CN101662806A

CN101662806A - Service controlling and processing method, mobility management entity and user equipment

Info

Publication number: CN101662806A
Application number: CN200910091346A
Authority: CN
Inventors: 张朝辉; 丁春燕
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2009-08-18
Filing date: 2009-08-18
Publication date: 2010-03-03

Abstract

The embodiment of the invention relates to a service controlling and processing method, a mobility management entity and user equipment. The service controlling method comprises the following steps: the mobility management entity is used for receiving a first massage which contains call identity TI and is sent by a first call control entity, and sending a second massage containing the TI to a second call control entity; the service processing method comprises: the call identity TI is acquired; and the first massage is sent to the mobility management entity, the TI is carried by the first message, and the second message carrying the TI is sent to a mobile switching center by the mobility management entity. In the embodiment of the invention, the TI is carried in the sent message in the process of circuit switching and returning, so that which calling instance is needed to be controlled is indicated by the TI, and the business service quality can be improved.

Description

Professional control and processing method, Mobility Management Entity and subscriber equipment

Technical field

The present invention relates to communication technical field, relate in particular to a kind of professional control and processing method, Mobility Management Entity and subscriber equipment.

Background technology

Growth along with data service, GPRS (General Packet Radio Service, hereinafter to be referred as: GPRS), enhanced data rates for gsm evolution (Enhanced Data Rate for GSMEvolution, hereinafter to be referred as: EDGE) network can't satisfy the demand of people for growing data service, therefore 3GPP has defined Long Term Evolution/System Architecture Evolution (Long Term Evolution/System Architecture Evolution, hereinafter to be referred as: framework LTE/SAE), the LTE/SAE framework provides higher bandwidth, the faster data forwarding speed.But subscriber equipment (User Equipment, hereinafter to be referred as: UE) can't be concomitantly at circuit switching (the Circuit Switched of LTE and 3GPP, hereinafter to be referred as: CS) the enterprising industry in territory is engaged in, when terminal just can't be passed through CS territory access network during by the LTE access network, just can't insert the LTE networking simultaneously during by CS territory access network, cause the user can't enjoy the high-speed data service of LTE and the high-quality speech business in CS territory simultaneously.

In order to solve this technical problem, 3GPP defined the CS rollback (CS Fallback, hereinafter to be referred as: CSFB).So-called CSFB is, and when the UE that inserts LTE need make a call, UE switched to the CS territory by a series of step from LTE, thereby makes UE carry out speech business in the CS territory.In like manner, when the UE that inserts LTE needs replay call, network will notify UE its have calling to continue, at this moment UE can switch to the CS territory from LTE equally, carries out speech business in the CS territory.

When in CS, setting up session, set up signaling connection control protocol (SkinnyClient Control Protocol between UE and the MSC, hereinafter to be referred as: SCCP) connect, call setup is on SCCP connects, a SCCP connects can set up one or more than one calling, and calling at this moment just is called a call instance.

In realizing process of the present invention, the inventor finds prior art, and there are the following problems at least: in the process of CSFB, MSC or UE can't indicate and will control at which call instance, have reduced QoS.

Summary of the invention

The embodiment of the invention provides a kind of professional control and processing method, Mobility Management Entity and subscriber equipment, to solve in the prior art in the process of CSFB, MSC or UE can't indicate and will control at which call instance, have reduced QoS.

The embodiment of the invention provides a kind of service control method, comprising:

Mobility Management Entity receives first message that comprises call identity TI that first controlling call entity sends;

Described Mobility Management Entity sends second message that comprises described TI to second controlling call entity.

The embodiment of the invention provides a kind of method for processing business, comprising:

Obtain call identity TI;

Send first message to Mobility Management Entity, carry described TI in described first message, send second message of carrying described TI to mobile switching centre for described Mobility Management Entity.

The embodiment of the invention provides a kind of Mobility Management Entity, comprising:

First receiver module is used to receive first message that comprises call identity TI that first controlling call entity sends;

First sending module is used for sending second message that comprises described TI to second controlling call entity.

The embodiment of the invention also provides a kind of subscriber equipment, comprising:

Acquisition module is used to obtain call identity TI;

Second sending module is used for sending first message to Mobility Management Entity, carries described TI in described first message, sends second message of carrying described TI to mobile switching centre for described Mobility Management Entity.

