CN101945420A - Method and system for establishing media face - Google Patents
Method and system for establishing media face Download PDFInfo
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- CN101945420A CN101945420A CN2010102889464A CN201010288946A CN101945420A CN 101945420 A CN101945420 A CN 101945420A CN 2010102889464 A CN2010102889464 A CN 2010102889464A CN 201010288946 A CN201010288946 A CN 201010288946A CN 101945420 A CN101945420 A CN 101945420A
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Abstract
The invention discloses a method and a system for establishing a media face. The method comprises the following steps: a base station controller receives at least one first IP address from a media gateway controller, wherein the first IP address is the media face IP address of the media gateway; the base station controller tests the connectivity between at least one second IP address and at least one first IP address, determines at least one address pair and informs the media gateway via the media gateway controller, wherein each address pair comprises a first IP address and a second IP address which are connected with each other, and the second IP address is the media face IP address of the base station controller; and in the circuit domain calling process, the base station controller and the media gateway establish the media face according to at least one address pair. The invention can select the IP address according to the test result so as to establish the media face, thereby increasing the success rate of establishing and calling the A port media face by measurement and ensuring the normal execution of communication.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of method for building up and system of medium face.
Background technology
In mobile communication network, because the IP carrying is convenient and low-cost, the IP carrying is substituting time division multiplexing (Time Division Multiplex and Multiplexer abbreviates TDM as) gradually, becomes the bearer types that each interface mainly uses.The A interface has been introduced the mechanism of IPization as one of main interface of mobile communication network in 48.008 agreements of 3GPP tissue.
Fig. 1 be in the mobile communication network of prior art with the network structure of A interface relevant portion, as shown in Figure 1, the network element that relates to comprises: portable terminal (Mobile Station, abbreviate MS as), base transceiver station (Base Transceiver Station, abbreviate BTS as), base station controller (Base StationController, abbreviate BSC as), media gateway (Media Gateway, abbreviate MG as) and Media Gateway Controller (Media Gateway Controller abbreviates MGC as).Wherein, the interface between MG and the BSC is the medium face portion of A interface, and the interface between MGC and the BSC is the signaling plane of A interface, and signaling plane is used for the relevant signaling of transport service, and the medium face is used for during business is carried out, medium stream informations such as transferring voice, video.In addition, communicate by wave point between MS and the BTS, the interface between BTS and the BSC is an Abis interface, and the interface between MG and the MGC is a Mc interface.
In the circuit domain call process, at first need to set up the A interface signaling face between MGC and the BSC, then according to type of service, application medium face.Fig. 2 is a flow chart of setting up process in the prior art based on the MG of IP bearer types and the A interface medium face portion between the BSC, as shown in Figure 2, may further comprise the steps:
Step S201, MGC send to MG and set up the terminal instruction, are used to apply for the terminal of IP type.
Step S202, MG are the terminal to apply resource, and the resource of application comprises medium face IP address and the port of MG; Afterwards, the medium face IP address of the MG side that MG will apply for and port are carried in the terminal responds instruction, return to MGC.
Step S203, MGC sends Assignment Command to BSC, wherein, carries medium face IP address and the port of MG in this Assignment Command.
Step S204, BSC handle above-mentioned Assignment Command, and Resources allocation, and the resource of distribution comprises medium face IP address and the port of BSC; Afterwards, return assignment to MGC and reply, wherein, carry medium face IP address and the port of the BSC of distribution during this assignment is replied.
Step S205, MGC is carried at medium face IP address and the port of BSC in the terminal modifications order, returns to MGW.
Step S206, MGW receive above-mentioned terminal modifications order, return terminal modifications to BSC and reply.
By flow process shown in Figure 2 as can be seen, BSC and MG need can set up being connected of medium face behind the switched-media face IP address and port respectively, that is to say and BSC and MG must know the other side's IP address and the foundation that port can be finished the medium face.When setting up the medium face, MG and BSC can provide an IP address respectively, are used for the foundation of medium face.
Under the situation that adopts multimedia face IP address, because a plurality of addresses are arranged, above-mentioned MG and BSC will respectively select an address respectively in the address list of this side, be used for this medium face and set up process.
Fig. 3 disposes the schematic diagram of a plurality of medium faces address respectively to MG and BSC in network design.As shown in Figure 3, can be connected in twos between the medium face address of the medium face address of MG and BSC.As shown in Figure 3, IP1 and IP2 are the medium face addresses of MG, IP-bsc1 and IP-bsc2 are the medium face addresses of BSC, wherein, IP1, IP2 are connected with IP-bsc1, IP-bsc2 by router, for example, ways of connecting can comprise that IP1 is connected with IP-bsc1, IP2 is connected with IP-bsc2, and ways of connecting also can be to connect in twos.When setting up A mouth medium face, MG can select IP1 or IP2 as local terminal medium face address according to certain ratio, returns to MGC; Then, MGC is carried at the address and sends to BSC in the Assignment Command, selects the medium face address of IP-bsc1 or IP-bsc2 and MG to be connected by BSC, and this method can increase the reliability of A mouth medium face by for MG and BSC distribute a plurality of medium face IP address.
