CN1845635A - Rapid call building method - Google Patents
Rapid call building method Download PDFInfo
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- CN1845635A CN1845635A CNA2005100633024A CN200510063302A CN1845635A CN 1845635 A CN1845635 A CN 1845635A CN A2005100633024 A CNA2005100633024 A CN A2005100633024A CN 200510063302 A CN200510063302 A CN 200510063302A CN 1845635 A CN1845635 A CN 1845635A
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Abstract
The disclosed method to build calling fast comprises: the calling user sends request contained called user information for building connection to the network; the network calls the called user according to the information, and configures the channel source between calling and called users; once receiving information, the called user sends request for building connection to the network; the network configures channel source according to called user request; both the calling and called users send calling to network to build complete information; the network notifies them for dialogue and ends calling build process. This invention saves time to meet cluster users request.
Description
Technical field
The present invention relates to the communications field, refer to a kind of method of calling out quick foundation especially.
Background technology
Existing mobile communication standard stipulates the call setup flow process, and the call setup flow process of 3G (Third Generation) Moblie (3G) standard that shows with Fig. 1 is that example is illustrated below, and this flow process may further comprise the steps:
Step 11: Calling Side is called out and is connected the process of setting up.This step specifically comprises:
111, set up the signaling connection of Uu interface between calling subscriber UE1 and the wireless access network (UTRAN).Described Uu interface is meant the interface between calling subscriber UE1 and the UTRAN.
The Radio Resource control (RRC, RadioResource Control) that this step is set up between calling subscriber UE1 and the UTRAN connects, and promptly the signaling of Uu interface connects.It is the prerequisite that UE inserts UTRAN that RRC connects the process of setting up, and it provides the passage of signaling transmission between UE and the UTRAN.This step is finished by the transmission of three message:
1, calling subscriber UE1 sends RRC connection request (RRC CONNECTIONREQUEST) to UTRAN.
When the mobile subscriber makes a call, at first to set up the link of command transmitting,, require to set up RRC and connect so calling subscriber UE1 at first sends RRC CONNECTION REQUEST message to UTRAN in this step on the CCCH channel.This message comprises: calling subscriber UE1 identifies (Initial UEIdentity) and call setup reason (Establishment Cause).Calling subscriber UE1 informs the reason of its identity of UTRAN and access network by this message.
2, after UTRAN receives RRC CONNECTION REQUEST, send the RRC connection to calling subscriber UE1 and set up message (RRC CONNECTION SETUP).
If UTRAN allows calling subscriber UE1 access network, then on the CCCH channel, send RRC CONNECTION SETUP message to calling subscriber UE1, UTRAN indicates the state of its access network to calling subscriber UE1 by this message.This message comprises: the physic channel information and the transmitting channel information that are used to set up the aerial signaling connection that UTRAN distributes for calling subscriber UE1, and such as setting up information such as the employed frequency of signaling channel, code channel and time slot.
3, calling subscriber UE1 receives that the connection of UTRAN sets up message, replys RRC connection setup complete message (RRC CONNECTION SETUP COMPLETE).
After calling subscriber UE1 receives the RRC CONNECTION SETUP message of expectation, connect required physical channel and transmission channel according to the information configuration aerial signaling that carries in the message, and send RRC CONNECTION SETUP COMPLETE message to UTRAN by up DCCH channel, finish RRC and connect the process of setting up.
Through the message transmission of step 111, calling subscriber UE1 and UTRAN set up the link of command transmitting on wave point.
112, calling subscriber UE1 is connected with the signaling that core net (CN) is set up the Iu interface.Described Iu interface is meant the interface between UTRAN and the core net (CN).This process is finished by two direct-sending messages:
1, calling subscriber UE1 sends initial direct-sending (INITIALDIRECT TRANSFER) message to UTRAN on the Uu interface, this message comprises: initial Non-Access Stratum (NAS, Non AccessStraum) service request (CM SERVICE REQUEST) message, and user identification code, KSI and CN relam identifier etc.
