CN106332306A - Bearer establishment method and apparatus, media gateway and voice bearer establishment system - Google Patents
Bearer establishment method and apparatus, media gateway and voice bearer establishment system Download PDFInfo
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Abstract
The invention provides a bearer establishment method and apparatus, a media gateway and a voice bearer establishment system. The method comprises the following steps: establishing a first terminal used for causing an out side of a call control BICC relay that is from an Enhanced Mobile Switching Center (eMSC) to a Visit Mobile Switching Centre (VMSC) and is irrelevant to a bearer to carry out voice bearing; sending bearer information of the first terminal to the VMSC, so that the VMSC requests a second Media Gateway (MGW2) to establish a second terminal used for causing an incoming side of the BICC relay from the VMSC to the eMSC to carry out the voice bearing; receiving the bearer information of the second terminal sent by the MGW2 after establishing the second terminal; and sending a user plane initialization request used for turning on the voice bearer of the first terminal and the second terminal to the MGW2 according to the bearer information of the first terminal and the bearer information of the second terminal, and notifying the eMSC and the BICC of the completion of bearer branch establishment. By adoption of the scheme provided by the invention, the problem of overlong voice delay brought by a Single Radio Voice Call Continuity (SRVCC) switching process to users is solved.
Description
Technical field
The present invention relates to communication technical field, particularly relate to carrying establishing method, device, WMG and
Voice bearer sets up system.
Background technology
The continuous business of single channel (Single Radio Voice Call Continuity, SRVCC) is that one makes
IP Multimedia System (the IP Multimedia accessed with Long Term Evolution (Long Term Evolution, LTE)
Subsystem, IMS) voice service network offer single radio voice call continuity solution.Such as Fig. 1 institute
Showing, SRVCC, subscriber equipment (UE) moves to circuit domain dropping (CS) from LTE when, builds
Vertical CS territory calling branch, and by anchor point (SCC AS), by CS branch and former IMS to calling opposite end
Branch connects, thus forms complete calling chain, maintain IMS domain calling can continue after handover into
OK.
The LTE introducing initial stage only considered data service, and along with the development of business, speech business is gradually introduced.
The LTE voice solution of current main-stream, it is simply that dispose IMS network and corresponding application server, carry
For speech business, i.e. based on IMS speech business (VOLTE).
Under the scene selecting VOLTE solution, it is incomplete that the initial stage can face the network coverage, voice call
The problem that may therefore interrupt, and SRVCC technology can be believed at forth generation mobile communication technology (4G)
Number more weak, Generation Mobile Telecommunication System technology (2G), G mobile communication (3G) signal are stronger
Time the voice call of 4G is switched to 3G network, the network problem at 4G initial stage can be solved.Simultaneously
For avoiding all of CS territory mobile switching centre (MSC) to upgrade, independent SRVCC can be disposed and increase
Strong type mobile switching centre (eMSC), supports Sv interface and session initiation protocol (SIP) interface.
EMSC, after the SRVCC handover request receiving mobile management entity (MME), needs to set up two
Road voice bearer branch, the Visited Mobile Switching Center that the first via is fallen after rise to user by interoffice signaling
(VMSC), this interoffice signaling generally carries unrelated Call-Control1 (BICC)；SIP is passed through on second tunnel
Interoffice signaling is to Call-Establish-Success rate (CSCF), and by anchor point (SCC AS), by CS branch and former
IMS connects to calling opposite end branch.In normal SRVCC flow process, only at the BICC of the first via
After carrying foundation completes, just can go to set up the second road SIP carrying.
As it has been described above, SRVCC switching flow is complicated, and it is numerous to relate to network element, is particularly disposing eMSC
Scene under, so how improve switch speed, reduce the voice latency that handoff procedure brings to user, one
It it is directly one of the popular research topic of SRVCC.
Summary of the invention
In order to overcome the above-mentioned problems in the prior art, the invention provides a kind of carrying establishing method,
Device, WMG and voice bearer set up system, this method solve SRVCC handoff procedure to using
The problem that voice latency that family is brought is long.