In the embodiment of the invention, by in the message that sends, carrying TI, thereby to control at which call instance, improve QoS by the TI indication.

Description of drawings

In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, to do to introduce simply to the accompanying drawing of required use among the embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is the flow chart of an embodiment of service control method of the present invention;

Fig. 2 is the signaling process figure of another embodiment of service control method of the present invention;

Fig. 3 is the signaling process figure of another embodiment of service control method of the present invention;

Fig. 4 is the signaling process figure of another embodiment of service control method of the present invention;

Fig. 5 is the flow chart of an embodiment of method for processing business of the present invention;

Fig. 6 is the structural representation of an embodiment of Mobility Management Entity of the present invention;

Fig. 7 is the structural representation of an embodiment of subscriber equipment of the present invention.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.

Fig. 1 is the flow chart of an embodiment of service control method of the present invention, and as shown in Figure 1, the method for present embodiment comprises:

Step 101, Mobility Management Entity receive first message that comprises TI that first controlling call entity sends;

Step 102, Mobility Management Entity send second message that comprises described TI to second controlling call entity.

In the embodiment of the invention, each call instance utilize a call identification (Transaction Identifier, hereinafter to be referred as: TI) identify.The embodiment of the invention is by carrying TI in the message that sends, thereby will control at which call instance by the TI indication, improves QoS.

In embodiment of service control method of the present invention, this first controlling call entity can be UE, and second controlling call entity can be MSC.

Mobility Management Entity (Mobile Management Entity, hereinafter to be referred as: MME) can receive first message that calling UE sends, carry TI information in this first message.

For instance, in the present embodiment, the current access of calling UE LTE network, when needs were initiated audio call, calling UE need switch to the CS territory from the LTE network, thereby makes calling UE carry out audio call in the CS territory, and promptly calling UE need be finished the CSBF process.

In another embodiment of service control method of the present invention, MME described in the step 101 receives first message that comprises TI that first controlling call entity sends, can comprise: MME receives the expansion service request message that UE sends, and carries described TI in the described expansion service request message.MME described in the step 102 sends second message that comprises described TI to second controlling call entity, can comprise: described Mobility Management Entity sends handoff request message to mobile switching centre, carries described TI in the described handoff request message.

Specifically, calling UE can send the expansion service request message to MME in the LTE network, this expansion service request message can be extended services request, can carry the sign of called UE in this expansion service request message, as MSISDN, and, in order to realize that calling UE is after CSFB sets up calling, can carry out business control at certain calling, can carry TI in this expansion service request message.

Receive the expansion service request message extended services request of calling UE transmission as MME after, can know that calling UE need be switched to the CS territory, therefore, MME can be to the base station, send a request message as eNodeB, thereby notice eNodeB calling UE need be carried out the network switching of CSFB.Then, eNodeB can carry out alternately with calling UE, and for example calling UE can be to eNodeB reporting subdistrict signal strength signal intensity, and which CS sub-district eNodeB switches to according to this cell signal strength decision with calling UE.Behind the sub-district that the eNodeB decision is switched and decision will switch to calling UE, can send switch indicating information to MME, last, MME sends handoff request message according to this switch indicating information to MSC again.In the specific implementation process, this handoff request message can be PS to CS handover message, in this handoff request message except the sign of carrying called UE, can also carry TI, make calling UE in the CSFB process, TI is passed to MSC, thereby make MSC obtain this TI, calling that can this TI and this calling UE is current is related, thereby make calling UE in the process of this calling, carry out other business again, when for example call out keeping etc. professional, adopt this TI to identify that UE is follow-up will to be controlled at for which call instance.

In another embodiment of service control method of the present invention, described first message and described second message can also comprise caller ID display and suppress sign, suppress sign for described mobile switching centre according to described caller ID display and carry out the calling number suppressed traffic.

Specifically, MME can obtain caller ID display and suppress sign from first message that calling UE sends, when sending second message to MSC, can in this second message, carry this caller ID display and suppress sign, thereby make the callee side network entity that the number information of calling UE is not provided to called UE, thereby make calling UE can enjoy the caller ID display suppressed traffic.