After UTRAN receives the INITIAL DIRECT TRANSFER message of calling subscriber UE1, send Initial UE Message message to CN, the signaling of setting up the Iu interface with CN is connected, with the NAS message CN that direct transfers.
2, after CN receives Initial UE Message message,, then give calling subscriber UE1 to reply with CM SERVICE ACCEPT message if agree the service request of calling subscriber UE1.
113, the calling subscriber UE1 request of making a call sends to CN with called user information.This process is finished by two direct-sending messages:
1, the controlling call entity of calling subscriber UE1 sends SETUP message to CN.SETUP message comprises: session identification (TI), bearer properties (BEAR CAPABILITY), called user information and with call out relevant parameter.Described called user information is meant called number (CALLEDPARTY BCD NUMBER) and called subscriber subaddressing information such as (CALLED PARTYSUBADDRESS).
2, CN enters " call out and initiate " state after receiving SETUP message, the call information that this message comprises is analyzed, and replied CALL PROCEEDING message to calling subscriber UE1, informs that calling subscriber UE1 is by testing and handling call request.
114, CN sets up the service bearer of calling subscriber UE1 and network side.This process is finished by four message:
1, CN sends RAB ASSIGNMENT REQUEST message to UTRAN, and the RNC among the request UTRAN sets up one or more RAB for calling subscriber UE1.In setting up the message of RAB, this request comprises QoS parameters such as RAB ID, NAS indicate synchronously, RAB parameter, user plane information, transport layer information, so that RNC distributes rational service resources for calling subscriber UE1 according to these parameters.
2, after RNC finishes the traffic channel configuration of Iu interface, on the DCCH channel, distribute the traffic channel information of Uu interface for calling subscriber UE1 by RadioBearer Setup message.Described RBSetup message mainly has the physic channel information and the transmitting channel information that are used for the air traffic connection that RNC distributes for calling subscriber UE1.
3, after calling subscriber UE1 receives RB Setup message,, and after finishing new configuration, send Radio Bearer SetupComplete message informing RNC by the DCCH channel according to the parameter configuration Traffic Channel of carrying in the message.So far, calling subscriber UE1 can transmit business information such as speech on the Traffic Channel of new configuration.
4, RNC has assigned the RAB that calling subscriber UE1 carries out by RAB Assignment Response message informing CN.The calling of Calling Side connects the process of setting up and finishes.
Step 12:CN is by Paging message calling called subscriber UE2.
The purpose of above-mentioned paging is UE of the call request paging that ends in another UE that CN is initiated for calling subscriber UE1, and this process is used towards connectionless signaling.
Step 13, callee side are called out and are connected the process of setting up.This step specifically comprises:
131, set up the signaling connection of Uu interface between called subscriber UE2 and the UTRAN.This process is identical with step 111, repeats no more herein.
132, called subscriber UE2 is connected with the signaling that CN sets up the Iu interface.This step is finished by following process:
1, called subscriber UE2 sends INITIAL DIRECT TRANSFER message to UTRAN, and this message comprises page response (PAGING RESPONCE).
2, UTRAN sends Initial UE Message message to CN after receiving this message, and the signaling of setting up the Iu interface connects.
133, CN makes a call to called subscriber UE2.This process is finished by two direct-sending messages:
1, CN sends setup requests to called subscriber UE2;
2, called subscriber UE2 answering call is confirmed (CALL CONFIRMED) message.
134, CN sets up the service bearer of called subscriber UE2 and network side.This process is identical with step 114, repeats no more herein.
After the service bearer of step 14, called subscriber UE2 was set up and finished, called subscriber UE2 can send ALERTING message to CN, and CN receives the ringring prompting that sends ALERTING message trigger calling subscriber UE1 after this message to calling subscriber UE1.
Behind step 15, the called subscriber UE2 off-hook, can send Connect message to CN, show that the called subscriber answers the call, this moment, CN also sent CONNECT message to calling subscriber UE1, showed that calling/called user can begin conversation.
Step 16, calling subscriber UE1 back response message CONNECT ACKNOWLEDGE, whole call establishment is finished.