In order to solve above-mentioned technical problem, the present invention adopts the following technical scheme that
According to one aspect of the present invention, it is provided that a kind of carrying establishing method, it is applied to the first WMG
(MGW1) include described in:
Set up for make enhancement mode mobile switching centre eMSC to Visited Mobile Switching Center VMSC with
The out side carrying unrelated Call-Control1 BICC relaying carries out the first terminal of voice bearer；
The carrying information of described first terminal is sent to described VMSC so that described VMSC request the
Two WMGs (MGW2) are set up for making the BICC of described VMSC to described eMSC relay
Incoming side carries out the second terminal of voice bearer；
Receive the carrying information of described second terminal sent after described MGW2 sets up described second terminal；
According to the carrying information of described first terminal and the carrying information of described second terminal to described MGW2
Send the user face initialization requests being used for connecting the voice bearer of described first terminal and described second terminal,
And notify that described eMSC, BICC carry branch and set up.
Wherein, described foundation is used for making enhancement mode mobile switching centre eMSC to Visited Mobile Switching Center
The out side of the Call-Control1 BICC relaying unrelated with carrying of VMSC carries out the first terminal of voice bearer
Step, particularly as follows:
Receive described eMSC and receive the continuous business of single channel that mobile management entity MME sends
The first terminal sent after SRVCC handover request sets up request；
Set up for making the BICC of eMSC to VMSC relay according to the request of setting up of described first terminal
Out side carries out the first terminal of voice bearer.
Wherein, the described step that the carrying information of described first terminal is sent to VMSC, particularly as follows:
When described first terminal has been set up, send first terminal to described eMSC and be successfully established response letter
Breath so that described eMSC initiates BICC initial request, wherein said first terminal to described VMSC
It is successfully established the carrying information all carrying described first terminal in response message and described BICC initial request.
Wherein, described VMSC asks the second media gateway MGW 2 foundation to be used for making described VMSC arrive
The Incoming side of the BICC relaying of described eMSC carries out the step of the second terminal of voice bearer, particularly as follows:
Described VMSC receives the carrying information carrying described first terminal of described eMSC transmission
BICC initial request, sending the second terminal foundation according to described BICC initial request to described MGW2 please
Ask so that described MGW2 sets up for making what the BICC of described VMSC to described eMSC relayed to enter
Office side carries out the second terminal of voice bearer, and when described second terminal has been set up, to described VMSC
Reply the second terminal and be successfully established response message.
Wherein, the carrying information of the described carrying information according to described first terminal and described second terminal is to institute
State MGW2 to send at the beginning of the user face of voice bearer connecting described first terminal and described second terminal
After beginningization request, described method also includes:
When described first terminal and the voice bearer access failure of described second terminal, notify described eMSC institute
State BICC carrying branch sets up unsuccessfully so that described eMSC to described VMSC transmission BICC voice hold
Carry releasing request, send session initiation protocol SIP voice bearer releasing request to Call-Establish-Success rate CSCF.
According to another aspect of the present invention, additionally provide a kind of carrying and set up device, be applied to the first media
Gateway MGW1, described device includes:
Set up module, be used for making enhancement mode mobile switching centre eMSC to visiting in mobile switch for foundation
The out side of the Call-Control1 BICC relaying unrelated with carrying of heart VMSC carries out the first of voice bearer
Terminal；
Sending module, for being sent to described VMSC by the carrying information of described first terminal so that described
VMSC asks the second media gateway MGW 2 to be set up for making described VMSC to described eMSC's
The Incoming side of BICC relaying carries out the second terminal of voice bearer；
Receiver module, for receiving described second sent after described MGW2 sets up described second terminal eventually
The carrying information of end；
Connect module, be used for the carrying information according to described first terminal and the carrying information of described second terminal
The user being used for connecting the voice bearer of described first terminal and described second terminal is sent to described MGW2
Face initialization requests, and notify described eMSC, BICC carries branch and has set up.
Wherein, described module of setting up includes:
Receive unit, receiving, for receiving described eMSC, the single channel that mobile management entity MME sends
The first terminal sent after business SRVCC handover request continuously sets up request；
Set up unit, be used for making eMSC to VMSC for setting up request foundation according to described first terminal
The out side of BICC relaying carry out the first terminal of voice bearer.
Wherein, described sending module includes:
Request unit, for when described first terminal has been set up, sends first terminal to described eMSC
It is successfully established response message so that described eMSC initiates BICC initial request to described VMSC, its
Described in first terminal be successfully established in response message and described BICC initial request and all carry described first
The carrying information of terminal.