In another embodiment of service control method of the present invention, described first controlling call entity can be MSC, and described second controlling call entity can be UE.

Mobility Management Entity described in the step 101 receives first message that comprises TI that first controlling call entity sends, can comprise: described Mobility Management Entity receives the call page message that described mobility switching center sends, and carries described TI in the described call page message.Mobility Management Entity described in the step 102 sends second message that comprises described TI to second controlling call entity, can comprise: described Mobility Management Entity sends call page message to subscriber equipment, carries described TI in the described call page message.

Specifically, in the present embodiment, the current access of called UE LTE network.When called UE need be connected this audio call, called UE need switch to the CS territory from the LTE network, thereby made and carry out audio call in the CS territory, and promptly called UE need be finished the CSBF process.Specifically, MSC can send call page message CSpaging to called UE behind the call setup request message that receives calling UE, and promptly first message can be carried TI in this CS paging message.Follow-up implementation can send expansion service request message extended services request to MME for, called UE; MME can know that called UE needs MME that it is switched to the CS territory after receiving extended services request; MME sends switch indicating information to eNodeB, and eNodeB and called UE are carried out alternately, sends the switching feedback message to MME after determining the CS sub-district of switching; MME sends handoff request message to MSC; MSC sends call message ACM to calling UE; MSC and base station sub-system/RNS (Base Station Subsystem/Radio Network Subsystem, hereinafter to be referred as: BSS/RNS) obtain call resources alternately; MSC sends a notification message to MME, notice MME, and the call resources in CS territory is ready; MME sends switching command to eNodeB; ENodeB sends switching command to called UE, and called UE is switched to the CS territory, and called UE can be returned the UERAN/GEREAN network, i.e. the CS territory after receiving switching command; The called UE of knowing BSS/RNC is finished Indication message HO complete to MSC transmission switching after inserting the CS territory, switched to the CS territory with instruct MS C called UE, this moment, MSC was that may command calling UE and called UE are connected audio call, in the process of carrying out this audio call, called UE need be carried out other business, as calling out maintenance etc. when professional, MSC can pass through this TI, knows which call instance called UE will control at.

In the present embodiment, MSC controls call instance according to TI and suppresses sign according to caller ID display and carry out the concrete operations of caller ID display suppressed traffic, can adopt of the prior art any, repeat no more.

In summary, in the present embodiment, UE can be in the CSFB process, the TI value of carrying in the message of MSC by the UE transmission knows which call instance UE will carry out business control at, MSC also can inform which call instance UE will control, improved QoS by the message that transmission carries TI.

Adopt three specific embodiments that service control method of the present invention is elaborated below.

Fig. 2 is the signaling process figure of another embodiment of service control method of the present invention, as shown in Figure 2, what present embodiment was described is in the CSFB process, when UE inserts in the LTE network, TI and caller ID display are suppressed the process that sign passes to MSC simultaneously, and the method for present embodiment can comprise:

Step 201, calling UE send the expansion service request message to MME.

In the present embodiment, calling UE need be initiated audio call, so calling UE can send extended services request to MME.Can carry the sign of called UE in this expansion service request message, as MSISDN, and, in order to make MSC follow-up other business of carrying out in calling procedure of this calling UE is controlled, can also carry TI and caller ID display in this expansion service request message and suppress sign.Wherein, TI can be used to identify the calling of the current initiation of calling UE, and suppresses sign for caller ID display, and MSC is after obtaining caller ID display inhibition sign, when called UE sends call page message, can be not to the number information of called UE display of calling UE.

The bearer capability information that in addition can also carried terminal in extended services request message requires, the audio call that will carry out such as terminal still is that Video calls out, and the coding/decoding information supported of terminal, such as the terminal utilization be G.723, still encoding and decoding speech G.711; Be used to indicate MSC to call out carrying that requires and the encoding and decoding speech information of being utilized specifically.

Step 202, MME send a request message to eNodeB.

MME can send a request message to eNodeB, thereby notice eNodeB calling UE need be carried out the network switching of CSFB.

Step 203, eNodeB and calling UE are carried out alternately, determine the CS sub-district of switching.

