MGW to set up the callee side end points;

Step 2006, called MGW return called ADD Reply to MSC-S, carry the atm address of called MGW among the called ADD Reply;

Step 2007, the called MGW of appointment set up according to the called ADD message that receives and specify the ATM between called RNC to carry;

Step 2008, MSC-S issue Assignment Request, comprise among the Assignment Request: the atm address of specifying called MGW, and the virtual path sign and the Virtual Channel sign of specifying called RNC, perhaps virtual path sign, Virtual Channel sign and gap marker;

If do not comprise gap marker in the ATM bearer path information in the step 2002, then do not comprise this gap marker among this AssignmentRequest yet; If comprise gap marker in the ATM bearer path information in the step 2002, then also comprise this gap marker among this Assignment Request;

Step 2009, the called RNC of appointment set up according to the Assignment Request that receives and specify the ATM between called MGW to carry;

Step 2010, the called RNC of appointment return called Assignment Complete to MSC-S;

Step 2011, MSC-S connect calling terminal and terminal called, enter conversation and detect network state.

As shown in figure 21, be the embodiment of the invention 21 call bearer detection method signaling process figure, be the carrying of the ATM between intra-office MGW, concrete steps are:

The sign that step 2101, MSC-S specify caller MGW;

Step 2102, MSC-S are initiated to the calling of calling terminal according to the sign of specifying caller MGW, connect also to keep connecting calling terminal;

Step 2103, calling terminal send DTMF information designated bearing routing information, bearer path information is the ATM bearer path information of calling/called MGW, this ATM bearer path information comprises: the sign of specifying called MGW, and the virtual path sign and the Virtual Channel sign of specifying called MGW, perhaps virtual path sign, Virtual Channel sign and gap marker;

Step 2104, MSC-S analyze, extract the bearer path information that comprises in the dual-tone multifrequency information, and bearer path information is the ATM bearer path information of calling/called media gateway;

Step 2105, MSC-S are initiated to the calling of terminal called;

Step 2106, MSC-S send caller ADD message, are specifying caller MGW to set up middle carrying end;

Step 2107, caller MGW return caller ADD Reply to MSC-S, carry the atm address of caller MGW among the caller ADD Reply;

Step 2108, appointment caller MGW set up according to the caller ADD message that receives and specify the ATM between called MGW to carry;

Step 2109, MSC-S send called ADD message, specifying called MGW to set up middle carrying end, comprise in the called ADD message: specify the atm address of caller MGW, and specify virtual path sign and the Virtual Channel sign of called MGW, perhaps virtual path sign, Virtual Channel sign and gap marker;

If do not comprise gap marker in the ATM bearer path information in the step 2102, then do not comprise this gap marker in this called ADD message yet; If comprise gap marker in the ATM bearer path information in the step 2102, then also comprise this gap marker in this called ADD message;

Step 2110, the called MGW of appointment return called ADD Reply to MSC-S;

Step 2111, the called MGW of appointment set up according to the called ADD message that receives and specify the ATM between caller MGW to carry;

Step 2112, MSC-S connect calling terminal and terminal called, enter conversation and detect network state.

As shown in figure 22, be the embodiment of the invention 22 call bearer detection method signaling process figure, be the carrying of the ATM between interoffice MGW, concrete steps are:

Step 2201, local exchange MSC-S are initiated to the calling of calling terminal, connect and maintenance connection calling terminal;

Step 2202, calling terminal send DTMF information designated bearing routing information, bearer path information is the ATM bearer path information of interoffice MGW, comprise: the sign of the out MGW of the appointment local exchange of calling terminal, the play a game sign of Incoming MGW of the appointment of terminal called, and the virtual path sign and the Virtual Channel sign of specifying the Incoming MGW that plays a game, perhaps virtual path sign, Virtual Channel sign and gap marker;

Step 2203, local exchange MSC-S analyze, extract the bearer path information that comprises in the DTMF information, the ATM bearer path information that described bearer path information is interoffice MGW;

Step 2204, local exchange MSC-S are initiated to the outbound call of terminal called;

Step 2205, local exchange MSC-S send local exchange ADD message, are specifying the out MGW of local exchange to set up out end points;