In the said process, calling subscriber UE1 and called subscriber UE2 can be among the same UTRAN, also can be among the different UTRAN.
From said process as can be seen, existing call-establishing method adopts the calling and called side to set up the calling ways of connecting in proper order.After the calling connection foundation of Calling Side was finished, CN just sent PAGING message to callee side, began to set up the calling connection of callee side.Though the calling connection that this method can be avoided callee side occurring is set up successfully, and the calling of Calling Side connects the situation appearance of setting up failure, this call-establishing method increase calling establishment time delay.The calling establishment time delay that adopts this method is Calling Side calling establishment time delay and callee side calling establishment time delay sum, generally speaking all greater than 5s.In mobile communication system, if a certain call request requires to realize calling out fast to set up, make call delay less than 5s, existing call-establishing method can't satisfy this demand.
In addition, existing trunking communication develops to the direction of cluster common network gradually, promptly with 3G standards such as mobile communication standard especially TD-SCDMA, WCDMA and CDMA2000, as the service bearer standard of trunking communication.Because the application of trunking communication has particularity, so trunking communication having relatively high expectations to call setup, generally require calling establishment time delay to be not more than 1s, far can not satisfy cluster user for calling out the requirement of setting up fast so directly utilize existing this call-establishing method to carry out trunking communication.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method of calling out quick foundation, makes mobile communication system can realize calling out quick foundation.
For achieving the above object, technical scheme of the present invention specifically is achieved in that
A kind of method of calling out quick foundation is applied in the mobile communications network, and network side comprises wireless access network and core net, it is characterized in that, this method may further comprise the steps:
A, calling subscriber send to network side and connect the request of foundation, and this connection request of setting up comprises called user information, and network side is according to the called user information calling called subscriber;
Network side is set up request configuration calling subscriber and network channels resource according to calling subscriber's connection simultaneously;
B, the called subscriber who receives beep-page message send to network side and connect the request of foundation, and network side is set up request configuration called subscriber and network channels resource according to called subscriber's connection;
C, finish calling/called user after the channel resource configuration and send call setup to network side respectively and finish message, network side receives notifies calling/called user to converse after call setup is finished message, and call establishment finishes.
Preferably, the method for calling/called user of described configuration and network channels resource is:
After wireless access network receives calling/called user's the connection request of setting up,, dispose the channel resource of calling/called user and wireless access network simultaneously for calling/called user disposes the channel resource of wireless access network and core net.
Preferably, described channel resource comprises signal resource and service resources.
Further, the method for the channel resource of described configuration wireless access network and core net is:
A11, wireless access network distribute to be set up the required signal resource of signaling channel and notifies core net;
The signal resource that a12, core net basis receive is set up the signaling channel with wireless access network, and is wireless access network distribution service resource;
The service resources that a13, wireless access network distribute according to step a12 is set up the Traffic Channel of wireless access network and core net.
Further, the method for wireless access network notice core net is among the step a11: wireless access network sends the press-and-talk initial information message that comprises signal resource to core net.
Further, core net is that the method for wireless access network distribution service resource is among the step a12: core net is sent the press-and-talk response message that comprises service resources to wireless access network.
Preferably, the method for the channel resource of calling/called user of described configuration and wireless access network is:
A21, wireless access network are to calling/called user's while assignment signalling resource and service resources;
Signaling channel and Traffic Channel that a22, calling/called user set up calling/called user and wireless access network according to the signal resource and the service resources of step a21 distribution.
Preferably, the method for wireless access network assignment signalling resource and service resources is among the step a21: wireless access network sends the press-and-talk that comprises signal resource and service resources to calling/called user and is connected and sets up message.
Preferably, step a22 further comprises: after calling/called user sets up signaling channel and Traffic Channel, send the press-and-talk connection to affiliated wireless access network and finish message;
Then the described call setup that sends of step c is finished the method for message and is: the press-and-talk that wireless access network receives calling/called user connect finish message after, send call setup to core net and finish message.