For instance, calling UE can be to eNodeB reporting subdistrict signal strength signal intensity, and eNodeB determines according to the cell signal strength that reports which CS sub-district is calling UE switched to then.

Step 204, eNodeB send switch indicating information to MME.

After eNodeB determines switching and definite CS sub-district that will switch to, can send switch indicating information to MME.

Step 205, MME send handoff request message to MSC.

This handoff request message can be PS to CS handover message, thereby request MSC switches to the CS territory with calling UE from the LTE network.Except the sign of carrying called UE, also carry TI and caller ID display and suppress sign in this handoff request message.After MSC is getting access to this TI, calling that can this TI value and this calling UE is current is related, thereby make calling UE in the process of this calling, carry out other business again, when for example call out keeping etc. professional, MSC can be known the calling of TI correspondence, thereby business is carried out in the feasible calling that identifies for UE.When MSC obtains this caller ID display inhibition sign, then MSC is when called UE sends call page message, in call page message, carry caller ID display and suppress sign, thereby make the callee side network entity that the number information of calling UE is not provided to called UE.

The bearer capability information that in addition can also carried terminal in PS to CS handover message requires, the audio call that will carry out such as terminal still is that Video calls out, and the coding/decoding information supported of terminal, such as the terminal utilization be G.723, still encoding and decoding speech G.711; Be used to indicate MSC to call out carrying that requires and the encoding and decoding speech information of being utilized specifically.

Step 206, MSC send setup requests IAM to called UE.

If called UE is at this moment also attached to the LTE network, then called UE also needs to carry out the CSFB process that switches to the CS territory from the LTE network.

Step 207, MSC and BSS/RNS obtain call resources alternately;

Can there be sequencing between step 206 and the step 207.

Particularly, MSC can arrive BSS/RNS place application call resources, after BSS/RNS is ready call resources, can notify MSC.

Step 208, MSC send a notification message to MME, notice MME, and the call resources in CS territory is ready.

Step 209, MME send switching command to eNodeB;

Step 210, eNodeB send switching command to calling UE;

Step 211, calling UE switch to the CS territory.

Calling UE can be returned the UERAN/GEREAN network, i.e. the CS territory after receiving switching command.

Step 212, BSS/RNC know that calling UE inserts the CS territory.

Step 213, BSS/RNC send to switch to MSC and finish Indication message.

This step is BSS/RNC and sends HO complete message to MSC, has switched to the CS territory with instruct MS C calling UE.

Step 214, MSC receive the call message ACM that called UE sends.

MSC is after receiving HO complete message, and this moment, calling UE switched to the CS territory, and this moment, MSC can receive called UE transmission ACM message.

Step 215, MSC send ALERTING message to calling UE.

This ALERTING message can be indicated the calling UE called UE to wait for and be connected.

Step 216, MSC receive the call setup acknowledge message ANM that called UE sends.

Step 217, MSC send connection message connect to calling UE.

After calling UE receives this connect message, set up audio call based on called UE.

In the present embodiment, MSC suppresses sign according to TI and caller ID display and carries out the concrete operations of controlling and processing services, can adopt of the prior art any, repeat no more.

Above-mentioned is to be that the calling subscriber is an example with UE, when UE when called because its call setup flow process and caller are similar, therefore can utilize above-mentioned flow process that information such as TI are passed to MSC equally, realize TI between UE and the MSC synchronously.

In summary, in the present embodiment, in the CSFB process, when UE as caller or when called, can when initiating service request, in service request, carry TI, TI is passed to MSC, TI's is synchronous between realization UE and the MSC, makes MSC can know which call instance UE will carry out business control at by this TI, thereby improves QoS.Further, can also suppress sign by the caller ID display of carrying, suppressing sign for described mobile switching centre according to described caller ID display provides the calling number suppressed traffic.

Fig. 3 is the signaling process figure of another embodiment of service control method of the present invention, and as shown in Figure 3, what present embodiment was described is in the CSFB process, and MSC issues the process of TI to calling UE, and the method for present embodiment can comprise:

Step 301, calling UE send the expansion service request message to MME.

