CN106791241A

CN106791241A - A kind of coding/decoding negotiation method and call controller

Info

Publication number: CN106791241A
Application number: CN201611131350.7A
Authority: CN
Inventors: 陈璇; 葛瑾; 童磊; 任驰; 赵雨田
Original assignee: China United Network Communications Group Co Ltd
Current assignee: China United Network Communications Group Co Ltd
Priority date: 2016-12-09
Filing date: 2016-12-09
Publication date: 2017-05-31
Anticipated expiration: 2036-12-09
Also published as: CN106791241B

Abstract

The application provides a kind of coding/decoding negotiation method and call controller, is related to the communications field, ensure that the voice coding/decoding capability that calling and called are finally negotiated is concentrated comprising target code encoding/decoding mode, can carry out speech business based on the target code encoding/decoding mode.Including：Called end call controller obtains caller coding/decoding capability collection and called coding/decoding capability collection；Caller coding/decoding capability collection and called coding/decoding capability concentrate at least one include target coding/decoding capability information；Called end call controller determines speech business coding/decoding capability collection according to caller coding/decoding capability collection and called coding/decoding capability collection；Speech business coding/decoding capability collection includes target coding/decoding capability information, so that called end call controller and/or calling terminal call controller determine target medium gateway according to target coding/decoding capability information and carry the speech business between calling terminal and terminal called using target medium gateway.

Description

A kind of coding/decoding negotiation method and call controller

Technical field

The present invention relates to the communications field, more particularly to a kind of coding/decoding negotiation method and call controller.

Background technology

With the introducing of VOLTE (Voice over Long Term Evolution, Long Term Evolution speech business) network Development, high definition speech business progresses into the sight line of people.High definition voice uses code mode, can be than traditional voice encoding and decoding side Formula provides more preferable MOS (Mean Opinion Score, Mean Opinion Score) value, and Consumer's Experience is more preferable.Therefore, high-quality is selected Encoding and decoding speech technology and equipment be speech service quality important leverage.

Hung under the next MSC of existing network infrastructure (Mobile Switching Center, mobile switching centre) server Multiple MGW (Media GateWay, WMG), based on the network structure, by following mistake during speech business foundation Cheng Jinhang encoding and decoding speech is consulted：Calling terminal initiates the call request message of paging terminal called, and caller is carried in the message The voice coding/decoding capability information that terminal is supported；The MSC server of calling terminal receives the call request message, obtains language therein Sound coding/decoding capability information, removes the coding/decoding information itself do not supported, generates new coding/decoding capability information, and by the information It is sent to the MSC server of called end；The MSC server of called end receives the new coding/decoding capability information, removes oneself not The coding/decoding information of support, it is determined that eventually for the coding/decoding capability information for setting up speech business, and serviced to the MSC of calling terminal Device replys the coding/decoding capability information for determining；Finally, the MSC server of calling terminal and the MSC server of called end are according to final The coding/decoding capability information of determination sets up the voice bearer between calling terminal and terminal called.

It can be seen that, when voice coding/decoding capability negotiation is carried out, the network element that voice request information passes through can be by certainly for prior art The code encoding/decoding mode removal that oneself does not support.In this way, for certain class code encoding/decoding mode (such as：High definition voice encoding and decoding mode), as long as There is the network element for not supporting this code encoding/decoding mode in network element (network element that i.e. voice request information passes through) end to end, setting up This code encoding/decoding mode is may result in when the voice request message of speech business is by the network element to be removed, then cause final negotiation All the time this code encoding/decoding mode is not included in the voice coding/decoding capability for going out.Voice cannot be carried out based on expected code encoding/decoding mode Business, causes that the MOS values of speech business are relatively low, and Consumer's Experience is bad.

The content of the invention

The present invention implements to provide a kind of coding/decoding negotiation method and call controller, has an equipment to support certain end-to-end During class code encoding/decoding mode, the voice coding/decoding capability that calling and called terminal is finally negotiated is concentrated comprising the code encoding/decoding mode, can Speech business is carried out based on the code encoding/decoding mode, the MOS values of speech business are improved, optimizes Consumer's Experience.

To reach above-mentioned purpose, embodiments of the invention are adopted the following technical scheme that：

In a first aspect, a kind of coding/decoding negotiation method is disclosed, including：

Called end call controller obtains caller coding/decoding capability collection and called coding/decoding capability collection；Solution is compiled in the caller Code capability set and the called coding/decoding capability concentrate at least one include target coding/decoding capability information；

The called end call controller is according to the caller coding/decoding capability collection and the called coding/decoding capability collection Determine speech business coding/decoding capability collection；Institute's voice traffic coding/decoding capability collection includes the target coding/decoding capability information, So that the called end call controller and/or calling terminal call controller determine mesh according to the target coding/decoding capability information Mark WMG simultaneously carries the speech business between calling terminal and terminal called using the target medium gateway.

With reference in a first aspect, in the first possible implementation of first aspect, the called end call controller Called coding/decoding capability collection is obtained to specifically include：

Coding/decoding capability information according to called end WMG determines called end WMG coding/decoding capability collection, according to Called end wireless coding and decoding ability information determines called end wireless coding and decoding capability set, the coding/decoding capability letter according to terminal called Breath determines terminal called coding/decoding capability collection；

According to the called end WMG coding/decoding capability collection, the called end wireless coding and decoding capability set and described Terminal called coding/decoding capability collection determines the called coding/decoding capability.

With reference to the first possible implementation of first aspect, in second possible implementation of first aspect In, it is described according to the called end WMG coding/decoding capability collection, it is the called end wireless coding and decoding capability set, described called Terminal coding/decoding capability collection determines that the called coding/decoding capability collection is specifically included：

Determine the called end WMG coding/decoding capability collection, the called end wireless coding and decoding capability set and the quilt It is the common factor of terminal coding/decoding capability collection；

If the called end WMG coding/decoding capability collection, the called end wireless coding and decoding capability set and described called The common factor that terminal coding/decoding capability integrates is empty set, then it is determined that the called end wireless coding and decoding capability set is compiled comprising the target During decoding capacity information, the target coding/decoding capability information generation institute in the called end wireless coding and decoding capability set State called coding/decoding capability collection；

If the called end WMG coding/decoding capability collection, the called end wireless coding and decoding capability set and described called Whether the common factor that terminal coding/decoding capability integrates is nonvoid set, then judge that the called end WMG coding/decoding capability is concentrated and include The target coding/decoding information, if the called end WMG coding/decoding capability is concentrated includes the target coding/decoding information, The target coding/decoding capability information then concentrated according to the called end WMG coding/decoding capability generates the called volume Decoding capability collection；If the called end WMG coding/decoding capability is concentrated does not include the target coding/decoding information, by institute State called end WMG coding/decoding capability collection and be defined as the called coding/decoding capability collection.

With reference to the first possible implementation of first aspect, in the third possible implementation of first aspect In,

Then, it is described according to the called end WMG coding/decoding capability collection, the called end wireless coding and decoding capability set, The terminal called coding/decoding capability collection determines that the called coding/decoding capability collection is specifically included：

Determine first set, the first set is the called end WMG coding/decoding capability collection, the called end The common factor of wireless coding and decoding capability set and the terminal called coding/decoding capability collection；

If the called end WMG coding/decoding capability is concentrated includes the target coding/decoding capability information, according to institute State called end WMG coding/decoding capability and concentrate the target coding/decoding capability information generation target coding/decoding capability for including Collection；

Determine the common factor of the first set and the target coding/decoding capability collection；

If it is empty set that the first set integrates with the target coding/decoding capability intersection of sets, it is determined that the target compiles solution Code capability set is the caller coding/decoding capability collection；

If it is nonvoid set that the first set integrates with the target coding/decoding capability intersection of sets, it is determined that first collection It is the caller coding/decoding capability collection to close with the target coding/decoding capability intersection of sets collection.