As seen from the above technical solution, the method that this calling of the present invention is set up is fast set up the process parallel processing to calling/called user's calling connection, making whole calling establishment time delay is bigger time delay in Calling Side calling establishment time delay and the callee side calling establishment time delay, thereby save user's calling turn-on time, make mobile communication system realize the quick foundation of calling out.When cluster user utilized mobile communication system to carry out man-to-man trunked call, the method that calling of the present invention is set up fast can satisfy cluster user for calling out the requirement of setting up fast.
Simultaneously, the present invention adopts channel assignment method immediately, the RRC process of original assignment signalling resource and the RB process unification of distribution service resource are PTT RRC process, required signaling of user and service resources are distributed in same process, thereby reduce calling/called side calling establishment time delay, further reduce call set-up time.
In addition, this method is also carried out necessary transformation to the call setup flow process of existing mobile communication system, newly-increased PTT RRC CONNECTION REQUEST message, and in this message, add information unit such as called user information, thereby save too much signalling interactive process, reach the purpose of saving call set-up time.
Description of drawings
Fig. 1 is the call setup flow chart of 3-G (Generation Three mobile communication system) in the prior art;
Fig. 2 realizes calling out the flow chart of setting up fast in a preferred embodiment of the present invention.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in more detail.
In mobile communication system, the calling subscriber makes a call to single called subscriber by portable terminal.Fig. 2 shows is that flow process is set up in the calling of a preferred embodiment of the present invention fast, and this calling utilizes existing mobile communication network, specifically comprises:
Described " press-and-talk " RRC connection request comprises following content: calling subscriber UE1 identifies (InitialUE Identity), call setup reason (Establishment Cause) and called user information.Wherein Establishment cause is the new type of call Terminating PTT Call that adds.Called user information comprises called number and called subscriber subaddressing etc.
Should " press-and-talk " RRC connection request message compare, increase called user information with RRC connection request message of the prior art (RRC CONNECTION REQUEST).Simultaneously, the type of call that carries of " press-and-talk " of the present invention RRC connection request message is Terminating PTT Call.
Step 22, UTRAN send PTT INITIAL MESSAGE to CN after receiving " press-and-talk " RRC connection request, and CN is according to PTT INITIAL MESSAGE calling called subscriber UE2.
The PTT INITIAL MESSAGE that above-mentioned UTRAN sends to CN comprises called user information, and CN finds called subscriber UE2 according to called user information, sends beep-page message to it, and the paging that this beep-page message carries is former because PTT CALL.
In addition, " press-and-talk " RRC connection request message of sending of calling subscriber UE1 also triggers following two processes simultaneously:
One, calling subscriber dispose at the channel resource of Iu interface.Described Iu interface is meant the interface between UTRAN and the CN.This process specifically comprises:
1, UTRAN judges type of call according to the Establishment Cause in the PTT RRC CONNECTION REQUEST message, because this Establishment Cause is the new type of call Terminating PTT Call that adds, so UTRAN sends PTT INITIAL MESSAGE to CN.This PTT INITIAL MESSAGE comprises the signaling channel information that is used to dispose calling subscriber Iu interface.
2, after CN received PTT INITIAL MESSAGE, the signaling of setting up the Iu interface with UTRAN was connected, and distributed Iu interface business channel information by PTT Initial Resp message for the called subscriber; After UTRAN receives PTT Initial Resp message, set up the Traffic Channel of Iu interface for calling subscriber UE1 according to the traffic channel information of Iu interface.
Two, the calling subscriber is in the channel resource configuration of Uu interface.Described Uu interface is meant the air interface between calling subscriber UE1 and the UTRAN.This process specifically comprises:
1, UTRAN judges the type of call setup according to the Establishment Cause in the PTT RRC CONNECTION REQUEST message, because this Establishment Cause is the new type of call Terminating PTT Call that adds, so UTRAN sends PTT RRC CONNECTION SETUP message to calling subscriber UE1, be calling subscriber UE1 configurating channel resource.