But, because MG and BSC can't know in advance all whether the transmission between selected two IP addresses is normal, if the transmission that MG and BSC select is used to set up between two IP addresses of medium face (is for example broken down, route or circuit between two IP addresses break down), then MG and BSC can continue to use these two fail addresses to set up the medium face, thereby the medium face that causes call setup failure or calling to be set up can't transmit media signal, influences proper communication.
At to cause the medium face to be created as power low and then influence the problem of proper communication owing to carrying out joint detection between the IP address in the correlation technique, effective solution is not proposed as yet at present.
Summary of the invention
At to cause the medium face to be created as power low and then influence the problem of proper communication owing to carrying out joint detection between the IP address in the correlation technique, the present invention proposes the method for building up and the system of medium face, can improve face foundation of A mouth medium and calling ratio of success by measuring, guarantee the normal execution of communication.
Technical scheme of the present invention is achieved in that
A kind of method for building up of medium face comprises:
Base station controller receives at least one the IP address from Media Gateway Controller, wherein, and the medium face IP address that a described IP address is a media gateway;
Described base station controller is tested the connectedness between at least one the 2nd IP address and described at least one IP address, determine at least one address to and be notified to described media gateway via described Media Gateway Controller, wherein, each address is to comprising one the one IP address and one the 2nd IP address that communicates with each other, the medium face IP address that described the 2nd IP address is described base station controller;
In the circuit domain call process, described base station controller and described media gateway according to described at least one address to setting up the medium face.
Further, said method also comprises:
Media gateway is given described Media Gateway Controller with described at least one IP address notification in advance.
Wherein, the described base station controller connectedness of testing between at least one the 2nd IP address and described at least one IP address comprises:
For one the one IP address and one the 2nd IP address, described base station controller sends the Ping order according to the 2nd IP address, and carries an IP address and the 2nd IP address in described Ping order;
If described media gateway receives described Ping order, then return described Ping order, and in the described Ping order of returning, carry an IP address and the 2nd IP address according to an IP address of carrying in the described Ping order;
Receive at described base station controller under the situation of the described Ping order of returning, judge that an IP address and the 2nd IP address communicate with each other.
Wherein, described base station controller and described media gateway comprise setting up the medium face according to described at least one address:
Described base station controller receives the first assigned ip address from described Media Gateway Controller, wherein, the first assigned ip address is described media gateway from an address of described at least one address centering to selecting and be notified to an IP address of described Media Gateway Controller;
Described base station controller is given described Media Gateway Controller with the second assigned ip address notification, so that described Media Gateway Controller is given described media gateway with the described second assigned ip address notification, wherein, to belong to same address right in the described first assigned ip address of described second assigned ip address and selection.
Preferably, the described first assigned ip address of selection is notified to described base station controller by described Media Gateway Controller by Assignment Command.
Wherein, described base station controller comprises to described Media Gateway Controller the second assigned ip address notification:
Described base station controller is given described Media Gateway Controller by the assignment acknowledgement command with the described second assigned ip address notification.
Wherein, described base station controller reception comprises from the operation of at least one IP address of Media Gateway Controller:
Under the situation that the reset operation of described base station controller and described Media Gateway Controller finishes, described base station controller receives at least one the IP address from described Media Gateway Controller; Perhaps,
Under described media gateway registration case of successful, described base station controller receives at least one the IP address from described Media Gateway Controller; Perhaps,
Upgrade in described media gateway under the situation of an IP address, described base station controller receives at least one the IP address from described Media Gateway Controller; Perhaps,
Described base station controller is with predetermined period reception at least one IP address from described Media Gateway Controller.
A kind of method for building up of medium face comprises:
Media gateway receives at least one the IP address from Media Gateway Controller, wherein, and the medium face IP address that a described IP address is a base station controller;
Described media gateway is tested the connectedness between at least one the 2nd IP address and described at least one IP address, determine at least one address to and be notified to described base station controller via described Media Gateway Controller, wherein, each address is to comprising one the one IP address and one the 2nd IP address that communicates with each other, the medium face IP address that described the 2nd IP address is described media gateway;
In the circuit domain call process, described base station controller and described media gateway according to described at least one address to setting up the medium face.