Wherein, described sending module also includes:
Trigger element, for trigger described VMSC receive described eMSC send carry described first
The BICC initial request of the carrying information of terminal, according to described BICC initial request to described MGW2
Send the second terminal and set up request so that described MGW2 sets up and is used for making described VMSC to described eMSC
The Incoming side of BICC relaying carry out the second terminal of voice bearer, and set up in described second terminal
Time, reply the second terminal to described VMSC and be successfully established response message.
Wherein, described device also includes:
Release module, for during when described first terminal and the voice bearer access failure of described second terminal, logical
Know that described in described eMSC, BICC carrying branch sets up unsuccessfully so that described eMSC is to described VMSC
Send BICC voice bearer releasing request, send session initiation protocol SIP to Call-Establish-Success rate CSCF
Voice bearer releasing request.
According to another aspect of the present invention, additionally provide a kind of WMG, including carrying described above
Set up device.
According to another aspect of the present invention, additionally provide a kind of voice bearer and set up system, including: mobile
Management entity MME, enhancement mode mobile switching centre eMSC, the second media gateway MGW 2, visit move
Dynamic switching centre VMSC, Call-Establish-Success rate CSCF and WMG described above.
The invention has the beneficial effects as follows:
The carrying establishing method of the present invention, when setting up BICC and carrying branch, respectively by successively setting up use
Carry out in the out side making the BICC of eMSC to VMSC relay voice bearer first terminal and for
The Incoming side making the BICC of VMSC to eMSC relay carries out the second terminal of voice bearer, and
Two terminals have been set up, and MGW1 knows the carrying information of the second terminal, and MGW2 knows first terminal
Carrying information after, when connecting the voice bearer of first terminal and the second terminal, it is only necessary to send for connecting
User face initialization requests, it is not necessary to wait message to be answered, directly notify eMSC, BICC carrying point
Zhi Jianli completes so that the user face initialization procedure of MGW and eMSC set up the second road SIP carrying
Process can synchronize to carry out, and improves the speed of SRVCC switching flow to a certain extent.
Accompanying drawing explanation
Fig. 1 represents the SRVCC switching flow principle schematic of prior art；
Fig. 2 represents the carrying establishing method flow chart of the embodiment of the present invention；
One of Fig. 3 carrying establishing method applicating flow chart representing the embodiment of the present invention；
Fig. 4 represents the two of the carrying establishing method applicating flow chart of the embodiment of the present invention；
Fig. 5 represents that apparatus structure block diagram is set up in the carrying of the embodiment of the present invention；
Fig. 6 represents the structured flowchart setting up module of the embodiment of the present invention；
Fig. 7 represents the structured flowchart of the sending module of the embodiment of the present invention.
Detailed description of the invention
It is more fully described the exemplary embodiment of the disclosure below with reference to accompanying drawings.Although accompanying drawing shows
The exemplary embodiment of the disclosure, it being understood, however, that may be realized in various forms the disclosure and should be by
Embodiments set forth here is limited.On the contrary, it is provided that these embodiments are able to be best understood from this
Open, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.
Embodiment one
According to one aspect of the present invention, it is provided that a kind of carrying establishing method, it is applied to MGW1, should
Method, first, sets up and is used for making enhancement mode mobile switching centre eMSC to Visited Mobile Switching Center
The out side of the Call-Control1 BICC relaying unrelated with carrying of VMSC carries out the first terminal of voice bearer；
Then, the carrying information of described first terminal is sent to described VMSC so that described VMSC asks
Second media gateway MGW 2 is set up for making what the BICC of described VMSC to described eMSC relayed to enter
Office side carries out the second terminal of voice bearer；Again, receive after described MGW2 sets up described second terminal
The carrying information of described second terminal sent；Finally, according to the carrying information of described first terminal and described
The carrying information of the second terminal sends to described MGW2 and is used for connecting described first terminal and described second eventually
The user face initialization requests of the voice bearer of end, and notify described eMSC, BICC carries branch and sets up
Complete.
Therefore, the carrying establishing method of the embodiment of the present invention, it is possible to make the voice bearer and of first terminal
The connection process of the voice bearer of two terminals, the course synchronization of setting up carrying branch with SIP is carried out, necessarily
Shorten the voice latency that handoff procedure brings to user in degree, improve user's experience.