With reference to any one in the first to the third possible implementation of first aspect or first aspect, first In 4th kind of possible implementation of aspect, the called end call controller according to the caller coding/decoding capability collection and The called coding/decoding capability collection determines that speech business coding/decoding capability collection is specifically included：

Determine the common factor of the caller coding/decoding capability collection and the called coding/decoding capability collection；

If the common factor that the caller coding/decoding capability collection integrates with the called coding/decoding capability is empty set, it is determined that institute's predicate Sound business coding/decoding capability collection includes the caller coding/decoding capability collection and the called coding/decoding capability；

If the common factor that the caller coding/decoding capability collection integrates with the called coding/decoding capability is nonvoid set, it is determined that described Speech business coding/decoding capability collection is the common factor of the caller coding/decoding capability collection and the called coding/decoding capability collection.

Second aspect, discloses a kind of coding/decoding negotiation method, including：

Calling terminal call controller determines caller coding/decoding capability collection；

The calling terminal call controller sends the caller coding/decoding capability collection to the called end call controller, with Toilet states called end call controller and determines voice industry according to the caller coding/decoding capability collection and called coding/decoding capability collection Business coding/decoding capability collection；Institute's voice traffic coding/decoding capability collection includes the target coding/decoding capability information, and the caller is compiled Decoding capability collection and the called coding/decoding capability concentrate at least one include target coding/decoding capability information；

The calling terminal call controller receives institute's voice traffic encoding and decoding that the called end call controller sends Capability set.

With reference to second aspect, in the first possible implementation of second aspect, the calling terminal call controller Determine that caller coding/decoding capability collection is specifically included：

Coding/decoding capability information according to calling terminal WMG determines calling terminal WMG coding/decoding capability collection, according to Calling terminal wireless coding and decoding ability information determines calling terminal wireless coding and decoding capability set, the coding/decoding capability letter according to calling terminal Breath determines calling terminal coding/decoding capability collection；

According to the calling terminal WMG coding/decoding capability collection, the calling terminal wirelessly compile coding/decoding capability collection and The calling terminal coding/decoding capability collection determines the called coding/decoding capability.

With reference to the first possible implementation of second aspect, in second possible implementation of second aspect In, it is described that coding/decoding capability collection, Yi Jisuo are wirelessly compiled according to the calling terminal WMG coding/decoding capability collection, the calling terminal State calling terminal coding/decoding capability collection and determine that the called coding/decoding capability is specifically included：

Determine the calling terminal WMG coding/decoding capability collection, the calling terminal wireless coding and decoding capability set and the master It is the common factor of terminal coding/decoding capability collection；

If the calling terminal WMG coding/decoding capability collection, the calling terminal wireless coding and decoding capability set and the caller The common factor that terminal coding/decoding capability integrates is empty set, then it is determined that the calling terminal wireless coding and decoding capability set is compiled comprising the target During decoding capacity information, the target coding/decoding capability information generation institute in the calling terminal wireless coding and decoding capability set State caller coding/decoding capability collection；

If the calling terminal WMG coding/decoding capability collection, the calling terminal wireless coding and decoding capability set and the caller Whether the common factor that terminal coding/decoding capability integrates is nonvoid set, then judge that the calling terminal WMG coding/decoding capability is concentrated and include The target coding/decoding information, if the calling terminal WMG coding/decoding capability is concentrated includes the target coding/decoding information, The target coding/decoding capability information then concentrated according to the calling terminal WMG coding/decoding capability generates the caller and compiles Decoding capability collection；If the calling terminal WMG coding/decoding capability is concentrated does not include the target coding/decoding information, by institute State calling terminal WMG coding/decoding capability collection and be defined as the caller coding/decoding capability collection.

With reference to the first possible implementation of second aspect, in the third possible implementation of second aspect In,

Then, it is described according to the calling terminal WMG coding/decoding capability collection, the calling terminal wireless coding and decoding capability set, The calling terminal coding/decoding capability collection determines that the caller coding/decoding capability collection is specifically included：

Determine second set, the second set is the calling terminal WMG coding/decoding capability collection, the calling terminal The common factor of wireless coding and decoding capability set and the calling terminal coding/decoding capability collection；

If the calling terminal WMG coding/decoding capability is concentrated includes the target coding/decoding capability information, according to institute State calling terminal WMG coding/decoding capability and concentrate the target coding/decoding capability information generation target coding/decoding capability for including Collection；

Determine the common factor of the second set and the target coding/decoding capability collection；

If it is empty set that the second set integrates with the target coding/decoding capability intersection of sets, it is determined that the target compiles solution Code capability set is the caller coding/decoding capability collection；

If it is nonvoid set that the second set integrates with the target coding/decoding capability intersection of sets, it is determined that second collection It is the caller coding/decoding capability collection to close with the target coding/decoding capability intersection of sets collection.

The third aspect, discloses a kind of called end call controller, including：

Acquiring unit, for obtaining caller coding/decoding capability collection and called coding/decoding capability collection；The caller encoding and decoding Capability set, the called coding/decoding capability concentrate at least one include target coding/decoding capability information；

Determining unit, for determining voice according to the caller coding/decoding capability collection and the called coding/decoding capability collection Business coding/decoding capability collection；Institute's voice traffic coding/decoding capability collection includes the target coding/decoding capability information, so as to described Called end call controller and/or calling terminal call controller determine target medium net according to the target coding/decoding capability information Close and utilize the target medium gateway to carry the speech business between calling terminal and terminal called.

With reference to the third aspect, in the first possible implementation of the third aspect, the acquiring unit specifically for,

According to the called end WMG coding/decoding capability collection, the called end wireless coding and decoding capability set and described Terminal called coding/decoding capability collection determines the called coding/decoding capability.Wherein, the first coding/decoding capability collection, described second Coding/decoding capability collection, the 3rd coding/decoding capability collection, the 4th coding/decoding capability collection, the 5th coding/decoding capability collection with And the 6th coding/decoding capability concentrate at least one include the target coding/decoding capability information.

With reference to the first possible implementation of the third aspect, in second possible implementation of the third aspect In, the acquiring unit is specifically for determining that the called end WMG coding/decoding capability collection, the called end wirelessly compile solution The common factor of code capability set and the terminal called coding/decoding capability collection；

With reference to the first possible implementation of the third aspect, in the third possible implementation of the third aspect In, the acquiring unit is additionally operable to,

With reference to any one in the first to the third possible implementation of the third aspect or the third aspect, the 3rd In 4th kind of possible implementation of aspect, the determining unit is used for, determine the caller coding/decoding capability collection with it is described The common factor of called coding/decoding capability collection；

Fourth aspect, discloses a kind of calling terminal call controller, including：

Determining unit, for determining caller coding/decoding capability collection；

Transmitting element, for sending the caller coding/decoding capability collection to the called end call controller, so as to described Called end call controller determines that solution is compiled in speech business according to the caller coding/decoding capability collection and called coding/decoding capability collection Code capability set；Institute's voice traffic coding/decoding capability collection includes the target coding/decoding capability information, the caller encoding and decoding energy Power collection and the called coding/decoding capability concentrate at least one include target coding/decoding capability information；

Receiving unit, for receiving institute's voice traffic coding/decoding capability collection that the called end call controller sends.