Wherein, the described media gateway connectedness of testing between at least one the 2nd IP address and described at least one IP address comprises:
For one the one IP address and one the 2nd IP address, described media gateway sends the Ping order according to an IP address, and carries an IP address and the 2nd IP address in described Ping order;
If described base station controller receives described Ping order, then return described Ping order, and in the described Ping order of returning, carry an IP address and the 2nd IP address according to the 2nd IP address of carrying in the described Ping order;
Receive in described media gateway under the situation of the described Ping order of returning, judge that an IP address and the 2nd IP address communicate with each other.
Wherein, described media gateway reception comprises from the operation of at least one IP address of Media Gateway Controller:
Under described media gateway registration case of successful, described media gateway receives at least one the IP address from described Media Gateway Controller; Perhaps,
Upgrade in described media gateway under the situation of an IP address, described media gateway receives at least one the IP address from described Media Gateway Controller; Perhaps,
Described media gateway is with predetermined period reception at least one IP address from described Media Gateway Controller.
Preferably, described base station controller and described media gateway comprise setting up the medium face according to described at least one address:
Described base station controller receives the second assigned ip address from described Media Gateway Controller, wherein, the second assigned ip address is described media gateway from an address of described at least one address centering to selecting and be notified to the 2nd IP address of described Media Gateway Controller;
Described base station controller is given described Media Gateway Controller with the first assigned ip address notification, so that described Media Gateway Controller is given described media gateway with the described first assigned ip address notification, wherein, to belong to same address right in the described second assigned ip address of described first assigned ip address and selection.
A kind of system that sets up of medium face comprises:
Receiver module is arranged at side of base station controller, is used to receive at least one the IP address from Media Gateway Controller, wherein, and the medium face IP address that a described IP address is a media gateway;
Test module, be arranged at side of base station controller, be used to test the connectedness between at least one the 2nd IP address and described at least one IP address, determine at least one address to and be notified to described media gateway, wherein, each address is to comprising one the one IP address and one the 2nd IP address that communicates with each other, the medium face IP address that described the 2nd IP address is described base station controller;
Set up module, be arranged at the media gateway side, be used for, trigger the medium face by the IP address notification that address of described at least one address centering is right to Media Gateway Controller and set up in the circuit domain call process.
A kind of system that sets up of medium face comprises:
Receiver module is arranged at the media gateway side, is used to receive at least one the IP address from Media Gateway Controller, wherein, and the medium face IP address that a described IP address is a base station controller;
Test module, be arranged at the media gateway side, be used to test the connectedness between at least one the 2nd IP address and described at least one IP address, determine at least one address to and be notified to described base station controller, wherein, each address is to comprising one the one IP address and one the 2nd IP address that communicates with each other, the medium face IP address that described the 2nd IP address is described media gateway;
Set up module, be arranged at the media gateway side, be used for, trigger the medium face by the IP address notification that address of described at least one address centering is right to Media Gateway Controller and set up in the circuit domain call process.
By means of technique scheme of the present invention, give BSC by MGC with one or more medium face IP address notifications of MG, perhaps give MG with one or more medium face IP address notifications of BSC by MGC, make one among MG and the BSC enough to measure according to the IP address of local terminal and the other side's IP address, definite IP address that can communicate with each other, and then under the situation that needs are commenced business, select the IP address to carry out the medium face and set up according to measurement result, thereby can improve face foundation of A mouth medium and calling ratio of success by measuring, guarantee the normal execution of communication, avoid unavailable or connection fault to influence the problem of communication owing to the IP address.
Description of drawings
Fig. 1 be in the mobile communication network of prior art with the network structure of A interface relevant portion;
Fig. 2 is a flow chart of setting up process in the prior art based on the MG of IP bearer types and the A interface medium face portion between the BSC;
Fig. 3 disposes the schematic diagram of a plurality of medium faces address respectively to MG and BSC in the correlation technique;
Fig. 4 is the flow chart according to the method for building up of the medium face of the embodiment of the invention;
Fig. 5 is a flow chart that obtains medium face IP address connection status according to the BSC of the embodiment of the invention and MG;
Fig. 6 is another flow chart that obtains medium face IP address connection status according to the BSC of the embodiment of the invention and MG;
Fig. 7 is the detailed process flow chart according to the method for building up of the medium face of the embodiment of the invention;
Fig. 8 is a structured flowchart according to the system that sets up of the medium face of the embodiment of the invention;
Fig. 9 is another structured flowchart according to the system that sets up of the medium face of the embodiment of the invention.