As in figure 2 it is shown, the method includes:
Step S21, foundation are used for making enhancement mode mobile switching centre eMSC to Visited Mobile Switching Center
The out side of the Call-Control1 BICC relaying unrelated with carrying of VMSC carries out the first terminal of voice bearer.
Wherein, step S21 specifically includes:
Receive described eMSC and receive the continuous business of single channel that mobile management entity MME sends
The first terminal sent after SRVCC handover request sets up request；
Set up for making the BICC of eMSC to VMSC relay according to the request of setting up of described first terminal
Out side carries out the first terminal of voice bearer.
When user terminal moves to CS territory from LTE net, this user terminal can send a switching to MME
Request, this handover request then can be informed to eMSC by Sv interface by MME so that eMSC is to MGW1
Send the foundation request of first terminal.Wherein, eMSC is sent to MGW1 by the extension information of H248
First terminal sets up request.After MGW1 receives this foundation request, first terminal can be set up so that eMSC
The out side voice bearer of the BICC relaying of VMSC can be got at.
Step S23, the carrying information of described first terminal is sent to described VMSC so that described VMSC
The second media gateway MGW 2 is asked to be set up for making the BICC of described VMSC to described eMSC relay
Incoming side carry out the second terminal of voice bearer.
Wherein, described VMSC asks the second media gateway MGW 2 foundation to be used for making described VMSC arrive
The Incoming side of the BICC relaying of described eMSC carries out the step of the second terminal of voice bearer, particularly as follows:
Described VMSC receives the carrying information carrying described first terminal of described eMSC transmission
BICC initial request, sending the second terminal foundation according to described BICC initial request to described MGW2 please
Ask so that described MGW2 sets up for making what the BICC of described VMSC to described eMSC relayed to enter
Office side carries out the second terminal of voice bearer, and when described second terminal has been set up, to described VMSC
Reply the second terminal and be successfully established response message.
In the carrying establishing method of the embodiment of the present invention, after first terminal is successfully established, need first terminal
Carrying information, i.e. the out side bearer related information of eMSC, inform VMSC, in order to VMSC
Request MGW2 sets up the second terminal so that VMSC can get at the Incoming side of the BICC relaying of eMSC
Carry out voice bearer.
Wherein, MGW1, after first terminal has been set up, sends first terminal to described eMSC and sets up
Success response information, the carrying information notification eMSC, eMSC of first terminal will receive first terminal
After being successfully established response message, with the form of BICC initial request, the carrying information notification of first terminal is given
VMSC。
Wherein, set up first terminal, i.e. set up the first voice channel；Set up the second terminal, i.e. set up second
Voice channel；And when the voice bearer of first terminal and the voice bearer of the second terminal are connected, the i.e. first voice
When passage and the second voice channel are connected, BICC carries branch and is just successfully established.
Step S25, receive described MGW2 and set up described second terminal that sends after described second terminal
Carrying information.
Wherein, when the second terminal has been set up, MGW2 replys second terminal to VMSC and is created as
Merit response message, and by the carrying information of the second terminal, i.e. the Incoming side bearer related information of VMSC,
Inform VMSC so that VMSC returns BICC application transmission message to eMSC, wherein carries second
The carrying information of terminal.
Step S27, according to the carrying information of described first terminal and the carrying information of described second terminal to institute
State MGW2 to send at the beginning of the user face of voice bearer connecting described first terminal and described second terminal
Beginningization is asked, and notifies described eMSC, and BICC carries branch and set up.
Wherein, between laboratory environment, MGW, initialization requests institute in user face is in the case of route is less,
MGW sends this initialization requests, takes around 0.5 second to receiving response, but in actual application, should
Numerical value may also have certain increase, extremely affects the experience of user.
But, the carrying establishing method of the embodiment of the present invention, the carrying letter of first terminal is known at MGW2
After breath, when connecting the voice bearer of first terminal and the second terminal, it is only necessary to send the user face for connecting
Initialization requests, it is not necessary to wait message to be answered, directly notifies that eMSC, BICC carry branch and set up
Become so that the user face initialization procedure of MGW and eMSC set up SIP carrying ramifying can be same
Step is carried out, and improves the speed of SRVCC switching flow to a certain extent, and then improves user's use
Experience.