With reference to fourth aspect, in the first possible implementation of fourth aspect, the determining unit specifically for, Coding/decoding capability information according to calling terminal WMG determines calling terminal WMG coding/decoding capability collection, according to calling terminal without Line coding/decoding capability information determines calling terminal wireless coding and decoding capability set, and the coding/decoding capability information according to calling terminal determines master It is terminal coding/decoding capability collection；

With reference to the first possible implementation of fourth aspect, in second possible implementation of fourth aspect In, the determining unit is specifically for determining that the calling terminal WMG coding/decoding capability collection, the calling terminal wirelessly compile solution The common factor of code capability set and the calling terminal coding/decoding capability collection；

With reference to the first possible implementation of fourth aspect, in the third possible implementation of fourth aspect In, the determining unit specifically for, determine second set, the second set is the calling terminal WMG encoding and decoding energy The common factor of power collection, the calling terminal wireless coding and decoding capability set and the calling terminal coding/decoding capability collection；

Coding/decoding negotiation method and call controller that the embodiment of the present invention is supplied, carry out calling and called coding/decoding capability first The negotiation of collection, obtains caller coding/decoding capability collection, called coding/decoding capability collection, and at least one is compiled including target in the two Decoding capacity information.And then the speech business encoding and decoding energy determined according to caller coding/decoding capability collection, called coding/decoding capability collection Power collection also includes target coding/decoding capability information, and calling terminal target medium gateway is determined according to the speech business coding/decoding capability collection And called end target medium gateway, and then can based on target coding/decoding capability information by calling terminal target medium gateway with And called end target medium gateway carries out the speech business between calling and called.In this way, the voice coder solution that calling and called are finally negotiated Target code encoding/decoding mode is included in code capability set, speech business can be carried out based on the target code encoding/decoding mode, improve voice industry The MOS values of business, optimize Consumer's Experience.

Brief description of the drawings

Fig. 1 is a kind of existing mobile network network architecture diagram；

Fig. 2 is the schematic flow sheet of coding/decoding negotiation method provided in an embodiment of the present invention；

Fig. 3 is the schematic flow sheet of local terminal coding/decoding negotiation method provided in an embodiment of the present invention；

Fig. 4 is existing another mobile network network architecture diagram；

Fig. 5 is another schematic flow sheet of coding/decoding negotiation method provided in an embodiment of the present invention；

Fig. 6 is the structured flowchart of called call controller provided in an embodiment of the present invention；

Fig. 7 is the structured flowchart of calling controller provided in an embodiment of the present invention.

Specific embodiment

As shown in figure 1, being a kind of existing mobile network network architecture diagram.In order to preferably provide speech business, a MSC Multiple MGW is hung under server.The network architecture shown in Fig. 1 is used to realize that office call, i.e. calling terminal belong to terminal called In same MSC server.Wherein, the MGW for being hung under MSC server include calling terminal WMG (MGW1, MGW2 in such as Fig. 1, ) and called end WMG (MGW4, MGW5 in such as Fig. 1) MGW3.It is each under calling terminal WMG, called end WMG From connection RNC (ran network control), wherein, what is hung under calling terminal WMG is that RNC is calling terminal RNC, is called That hung under the WMG of end is called end RNC.

In order to provide high-quality voice service, calling and called terminal is firstly the need of passing through during speech business foundation MSC server carries out encoding and decoding speech negotiation.Then, calling terminal is set up with caller RNC (such as：RNC1 radio bearer), builds Vertical core between caller RNC and calling terminal WMG (such as MGW1) is net loaded, and sets up calling terminal WMG and quilt The connection between end WMG (such as MGW4) is cried, called end WMG is set up with called RNC (such as：RNC4 the core between) It is net loaded, set up called radio bearer between RNC and terminal called.

Existing encoding and decoding speech is introduced by taking the office call network architecture shown in Fig. 1 as an example below and consults flow：

1. mobile terminal A sends Setup message to MSC server, and the message is used to initiate to exhale the voice of mobile terminal B Cry, mobile terminal A carries the voice coding/decoding capability information of mobile terminal A supports in Setup message.

2.MSC servers receive the Setup message of mobile terminal A, with reference to pre-configured coding/decoding capability information, will The code encoding/decoding mode itself do not supported in Setup message is removed.Determine the coding/decoding capability collection and MGW of this calling use (i.e. Calling terminal MGW).Equally, the Call confirmed signaling messages of mobile terminal B are received in MSC server, it is pre-configured with reference to its Coding/decoding capability information, code encoding/decoding mode that itself will not supported in Call confirmed signaling messages removes.It is determined that this Coding/decoding capability collection and MGW (i.e. called end MGW) that secondary calling is used.

3. calling and called terminal (mobile terminal A, mobile terminal B) carries out coding/decoding negotiation by Trfo modes, that is, pass through IAM request/APM response modes, after removing the code encoding/decoding mode itself do not supported in IAM message, continue to be passed to other gateways The pattern passed.

To sum up, code encoding/decoding mode negotiation is carried out using Trfo modes, network element (build by calling terminal and terminal called end to end During vertical speech business, each equipment that voice request is passed through) do not support certain class code encoding/decoding mode (such as high definition voice once having Code encoding/decoding mode) equipment, the code encoding/decoding mode for finally negotiating all the time not include the code encoding/decoding mode.Solution is compiled based on certain class Code mode carries out speech business, it is necessary to which each equipment supports the code encoding/decoding mode end to end.Example, be based on height Clear voice technology brings voice quality to be lifted, it is necessary to which each equipment supports high definition encoding and decoding speech end to end.But it is existing In net, it is impossible to which the coding/decoding capability to each equipment is limited, example, it is impossible to ensure that the MGW of MSC server selection is equal High definition encoding and decoding speech is supported, therefore have impact on the quality of speech business.

The principle of the embodiment of the present invention is, using calling and called existing coding/decoding capability data of network element end to end, enters It is preferential during row coding/decoding negotiation to retain expected code encoding/decoding mode so that the final coding/decoding capability collection for negotiating at least includes should Expected code encoding/decoding mode, and then appropriate MGW is selected according to the coding/decoding capability collection for finally negotiating, the volume solution can be based on Code carries out speech business.The coding/decoding capability of single equipment is not limited to, effective voice quality lifting is provided the user.

Embodiment 1：

The embodiment of the present invention provides a kind of coding/decoding negotiation method, the network architecture diagram shown in Fig. 1 is applied to, such as Fig. 2 institutes Show, the described method comprises the following steps：

101st, call controller receives the call request message of calling terminal；The call request message carries the caller Coding/decoding capability information.

Here, during calling terminal paging terminal called, call request message is sent to call controller first, is controlled by calling Device treatment processed and forwarded call request message.Wherein, call controller can be MSC server, and the call request message can be with It is Setup message.In addition, the coding/decoding information that the coding/decoding capability information of caller, i.e. calling terminal are supported.

102nd, call controller obtains caller coding/decoding capability collection and called coding/decoding capability collection；The caller encoding and decoding Capability set and the called coding/decoding capability concentrate at least one include target coding/decoding capability information.

In implementing, call controller determines calling terminal media according to the coding/decoding capability information of calling terminal WMG Gateway coding/decoding capability collection, (is set, for setting up caller end according to calling terminal wireless coding and decoding ability information by MSC server Radio bearer between end and caller RNC) determine calling terminal wireless coding and decoding capability set, according to the coding/decoding capability of calling terminal Information determines calling terminal coding/decoding capability collection.And then, according to the calling terminal WMG coding/decoding capability collection, the caller End wireless coding and decoding capability set and the calling terminal coding/decoding capability collection determine the caller coding/decoding capability collection.

In addition, the coding/decoding capability information according to called end WMG determines called end WMG coding/decoding capability Collection, (is set, for setting up between terminal called and called RNC according to called end wireless coding and decoding ability information by MSC server Radio bearer) determine called end wireless coding and decoding capability set, coding/decoding capability information according to terminal called determine it is called eventually End coding/decoding capability collection.And then according to the called end WMG coding/decoding capability collection, the called end wireless coding and decoding energy Power collection, the terminal called coding/decoding capability collection determine the called coding/decoding capability.