Embodiment
At to cause the medium face to be created as power low and then influence the problem of proper communication owing to carrying out joint detection between the IP address in the correlation technique, the present invention proposes, give BSC by MGC with one or more medium face IP address notifications of MG, perhaps give MG with one or more medium face IP address notifications of BSC by MGC, make one among MG and the BSC enough to measure according to the IP address of local terminal and the other side's IP address, definite IP address that can communicate with each other, and then under the situation that needs are commenced business, select the IP address to carry out the medium face and set up according to measurement result, thereby can improve face foundation of A mouth medium and calling ratio of success by measuring, guarantee the normal execution of communication.
Below in conjunction with accompanying drawing, describe embodiments of the invention in detail.
Fig. 4 is the flow chart according to the method for building up of the medium face of the embodiment of the invention, and as shown in Figure 4, this method may further comprise the steps:
Step S401, BSC receives at least one the IP address from MGC, and wherein, an IP address is the medium face IP address of MG;
Step S403, BSC tests the connectedness between at least one the 2nd IP address and at least one the IP address, determine that at least one address is to also being notified to MG through MGC, wherein, each address is to comprising one the one IP address and one the 2nd IP address that communicates with each other, and the 2nd IP address is the medium face IP address of BSC;
Step S405, in the circuit domain call process, BSC and MG according at least one address to setting up the medium face.
By means of above-mentioned processing, give BSC by MGC with one or more medium face IP address notifications of MG, perhaps give MG with one or more medium face IP address notifications of BSC by MGC, make one among MG and the BSC enough to measure according to the IP address of local terminal and the other side's IP address, definite IP address that can communicate with each other, and then under the situation that needs are commenced business, select the IP address to carry out the medium face and set up according to measurement result, thereby can improve face foundation of A mouth medium and calling ratio of success by measuring, guarantee the normal execution of communication, avoid unavailable or connection fault to influence the problem of communication owing to the IP address.
Before carrying out above-mentioned steps S401, MG needs to give MGC with at least one IP address notification in advance.
In step S405, BSC and MG are as follows to the processing procedure of setting up the medium face according at least one address: BSC receives the first assigned ip address from MGC, wherein, the first assigned ip address is MG from an address of at least one address centering to selecting and be notified to the IP address of MGC; BSC gives MGC with the second assigned ip address notification, so that MGC gives MG with the second assigned ip address notification, wherein, it is right that the first assigned ip address of the second assigned ip address and selection belongs to same address.
In above-mentioned processing, the first assigned ip address that MG selects can be notified to BSC by Assignment Command by MGC.
In addition, BSC can give MGC with the second assigned ip address notification by the assignment acknowledgement command.
BSC can receive at least one the IP address from MGC in the following manner: under the situation that the reset operation of BSC and MGC finishes, BSC receives at least one the IP address from MGC; Perhaps, under the situation that MG succeeds in registration, BSC receives at least one the IP address from MGC; Perhaps, upgrade at MG under the situation of an IP address, BSC receives at least one the IP address from MGC; Perhaps, BSC is with predetermined period reception at least one IP address from MGC.
And when testing, for one the one IP address and one the 2nd IP address, BSC can send Ping order (also can be called the Ping bag) according to the 2nd IP address, and carries an IP address and the 2nd IP address in the Ping order; If MG receives the Ping order, then return the Ping order, and in the Ping order of returning, carry an IP address and the 2nd IP address according to an IP address of carrying in the Ping order; Receive at BSC under the situation of the Ping order of returning, judge that an IP address and the 2nd IP address communicate with each other.
In actual applications, BSC can adopt the mode of mass-sending to send the Ping order, also can send the Ping order one by one.In addition, test mode described herein only is an example, and according to demand, those skilled in the art can select other method of testing, and this paper enumerates no longer one by one.
With annexation shown in Figure 3 is example, IP1 and IP2 are equivalent to an above-mentioned IP address, IP-bsc1 and IP-bsc2 are equivalent to the 2nd above-mentioned IP address, suppose that the result that BSC carries out continuity testing is communicated with IP1 for IP-bsc1, IP-bsc2 is communicated with IP2, at this moment, can determine to exist between BSC and the MG two addresses right after the test, one is IP-bsc1 and IP1, and another is IP-bsc2 and IP2.When setting up the medium face, MG can select arbitrarily or based on certain strategy from IP1 and IP2, suppose that MG has selected IP1 (as the above-mentioned first assigned ip address), at this moment, MG can be notified to MGC with IP1, MGC can further be notified to BSC with IP1, BSC is right according to the address of preserving, determine that being positioned at another right IP address of same address with IP1 is IP-bsc1, therefore, BSC can select IP-bsc1 as the above-mentioned second assigned ip address, and IP-bsc1 is notified to MGC, by MGC IP-bsc1 is notified to MG, at this moment, MG and BSC can be known the IP address that the other side adopts, and being connected between IP-bsc1 and the IP1 is normal, therefore can successfully set up the medium face, and, MG can also in time discharge and the irrelevant resource in the first assigned ip address (IP1) and the second assigned ip address (IP-bsc1), thereby optimizes the utilization of resources, avoids unnecessary resource occupation.