In the present embodiment, calling UE need be initiated audio call, so calling UE can send extended services request to MME.Can carry the sign of called UE in this expansion service request message, as MSISDN, and, for MSC is controlled follow-up other business of carrying out in calling procedure of this calling UE, can also carry caller ID display in this expansion service request message and suppress sign, MSC is after obtaining caller ID display inhibition sign, when called UE sends call page message, in call page message, carry caller ID display and suppress sign, thereby make the callee side network entity that the number information of calling UE is not provided to called UE.

Step 302, MME send a request message to eNodeB.

Step 303, eNodeB and calling UE are carried out alternately, determine the CS sub-district of switching.

Step 304, eNodeB send switch indicating information to MME.

Step 305, MME send handoff request message to MSC.

This handoff request message can be PS to CS handover message, thereby instruct MS C switches to the CS territory with calling UE from the LTE network.Except the sign of carrying called UE, also carry caller ID display and suppress sign in this handoff request message.When MSC obtains this caller ID display inhibition sign, then MSC is when called UE sends call page message, in call page message, carry caller ID display and suppress sign, thereby make the callee side network entity that the number information of calling UE is not provided to called UE.

Step 306, MSC send setup requests IAM to called UE.

Step 307, MSC and BSS/RNS obtain call resources alternately;

Can there be sequencing between step 306 and the step 307.

Step 308, MSC send a notification message to MME, notice MME, and the call resources in CS territory is ready.

Step 309, MME send switching command to eNodeB;

Step 310, eNodeB send switching command to calling UE;

Step 311, calling UE switch to the CS territory.

Step 312, BSS/RNC know that calling UE inserts the CS territory.

Step 313, BSS/RNC send to switch to MSC and finish Indication message.

Step 314, MSC receive the call message ACM that called UE sends.

Step 315, MSC send ALERTING message to calling UE.

This ALERTING message can be indicated the calling UE called UE to wait for and be connected.In the present embodiment, MSC can generate a TI value for the calling of the current initiation of calling UE, and this TI value is carried among this ALERTING message alerting, thereby TI is passed to calling UE.Therefore, carry out other business again in the process of calling UE in this calling, when for example call out keeping etc. professional, MSC can be known the calling of TI correspondence, thereby makes and carry out business for the calling of UE sign.

Step 316, MSC receive the call setup acknowledge message ANM that called UE sends.

Step 317, MSC send connection message connect to calling UE.

In the present embodiment, MSC carries out the concrete operations of controlling and processing services according to business control information, can adopt of the prior art any, repeat no more.

Above-mentioned steps 301UE is independently to MSC transmission caller ID display inhibition sign and step 305MSC to UE transmission TI, does not have mutual dependence.UE also can not send caller ID display to MSC and suppress sign.

In summary, in the present embodiment, in the CSFB process, UE can receive the TI that MSC sends, and when UE initiates service request, can carry this TI in service request, make MSC to know which call instance UE will control at, thereby improve QoS by this TI.

Fig. 4 is the signaling process figure of another embodiment of service control method of the present invention, and as shown in Figure 4, what present embodiment was described is in the CSFB process, when called UE inserts in the LTE network, receives the process of the TI of MSC transmission, and the method for present embodiment can comprise:

Step 401, calling UE send call request message to MSC.

In the present embodiment, calling UE can send call request message to the called UE that inserts the LTE network by MSC.

Step 402, MSC send call page message to MME.

MSC can send call page message CS paging to the MME in the LTE network.Carry the identification information of TI and calling UE in this call page message.The TI value can be used to identify the calling that the current needs of called UE continue, thereby makes called UE in current calling procedure, and when carrying out other business again, can use this this business of TI value sign is at current calling; The identification information of calling UE can be used for providing to called UE the identity information of calling UE.

In CS paging message, can also carry the bearer capability information of network requirement in addition, the audio call that will carry out such as network still is that Video calls out, and the coding/decoding information supported of network terminal, such as network utilisation be G.723, still G.711 encoding and decoding speech is set up calling; Be used to indicate UE to call out carrying that requires and the encoding and decoding speech information of being utilized specifically.

Step 403, MME send to called UE with this call page message.

Called UE is after receiving this call page message CS paging, can know to exist to call out needs it to continue, and can obtain the identification information of calling UE, the number information of for example main UE, can also obtain TI, thereby other business that can use this TI value sign to carry out in this audio call process, thereby other business as the calling that make things convenient for MSC that called UE is carried out in current calling procedure keep carrying out control and treatment.