Above-mentioned PTT RRC CONNECTION SETUP message comprises the signaling channel information and the traffic channel information of Uu interface.UTRAN initiates the assigning process of resources such as together frequency of signaling and bundling, code channel by this message.This in calling procedure, the method that signaling that the user is required and service resources distribute in same process is called channel assignment method immediately.
2, the signaling of the resource information configuration Uu interface that carries according to PTT RRC CONNECTION SETUP message of calling subscriber UE1 connects and Traffic Channel, and informs UTRAN by PTT RRCCONNECTION SETUP COMPLETE message finishing the configuration back.
In the prior art, the method realization that the process employing is carried out is in proper order set up in above-mentioned calling subscriber's calling connection.UTRAN sets up RRC with calling subscriber UE1 earlier and is connected the signal resource configuration of finishing the Uu interface, sends the signaling connection that Initial UE Message message is set up the Iu interface to CN again.Then, CN is by the service resources of RAB ASSIGNMENT REQUEST distribution of messages calling subscriber Iu interface, and UTRAN distributes the service resources of Uu interface for the calling subscriber behind the configuration messages that receives Iu interface business resource.So far, calling subscriber's calling connects and to set up process and finish.
In the present embodiment, calling subscriber's Iu interface call is connected the process of setting up to be connected with the Uu interface call and to set up the process parallel processing, and adopt immediately channel assignment method distributes signaling and service resources in same process, so reduced the calling establishment time delay of Calling Side to a great extent, shortened user's calling procedure.
In addition, in the prior art, only the channel resource of Iu interface and Uu interface all dispose finish after, CN just can send beep-page message to called subscriber UE2, i.e. the calling of Calling Side connects the process of setting up, and is connected the process of foundation with the calling of callee side be execution in proper order.
In the present embodiment, CN just carries out paging to called subscriber UE2 after receiving PTT INITIAL MESSAGE message, and the calling that triggers callee side connects the process of setting up.Meanwhile, Calling Side is finished the channel resource configuration of Iu interface and Uu interface.So the described quick call establishment method of present embodiment connects the calling of setting up process and callee side to the calling of Calling Side to a certain extent and is connected the process of setting up and carries out parallel processing, thereby has reduced calling establishment time delay, shortening user's calling procedure.
After step 23, called subscriber UE2 receive the beep-page message of CN, send PTT RRC CONNECTION REQUEST message to affiliated UTRAN, the calling of initiating callee side connects the process of setting up.
Above-mentioned PTT RRC CONNECTION REQUEST message comprises: Establishmentcause.The type of this parameter is Terminating PTT Call.
After step 24, UTRAN receive PTT RRC CONNECTION REQUEST message, finish the channel resource configuration of called subscriber UE2.
According to the Establishment cause in the PTT RRC CONNECTION REQUEST message, UTRAN judges that the type of this time calling out is Terminating PTT Call, so carry out following two processes simultaneously:
One, UTRAN send PTT INITIAL MESSAGE to CN.This message comprises the information of configuration called subscriber Iu interface signaling channel.After CN received PTT INITIAL MESSAGE, the signaling of setting up the Iu interface for the called subscriber connected, and sent to UTRAN by the information that PTT Initial Resp message will be used to dispose called subscriber Iu interface business channel; After UTRAN receives PTTInitial Resp message, set up the Traffic Channel of Iu interface for called subscriber UE2 according to the traffic channel information of Iu interface.
Two, UTRAN sends PTT RRC CONNECTION SETUP message to called subscriber UE2, is called subscriber UE2 configurating channel resource.Above-mentioned PTT RRC CONNECTION SETUP message comprises the signaling channel information and the traffic channel information of called subscriber Uu interface.Called subscriber UE2 connects and Traffic Channel according to the signaling of the resource information configuration Uu interface that PTT RRC CONNECTION SETUP message is carried, and informs UTRAN by PTT RRC CONNECTION SETUPCOMPLETE message after finishing configuration.