But, if user face initializes unsuccessfully, i.e. the voice bearer of first terminal and the voice of the second terminal holds
Load is not turned on, then eMSC needs to discharge BICC carrying branch simultaneously and SIP carries the voice in branch
Carrying.Therefore, after step s25, described method also includes:
When described first terminal and the voice bearer access failure of described second terminal, notify described eMSC institute
State BICC carrying branch sets up unsuccessfully so that described eMSC to described VMSC transmission BICC voice hold
Carry releasing request, send session initiation protocol SIP voice bearer releasing request to Call-Establish-Success rate CSCF.
The carrying establishing method of the embodiment of the present invention, applies as shown in Figure 3 and Figure 4 in SRVCC switches.
Wherein, in the case of user face initializes successfully, as shown in Figure 3:
Step 301, eMSC receive the SRVCC handover request of MME；
Step 302, eMSC prepare the out side voice bearer relayed to the BICC of VMSC, to
MGW 1 initiates first terminal and sets up request；
Step 303, MGW1 set up first terminal, and return success response to eMSC, and by first
The carrying information of terminal, i.e. the out side bearer related information of eMSC informs eMSC；
After step 304, terminal have been set up, eMSC initiates BICC to the VMSC of the actual falling of user
Initial request, wherein carries the out side bearer related information of eMSC；
After step 305, VMSC receive BICC initial request, initiate the second terminal to MGW2 and set up
Request, prepares Incoming side voice bearer；
Step 306, MGW2 set up terminal, and return success response to VMSC, by the second terminal
The Incoming side bearer related information of carrying information, i.e. VMSC, informs VMSC；
After step 307, terminal have been set up, VMSC returns BICC application transmission message to eMSC,
Wherein carry the Incoming side bearer related information of VMSC；
Step 308, receive the carrying information of far-end after, eMSC initiates out lateral terminal to MGW1 and repaiies
Change request, will the carrying information notification of the second terminal to MGW1, wherein carry VMSC Incoming side
Bearer related information；
Step 309, MGW1 return success response to eMSC；
Step 310, MGW1 initiate to be used for connecting described first terminal and described second terminal to MGW2
The user face initialization requests of voice bearer；
Step 311, MGW1 are after sending user face initialization requests, without waiting for the response of MGW2,
Directly notice eMSC interoffice carrying foundation completes；
Step 312, eMSC return push-notification-answer to MGW1；
Step 313, simultaneously MGW2 initialize successfully, to MGW1 after receiving user face initialization requests
Return and initialize success response；
Step 314, first via BICC voice bearer have been set up, and eMSC sends SIP to CSCF and builds
Vertical request, begins setting up the second road voice bearer.Wherein, step 313 and step 314 are the most parallel
's.
If MGW2 user face initializes unsuccessfully, i.e. the voice bearer of first terminal and the language of the second terminal
Sound carrying be not turned on, then MGW2 returns failure response to MGW1, idiographic flow as shown in Figure 4:
Step 401～412 identical with above-mentioned steps 301～312, here is omitted；
Step 413, first via BICC voice bearer have been set up, and eMSC sends SIP to CSCF and builds
Vertical request, begins setting up the second road voice bearer；
Step 414, simultaneously MGW2 initialize unsuccessfully after receiving user face initiating request message, to
MGW1 returns failure response；
After step 415, MGW1 receive initialization failure response, notice eMSC carrying is set up unsuccessfully；
Step 416, eMSC initiate releasing request to VMSC, discharge BICC voice bearer；
Step 417, eMSC1 initiate releasing request to CSCF, discharge SIP voice bearer.
Embodiment two
It is another aspect of embodiment according to the present invention, additionally provides a kind of carrying and set up device, be applied to
MGW1, as it is shown in figure 5, this device 500 includes:
Set up module 501, be used for making enhancement mode mobile switching centre eMSC hand over to visit is mobile for foundation
The out side of the Call-Control1 BICC relaying unrelated with carrying of switching center9 VMSC carries out voice bearer
First terminal；
Sending module 503, for being sent to described VMSC by the carrying information of described first terminal so that
Described VMSC asks the second media gateway MGW 2 foundation to be used for making described VMSC to described eMSC
The Incoming side of BICC relaying carry out the second terminal of voice bearer；
Receiver module 505, sets up, for receiving described MGW2, described the sent after described second terminal
The carrying information of two terminals；
Connect module 507, be used for the carrying information according to described first terminal and the carrying of described second terminal
Information sends the voice bearer for connecting described first terminal and described second terminal to described MGW2
User face initialization requests, and notify described eMSC, BICC carries branch and has set up.