Above-mentioned when setting up the medium face, MG selects arbitrarily or based on certain strategy from the IPmg tabulation (IP address list of MG) that can be communicated with BSC, and particularly, MG can select based on one of following strategy:
(1) load balancing strategy
MG selects Ipmg (being the first assigned ip address mentioned above) according to the load sharing strategy of IPmg tabulation, and IPmg can be communicated with the IP address on the BSC.Such as in the IPmg tabulation three address: IPmg-1 being arranged, its load proportion of IPmg-2 and IPmg-3. is 1: 1: 2, and then MG makes the selection frequency of address in the IPmg tabulation satisfy 1: 1: 2 when selecting IPmg as far as possible.
(2) priority policy
Continue above-mentioned example, such as requiring the preferential IPmg-3 of selection in the IPmg tabulation, then under the prerequisite that can be communicated with in the IP address of IPmg-3 and BSC, MG should select IPmg-3 as the first assigned ip address as far as possible.
(3) time-based selection strategy
In the IP of predefined time period and interface address relationship table, search the pairing IP of current slot address.Particularly, can between 0 o'clock to 8 o'clock of every day, require in the IPmg tabulation, to select IPmg-1, select IPmg-2 between the 8-16 point, select IPmg-3 between the 16-24 point.Like this, 6 points in the morning, IPmg-1 can and BSC under the prerequisite of IP address connection, the selected IP of MG address should be IPmg-1.
In actual application, above several selection strategies can be carried out combination in any, with the more rational first assigned ip address choice strategy of realization, and, can adopt different selection strategies as the case may be in different time sections.For example, between 8 o'clock to 20 o'clock of every day, adopt strategy based on priority, at 20 of every day to the strategy that adopts between 8 of next day based on load balancing.
In addition, BSC also can be according to above-mentioned strategy, selects in the IP-bsc address list (IP address list of BSC) one as the second assigned ip address, repeats no more here.
According to embodiments of the invention, the method for building up of another kind of medium face also is provided, this method and method shown in Figure 4 difference be, obtains the IP address of BSC by MG by MGC, and tested according to the IP address of local terminal and the IP address of BSC by MG.Particularly, this method comprises: media gateway receives at least one the IP address from Media Gateway Controller, wherein, and the medium face IP address that a described IP address is a base station controller; Described media gateway is tested the connectedness between at least one the 2nd IP address and described at least one IP address, determine at least one address to and be notified to described base station controller via described Media Gateway Controller, wherein, each address is to comprising one the one IP address and one the 2nd IP address that communicates with each other, the medium face IP address that described the 2nd IP address is described media gateway; In the circuit domain call process, described base station controller and described media gateway according to described at least one address to setting up the medium face.
When setting up the medium face, the processing procedure that BSC, MGC and MG participated in no longer repeats here with described process is identical before.
Particularly, the operation that media gateway receives from least one IP address of Media Gateway Controller can comprise: under the media gateway registration case of successful, media gateway receives at least one the IP address from Media Gateway Controller; Perhaps, upgrade in media gateway under the situation of an IP address, media gateway receives at least one the IP address from Media Gateway Controller; Perhaps, media gateway is with predetermined period reception at least one IP address from Media Gateway Controller.
And when testing, for one the one IP address and one the 2nd IP address, MG can send Ping order (also can be called the Ping bag) according to an IP address, and carries an IP address and the 2nd IP address in the Ping order; If BSC receives the Ping order, then return the Ping order, and in the Ping order of returning, carry an IP address and the 2nd IP address according to the 2nd IP address of carrying in the Ping order; Receive at MG under the situation of the Ping order of returning, judge that an IP address and the 2nd IP address communicate with each other.
In actual applications, MG can adopt the mode of mass-sending to send Ping order, also can send the Ping order one by one, and MG and BSC can measure the connectedness between both sides' IP address as much as possible, selects or adds up in order to follow-up.In addition, described herein to carry out test mode by Ping order only be an example, and according to demand, those skilled in the art can select other method of testing, and this paper enumerates no longer one by one.
Fig. 5 is a flow chart that obtains medium face IP address connection status according to the BSC of the embodiment of the invention and MG, as shown in Figure 5, comprises following processing:
Step 501, MGC has obtained after the medium face IP address list of MG, the medium face IP address list of MG is sent to BSC, wherein, MG can send the medium face IP address list of MG on one of following transmission opportunity to BSC: under the situation that reseting procedure finishes between BSC and the MGC, under the MG situation about succeeding in registration, MG upgrades under the situation of medium face IP address of MG, MGC periodically sends medium face IP address list from MG to BSC; Preferably, in this step, MGC one of can be in the following manner obtains the medium face IP address list of MG: be notified to MGC by configuration, MG.