Step 404, called UE send the expansion service request message to MME.

In the present embodiment, this expansion service request message is extended services request.MME can know that called UE needs MME that it is switched to the CS territory after receiving extended services request.

Step 405, MME send switch indicating information to eNodeB.

This switch indicating information is used to notify the eNodeB called UE need carry out the CSFB switching.

Step 406, eNodeB and called UE are carried out alternately, determine the CS sub-district of switching.

For instance, called UE can be to eNodeB reporting subdistrict signal strength signal intensity, and eNodeB determines according to the cell signal strength that reports which CS sub-district is called UE switched to then.

Step 407, eNodeB send to MME and switch feedback message.

After eNodeB determines switching and definite CS sub-district that will switch to, can send to MME and switch feedback message.

Step 408, MME send handoff request message to MSC.

MME can send PS to CShandover message to MSC according to the switching feedback message of eNodeB transmission, and MSC switches to the CS territory with called UE from the LTE network with request.

Step 409, MSC send call message ACM to calling UE.

Step 410, MSC and BSS/RNS obtain call resources alternately;

Step 411, MSC send a notification message to MME, notice MME, and the call resources in CS territory is ready.

Step 412, MME send switching command to eNodeB;

Step 413, eNodeB send switching command to called UE;

Step 414, called UE switch to the CS territory.

Called UE can be returned the UERAN/GEREAN network, i.e. the CS territory after receiving switching command.

Step 415, BSS/RNC know that called UE inserts the CS territory.

Step 416, BSS/RNC send to switch to MSC and finish Indication message.

This step is BSS/RNC and sends HO complete message to MSC, has switched to the CS territory with instruct MS C called UE.

Step 417, MSC send call setup acknowledge message ANM to calling UE.

This moment, MSC can send ANM to calling UE, carried out audio call thereby make called UE and calling UE connect.In the process of carrying out this audio call, called UE need be carried out other business, and when call out keeping etc. professional, MSC can know that current calling carries out business according to this TI value.

In the present embodiment, MSC carries out the concrete operations of controlling and processing services according to TI, can adopt of the prior art any, repeat no more.

In summary, in the present embodiment, in the CSFB process, UE can receive the TI that MSC sends, and when UE initiates service request, can carry TI in service request, make MSC to know which call instance UE will control at, thereby improve QoS by this TI.

Fig. 5 is the flow chart of an embodiment of method for processing business of the present invention, and as shown in Figure 5, the method for present embodiment can comprise:

Step 501, obtain call identity TI;

For instance, UE can obtain TI, and this process of obtaining TI can adopt any method in the prior art.

Step 502, send first message, carry described TI in described first message, send second message of carrying described TI to mobile switching centre for described Mobility Management Entity to Mobility Management Entity.

UE can send first message to MME, by carry TI in first message, makes MME this TI can be carried in second message of issuing MSC, thereby makes MSC to carry out control and treatment to the follow-up business of UE according to TI.

In the embodiment of the invention, when UE as caller or when called, can be when initiating service request, in service request, carry TI, TI is passed to MSC, TI's is synchronous between realization UE and the MSC, makes MSC can know which call instance UE will carry out business control at by this TI, thereby improves QoS.

In embodiment of method for processing business of the present invention, described first message is the expansion service request message, and described second message is handoff request message.

Specifically, UE can send the expansion service request message to MME in the LTE network, this expansion service request message can be extended services request, can carry the sign of called UE in this expansion service request message, as MSISDN, and, in order to realize that UE is after CSFB sets up calling, can call out at certain and implement to carry out business control, can carry TI in this expansion service request message.