Alternatively, as shown in Figure 6, described module 501 of setting up includes:
Receive unit 5011, receiving what mobile management entity MME sent for receiving described eMSC
The first terminal sent after single channel continuous business SRVCC handover request sets up request；
Set up unit 5012, be used for making eMSC arrive for setting up request foundation according to described first terminal
The out side of the BICC relaying of VMSC carries out the first terminal of voice bearer.
Alternatively, as it is shown in fig. 7, described sending module 503 includes:
Request unit 5031, for when described first terminal has been set up, to described eMSC transmission the
One terminal is successfully established response message so that described eMSC initiates BICC to described VMSC initially please
Asking, wherein said first terminal is successfully established in response message and described BICC initial request and has all carried
State the carrying information of first terminal.
Alternatively, as it is shown in fig. 7, described sending module 503 also includes:
Trigger element 5032, described for triggering carrying of described VMSC reception described eMSC transmission
The BICC initial request of the carrying information of first terminal, according to described BICC initial request to described
MGW2 sends the second terminal and sets up request so that described MGW2 sets up and is used for making described VMSC arrive
The Incoming side of the BICC relaying of described eMSC carries out the second terminal of voice bearer, and whole described second
When end foundation completes, reply the second terminal to described VMSC and be successfully established response message.
Alternatively, as it is shown in figure 5, described device also includes:
Release module 509, is used for when described first terminal and the voice bearer access failure of described second terminal,
Notify that described in described eMSC, BICC carrying branch sets up unsuccessfully so that described eMSC is to described VMSC
Send BICC voice bearer releasing request, send session initiation protocol SIP to Call-Establish-Success rate CSCF
Voice bearer releasing request.
Embodiment three
According to another aspect of the embodiment of the present invention, additionally provide a kind of WMG, including described above
Carrying set up device.
Embodiment four
According to another aspect of the embodiment of the present invention, additionally provide a kind of voice bearer and set up system, including:
Mobile management entity MME, enhancement mode mobile switching centre eMSC, the second media gateway MGW 2, visit
Visit mobile switching centre VMSC, Call-Establish-Success rate CSCF and WMG described above.
Above-described is the preferred embodiment of the present invention, it should be pointed out that for the ordinary people of the art
For Yuan, some improvements and modifications can also be made under without departing from principle premise of the present invention, these
Improvements and modifications are the most within the scope of the present invention.
Claims (12)
1. a carrying establishing method, is applied to the first media gateway MGW 1, it is characterised in that described side
Method includes:
Set up for make enhancement mode mobile switching centre eMSC to Visited Mobile Switching Center VMSC with
The out side carrying unrelated Call-Control1 BICC relaying carries out the first terminal of voice bearer；
The carrying information of described first terminal is sent to described VMSC so that described VMSC request the
Two media gateway MGWs 2 set up the Incoming for making the BICC of described VMSC to described eMSC relay
Side carries out the second terminal of voice bearer；
Receive the carrying information of described second terminal sent after described MGW2 sets up described second terminal；
According to the carrying information of described first terminal and the carrying information of described second terminal to described MGW2
Send the user face initialization requests being used for connecting the voice bearer of described first terminal and described second terminal,
And notify that described eMSC, BICC carry branch and set up.
2. the method for claim 1, it is characterised in that described foundation is used for making enhancement mode move friendship
In the Call-Control1 BICC unrelated with carrying of switching center9 eMSC to Visited Mobile Switching Center VMSC
The out side continued carries out the step of the first terminal of voice bearer, particularly as follows:
Receive described eMSC and receive the continuous business of single channel that mobile management entity MME sends
The first terminal sent after SRVCC handover request sets up request；
Set up for making the BICC of eMSC to VMSC relay according to the request of setting up of described first terminal
Out side carries out the first terminal of voice bearer.
3. the method for claim 1, it is characterised in that described by the carrying letter of described first terminal
Breath is sent to the step of VMSC, particularly as follows:
When described first terminal has been set up, send first terminal to described eMSC and be successfully established response letter
Breath so that described eMSC initiates BICC initial request, wherein said first terminal to described VMSC
It is successfully established the carrying information all carrying described first terminal in response message and described BICC initial request.