It should be noted that the calling terminal WMG coding/decoding capability collection, the calling terminal wireless coding and decoding ability Collection, the calling terminal coding/decoding capability collection, the called end WMG coding/decoding capability collection, the called end wirelessly compile solution Code capability set and the terminal called coding/decoding capability concentrate at least one include the target coding/decoding capability information.

103rd, call controller determines language according to the caller coding/decoding capability collection and the called coding/decoding capability collection Sound business coding/decoding capability collection；Institute's voice traffic coding/decoding capability collection includes the target coding/decoding capability information.

That is, it is necessary to coding/decoding capability collection according to calling and called after determining the coding/decoding capability collection of calling and called Negotiate eventually for the coding/decoding capability collection for setting up speech business, i.e. institute's voice traffic coding/decoding capability collection.

Specifically, it is determined that the common factor of the caller coding/decoding capability collection and the called coding/decoding capability collection.Preferably, this In determine the common factor of preceding 16 groups of ability informations that caller coding/decoding capability concentrates and the called coding/decoding capability collection.

If it is empty set to occur simultaneously, it is determined that institute voice traffic coding/decoding capability collection include the caller coding/decoding capability collection with And the called coding/decoding capability.

If it is nonvoid set to occur simultaneously, it is determined that institute's voice traffic coding/decoding capability collection is the common factor.

In embodiments of the present invention, when calling terminal, called end have one to support target code encoding/decoding mode, finally i.e. can be with base Speech business is carried out in the target code encoding/decoding mode.Specifically, if the coding/decoding capability of calling and called is concentrated compiles solution comprising target Code ability information, then target coding/decoding capability information, then caller are also included in the common factor that the coding/decoding capability of calling and called is concentrated Voice bearer between called can be set up based on target code encoding/decoding mode.The common factor of the coding/decoding capability collection of calling and called Not comprising high definition encoding and decoding speech, then the speech business with regard to carrying out calling and called with the coding/decoding capability information in common factor.Main, quilt The common factor that the coding/decoding capability for crying is concentrated is empty set, and calling and called just determine WMG, set up with respective coding/decoding capability collection Radio bearer and core are net loaded.If the coding/decoding capability of certain side of calling and called one is concentrated with target coding/decoding capability information, So there is a side of target coding/decoding capability information to be based on target coding/decoding capability information and set up radio bearer.

104th, call controller determines target medium gateway according to institute's voice traffic coding/decoding capability collection, using the mesh Mark WMG carries the speech business between calling and called.

Specifically, call controller determines target medium gateway, i.e., net loaded for setting up core with RNC.Carry main quilt It is the WMG of speech business, including calling terminal target medium gateway and called end WMG.

Call controller determines calling terminal target medium gateway, specifically includes：

Judge whether the common factor that institute's voice traffic coding/decoding capability collection integrates with the caller coding/decoding capability is empty set.

If the common factor that institute's voice traffic coding/decoding capability collection integrates with the caller coding/decoding capability is nonvoid set, basis Institute's voice traffic coding/decoding capability collection determines calling terminal target medium gateway, and it is wireless with caller RNC to set up calling terminal Carry net loaded (the i.e. calling terminal core net of core of (i.e. calling terminal radio bearer), caller RNC and calling terminal target medium gateway Carry)；If the common factor that institute's voice traffic coding/decoding capability collection integrates with the caller coding/decoding capability is empty set, judge described Whether calling terminal WMG supports institute's voice traffic encoding and decoding.

If the calling terminal WMG supports institute's voice traffic encoding and decoding, according to institute's voice traffic encoding and decoding energy Power collection determines calling terminal target medium gateway and to set up calling terminal core net loaded, is set up according to the second coding/decoding capability collection Calling terminal radio bearer；If the calling terminal WMG does not support institute's voice traffic encoding and decoding, judge that described second compiles Whether the common factor that decoding capability collection integrates with institute's voice traffic coding/decoding capability is empty set.

If the common factor that the second coding/decoding capability collection integrates with institute's voice traffic coding/decoding capability is nonvoid set, basis The first coding/decoding capability collection determines calling terminal target medium gateway and to set up calling terminal core net loaded, according to the voice Business coding/decoding capability collection sets up calling terminal radio bearer.

In addition, call controller determines called end target medium gateway, specifically include：

Judge whether the common factor that institute's voice traffic coding/decoding capability collection integrates with the called coding/decoding capability is empty set；

If the common factor that institute's voice traffic coding/decoding capability collection integrates with the called coding/decoding capability is nonvoid set, basis Institute's voice traffic coding/decoding capability collection determines called end target medium gateway and sets up net loaded (the called RNC of called end core Core with called end target medium gateway is net loaded) (terminal called holds with the wireless of called RNC with called end radio bearer Carry)；If the common factor that institute's voice traffic coding/decoding capability collection integrates with the called coding/decoding capability is empty set, the quilt is judged Cry whether end WMG supports institute's voice traffic encoding and decoding；

If the called end WMG supports institute's voice traffic encoding and decoding, according to institute's voice traffic encoding and decoding energy Power collection determines called end target medium gateway and to set up called end core net loaded, is set up according to the 5th coding/decoding capability collection Called end radio bearer；If the called end WMG does not support institute's voice traffic encoding and decoding, the 5th volume is judged Whether the common factor that decoding capability collection integrates with institute's voice traffic coding/decoding capability is empty set.

If the common factor that the 5th coding/decoding capability collection integrates with institute's voice traffic coding/decoding capability is as nonvoid set, basis The 4th coding/decoding capability collection determines called end target medium gateway and to set up called end core net loaded, according to the voice Business coding/decoding capability collection sets up called end radio bearer.

As shown in figure 3, the embodiment of the present invention also provides a kind of local terminal coding/decoding negotiation method (being believed with target coding/decoding capability As a example by ceasing for high definition voice coding/decoding capability information), call controller can obtain caller and compile according to the method and step shown in Fig. 3 Decoding capability collection, called coding/decoding capability collection.Specifically include：

201st, local terminal MGW coding/decoding capability collection W is obtained.

Local terminal refers in particular to calling terminal in the present embodiment.And then, local terminal MGW coding/decoding capability collection W is described in the embodiment of the present invention Calling terminal WMG coding/decoding capability collection.

In implementing, call controller (MSC server) gathers its lower each MGW (including calling terminal MGW, quilt hung Cry end MGW) coding/decoding capability information, generate each MGW coding/decoding capability collection W0, W1 ... ... Wn (wherein n for MGW volume Number), extraction information simultaneously generates MGW capability sets.MSC server coding/decoding capability collection further according to each MGW, generates local terminal MGW coding/decoding capability collection W (W=∪ { W0, W1 ... ... Wn }, the i.e. union of the coding/decoding capability collection of each MGW).MGW capability sets The field format of W0 can be as shown in table 1.

Table 1

In table 1, various coding/decoding capabilities and coding/decoding capability information that ID, title and the MGW of MGW are supported are given, Example, whether the explanation of field of field name " supporting UMTS AMR-WB " can be used for whether explanation MGW supports " UMTS AMR-WB ", if it has, then proving to support.Field name " codec rate that UMTS AMR-WB are supported ", explanation of field is used for The codec rate pattern supported is indicated, example can be " (0)-(5) ".

Then, order of the MSC server according to priority from high to low arranges the encoding and decoding in the coding/decoding capability of each MGW Ability information, finally takes union and obtains local terminal MGW coding/decoding capability collection W.Table 2 gives a kind of possible encoding and decoding priority row Row are sequentially：

Table 2

It should be noted that " Configuration " represents the pattern of encoding and decoding speech in table 1, each pattern is corresponded to One group of coding/decoding capability information (i.e. the rate capacities of encoding and decoding).

In addition, table 3 gives a kind of possible implementation of MGW coding/decoding capability collection W.