Step 2206, the out MGW of local exchange return local exchange ADD Reply to local exchange MSC-S, carry the atm address of the out MGW of local exchange among the local exchange ADDReply;

Step 2207, the out MGW of appointment local exchange set up according to the local exchange ADD message that receives and specify the ATM that plays a game between Incoming MGW to carry;

IAM between step 2208, local exchange Mobile Switching Center Server forwarding office comprises: specify the atm address of the out MGW of local exchange, and specify virtual path sign and the Virtual Channel sign of the Incoming MGW that plays a game, perhaps virtual path sign, Virtual Channel sign and gap marker;

Step 2209, the MSC-S that plays a game are initiated to the calling of terminal called;

Step 2210, the MSC-S that plays a game receive IAM, the transmission ADD message of playing a game, set up out end points at the appointment Incoming MGW that plays a game, comprise in the ADD message of playing a game: the atm address of specifying the out MGW of local exchange, and the virtual path sign and the Virtual Channel sign of specifying the Incoming MGW that plays a game, perhaps virtual path sign, Virtual Channel sign and gap marker;

If do not comprise gap marker in the ATM bearer path information of interoffice MGW in the step 2202, then do not comprise this gap marker in this called ADD message yet; If comprise gap marker in the ATM bearer path information of interoffice MGW in the step 2202, then also comprise this gap marker in this called ADD message;

Step 2211, specify the Incoming MGW that plays a game to return the ADD message of playing a game to the MSC-S that plays a game;

Step 2212, specify the Incoming MGW that plays a game to set up with specifying the ATM between the out media gateway of local exchange to carry according to the ADD message of playing a game that receives;

Step 2213, local exchange MSC-S and the MSC-S that plays a game connect calling terminal and terminal called, enter conversation and detect network state.

It is all bearer paths in can traverses network that above-mentioned second kind and the third designated bearing routing information carry out method that call bearer detects, appointment to bearer path is mainly finished by calling terminal, and analyzes the bearer path information that obtains by MSC-S.This Mobile Switching Center Server comprises: analysis module, be used to analyze the bearer path information of calling terminal appointment, and obtain described bearer path information; Second sets up the detection of call module, is used for setting up detection of call according to the described bearer path information that obtains.

It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.

Claims

1. call bearer detection method, it is characterized in that comprising: the initiator initiates detection of call; According to different bearing modes, designated parties designated bearing routing information; Described bearer path information according to appointment is set up detection of call.

2. call bearer detection method according to claim 1 is characterized in that described initiator initiates detection of call and is specially: be initiated to the calling of calling terminal by mobile switching centre; Perhaps initiate detection of call by calling terminal.

3. call bearer detection method according to claim 1 and 2 is characterized in that described designated parties designated bearing routing information is specially: by described Mobile Switching Center Server designated bearing routing information; Perhaps initiate to increase called party information, the designated bearing routing information behind the called number of detection of call at described calling terminal; Perhaps send dual-tone multifrequency information, designated bearing routing information by described calling terminal.

4. call bearer detection method according to claim 3, it is characterized in that increasing called party information behind the described called number of initiating detection of call at calling terminal, the designated bearing routing information is specially: configuration bearer path information on Mobile Switching Center Server, and set up index, behind the called number of described calling terminal initiation detection of call, increase the bearer path information index.

5. call bearer detection method according to claim 3, it is characterized in that described designated bearing routing information is: designated call carries the bearer path information of a side, perhaps the bearer path information of designated call carrying both sides.

6. call bearer detection method according to claim 5 is characterized in that specifically comprising:

Described Mobile Switching Center Server is initiated to the calling of calling terminal, connects and the described calling terminal of maintenance connection;

According to different bearing modes, by described Mobile Switching Center Server designated bearing routing information;

Described bearer path information according to appointment is set up detection of call.

7. call bearer detection method according to claim 6, it is characterized in that described according to different bearing modes, be specially by described Mobile Switching Center Server designated bearing routing information: when described bearing mode is IP when carrying between radio network controller/base station controller and media gateway, specify the IP bearer path information of called media gateway and called radio network controller/base station controller by Mobile Switching Center Server, described IP bearer path information comprises: the sign of specifying called media gateway, and the IP address information and the IP domain information of the called media gateway of appointment, perhaps IP address information, IP domain information and IP port number information; Specify the IP address information and the IP domain information of called radio network controller/base station controller, perhaps IP address information, IP domain information and IP port number information.