4. method as claimed in claim 3, it is characterised in that described VMSC asks the second WMG
MGW2 sets up and carries out voice for the Incoming side making the BICC of described VMSC to described eMSC relay
Second terminal of carrying, particularly as follows:
Described VMSC receives the carrying information carrying described first terminal of described eMSC transmission
BICC initial request, sending the second terminal foundation according to described BICC initial request to described MGW2 please
Ask so that described MGW2 sets up for making what the BICC of described VMSC to described eMSC relayed to enter
Office side carries out the second terminal of voice bearer, and when described second terminal has been set up, to described VMSC
Reply the second terminal and be successfully established response message.
5. the method for claim 1, it is characterised in that the described carrying according to described first terminal
The carrying information of information and described second terminal send to described MGW2 be used for connecting described first terminal and
After the user face initialization requests of the voice bearer of described second terminal, described method also includes:
When described first terminal and the voice bearer access failure of described second terminal, notify described eMSC,
Described BICC carries branch and sets up unsuccessfully so that described eMSC sends BICC voice to described VMSC
Carrying releasing request, sending the release of session initiation protocol SIP voice bearer to Call-Establish-Success rate CSCF please
Ask.
6. a device is set up in carrying, is applied to the first media gateway MGW 1, it is characterised in that described dress
Put and include:
Set up module, be used for making enhancement mode mobile switching centre eMSC to visiting in mobile switch for foundation
The out side of the Call-Control1 BICC relaying unrelated with carrying of heart VMSC carries out the first of voice bearer
Terminal；
Sending module, for being sent to described VMSC by the carrying information of described first terminal so that described
VMSC asks the second media gateway MGW 2 to be set up for making described VMSC to described eMSC's
The Incoming side of BICC relaying carries out the second terminal of voice bearer；
Receiver module, for receiving described second sent after described MGW2 sets up described second terminal eventually
The carrying information of end；
Connect module, be used for the carrying information according to described first terminal and the carrying information of described second terminal
The user being used for connecting the voice bearer of described first terminal and described second terminal is sent to described MGW2
Face initialization requests, and notify described eMSC, BICC carries branch and has set up.
7. device as claimed in claim 6, it is characterised in that described module of setting up includes:
Receive unit, receiving, for receiving described eMSC, the single channel that mobile management entity MME sends
The first terminal sent after business SRVCC handover request continuously sets up request；
Set up unit, be used for making eMSC to VMSC for setting up request foundation according to described first terminal
The out side of BICC relaying carry out the first terminal of voice bearer.
8. device as claimed in claim 6, it is characterised in that described sending module includes:
Request unit, for when described first terminal has been set up, sends first terminal to described eMSC
It is successfully established response message so that described eMSC initiates BICC initial request to described VMSC, its
Described in first terminal be successfully established in response message and described BICC initial request and all carry described first
The carrying information of terminal.
9. device as claimed in claim 8, it is characterised in that described sending module also includes:
Trigger element, for trigger described VMSC receive described eMSC send carry described first
The BICC initial request of the carrying information of terminal, according to described BICC initial request to described MGW2
Send the second terminal and set up request so that described MGW2 sets up and is used for making described VMSC to described eMSC
The Incoming side of BICC relaying carry out the second terminal of voice bearer, and set up in described second terminal
Time, reply the second terminal to described VMSC and be successfully established response message.
10. device as claimed in claim 6, it is characterised in that described device also includes:
Release module, for during when described first terminal and the voice bearer access failure of described second terminal, logical
Know that described eMSC, described BICC carry branch and set up unsuccessfully so that described eMSC is to described VMSC
Send BICC voice bearer releasing request, send session initiation protocol SIP to Call-Establish-Success rate CSCF
Voice bearer releasing request.
11. 1 kinds of WMGs, it is characterised in that include holding as described in claim 6～10 any one
Load sets up device.