Step 502, BSC gets access to the medium face IP address list of MG, can detect connected state between the medium face IP address of the medium face IP address (being BSC medium face IP address) of local terminal and MG by ping order, and it is right to preserve one or more addresses that can be communicated with each other.
Step 503, BSC with detected one or more addresses that can be communicated with each other to sending to MGC.
Step 504, to sending to MG., it is right that MG preserves these one or more addresses that can be communicated with each other with above-mentioned one or more addresses that can be communicated with each other for MGC.
Fig. 6 is another flow chart that obtains medium face IP address connection status according to the BSC of the embodiment of the invention and MG, as shown in Figure 6, comprises following processing:
Step 601, MGC gets access to after the medium face IP address list of BSC, the medium face IP address list of BSC is sent to MG, wherein, MGC can send the medium face IP address list of BSC on one of following transmission opportunity to MG: under the situation that MG succeeds in registration, MG upgrades under the situation of medium face IP address of MG, MGC periodically sends medium face IP address list from BSC to MG; Preferably, in this step, MGC one of can be in the following manner obtains the medium face IP address list of BSC: by configuration, BSC is notified to MGC.
Step 602, MG gets access to the medium face IP address list of BSC, can detect connected state between the medium face IP address of the medium face IP address (being MG medium face IP address) of local terminal and BSC by ping order, and it is right to preserve one or more addresses that can be communicated with each other.
Step 603, MG with detected one or more addresses that can be communicated with each other to sending to MGC.
Step 604, to sending to BSC., it is right that BSC preserves these one or more addresses that can be communicated with each other with above-mentioned one or more addresses that can be communicated with each other for MGC.
Fig. 7 is the detailed process flow chart according to the method for building up of the medium face of the embodiment of the invention, described and adopted behind the present invention the medium face of IP carrying A mouth to set up process, as shown in Figure 7, may further comprise the steps:
Step 701, MGC sends to MG and sets up the terminal instruction, is used to apply for the terminal of IP type, and the A mouthpiece that begins to be established to BSC carries.
Step 702, MG is according to the connected state of medium face address and the local terminal medium face IP address of BSC, be that MG is right according to one or more addresses that can be communicated with each other of preserving, select available local terminal medium face IP address (the medium face IP address of MG), and be the medium face IP address assignment port of the MG that selects, the medium face IP address of the MG that selects and port are carried at return to MGC in the terminal responds.For example, it is right to preserve two pairs of addresses that can be communicated with each other among the MG: IP1 is connected with IP-bsc1, IP2 is connected with IP-bsc2, wherein, IP1 and IP2 are the medium face IP address of MG, and IP-bsc1 and IP-bsc2 are the medium face IP address of BSC, at this moment, MG can select among IP1 or the IP2 any to return to MGC,, supposes that MG selects IP1 here.
Step 703, MGC sends Assignment Command to BSC, wherein, carries medium face IP address and the port of the MG that MG selects in this Assignment Command, if MG selects IP1, then the medium face IP address of the MG that carries in the Assignment Command just is IP1.
Step 704, BSC receives Assignment Command, according to the connected state between the medium face IP address of local terminal medium face IP address and MG, be that MG is right according to one or more addresses that can be communicated with each other of preserving, select local terminal medium face IP addresses (being the medium face IP address of BSC), and the medium face IP address of the BSC that selects is carried at assignment returns to MGC in replying.For example, in above-mentioned steps S702, MG selects IP1, by above-mentioned Fig. 5 or Fig. 6, as can be seen, one or more addresses that can be communicated with each other of one or more addresses that can be communicated with each other that BSC preserves pair and MG preservation are to being identical, so, in this step, if MG selects IP1, the medium face IP address that BSC can determine the BSC that is connected with IP1 is IP-bsc1, and BSC can be carried at IP-bsc1 assignment and return to MGC in replying.
Step 705, MGC is carried at the medium face IP address of BSC to revise in the station command and sends to MG.
Step 706, MG receives above-mentioned terminal modifications order, returns terminal modifications to MGC and replys, and at this moment, the A interface medium face between MG and BSC is set up process and is finished.
By above-mentioned processing, can when setting up the medium face, needs select rational IP address according to measurement result, A mouth medium face is set up and calling ratio of success thereby can effectively improve, and guarantees the normal execution of communication, avoids owing to the IP address unavailable or connection fault to influence the problem of communication; And the method for building up of the medium face that present embodiment provides can be set up flow process with medium face of the prior art well and mutually combine, and need not to carry out bigger change, and implementation procedure is comparatively simple; And, by timely release IP resource, can avoid the unnecessary of resource to take, reach the purpose of optimizing the utilization of resources.