In the prior art, the method realization that the process employing is carried out is in proper order set up in above-mentioned called subscriber's calling connection.UTRAN sets up RRC with called subscriber UE2 earlier and is connected the signal resource configuration of finishing the Uu interface, sends the Iu interface signaling connection that Initial UE Message message is set up the called subscriber to CN again.Then, CN is by the service resources of RAB ASSIGNMENT REQUEST distribution of messages called subscriber Iu interface, and UTRAN distributes the service resources of Uu interface for the called subscriber behind the configuration messages that receives Iu interface business resource.So far, called subscriber's calling connects and to set up process and finish.
In the present embodiment, called subscriber's Iu interface call is connected the process of setting up to be connected with the Uu interface call and to set up the process parallel processing, and adopt immediately channel assignment method distributes signaling and service resources in same process, so reduced the calling establishment time delay of callee side to a great extent, shortened user's calling procedure.
Step 25, calling/called user reply PTT SETUP COMP message to CN respectively, show that calling/called calling connects foundation and finishes.
On the one hand, UTRAN is after PTT INITIAL RESP that receives the calling subscriber that CN replys and PTT RRC CONNECTION SETUP COMPLETE message that calling subscriber UE1 sends, send PTT SETUP COMP message to CN, show that calling subscriber's connection foundation is finished.
On the other hand, UTRAN is after PTT INITIAL RESP that receives the called subscriber that CN replys and PTT RRC CONNECTION SETUP COMPLETE message that called subscriber UE2 sends, send PTT SETUP COMP message to CN, show that called subscriber's connection foundation is finished.
Step 26, CN notify calling/called user to begin conversation, and call establishment finishes.
After calling/called user finished resource distribution, the CONNECT message informing calling subscriber of CN by Non-Access Stratum can begin conversation, and CN is also with the sign advise called subscriber of the calling subscriber UE1 that makes a call simultaneously.
In the said process, calling subscriber UE1 and called subscriber UE2 can be among the same UTRAN, also can be among the different UTRAN.
Because the method that calling of the present invention is set up fast is in call establishment, calling/called user's calling connects sets up the process parallel processing, and adopt immediately that channel assignment method signaling and the service resources that the user is required distributes in same process, and this method is saved too much signalling interactive process, thereby reduces call set-up time.When cluster user utilized mobile communication system to carry out man-to-man trunked call, the method that calling of the present invention is set up fast can make calling establishment time delay be not more than 1s, thereby satisfied cluster user for calling out the requirement of setting up fast.
By the above embodiments as seen, this quick call establishment method of the present invention is set up the process parallel processing to calling/called user's calling connection, and the signaling and the service resources of process are set up in configuration call connection simultaneously, thereby save user's calling turn-on time, making mobile communication system realize calling out fast sets up, and can be applied in the trunking communication, satisfy cluster user for calling out the demand of setting up fast.
Claims (9)
1, a kind of method of calling out quick foundation is applied in the mobile communications network, and network side comprises wireless access network and core net, it is characterized in that, this method may further comprise the steps:
A, calling subscriber send to network side and connect the request of foundation, and this connection request of setting up comprises called user information, and network side is according to the called user information calling called subscriber;
Network side is set up request configuration calling subscriber and network channels resource according to calling subscriber's connection simultaneously;
B, the called subscriber who receives beep-page message send to network side and connect the request of foundation, and network side is set up request configuration called subscriber and network channels resource according to called subscriber's connection;
C, finish calling/called user after the channel resource configuration and send call setup to network side respectively and finish message, network side receives notifies calling/called user to converse after call setup is finished message, and call establishment finishes.
2, method according to claim 1 is characterized in that, the method for calling/called user of described configuration and network channels resource is:
After wireless access network receives calling/called user's the connection request of setting up,, dispose the channel resource of calling/called user and wireless access network simultaneously for calling/called user disposes the channel resource of wireless access network and core net.
3, method according to claim 2 is characterized in that, described channel resource comprises signal resource and service resources.
4, method according to claim 3 is characterized in that, the method for the channel resource of described configuration wireless access network and core net is:
A11, wireless access network distribute to be set up the required signal resource of signaling channel and notifies core net;
The signal resource that a12, core net basis receive is set up the signaling channel with wireless access network, and is wireless access network distribution service resource;
The service resources that a13, wireless access network distribute according to step a12 is set up the Traffic Channel of wireless access network and core net.