12. 1 kinds of voice bearers set up system, it is characterised in that including: mobile management entity MME, increasing
Strong type mobile switching centre eMSC, the second media gateway MGW 2, Visited Mobile Switching Center VMSC,
Call-Establish-Success rate CSCF and WMG as claimed in claim 11.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510386137.XA CN106332306A (en) | 2015-06-30 | 2015-06-30 | Bearer establishment method and apparatus, media gateway and voice bearer establishment system |
| PCT/CN2016/075785 WO2017000584A1 (en) | 2015-06-30 | 2016-03-07 | Bearer establishment method and apparatus, media gateway and voice bearer establishment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510386137.XA CN106332306A (en) | 2015-06-30 | 2015-06-30 | Bearer establishment method and apparatus, media gateway and voice bearer establishment system |
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| CN106332306A true CN106332306A (en) | 2017-01-11 |
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| CN201510386137.XA Pending CN106332306A (en) | 2015-06-30 | 2015-06-30 | Bearer establishment method and apparatus, media gateway and voice bearer establishment system |
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| WO (1) | WO2017000584A1 (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101217788A (en) * | 2008-01-08 | 2008-07-09 | 中兴通讯股份有限公司 | A calling method to start a successive operation of multimedia conversation |
| US20090268635A1 (en) * | 2008-04-29 | 2009-10-29 | Gallagher Michael D | Method and Apparatus for Mapping E-UTRAN Cells at Call Establishment |
| CN101841836A (en) * | 2009-03-19 | 2010-09-22 | 华为技术有限公司 | Switching optimization method, switching device and system |
| WO2010127511A1 (en) * | 2009-05-08 | 2010-11-11 | 华为技术有限公司 | Method, device and system for srvcc switching and its data transmission |
| CN102088681A (en) * | 2009-12-03 | 2011-06-08 | 华为技术有限公司 | Method, equipment and system for processing voice call continuity service |
| CN102474783A (en) * | 2009-08-07 | 2012-05-23 | 上海贝尔股份有限公司 | Method and device for reducing interrupt time when handing over voice over ip (VoIP) call |
| CN102469100A (en) * | 2010-11-08 | 2012-05-23 | 中兴通讯股份有限公司 | Method and system for achieving continuous single-mode voice conversation service |
| US20140370886A1 (en) * | 2013-06-17 | 2014-12-18 | Blackberry Limited | Call continuity when moving from one communication session to another communication session |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0712386D0 (en) * | 2007-06-26 | 2007-08-01 | Samsung Electronics Co Ltd | Enabling ue access domain selection for terminated speech/video calls |
| CN100574348C (en) * | 2007-07-27 | 2009-12-23 | 中兴通讯股份有限公司 | A kind of method that realizes user determination user busy forward shifting |
| EP2633709A1 (en) * | 2010-10-28 | 2013-09-04 | Nokia Siemens Networks Oy | Reducing latency in circuit switched data calls |
-
2015
- 2015-06-30 CN CN201510386137.XA patent/CN106332306A/en active Pending
-
2016
- 2016-03-07 WO PCT/CN2016/075785 patent/WO2017000584A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101217788A (en) * | 2008-01-08 | 2008-07-09 | 中兴通讯股份有限公司 | A calling method to start a successive operation of multimedia conversation |
| US20090268635A1 (en) * | 2008-04-29 | 2009-10-29 | Gallagher Michael D | Method and Apparatus for Mapping E-UTRAN Cells at Call Establishment |
| CN101841836A (en) * | 2009-03-19 | 2010-09-22 | 华为技术有限公司 | Switching optimization method, switching device and system |
| WO2010127511A1 (en) * | 2009-05-08 | 2010-11-11 | 华为技术有限公司 | Method, device and system for srvcc switching and its data transmission |
| CN102474783A (en) * | 2009-08-07 | 2012-05-23 | 上海贝尔股份有限公司 | Method and device for reducing interrupt time when handing over voice over ip (VoIP) call |
| CN102088681A (en) * | 2009-12-03 | 2011-06-08 | 华为技术有限公司 | Method, equipment and system for processing voice call continuity service |
| CN102469100A (en) * | 2010-11-08 | 2012-05-23 | 中兴通讯股份有限公司 | Method and system for achieving continuous single-mode voice conversation service |
| US20140370886A1 (en) * | 2013-06-17 | 2014-12-18 | Blackberry Limited | Call continuity when moving from one communication session to another communication session |
Non-Patent Citations (1)
| Title |
|---|
| 刘晨: "SRVCC优化方案研究及改进", 《中国优秀硕士学位论文全文数据库》 * |
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