8. call bearer detection method according to claim 7 is characterized in that described described bearer path information according to appointment sets up detection of call and be specially:

Described Mobile Switching Center Server is initiated to the calling of terminal called;

Described Mobile Switching Center Server sends called interpolation message, set up the callee side end points in the called media gateway of described appointment, comprise in the described called interpolation message: specify the IP address information and the IP domain information of called media gateway, perhaps IP address information, IP domain information and IP port number information;

The called media gateway of described appointment is set up according to the described called interpolation message that receives and is specified the IP between called radio network controller/base station controller to carry;

Described Mobile Switching Center Server issues assignment request message, comprises in the described assignment request message: specify the IP address information and the IP domain information of called radio network controller/base station controller, perhaps IP address information, IP domain information and IP port number information;

Called radio network controller/the base station controller of described appointment is set up according to the described assignment request message that receives and is specified the IP between called media gateway to carry;

Described Mobile Switching Center Server is connected calling terminal and terminal called, enters conversation and detects network state.

9. call bearer detection method according to claim 6, it is characterized in that described according to different bearing modes, be specially by described Mobile Switching Center Server designated bearing routing information: when described bearing mode is IP when carrying between the intra-office media gateway, specify the IP bearer path information of calling/called media gateway by Mobile Switching Center Server, described IP bearer path information comprises: the IP address information and the IP domain information of specifying the caller media gateway, perhaps IP address information, IP domain information and IP port number information, specify the sign of called media gateway, and the IP address information and the IP domain information of the called media gateway of appointment, perhaps IP address information, IP domain information and IP port number information.

10. call bearer detection method according to claim 9, it is characterized in that described when described bearing mode be IP when carrying between the intra-office media gateway, also comprise specified the IP bearer path information of calling/called media gateway by Mobile Switching Center Server before: described Mobile Switching Center Server is specified the sign of caller media gateway.

11. call bearer detection method according to claim 10 is characterized in that described described bearer path information according to appointment sets up detection of call and be specially:

Described Mobile Switching Center Server sends caller and adds message, carrying end in the middle of described appointment caller media gateway is set up, comprise in the described caller interpolation message: specify the IP address information and the IP domain information of caller media gateway, perhaps IP address information, IP domain information and IP port number information;

Described appointment caller media gateway is added message foundation and is specified the IP between called media gateway to carry according to the described caller that receives;

Described Mobile Switching Center Server sends called interpolation message, carrying end in the middle of the called media gateway of described appointment is set up, comprise in the described called interpolation message: specify the IP address information and the IP domain information of called media gateway, perhaps IP address information, IP domain information and IP port number information;

The called media gateway of described appointment is set up according to the described called interpolation message that receives and is specified the IP between the caller media gateway to carry;

12. call bearer detection method according to claim 6, it is characterized in that described according to different bearing modes, be specially by described Mobile Switching Center Server designated bearing routing information: when described bearing mode is IP when carrying between the interoffice media gateway, specify the IP bearer path information of interoffice media gateway by the local exchange Mobile Switching Center Server, described IP bearer path information comprises: the sign of the out media gateway of the appointment local exchange of calling terminal, and the IP address information and the IP domain information of the out media gateway of appointment local exchange, perhaps IP address information, IP domain information and IP port number information; The play a game sign of Incoming media gateway of the appointment of terminal called, and specify the IP address information and the IP domain information of the Incoming media gateway of playing a game, perhaps IP address information, IP domain information and IP port number information.