Table 3

Further, since interoffice is only capable of carrying 16 groups of encoding and decoding, therefore cast out 17 groups and its later volume solution when consulting herein Code.Preferably, the high definition voice coding/decoding capability information in table 1, generation set R can be extracted.So as to carry out step 210, Whether the common factor for judging V and R is empty set.

Table 4 gives a kind of possible implementation of R, specific as follows：

Table 4

202nd, call controller judges whether local terminal MGW coding/decoding capability collection W includes high definition voice coding/decoding capability information.

If the execution step 203 comprising if；If not including, step 204 is performed.

203rd, the high definition voice coding/decoding capability information in local terminal MGW coding/decoding capability collection W is retained, according to high definition therein Voice coding/decoding capability information generation high definition voice coding/decoding capability collection R.

Specifically, 2G high definition voice coding/decoding capability collection R2,3G high definition voice coding/decoding capability collection R3 is generated respectively.

204th, local terminal coding/decoding negotiation (determining X={ P ∩ Q ∩ W }).

Wherein, P is coding/decoding capability collection (the calling terminal coding/decoding capability i.e. described in the embodiment of the present invention of calling terminal Collection), Q is the calling terminal wireless coding and decoding capability set described in the embodiment of the present invention, according to the encoding and decoding energy that MSC server is pre-configured Power determination, represents the wireless coding and decoding ability information of calling terminal RNC, BSC.The common factor of P and Q is used to set up calling terminal and caller The radio bearer (i.e. described calling terminal is infinitely carried) of RNC, if it is empty set to occur simultaneously, calling terminal and caller RNC is set up with Q Radio bearer.The common factor of P, Q, W is used for net loaded (the i.e. described calling terminal core of core set up between caller RNC and caller MGW The heart is net loaded), the core set up with W between caller RNC and caller MGW if occuring simultaneously for sky is net loaded.In implementing, The call request information (setup message) that MSC server can be reported according to caller determines or true according to the called calling for reporting Recognize message (call confirmed signalings) determination.

205th, judge whether local terminal encoding and decoding are consensus (whether X is empty set).

If X is empty set, i.e. local terminal coding/decoding negotiation is inconsistent, then carry out step 206；If X is nonvoid set, step is carried out 209。

206th, judge whether include high definition voice coding/decoding capability information in wireless coding and decoding capability set Q.

If comprising, carry out step 207；If not including, step 208 is carried out.

207th, the high definition voice coding/decoding capability collection O in Q is extracted, determines that O is local terminal coding/decoding capability collection.

Here local terminal coding/decoding capability collection is caller coding/decoding capability collection.In addition, the high definition voice coding/decoding capability in P Collection O priority is higher than local terminal MGW coding/decoding capability collection W.

208th, wireless/core net is respectively adopted respective coding/decoding capability collection.

Specifically, calling terminal is set up and the radio bearer between caller RNC using Q, and caller RNC is set up and main using W Make the core between MGW net loaded.

209th, judge whether include high definition voice coding/decoding capability information in X.

If not including high definition voice coding/decoding capability information in X, it is X that local terminal coding/decoding capability integrates.If including high definition in X Voice coding/decoding capability information, then carry out step 210.

210th, the high definition voice coding/decoding capability information collection V in X is extracted, whether the common factor for judging V and R is empty set.

If the common factor of V and R is empty set, step 211 is carried out；If the common factor of V and R is nonvoid set, step 212 is carried out.

211st, determine that R is local terminal coding/decoding capability collection.

212nd, the common factor for determining V and R is local terminal coding/decoding capability collection.

It should be noted that call controller flow determination can also be called coding/decoding capability collection according to Fig. 3.With figure Unlike flow shown in 3, the local terminal in above-described embodiment step 201~212 is called end, and W is to be compiled to solve according to called end MGW The called end WMG coding/decoding capability collection that code ability information determines；P is terminal called coding/decoding capability collection, according to being called The confirming call message (Call confirmed signalings) of report determines.Q is called end wireless coding and decoding capability set, is taken according to MSC The pre-configured coding/decoding capability of business device determines.

It is also likely to be that station to station call, i.e. calling and called belong to different MSC servers between calling and called.Its net As shown in figure 4, wherein, MSC server A is the MSC server of calling terminal to network framework, and MSC server B takes for the MSC of called end Business device, the MGW hung under MSC server A is calling terminal WMG (MGW1, MGW2, MGW3 in such as Fig. 4), MSC server B The MGW of lower extension is called end WMG (MGW4, MGW5 in such as Fig. 4).

Based on the network architecture shown in Fig. 4, the embodiment of the present invention provides another coding/decoding negotiation method, as shown in figure 5, The described method comprises the following steps：

301st, calling terminal call controller (MSC server A) receives the call request message of caller；The call request disappears Breath carries the coding/decoding capability information of the caller.

Based on the network architecture shown shown in Fig. 4, when caller paging is called, is sent to calling terminal call controller exhale first Request message is, is processed by calling terminal call controller and forwarded call request message.Wherein, calling terminal call controller sends Can be MSC server, the call request message can be setup message.In addition, the coding/decoding capability information of caller, that is, lead The coding/decoding information for making terminal support.

302nd, calling terminal call controller obtains caller coding/decoding capability collection, and sends caller to called end call controller Coding/decoding capability collection.

In implementing, calling terminal call controller determines caller according to the coding/decoding capability information of calling terminal WMG End WMG coding/decoding capability collection, calling terminal wireless coding and decoding ability is determined according to calling terminal wireless coding and decoding ability information Collection, the coding/decoding capability information according to calling terminal determines calling terminal coding/decoding capability collection.And then, according to the calling terminal matchmaker Body gateway coding/decoding capability collection, the calling terminal wireless coding and decoding capability set and the calling terminal coding/decoding capability collection determine The caller coding/decoding capability collection.

303rd, called end call controller obtains called coding/decoding capability collection.

Specifically, called end call controller determines called end matchmaker according to the coding/decoding capability information of called end WMG Body gateway coding/decoding capability collection, determines called end wireless coding and decoding capability set, according to quilt according to called end coding/decoding capability information The coding/decoding capability information of terminal is made to determine terminal called coding/decoding capability collection.And then solution is compiled according to the called end WMG Code capability set, the called end wireless coding and decoding capability set, the terminal called coding/decoding capability collection determine that called the volume solves Code ability.

It should be noted that it should be noted that the calling terminal WMG coding/decoding capability collection, the calling terminal without Line coding/decoding capability collection, the calling terminal coding/decoding capability collection, the called end WMG coding/decoding capability collection, the quilt Make end wireless coding and decoding capability set and the terminal called coding/decoding capability concentrate at least one to include that the target is compiled to solve Code ability information.

304th, called end call controller is according to the caller coding/decoding capability collection and the called coding/decoding capability collection Determine speech business coding/decoding capability collection.

If it is empty set to occur simultaneously, it is determined that institute voice traffic coding/decoding capability collection include the caller coding/decoding capability collection with And the called coding/decoding capability；

305th, called end call controller sends speech business coding/decoding capability collection to calling terminal call controller.

306th, calling terminal call controller, called end call controller are respectively according to institute's voice traffic coding/decoding capability collection Determine target medium gateway, the voice industry between calling and called is carried using the target medium gateway.

Specifically, calling terminal call controller determines calling terminal for setting up the WMG of voice conversation, i.e., described master End target medium gateway is, including：

If the common factor that institute's voice traffic coding/decoding capability collection integrates with the caller coding/decoding capability is nonvoid set, basis Institute's voice traffic coding/decoding capability collection determines calling terminal target medium gateway and sets up that calling terminal core is net loaded and calling terminal Radio bearer；If the common factor that institute's voice traffic coding/decoding capability collection integrates with the caller coding/decoding capability is empty set, judge Whether the calling terminal WMG supports institute's voice traffic encoding and decoding.