Receive the expansion service request message extended services request of UE transmission as MME after, can know that UE need be switched to the CS territory, therefore, MME can be to the base station, send a request message as eNodeB, switch thereby notice eNodeB UE need carry out the network of CSFB.Then, eNodeB can carry out alternately with UE, and for example UE can be to eNodeB reporting subdistrict signal strength signal intensity, and which CS sub-district eNodeB switches to according to this cell signal strength decision with UE.Behind the sub-district that the eNodeB decision is switched and decision will switch to UE, can send switch indicating information to MME, last, MME sends handoff request message according to this switch indicating information to MSC again.In the specific implementation process, this handoff request message can be PS to CS handover message, except the sign of carrying called UE, can also carry TI in this handoff request message, make UE in the CSFB process, TI is passed to MSC, thereby make MSC obtain this TI, calling that can this TI and this UE is current is related, thereby makes UE carry out other business again in the process of this calling, when for example call out keeping etc. professional, adopt this TI to carry out calling is controlled.

In another embodiment of method for processing business of the present invention, comprise also in described first message and described second message that caller number restriction suppresses sign.

Specifically, MME can obtain caller ID display and suppress sign from first message that UE sends, when sending second message to MSC, can in this second message, carry this caller ID display and suppress sign, thereby make the callee side network entity that the number information of UE is not provided to called UE, thereby make UE can enjoy the caller ID display suppressed traffic.

In the present embodiment, MSC controls calling according to TI and suppresses sign according to caller ID display and carry out the concrete operations of caller ID display suppressed traffic, can adopt of the prior art any, repeat no more.

The method for processing business of present embodiment can make UE in the CSFB process, TI and caller ID display inhibition sign is passed to MSC, thereby make MSC to control for the follow-up calling of UE, thereby improved QoS.

Fig. 6 is the structural representation of an embodiment of Mobility Management Entity of the present invention, and as shown in Figure 6, the MME of present embodiment comprises: first receiver module 11 and first sending module 12.Wherein, first receiver module 11 is used to receive first message that comprises TI that first controlling call entity sends; First sending module 12 is used for sending second message that comprises described TI to second controlling call entity.

In the embodiment of the invention, by in the message that sends, carrying TI, thereby to control at which call instance, thereby improve QoS by the TI indication.

Wherein, described first controlling call entity can be UE, and described second controlling call entity can be MSC.For this situation, first receiver module 11 is used to receive the expansion service request message that described subscriber equipment sends, and carries described TI in the described expansion service request message.First sending module 12 is used for sending handoff request message to mobile switching centre, carry described TI in the described handoff request message, according to described TI business control is carried out in the calling between described mobile switching centre and the described subscriber equipment for described mobile switching centre.In addition, described first message and second message can also comprise caller ID display and suppress sign.

Described first controlling call entity is MSC, and described second controlling call entity is UE.For this situation, first receiver module 11 is used to receive the call page message that described mobility switching center sends, and carries described TI in the described call page message.First sending module 12 is used for sending call page message to subscriber equipment, carries described TI in the described call page message, according to described TI business control is carried out in the calling between described mobile switching centre and the described subscriber equipment for described subscriber equipment.

In the present embodiment, described first message and described second message also comprise the bearer capability information of the described first controlling call entity request and/or the voice coding/decoding capability information that described first controlling call entity possesses.

The MME of present embodiment is identical with the realization principle of the service control method embodiment shown in Fig. 1～4, repeats no more.

The MME of present embodiment, in the CSFB of UE process, the TI value of carrying in the message of MSC by the UE transmission knows which call instance UE will carry out business control at, MSC also can inform which call instance UE will control, improved QoS by the message that transmission carries TI.

Correspondingly, transaction processing system embodiment of the present invention can comprise MME shown in Figure 6.

TI in the CSFB process, when UE initiates service request, can carry in the system of present embodiment in service request, TI is passed to MSC, makes MSC to know which call instance UE will carry out business control at by this TI value.In the CSFB process, MSC also can inform which call instance UE will control by the message that transmission carries TI, make UE can receive the TI that MSC sends, when UE initiates service request, can in service request, carry TI, make MSC to know which call instance is called UE will carry out business control at by this TI.Therefore, the embodiment of the invention can be implemented in the process of CSFB, the TI that MSC sends by UE knows which call instance UE will carry out business control at, and MSC also can inform which call instance UE will control by the message that transmission carries TI, thus the raising QoS.

Fig. 7 is the structural representation of an embodiment of subscriber equipment of the present invention, and as shown in Figure 7, the UE of present embodiment can comprise: the acquisition module 13 and second sending module 14.Wherein, acquisition module 13 is used to obtain TI; Second sending module 14 is used for sending first message to Mobility Management Entity, carries described TI in described first message, sends second message of carrying described TI to mobile switching centre for described Mobility Management Entity.