13. call bearer detection method according to claim 12 is characterized in that described described bearer path information according to appointment sets up detection of call and be specially:

Described local exchange Mobile Switching Center Server is initiated to the outbound call of terminal called;

Described local exchange Mobile Switching Center Server sends local exchange and adds message, set up out end points in the out media gateway of the appointment local exchange of calling terminal, comprise in the described local exchange interpolation message: specify the IP address information and the IP domain information of the out media gateway of local exchange, perhaps IP address information, IP domain information and IP port number information;

The out media gateway of described appointment local exchange is added the IP that message is set up and the appointment of terminal called is played a game between the Incoming media gateway according to the described local exchange that receives and is carried;

Initialization address message between described local exchange Mobile Switching Center Server forwarding office, comprise: the sign of specifying the Incoming media gateway of playing a game, reach the IP address information and the IP domain information of specifying the Incoming media gateway of playing a game, perhaps IP address information, IP domain information and IP port number information;

The Mobile Switching Center Server of playing a game receives described initialization address message, the transmission interpolation message of playing a game, set up out end points in the described appointment Incoming media gateway of playing a game, comprise in the described interpolation message of playing a game: specify the IP address information and the IP domain information of the Incoming media gateway of playing a game, perhaps IP address information, IP domain information and IP port number information;

Described appointment is played a game the Incoming media gateway according to the described IP carrying of playing a game between foundation of interpolation message and the out media gateway of appointment local exchange that receives;

The described local exchange Mobile Switching Center Server and the Mobile Switching Center Server of playing a game are connected calling terminal and terminal called, enter conversation and detect network state.

14. call bearer detection method according to claim 6, it is characterized in that described according to different bearing modes, be specially by described Mobile Switching Center Server designated bearing routing information: when described bearing mode is ATM when carrying between radio network controller and media gateway, specify the ATM bearer path information of called media gateway and called radio network controller by Mobile Switching Center Server, described ATM bearer path information comprises: the sign of specifying called media gateway, and the virtual path sign and the Virtual Channel sign of the called radio network controller of appointment, perhaps virtual path sign, Virtual Channel sign and gap marker.

15. call bearer detection method according to claim 6, it is characterized in that described according to different bearing modes, be specially by described Mobile Switching Center Server designated bearing routing information: when described bearing mode is ATM when carrying between the intra-office media gateway, specify the ATM bearer path information of calling/called media gateway by Mobile Switching Center Server, described ATM bearer path information comprises: the sign of specifying called media gateway, and the virtual path sign and the Virtual Channel sign of the called media gateway of appointment, perhaps virtual path sign, Virtual Channel sign and gap marker.

16. call bearer detection method according to claim 6, it is characterized in that described according to different bearing modes, be specially by described Mobile Switching Center Server designated bearing routing information: when described bearing mode is ATM when carrying between the interoffice media gateway, specify the ATM bearer path information of interoffice media gateway by the local exchange Mobile Switching Center Server, described ATM bearer path information comprises: the sign of the out media gateway of the appointment local exchange of calling terminal, the play a game sign of Incoming media gateway of the appointment of terminal called, reach the virtual path sign and the Virtual Channel sign of specifying the Incoming media gateway of playing a game, perhaps the virtual path sign, Virtual Channel sign and gap marker.

17., it is characterized in that specifically comprising according to claim 4 or 5 described call bearer detection methods:

Calling terminal is initiated detection of call;

According to different bearing modes, behind the called number of described calling terminal initiation detection of call, increase called party information, the designated bearing routing information;

Mobile Switching Center Server is analyzed described called party information, obtains described bearer path information;

18. call bearer detection method according to claim 17, it is characterized in that described according to different bearing modes, behind the called number of described calling terminal initiation detection of call, increase called party information, the designated bearing routing information is specially: when described bearing mode is IP when carrying between radio network controller/base station controller and media gateway, behind the called number of calling terminal initiation detection of call, import called party information, comprise: called terminal number, the IP bearer path information of called media gateway and called radio network controller/base station controller, described IP bearer path information comprises: the sign of specifying called media gateway, and the IP address information and the IP domain information of the called media gateway of appointment, perhaps IP address information, IP domain information and IP port number information; Specify the IP address information and the IP domain information of called radio network controller/base station controller, perhaps IP address information, IP domain information and IP port number information.