If the calling terminal WMG supports institute's voice traffic encoding and decoding, according to institute's voice traffic encoding and decoding energy Power collection determines calling terminal target medium gateway and to set up core net loaded, is set up according to the second coding/decoding capability collection and wirelessly held Carry；If the calling terminal WMG does not support institute's voice traffic encoding and decoding, judge the second coding/decoding capability collection with Whether the common factor that institute's voice traffic coding/decoding capability integrates is empty set.

If the common factor that the second coding/decoding capability collection integrates with institute's voice traffic coding/decoding capability is nonvoid set, basis The first coding/decoding capability collection determines the first kind target medium gateway and to set up calling terminal core net loaded, according to described Speech business coding/decoding capability collection sets up calling terminal radio bearer.

In addition, called end call controller determines called end for setting up the WMG of voice conversation, i.e., it is described called End target medium gateway, including：

If the common factor that institute's voice traffic coding/decoding capability collection integrates with the called coding/decoding capability is nonvoid set, basis Institute's voice traffic coding/decoding capability collection determines called end target medium gateway and sets up that called end core is net loaded and called end Radio bearer；If the common factor that institute's voice traffic coding/decoding capability collection integrates with the called coding/decoding capability is empty set, judge Whether the called end WMG supports institute's voice traffic encoding and decoding；

If the called end WMG supports institute's voice traffic encoding and decoding, according to institute's voice traffic encoding and decoding energy Power collection determines the called end target medium gateway and to set up core net loaded, and nothing is set up according to the 5th coding/decoding capability collection Line is carried；If the called end WMG does not support institute's voice traffic encoding and decoding, the 5th coding/decoding capability is judged Whether the common factor that collection integrates with institute's voice traffic coding/decoding capability is empty set.

If the common factor that the 5th coding/decoding capability collection integrates with institute's voice traffic coding/decoding capability is as nonvoid set, basis The 4th coding/decoding capability collection determines the called end target medium gateway and called end to set up core net loaded, according to described Speech business coding/decoding capability collection sets up called end radio bearer.

It should be noted that calling terminal control server can determine caller coding/decoding capability collection according to method shown in Fig. 3, have Body ground, local terminal in above-described embodiment step 201~212 is called end, and W is calling terminal MGW coding/decoding capability collection W (i.e. this hair Calling terminal WMG coding/decoding capability collection described in bright embodiment)；P is calling terminal coding/decoding capability collection, what caller was reported Call request information (setup message) determines；Q is the calling terminal wireless coding and decoding capability set of calling terminal call controller configuration.

Called end control server also can determine called coding/decoding capability collection, specifically, above-described embodiment according to Fig. 3 methods Local terminal in step 201~212 is called end, and W is the called end MGW coding/decoding capability collection W (quilts i.e. described in the embodiment of the present invention Cry and hold WMG coding/decoding capability collection)；P is the coding/decoding capability collection of terminal called, is disappeared according to the called confirming call for reporting Breath (call confirmed signalings) determines；The called end wireless coding and decoding capability set of Q called ends call controller configuration.

The coding/decoding negotiation method that the present invention is provided, carries out the negotiation of calling and called coding/decoding capability collection first, obtains caller Coding/decoding capability collection, called coding/decoding capability collection, and at least one includes target coding/decoding capability information in the two.And then Also include that target compiles solution according to the speech business coding/decoding capability collection that caller coding/decoding capability collection, called coding/decoding capability collection determine Code ability information, calling terminal target medium gateway and called end target medium are determined according to the speech business coding/decoding capability collection Gateway, and then calling terminal target medium gateway and called end target medium net can be passed through based on target coding/decoding capability information Put the speech business between row calling and called into.In this way, the voice coding/decoding capability that calling and called are finally negotiated is concentrated comprising target Code encoding/decoding mode, can carry out speech business based on the target code encoding/decoding mode, improve the MOS values of speech business, optimize user Experience.

Embodiment 2：

A kind of called end call controller is the embodiment of the invention provides, as shown in fig. 6, the called end call controller Including：Acquiring unit 401 and determining unit 402.

Acquiring unit 401, for obtaining caller coding/decoding capability collection and called coding/decoding capability collection；Solution is compiled in the caller Code capability set, the called coding/decoding capability concentrate at least one to include target coding/decoding capability information.

Determining unit 402, for being determined according to the caller coding/decoding capability collection and the called coding/decoding capability collection Speech business coding/decoding capability collection；Institute's voice traffic coding/decoding capability collection includes the target coding/decoding capability information, so as to The called end call controller and/or calling terminal call controller determine target matchmaker according to the target coding/decoding capability information Body gateway simultaneously carries the speech business between calling terminal and terminal called using the target medium gateway.

The acquiring unit 401 is specifically for the coding/decoding capability information according to called end WMG determines called end WMG coding/decoding capability collection, called end wireless coding and decoding capability set is determined according to called end wireless coding and decoding ability information, Coding/decoding capability information according to terminal called determines terminal called coding/decoding capability collection.

The acquiring unit 401 is specifically for determining the called end WMG coding/decoding capability collection, the called end The common factor of wireless coding and decoding capability set and the terminal called coding/decoding capability collection.

If the called end WMG coding/decoding capability collection, the called end wireless coding and decoding capability set and described called The common factor that terminal coding/decoding capability integrates is empty set, then it is determined that the called end wireless coding and decoding capability set is compiled comprising the target During decoding capacity information, the target coding/decoding capability information generation institute in the called end wireless coding and decoding capability set State called coding/decoding capability collection.

The acquiring unit 401 is additionally operable to, and determines first set, and the first set is compiled for the called end WMG The common factor of decoding capability collection, the called end wireless coding and decoding capability set and the terminal called coding/decoding capability collection.If described Called end WMG coding/decoding capability is concentrated includes the target coding/decoding capability information, then according to the called end media net Close coding/decoding capability and concentrate the target coding/decoding capability information generation target coding/decoding capability collection for including.

Determine the common factor of the first set and the target coding/decoding capability collection.

If it is empty set that the first set integrates with the target coding/decoding capability intersection of sets, it is determined that the target compiles solution Code capability set is the caller coding/decoding capability collection.

The determining unit 402 is used for, and determines the caller coding/decoding capability collection with the called coding/decoding capability collection Occur simultaneously.

If the common factor that the caller coding/decoding capability collection integrates with the called coding/decoding capability is empty set, it is determined that institute's predicate Sound business coding/decoding capability collection includes the caller coding/decoding capability collection and the called coding/decoding capability.

It should be noted that the called end call controller shown in Fig. 6 can be the MSC in network architecture diagram shown in Fig. 1 Call controller in server, i.e. office call system.Can also be the MSC server B (quilts in the network architecture shown in Fig. 4 It is the MSC server at end), i.e. the call controller of the called end in station to station call system.

A kind of calling terminal call controller is the embodiment of the invention provides, as shown in fig. 7, the calling terminal call controller Including：Determining unit 501, transmitting element 502 and receiving unit 503.

Determining unit 501, for determining caller coding/decoding capability collection.

Transmitting element 502, for sending the caller coding/decoding capability collection to the called end call controller, with toilet State called end call controller and determine that speech business is compiled according to the caller coding/decoding capability collection and called coding/decoding capability collection Decoding capability collection；Institute's voice traffic coding/decoding capability collection includes the target coding/decoding capability information, the caller encoding and decoding Capability set and the called coding/decoding capability concentrate at least one include target coding/decoding capability information；

Receiving unit 503, for receiving institute's voice traffic coding/decoding capability that the called end call controller sends Collection.

The determining unit 501 is specifically for the coding/decoding capability information according to calling terminal WMG determines calling terminal WMG coding/decoding capability collection, calling terminal wireless coding and decoding capability set is determined according to calling terminal wireless coding and decoding ability information, Coding/decoding capability information according to calling terminal determines calling terminal coding/decoding capability collection.