The UE of present embodiment is identical with the realization principle of method for processing business embodiment shown in Figure 5, repeats no more.

The UE of present embodiment can pass to MSC with TI and caller ID display inhibition sign, thereby make MSC to control for the follow-up calling of UE, thereby improve QoS in the CSFB process.

It should be noted that at last: above embodiment is only in order to technical scheme of the present invention to be described but not limit it, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that: it still can make amendment or be equal to replacement technical scheme of the present invention, and these modifications or be equal to replacement and also can not make amended technical scheme break away from the spirit and scope of technical solution of the present invention.

Claims

1, a kind of service control method is characterized in that, comprising:

2, service control method according to claim 1 is characterized in that, described first controlling call entity is a subscriber equipment, and described second controlling call entity is a mobile switching centre;

Then described Mobility Management Entity receives first message that comprises TI that first controlling call entity sends, comprise: described Mobility Management Entity receives the expansion service request message that described subscriber equipment sends, and carries described TI in the described expansion service request message;

Described Mobility Management Entity sends second message that comprises described TI to second controlling call entity, comprising: described Mobility Management Entity sends handoff request message to mobile switching centre, carries described TI in the described handoff request message.

3, service control method according to claim 1 is characterized in that, described first controlling call entity is a mobile switching centre, and described second controlling call entity is a subscriber equipment;

Then described Mobility Management Entity receives first message that comprises TI that first controlling call entity sends, and comprising: described Mobility Management Entity receives the call page message that described mobility switching center sends, and carries described TI in the described call page message;

Described Mobility Management Entity sends second message that comprises described TI to second controlling call entity, comprising: described Mobility Management Entity sends call page message to subscriber equipment, carries described TI in the described call page message.

4, service control method according to claim 1 and 2, it is characterized in that, described first message and described second message also comprise caller ID display and suppress sign, and suppressing sign for described mobile switching centre according to described caller ID display provides the calling number suppressed traffic.

5, according to the described service control method of arbitrary claim in the claim 1～3, it is characterized in that described first message and described second message also comprise the bearer capability information of the described first controlling call entity request and/or the voice coding/decoding capability information that described first controlling call entity possesses.

6, a kind of method for processing business is characterized in that, comprising:

Obtain call identity TI;

7, method for processing business according to claim 6, it is characterized in that, comprise also in described first message and described second message that caller number restriction suppresses sign, suppress sign for described mobile switching centre according to described caller ID display and carry out the caller ID display suppressed traffic.

According to claim 6 or 7 described method for processing business, it is characterized in that 8, described first message is the expansion service request message, described second message is handoff request message.

9, a kind of Mobility Management Entity is characterized in that, comprising:

10, Mobility Management Entity according to claim 9 is characterized in that, described first controlling call entity is a subscriber equipment, and described second controlling call entity is a mobile switching centre;

Then described first receiver module is used to receive the expansion service request message that described subscriber equipment sends, and carries described TI in the described expansion service request message;

Described first sending module is used for sending handoff request message to mobile switching centre, carries described TI in the described handoff request message.

11, Mobility Management Entity according to claim 9 is characterized in that, described first controlling call entity is a mobile switching centre, and described second controlling call entity is a subscriber equipment;

Then described first receiver module is used to receive the call page message that described mobility switching center sends, and carries described TI in the described call page message;

Described first sending module is used for sending call page message to subscriber equipment, carries described TI in the described call page message.

According to claim 9 or 10 described Mobility Management Entity, it is characterized in that 12, described first message and second message also comprise caller ID display and suppresses sign.

13, according to the described Mobility Management Entity of arbitrary claim in the claim 9～11, it is characterized in that described first message and described second message also comprise the bearer capability information of the described first controlling call entity request and/or the voice coding/decoding capability information that described first controlling call entity possesses.

14, a kind of subscriber equipment is characterized in that, comprising:

Acquisition module is used to obtain call identity TI;

15, subscriber equipment according to claim 14 is characterized in that, comprises also in described first message and described second message that caller number restriction suppresses sign.