Fig. 8 is a structured flowchart according to the system that sets up of the medium face of the embodiment of the invention, and as shown in Figure 8, this system comprises:
Set up module 83, be arranged at the media gateway side, be connected to test module 82, be used for, trigger the medium face by the IP address notification that address of at least one address centering is right to Media Gateway Controller and set up in the circuit domain call process.
In addition, can be arranged among the BSC according to receiver module in the said system of present embodiment and test module among Fig. 8, also can be independent of BSC is provided with and communicates with BSC, in receiver module and the test module one can also be arranged among the BSC, another then is independent of the BSC setting, and design this paper enumerates no longer one by one particularly, similarly, set up module and both can be arranged among the MG, can be independent of also that MG is provided with and communicate by letter with MG.
The processing that the BSC of this system described in equally can manner of execution embodiment carries out, therefore, this system can cooperate execution graph 4 to processing shown in Figure 7 with MG and MGC equally, and reaches similar effects, be described before the concrete processing procedure, no longer repeat here.
Fig. 9 is a structured flowchart according to the system that sets up of the medium face of the embodiment of the invention, and as shown in Figure 9, this system comprises:
Set up module 93, be arranged at the media gateway side, be connected to test module 92, be used for, trigger the medium face by the IP address notification that address of at least one address centering is right to Media Gateway Controller and set up in the circuit domain call process.
In addition, each module according in the said system of present embodiment shown in Fig. 9 can be arranged among the MG, also can be independent of MG is provided with and communicates with MG, part of module can also be arranged among the MG, and another part is independent of the MG setting, and design this paper enumerates no longer one by one particularly.
The processing that the MG of this system described in equally can manner of execution embodiment carries out, therefore, this system can cooperate execution graph 4 to processing shown in Figure 7 with BSC and MGC equally, and reaches similar effects, be described before the concrete processing procedure, no longer repeat here.
By means of above-mentioned processing, give BSC by MGC with one or more medium face IP address notifications of MG, perhaps give MG with one or more medium face IP address notifications of BSC by MGC, make one among MG and the BSC enough to measure according to the IP address of local terminal and the other side's IP address, definite IP address that can communicate with each other, and then under the situation that needs are commenced business, select the IP address to carry out the medium face and set up according to measurement result, thereby can improve face foundation of A mouth medium and calling ratio of success by measuring, guarantee the normal execution of communication, avoid unavailable or connection fault to influence the problem of communication owing to the IP address.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. the method for building up of a medium face is characterized in that, comprising:
Base station controller receives at least one the IP address from Media Gateway Controller, wherein, and the medium face IP address that a described IP address is a media gateway;
Described base station controller is tested the connectedness between at least one the 2nd IP address and described at least one IP address, determine at least one address to and be notified to described media gateway via described Media Gateway Controller, wherein, each address is to comprising one the one IP address and one the 2nd IP address that communicates with each other, the medium face IP address that described the 2nd IP address is described base station controller;
In the circuit domain call process, described base station controller and described media gateway according to described at least one address to setting up the medium face.
2. method for building up according to claim 1 is characterized in that, further comprises:
Media gateway is given described Media Gateway Controller with described at least one IP address notification in advance.
3. method for building up according to claim 1 is characterized in that, the connectedness that described base station controller is tested between at least one the 2nd IP address and described at least one IP address comprises:
For one the one IP address and one the 2nd IP address, described base station controller sends the Ping order according to the 2nd IP address, and carries an IP address and the 2nd IP address in described Ping order;
If described media gateway receives described Ping order, then return described Ping order, and in the described Ping order of returning, carry an IP address and the 2nd IP address according to an IP address of carrying in the described Ping order;
Receive at described base station controller under the situation of the described Ping order of returning, judge that an IP address and the 2nd IP address communicate with each other.
4. method for building up according to claim 1 is characterized in that, described base station controller and described media gateway comprise setting up the medium face according to described at least one address:
Described base station controller receives the first assigned ip address from described Media Gateway Controller, wherein, the first assigned ip address is described media gateway from an address of described at least one address centering to selecting and be notified to an IP address of described Media Gateway Controller;
Described base station controller is given described Media Gateway Controller with the second assigned ip address notification, so that described Media Gateway Controller is given described media gateway with the described second assigned ip address notification, wherein, to belong to same address right in the described first assigned ip address of described second assigned ip address and selection.
5. method for building up according to claim 4 is characterized in that, the described first assigned ip address of selection is notified to described base station controller by described Media Gateway Controller by Assignment Command.