The determining unit 501 is specifically for determining the calling terminal WMG coding/decoding capability collection, the calling terminal The common factor of wireless coding and decoding capability set and the calling terminal coding/decoding capability collection.

If the calling terminal WMG coding/decoding capability collection, the calling terminal wireless coding and decoding capability set and the caller The common factor that terminal coding/decoding capability integrates is empty set, then it is determined that the calling terminal wireless coding and decoding capability set is compiled comprising the target During decoding capacity information, the target coding/decoding capability information generation institute in the calling terminal wireless coding and decoding capability set State caller coding/decoding capability collection.

The determining unit 501 specifically for, determine second set, the second set is the calling terminal WMG The common factor of coding/decoding capability collection, the calling terminal wireless coding and decoding capability set and the calling terminal coding/decoding capability collection.If institute Stating calling terminal WMG coding/decoding capability and concentrating includes the target coding/decoding capability information, then according to the calling terminal media Gateway coding/decoding capability concentrates the target coding/decoding capability information generation target coding/decoding capability collection for including.

Determine the common factor of the second set and the target coding/decoding capability collection.

If it is empty set that the second set integrates with the target coding/decoding capability intersection of sets, it is determined that the target compiles solution Code capability set is the caller coding/decoding capability collection.If the second set is with the target coding/decoding capability intersection of sets collection Nonvoid set, it is determined that the second set is the caller coding/decoding capability with the target coding/decoding capability intersection of sets collection Collection.

The call controller that the present invention is provided, carries out the negotiation of calling and called coding/decoding capability collection first, obtains caller and compiles solution Code capability set, called coding/decoding capability collection, and at least one includes target coding/decoding capability information in the two.And then according to The speech business coding/decoding capability collection that caller coding/decoding capability collection, called coding/decoding capability collection determine also includes target encoding and decoding energy Force information, calling terminal target medium gateway and called end target medium net are determined according to the speech business coding/decoding capability collection Close, and then calling terminal target medium gateway and called end target medium gateway can be passed through based on target coding/decoding capability information Carry out the speech business between calling and called.In this way, the voice coding/decoding capability that calling and called are finally negotiated is concentrated and compiled comprising target Decoding process, can carry out speech business based on the target code encoding/decoding mode, improve the MOS values of speech business, optimize user's body Test.

Through the above description of the embodiments, it is apparent to those skilled in the art that, be description It is convenient and succinct, only carried out with the division of above-mentioned each functional module for example, in practical application, can as needed will be upper Function distribution is stated to be completed by different functional module, will the internal structure of device be divided into different functional modules, to complete All or part of function described above.The specific work process of the device of foregoing description, may be referred to preceding method implementation Corresponding process in example, will not be repeated here.

The module that is illustrated as separating component can be or may not be it is physically separate, it is aobvious as module The part for showing can be a physical module or multiple physical module, you can with positioned at a place, or can also be distributed to Multiple different places.Some or all of module therein can be according to the actual needs selected to realize this embodiment scheme Purpose.In addition, during each functional module in each embodiment of the invention can be integrated in a processing module, or each Individual module is individually physically present, it is also possible to which two or more modules are integrated in a module.Above-mentioned integrated module was both Can be realized in the form of hardware, it would however also be possible to employ the form of software function module is realized.

If the integrated module is to realize in the form of software function module and as independent production marketing or use When, can store in a read/write memory medium.Based on such understanding, technical scheme is substantially in other words The part contributed to prior art or all or part of the technical scheme can be embodied in the form of software product Come, the software product is stored in a storage medium, including some instructions are used to so that equipment (can be single-chip microcomputer, Chip etc.) or processor (processor) perform all or part of step of each embodiment methods described of the invention.And it is foregoing Storage medium include：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.

The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.

Claims

1. a kind of coding/decoding negotiation method, it is characterised in that including：

Called end call controller obtains caller coding/decoding capability collection and called coding/decoding capability collection；The caller encoding and decoding energy Power collection and the called coding/decoding capability concentrate at least one include target coding/decoding capability information；

The called end call controller determines according to the caller coding/decoding capability collection and the called coding/decoding capability collection Speech business coding/decoding capability collection；Institute's voice traffic coding/decoding capability collection includes the target coding/decoding capability information, so as to The called end call controller and/or calling terminal call controller determine target matchmaker according to the target coding/decoding capability information Body gateway simultaneously carries the speech business between calling terminal and terminal called using the target medium gateway.

2. method according to claim 1, it is characterised in that the called end call controller obtains called encoding and decoding energy Power collection is specifically included：

Coding/decoding capability information according to called end WMG determines called end WMG coding/decoding capability collection, according to called End wireless coding and decoding ability information determines called end wireless coding and decoding capability set, and the coding/decoding capability information according to terminal called is true Determine terminal called coding/decoding capability collection；

According to the called end WMG coding/decoding capability collection, the called end wireless coding and decoding capability set and described called Terminal coding/decoding capability collection determines the called coding/decoding capability.

3. method according to claim 2, it is characterised in that described according to the called end WMG coding/decoding capability Collection, the called end wireless coding and decoding capability set, the terminal called coding/decoding capability collection determine the called coding/decoding capability Collection is specifically included：

Determine the called end WMG coding/decoding capability collection, the called end wireless coding and decoding capability set and the called end Hold the common factor of coding/decoding capability collection；

If the called end WMG coding/decoding capability collection, the called end wireless coding and decoding capability set and the terminal called The common factor that coding/decoding capability integrates is empty set, then it is determined that the called end wireless coding and decoding capability set includes the target encoding and decoding During ability information, the target coding/decoding capability information in the called end wireless coding and decoding capability set generates the quilt It is coding/decoding capability collection；

If or, the called end WMG coding/decoding capability collection, the called end wireless coding and decoding capability set and described called Whether the common factor that terminal coding/decoding capability integrates is nonvoid set, then judge that the called end WMG coding/decoding capability is concentrated and include The target coding/decoding information, if the called end WMG coding/decoding capability is concentrated includes the target coding/decoding information, The target coding/decoding capability information then concentrated according to the called end WMG coding/decoding capability generates the called volume Decoding capability collection；If the called end WMG coding/decoding capability is concentrated does not include the target coding/decoding information, by institute State called end WMG coding/decoding capability collection and be defined as the called coding/decoding capability collection.

4. method according to claim 2, it is characterised in that described according to the called end WMG coding/decoding capability Collection, the called end wireless coding and decoding capability set, the terminal called coding/decoding capability collection determine the called coding/decoding capability Collection is specifically included：

Determine first set, the first set is the called end WMG coding/decoding capability collection, the called end is wireless The common factor of coding/decoding capability collection and the terminal called coding/decoding capability collection；

If the called end WMG coding/decoding capability is concentrated includes the target coding/decoding capability information, according to the quilt End WMG coding/decoding capability is made to concentrate the target coding/decoding capability information generation target coding/decoding capability collection for including；

If it is empty set that the first set integrates with the target coding/decoding capability intersection of sets, it is determined that the target encoding and decoding energy Power collection is the called coding/decoding capability collection；

If it is nonvoid set that the first set integrates with the target coding/decoding capability intersection of sets, it is determined that the first set with The target coding/decoding capability intersection of sets collection is the called coding/decoding capability collection.

5. the method according to claim any one of 1-4, it is characterised in that the called end call controller is according to Caller coding/decoding capability collection and the called coding/decoding capability collection determine that speech business coding/decoding capability collection is specifically included：

If the common factor that the caller coding/decoding capability collection integrates with the called coding/decoding capability is empty set, it is determined that the voice industry Business coding/decoding capability collection includes the caller coding/decoding capability collection and the called coding/decoding capability；

If the common factor that the caller coding/decoding capability collection integrates with the called coding/decoding capability is nonvoid set, it is determined that the voice Business coding/decoding capability collection is the common factor of the caller coding/decoding capability collection and the called coding/decoding capability collection.