5, method according to claim 4 is characterized in that, the method for wireless access network notice core net is among the step a11: wireless access network sends the press-and-talk initial information message that comprises signal resource to core net.
6, method according to claim 4 is characterized in that, core net is that the method for wireless access network distribution service resource is among the step a12: core net is sent the press-and-talk response message that comprises service resources to wireless access network.
7, method according to claim 3 is characterized in that, the method for the channel resource of calling/called user of described configuration and wireless access network is:
A21, wireless access network are to calling/called user's while assignment signalling resource and service resources;
Signaling channel and Traffic Channel that a22, calling/called user set up calling/called user and wireless access network according to the signal resource and the service resources of step a21 distribution.
8, method according to claim 7, it is characterized in that the method for wireless access network assignment signalling resource and service resources is among the step a21: wireless access network sends the press-and-talk that comprises signal resource and service resources to calling/called user and is connected and sets up message.
9, method according to claim 7 is characterized in that, step a22 further comprises: after calling/called user sets up signaling channel and Traffic Channel, send the press-and-talk connection to affiliated wireless access network and finish message;
Then the described call setup that sends of step c is finished the method for message and is: the press-and-talk that wireless access network receives calling/called user connect finish message after, send call setup to core net and finish message.
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| CNB2005100633024A CN100441041C (en) | 2005-04-06 | 2005-04-06 | Rapid call building method |
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| CN101141711B (en) * | 2007-10-12 | 2010-11-10 | 中兴通讯股份有限公司 | Parallel processing method of cluster system resource establishment |
| WO2010148685A1 (en) * | 2009-12-23 | 2010-12-29 | 中兴通讯股份有限公司 | Method and apparatus for call transfer in multiple-call -center system |
| CN102857882A (en) * | 2011-06-30 | 2013-01-02 | 中兴通讯股份有限公司 | Group calling establishing method, group information sending method, corresponding user equipment (UE) and network element |
| CN105407471A (en) * | 2015-12-29 | 2016-03-16 | 中科创达软件股份有限公司 | Call setup method and system |
| CN107113893A (en) * | 2015-05-29 | 2017-08-29 | 华为技术有限公司 | A kind of carrying establishing method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101132563B (en) * | 2007-09-21 | 2010-06-09 | 中兴通讯股份有限公司 | Method for implementing called terminal fast listening in digital aggregated communication system |
| CN101141711B (en) * | 2007-10-12 | 2010-11-10 | 中兴通讯股份有限公司 | Parallel processing method of cluster system resource establishment |
| WO2010148685A1 (en) * | 2009-12-23 | 2010-12-29 | 中兴通讯股份有限公司 | Method and apparatus for call transfer in multiple-call -center system |
| CN101742004B (en) * | 2009-12-23 | 2013-01-16 | 中兴通讯股份有限公司 | Call transfer method and device in multi-call central system |
| CN102857882A (en) * | 2011-06-30 | 2013-01-02 | 中兴通讯股份有限公司 | Group calling establishing method, group information sending method, corresponding user equipment (UE) and network element |
| CN107113893A (en) * | 2015-05-29 | 2017-08-29 | 华为技术有限公司 | A kind of carrying establishing method and device |
| EP3294035A4 (en) * | 2015-05-29 | 2018-04-25 | Huawei Technologies Co., Ltd. | Method and device for establishing bearer |
| US10425955B2 (en) | 2015-05-29 | 2019-09-24 | Huawei Technologies Co., Ltd. | Bearer setup method and apparatus |
| CN107113893B (en) * | 2015-05-29 | 2020-10-09 | 华为技术有限公司 | Bearer establishment method and device |
| CN105407471A (en) * | 2015-12-29 | 2016-03-16 | 中科创达软件股份有限公司 | Call setup method and system |
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| Publication number | Publication date |
|---|---|
| CN100441041C (en) | 2008-12-03 |
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