19. call bearer detection method according to claim 18 is characterized in that described described bearer path information according to appointment sets up detection of call and be specially:

20. call bearer detection method according to claim 17, it is characterized in that described according to different bearing modes, behind the called number of described calling terminal initiation detection of call, increase called party information, the designated bearing routing information is specially: when described bearing mode is IP when carrying between the intra-office media gateway, behind the called number of calling terminal initiation detection of call, import called party information, comprise: called terminal number, the sign of caller media gateway, the IP bearer path information of calling/called media gateway, described IP bearer path information comprises: the IP address information and the IP domain information of specifying the caller media gateway, perhaps IP address information, IP domain information and IP port number information, specify the sign of called media gateway, and the IP address information and the IP domain information of the called media gateway of appointment, perhaps IP address information, IP domain information and IP port number information.

21. call bearer detection method according to claim 20 is characterized in that described described bearer path information according to appointment sets up detection of call and be specially:

22. call bearer detection method according to claim 17, it is characterized in that described according to different bearing modes, behind the called number of described calling terminal initiation detection of call, increase called party information, the designated bearing routing information is specially: when described bearing mode is IP carrying between the interoffice media gateway, behind the called number of calling terminal initiation detection of call, import called party information, comprise: called terminal number, the IP bearer path information of interoffice media gateway, described IP bearer path information comprises: the sign of the out media gateway of the appointment local exchange of calling terminal, and the IP address information and the IP domain information of the out media gateway of appointment local exchange, perhaps IP address information, IP domain information and IP port number information, the play a game sign of Incoming media gateway of the appointment of terminal called, reach the IP address information and the IP domain information of specifying the Incoming media gateway of playing a game, perhaps the IP address information, IP domain information and IP port number information.

23. call bearer detection method according to claim 22 is characterized in that described described bearer path information according to appointment sets up detection of call and be specially:

24. call bearer detection method according to claim 17, it is characterized in that described according to different bearing modes, behind the called number of described calling terminal initiation detection of call, increase called party information, the designated bearing routing information is specially: when described bearing mode is ATM when carrying between radio network controller and media gateway, behind the called number that calling terminal makes a call, import called party information, comprise: called terminal number, the ATM bearer path information of called media gateway and called radio network controller, described ATM bearer path information comprises: the sign of specifying called media gateway, and the virtual path sign and the Virtual Channel sign of the called radio network controller of appointment, perhaps virtual path sign, Virtual Channel sign and gap marker.

25. call bearer detection method according to claim 17, it is characterized in that described according to different bearing modes, behind the called number of described calling terminal initiation detection of call, increase called party information, the designated bearing routing information is specially: when described bearing mode is ATM when carrying between the intra-office media gateway, behind the called number that calling terminal makes a call, import called party information, comprise: called terminal number, the sign of caller media gateway, the ATM bearer path information of calling/called media gateway, described ATM bearer path information comprises: the sign of specifying called media gateway, and the virtual path sign and the Virtual Channel sign of the called media gateway of appointment, perhaps virtual path sign, Virtual Channel sign and gap marker.

26. call bearer detection method according to claim 17, it is characterized in that described according to different bearing modes, behind the called number of described calling terminal initiation detection of call, increase called party information, the designated bearing routing information is specially: when described bearing mode is ATM when carrying between the interoffice media gateway, behind the called number that calling terminal makes a call, import called party information, comprise: called terminal number, the ATM bearer path information of interoffice media gateway, described ATM bearer path information comprises: the sign of the out media gateway of the appointment local exchange of calling terminal, the play a game sign of Incoming media gateway of the appointment of terminal called, reach the virtual path sign and the Virtual Channel sign of specifying the Incoming media gateway of playing a game, perhaps the virtual path sign, Virtual Channel sign and gap marker.

27. call bearer detection method according to claim 5 is characterized in that specifically comprising:

According to different bearing modes, send dual-tone multifrequency information, designated bearing routing information by described calling terminal;

Mobile Switching Center Server is analyzed described dual-tone multifrequency information, obtains described bearer path information;

28. call bearer detection method according to claim 27, it is characterized in that described according to different bearing modes, send dual-tone multifrequency information by described calling terminal, the designated bearing routing information is specially: when described bearing mode is IP when carrying between radio network controller/base station controller and media gateway, send the IP bearer path information that dual-tone multifrequency information is specified called media gateway and called radio network controller/base station controller by calling terminal, comprise: the sign of specifying called media gateway, and the IP address information and the IP domain information of the called media gateway of appointment, perhaps IP address information, IP domain information and IP port number information; Specify the IP address information and the IP domain information of called radio network controller/base station controller, perhaps IP address information, IP domain information and IP port number information.