6. method for building up according to claim 4 is characterized in that, described base station controller comprises to described Media Gateway Controller the second assigned ip address notification:
Described base station controller is given described Media Gateway Controller by the assignment acknowledgement command with the described second assigned ip address notification.
7. according to each described method for building up in the claim 1 to 6, it is characterized in that the operation that described base station controller receives from least one IP address of Media Gateway Controller comprises:
Under the situation that the reset operation of described base station controller and described Media Gateway Controller finishes, described base station controller receives at least one the IP address from described Media Gateway Controller; Perhaps,
Under described media gateway registration case of successful, described base station controller receives at least one the IP address from described Media Gateway Controller; Perhaps,
Upgrade in described media gateway under the situation of an IP address, described base station controller receives at least one the IP address from described Media Gateway Controller; Perhaps,
Described base station controller is with predetermined period reception at least one IP address from described Media Gateway Controller.
8. the method for building up of a medium face is characterized in that, comprising:
Media gateway receives at least one the IP address from Media Gateway Controller, wherein, and the medium face IP address that a described IP address is a base station controller;
Described media gateway is tested the connectedness between at least one the 2nd IP address and described at least one IP address, determine at least one address to and be notified to described base station controller via described Media Gateway Controller, wherein, each address is to comprising one the one IP address and one the 2nd IP address that communicates with each other, the medium face IP address that described the 2nd IP address is described media gateway;
In the circuit domain call process, described base station controller and described media gateway according to described at least one address to setting up the medium face.
9. method for building up according to claim 8 is characterized in that, the connectedness that described media gateway is tested between at least one the 2nd IP address and described at least one IP address comprises:
For one the one IP address and one the 2nd IP address, described media gateway sends the Ping order according to an IP address, and carries an IP address and the 2nd IP address in described Ping order;
If described base station controller receives described Ping order, then return described Ping order, and in the described Ping order of returning, carry an IP address and the 2nd IP address according to the 2nd IP address of carrying in the described Ping order;
Receive in described media gateway under the situation of the described Ping order of returning, judge that an IP address and the 2nd IP address communicate with each other.
10. according to Claim 8 or 9 described method for building up, it is characterized in that the operation that described media gateway receives from least one IP address of Media Gateway Controller comprises:
Under described media gateway registration case of successful, described media gateway receives at least one the IP address from described Media Gateway Controller; Perhaps,
Upgrade in described media gateway under the situation of an IP address, described media gateway receives at least one the IP address from described Media Gateway Controller; Perhaps,
Described media gateway is with predetermined period reception at least one IP address from described Media Gateway Controller.
11. according to Claim 8 or 9 described method for building up, it is characterized in that described base station controller and described media gateway comprise setting up the medium face according to described at least one address:
Described base station controller receives the second assigned ip address from described Media Gateway Controller, wherein, the second assigned ip address is described media gateway from an address of described at least one address centering to selecting and be notified to the 2nd IP address of described Media Gateway Controller;
Described base station controller is given described Media Gateway Controller with the first assigned ip address notification, so that described Media Gateway Controller is given described media gateway with the described first assigned ip address notification, wherein, to belong to same address right in the described second assigned ip address of described first assigned ip address and selection.
12. the system that sets up of a medium face is characterized in that, comprising:
Receiver module is arranged at side of base station controller, is used to receive at least one the IP address from Media Gateway Controller, wherein, and the medium face IP address that a described IP address is a media gateway;
Test module, be arranged at side of base station controller, be used to test the connectedness between at least one the 2nd IP address and described at least one IP address, determine at least one address to and be notified to described media gateway, wherein, each address is to comprising one the one IP address and one the 2nd IP address that communicates with each other, the medium face IP address that described the 2nd IP address is described base station controller;
Set up module, be arranged at the media gateway side, be used for, trigger the medium face by the IP address notification that address of described at least one address centering is right to Media Gateway Controller and set up in the circuit domain call process.
13. the system that sets up of a medium face is characterized in that, comprising:
Receiver module is arranged at the media gateway side, is used to receive at least one the IP address from Media Gateway Controller, wherein, and the medium face IP address that a described IP address is a base station controller;
Test module, be arranged at the media gateway side, be used to test the connectedness between at least one the 2nd IP address and described at least one IP address, determine at least one address to and be notified to described base station controller, wherein, each address is to comprising one the one IP address and one the 2nd IP address that communicates with each other, the medium face IP address that described the 2nd IP address is described media gateway;
Set up module, be arranged at the media gateway side, be used for, trigger the medium face by the IP address notification that address of described at least one address centering is right to Media Gateway Controller and set up in the circuit domain call process.
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