6. a kind of coding/decoding negotiation method, it is characterised in that including：

The calling terminal call controller sends the caller coding/decoding capability collection to the called end call controller, with toilet State called end call controller and determine that speech business is compiled according to the caller coding/decoding capability collection and called coding/decoding capability collection Decoding capability collection；Institute's voice traffic coding/decoding capability collection includes the target coding/decoding capability information, the caller encoding and decoding Capability set and the called coding/decoding capability concentrate at least one include target coding/decoding capability information.

7. method according to claim 6, it is characterised in that the calling terminal call controller determines caller encoding and decoding energy Power collection is specifically included：

Coding/decoding capability information according to calling terminal WMG determines calling terminal WMG coding/decoding capability collection, according to caller End wireless coding and decoding ability information determines calling terminal wireless coding and decoding capability set, and the coding/decoding capability information according to calling terminal is true Determine calling terminal coding/decoding capability collection；

Coding/decoding capability collection and described is wirelessly compiled according to the calling terminal WMG coding/decoding capability collection, the calling terminal Calling terminal coding/decoding capability collection determines the called coding/decoding capability.

8. method according to claim 7, it is characterised in that described according to the calling terminal WMG coding/decoding capability Collection, the calling terminal wirelessly compile coding/decoding capability collection and the calling terminal coding/decoding capability collection determines that called the volume solves Code ability is specifically included：

Determine the calling terminal WMG coding/decoding capability collection, the calling terminal wireless coding and decoding capability set and the caller end Hold the common factor of coding/decoding capability collection；

If the calling terminal WMG coding/decoding capability collection, the calling terminal wireless coding and decoding capability set and the calling terminal The common factor that coding/decoding capability integrates is empty set, then it is determined that the calling terminal wireless coding and decoding capability set includes the target encoding and decoding During ability information, the target coding/decoding capability information in the calling terminal wireless coding and decoding capability set generates the master It is coding/decoding capability collection；

If the calling terminal WMG coding/decoding capability collection, the calling terminal wireless coding and decoding capability set and the calling terminal The common factor that coding/decoding capability integrates is nonvoid set, if then the calling terminal WMG coding/decoding capability is concentrated comprising target volume Decoded information, then generate institute according to the target coding/decoding capability information that the calling terminal WMG coding/decoding capability is concentrated State caller coding/decoding capability collection；If the calling terminal WMG coding/decoding capability is concentrated not comprising target encoding and decoding letter Breath, then be defined as the caller coding/decoding capability collection by the calling terminal WMG coding/decoding capability collection.

9. method according to claim 7, it is characterised in that if the calling terminal WMG coding/decoding capability concentrates bag The target coding/decoding capability information is included, then the target for including is concentrated according to the calling terminal WMG coding/decoding capability Coding/decoding capability information generates target coding/decoding capability collection；

Then, it is described according to the calling terminal WMG coding/decoding capability collection, it is the calling terminal wireless coding and decoding capability set, described Calling terminal coding/decoding capability collection determines that the caller coding/decoding capability collection is specifically included：

Determine second set, the second set is the calling terminal WMG coding/decoding capability collection, the calling terminal is wireless The common factor of coding/decoding capability collection and the calling terminal coding/decoding capability collection；

If it is empty set that the second set integrates with the target coding/decoding capability intersection of sets, it is determined that the target encoding and decoding energy Power collection is the caller coding/decoding capability collection；

If it is nonvoid set that the second set integrates with the target coding/decoding capability intersection of sets, it is determined that the second set with The target coding/decoding capability intersection of sets collection is the caller coding/decoding capability collection.

10. a kind of called end call controller, it is characterised in that including：

Acquiring unit, for obtaining caller coding/decoding capability collection and called coding/decoding capability collection；The caller coding/decoding capability Collection, the called coding/decoding capability concentrate at least one include target coding/decoding capability information；

Determining unit, for determining speech business according to the caller coding/decoding capability collection and the called coding/decoding capability collection Coding/decoding capability collection；Institute's voice traffic coding/decoding capability collection includes the target coding/decoding capability information, so as to described called End call controller and/or calling terminal call controller determine target medium gateway simultaneously according to the target coding/decoding capability information The speech business between calling terminal and terminal called is carried using the target medium gateway.

11. called end call controllers according to claim 10, it is characterised in that the acquiring unit specifically for,

According to the called end WMG coding/decoding capability collection, the called end wireless coding and decoding capability set and described called Terminal coding/decoding capability collection determines the called coding/decoding capability；Wherein, the first coding/decoding capability collection, described second compile solution Code capability set, the 3rd coding/decoding capability collection, the 4th coding/decoding capability collection, the 5th coding/decoding capability collection and institute State the 6th coding/decoding capability concentrate at least one include the target coding/decoding capability information.

12. called end call controllers according to claim 11, it is characterised in that the acquiring unit specifically for, Determine that the called end WMG coding/decoding capability collection, the called end wireless coding and decoding capability set and the terminal called are compiled The common factor of decoding capability collection；

If or, the called end WMG coding/decoding capability collection, the called end wireless coding and decoding capability set and described called The common factor that terminal coding/decoding capability integrates is nonvoid set, if then the called end WMG coding/decoding capability is concentrated comprising the mesh Mark coding/decoding information, then the target coding/decoding capability information life concentrated according to the called end WMG coding/decoding capability Into the called coding/decoding capability collection；If the called end WMG coding/decoding capability is concentrated does not include the target encoding and decoding Information, then be defined as the called coding/decoding capability collection by the called end WMG coding/decoding capability collection.

13. called end call controllers according to claim 11, it is characterised in that the acquiring unit is additionally operable to,

If it is empty set that the first set integrates with the target coding/decoding capability intersection of sets, it is determined that the target encoding and decoding energy Power collection is the caller coding/decoding capability collection；

If it is nonvoid set that the first set integrates with the target coding/decoding capability intersection of sets, it is determined that the first set with The target coding/decoding capability intersection of sets collection is the caller coding/decoding capability collection.

The 14. called end call controller according to claim 10-13, it is characterised in that the determining unit is used for, really Determine the common factor of the caller coding/decoding capability collection and the called coding/decoding capability collection；

A kind of 15. calling terminal call controllers, it is characterised in that including：

Transmitting element, for sending the caller coding/decoding capability collection to the called end call controller, so as to described called End call controller determines speech business encoding and decoding energy according to the caller coding/decoding capability collection and called coding/decoding capability collection Power collection；Institute's voice traffic coding/decoding capability collection includes the target coding/decoding capability information, the caller coding/decoding capability collection With the called coding/decoding capability concentrate at least one include target coding/decoding capability information；

16. calling terminal call controllers according to claim 15, it is characterised in that the determining unit specifically for, Coding/decoding capability information according to calling terminal WMG determines calling terminal WMG coding/decoding capability collection, according to calling terminal without Line coding/decoding capability information determines calling terminal wireless coding and decoding capability set, and the coding/decoding capability information according to calling terminal determines master It is terminal coding/decoding capability collection；

17. calling terminal call controllers according to claim 16, it is characterised in that the determining unit specifically for, Determine that the calling terminal WMG coding/decoding capability collection, the calling terminal wireless coding and decoding capability set and the calling terminal are compiled The common factor of decoding capability collection；

18. calling terminal call controllers according to claim 16, it is characterised in that the determining unit specifically for,

If the calling terminal WMG coding/decoding capability is concentrated includes the target coding/decoding capability information, according to the master End WMG coding/decoding capability is made to concentrate the target coding/decoding capability information generation target coding/decoding capability collection for including；