29. call bearer detection method according to claim 28 is characterized in that described described bearer path information according to appointment sets up detection of call and be specially:

30. call bearer detection method according to claim 27, it is characterized in that described according to different bearing modes, send dual-tone multifrequency information by described calling terminal, the designated bearing routing information is specially: when described bearing mode is IP when carrying between the intra-office media gateway, send the IP bearer path information that dual-tone multifrequency information is specified calling/called media gateway by calling terminal, comprise: the IP address information and the IP domain information of specifying the caller media gateway, perhaps IP address information, IP domain information and IP port number information, specify the sign of called media gateway, and the IP address information and the IP domain information of the called media gateway of appointment, perhaps IP address information, IP domain information and IP port number information.

31. call bearer detection method according to claim 30, it is characterized in that described when described bearing mode be IP when carrying between the intra-office media gateway, send dual-tone multifrequency information by calling terminal and also comprise before specifying the IP bearer path information of calling/called media gateway: described Mobile Switching Center Server is specified the sign of caller media gateway.

32. call bearer detection method according to claim 31 is characterized in that described described bearer path information according to appointment sets up detection of call and be specially:

33. call bearer detection method according to claim 27, it is characterized in that described according to different bearing modes, send dual-tone multifrequency information by described calling terminal, the designated bearing routing information is specially: when described bearing mode is IP when carrying between the interoffice media gateway, send the IP bearer path information that dual-tone multifrequency information is specified the interoffice media gateway by calling terminal, comprise: the sign of the out media gateway of the appointment local exchange of calling terminal, and the IP address information and the IP domain information of the out media gateway of appointment local exchange, perhaps IP address information, IP domain information and IP port number information; The play a game sign of Incoming media gateway of the appointment of terminal called, and specify the IP address information and the IP domain information of the Incoming media gateway of playing a game, perhaps IP address information, IP domain information and IP port number information.

34. call bearer detection method according to claim 33 is characterized in that described described bearer path information according to appointment sets up detection of call and be specially:

35. call bearer detection method according to claim 27, it is characterized in that described according to different bearing modes, send dual-tone multifrequency information by described calling terminal, the designated bearing routing information is specially: when described bearing mode is ATM when carrying between radio network controller and media gateway, send the ATM bearer path information that dual-tone multifrequency information is specified called media gateway and called radio network controller by calling terminal, comprise: the sign of specifying called media gateway, and the virtual path sign and the Virtual Channel sign of the called radio network controller of appointment, perhaps virtual path sign, Virtual Channel sign and gap marker.

36. call bearer detection method according to claim 27, it is characterized in that described according to different bearing modes, send dual-tone multifrequency information by described calling terminal, the designated bearing routing information is specially: when ATM bearer path information that described bearer path information is calling/called media gateway, send the ATM bearer path information of the calling/called media gateway of dual-tone multifrequency information by calling terminal, comprise: the sign of specifying called media gateway, and the virtual path sign and the Virtual Channel sign of the called media gateway of appointment, perhaps virtual path sign, Virtual Channel sign and gap marker

37. call bearer detection method according to claim 27, it is characterized in that described according to different bearing modes, send dual-tone multifrequency information by described calling terminal, the designated bearing routing information is specially: when described bearing mode is ATM when carrying between the interoffice media gateway, send the ATM bearer path information that dual-tone multifrequency information is specified the interoffice media gateway by described calling terminal, comprise: the sign of the out media gateway of the appointment local exchange of calling terminal, the play a game sign of Incoming media gateway of the appointment of terminal called, reach the virtual path sign and the Virtual Channel sign of specifying the Incoming media gateway of playing a game, perhaps the virtual path sign, Virtual Channel sign and gap marker.

38. a Mobile Switching Center Server is characterized in that: comprising:

39. a Mobile Switching Center Server is characterized in that: comprising: