CN106790244A - A kind of method and device of media negotiation - Google Patents
A kind of method and device of media negotiation Download PDFInfo
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- CN106790244A CN106790244A CN201710048047.9A CN201710048047A CN106790244A CN 106790244 A CN106790244 A CN 106790244A CN 201710048047 A CN201710048047 A CN 201710048047A CN 106790244 A CN106790244 A CN 106790244A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/80—Responding to QoS
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0231—Traffic management, e.g. flow control or congestion control based on communication conditions
- H04W28/0236—Traffic management, e.g. flow control or congestion control based on communication conditions radio quality, e.g. interference, losses or delay
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- Business, Economics & Management (AREA)
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- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
The embodiment of the invention discloses a kind of method and device of media negotiation, it is related to communication technical field, can solve the problem that because order chooses call media coding format, even and if causing there is a problem of that more excellent call media coding format cannot also be used.The method of the embodiment of the present invention includes：Terminal called receives the coding information that calling terminal sends, and the coding information at least includes corresponding at least two media coding format of a medium type that the calling terminal is supported；The terminal called obtains the corresponding signal intelligence of all media coding formats of itself support, and the signal intelligence is used to reflect the communication quality that corresponding each media coding format of the same medium type is provided；By at least two media coding format, the media coding format that can provide optimal communication quality that the terminal called is supported is defined as final media coding format to the terminal called.The embodiment of the present invention is applied to the negotiations process of media coding format.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of method and device of media negotiation.
Background technology
Existing mobile terminal tends to support multiple call media coding lattice to adapt to multiple voice communicating tech
Formula.In order to ensure that communication function can be completed, it is necessary to carry out media association between the two mobile terminals between two mobile terminals
Business, and after media consultation process is completed, can be filtered out eventually for communicating data from multiple call media coding format
Coding process call media coding format.
In physical medium negotiations process, the mobile terminal (i.e. calling terminal) as calling subscribe can itself
Multiple call media coding formats of support, in the form of a list, to the mobile terminal (i.e. terminal called) as called subscriber
Send, terminal called search one by one according to putting in order in list afterwards, until finding the call media that itself can be supported
Coded format, and the call media coding format is used at the coding of communicating data as between calling terminal and terminal called
The call media coding format of reason process.
So, it is possible to even if calling terminal occur can support more excellent call media coding lattice with terminal called
Formula, but due to relatively poor call media coding format in lists present position it is forward and make terminal called finally determine compared with
Difference call media coding format is used as the final call media coding format for determining, so that the processing accuracy of communicating data is reduced,
Communication effect between influence calling terminal and terminal called.
The content of the invention
The embodiment of the present invention provides a kind of method and device of media negotiation, can solve the problem that choosing call media because of order compiles
Code form, even and if causing there is a problem of that more excellent call media coding format cannot also be used.
To reach above-mentioned purpose, the embodiment of the present invention is adopted the following technical scheme that：
In a first aspect, the present invention provides a kind of method of media negotiation, methods described includes：
Terminal called receives the coding information that calling terminal sends, and the coding information at least includes the calling terminal branch
Corresponding at least two media coding format of a medium type held；
The terminal called obtains the corresponding signal intelligence of all media coding formats of itself support, the signal intelligence
For reflecting the communication quality that corresponding each media coding format of the same medium type is provided；
By at least two media coding format, what the terminal called was supported can provide most the terminal called
The media coding format of excellent communication quality, is defined as final media coding format.
Second aspect, the present invention provides a kind of device of media negotiation, and described device includes：
Communication module, the coding information for receiving calling terminal transmission, the coding information at least includes the caller
Corresponding at least two media coding format of a medium type that terminal is supported；
Acquisition module, the corresponding signal intelligence of all media coding formats for obtaining itself support, the communication feelings
Condition is used to reflect the communication quality that corresponding each media coding format of the same medium type is provided；
Determining module, at least two media coding formats described in the coding information that receives the communication module
In, the media coding format that can provide optimal communication quality that the terminal called that the acquisition module is obtained is supported is defined as
Final media coding format.
The method and device of media negotiation provided in an embodiment of the present invention, be compared in the prior art terminal called according to
Putting in order in list search one by one, untill the call media coding format that itself can be supported is found, this is conversed
Used as final call media coding format, in the embodiment of the present invention, terminal called is receiving calling terminal to media coding format
After the coding information of transmission, being found from coding information can provide the media coding format of optimal communication quality, and by this
Media coding format is used as final media coding format.As can be seen here, the premise that be can be supported in calling terminal and terminal called
Under the conditions of, when can choose the media coding format that optimal communication quality is provided as carrying out data transmission between the two terminals
The media coding format for being used.So, for the situation that medium type is call, it becomes possible to solve to choose logical because of order
Words media coding format, even and if cause to there is a problem of that more excellent call media coding format cannot also be used, so as to effectively carry
Speech quality between calling terminal high and terminal called.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of a scenario of communications network system provided in an embodiment of the present invention；
Fig. 2 is a kind of method flow diagram of media negotiation provided in an embodiment of the present invention；
Fig. 3, Fig. 4 are a kind of method flow diagram of media negotiation provided in an embodiment of the present invention
Fig. 5 is a kind of structural representation of the device of media negotiation provided in an embodiment of the present invention；
Fig. 6 is a kind of structural representation of terminal called provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is all other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The embodiment of the present invention can be used for a kind of communications network system, as shown in figure 1, in the communications network system at least
Including calling terminal and terminal called.Wherein, calling terminal can be the identical or different terminal of type from terminal called, right
In calling terminal and the type of terminal called, do not limit herein.In embodiments of the present invention, calling terminal and terminal called it
Between can complete data transfer, the data transmitted are specifically as follows voice data, video data etc..In media consultation process
In, the media coding format that calling terminal can be supported itself is sent in the form of coding information to terminal called, afterwards quilt
The communication quality for making terminal be can be provided according to each coding form, it is determined that itself be can be supported in the coding information for receiving
Communication quality highest coding form as final media coding format, final media coding format is fed back into caller afterwards
Terminal.So, the negotiations process of media coding format, and calling terminal are just completed between calling terminal and terminal called
The final media coding format to be used needed for the communication process that can determine at the two with terminal called, and in subsequent communications
During determined by final media coding format.
The embodiment of the present invention provides a kind of method of media negotiation, as shown in Fig. 2 the method can be by as shown in Figure 1
Terminal called is performed, and the method includes：
Step 101, terminal called receive the coding information that calling terminal sends.
Wherein, coding information at least includes corresponding at least two media coding of a medium type that calling terminal is supported
Form.
Medium type will can determine according to calling terminal to the data content of terminal called transmission.Such as, if main
Terminal is made to attempt to send voice data to terminal called, then medium type then can be determined that audio or voice etc.；If
Calling terminal attempts to send video data to terminal called, due to not only including vedio data in video data, also includes
Voice data, therefore, medium type can be the two medium types of Voice ＆ Video.It should be noted that for caller end
The coding that end is supported with terminal called that, be not specifically limited in embodiments of the present invention, be not limited only to above-mentioned audio, language
Sound, video, can also be other medium types.
It is directed to for single medium type, it is contemplated that only when calling terminal has at least two media coding formats,
Be possible to occur pointed technical problem in background technology, therefore, in embodiments of the present invention, calling terminal is to called end
Hold and at least include corresponding at least two media coding format of medium type in the coding information for sending.Wherein, coding letter
Breath can be transmitted with the form of list.Such as, for a medium type, then in lists can be according to specified
Each media coding format that calling terminal corresponding to order or random alignment this medium type can be supported；For extremely
For few two medium types, then the list of transmission can be at least two, and each list one medium type of correspondence, tool
Body arrangement mode is similar with the situation of said one medium type, will not be described here, or, the list of transmission can still be one
Individual, in lists, each media coding lattice that the calling terminal corresponding to a medium type can be supported are recorded in each region
Formula.It should be noted that coding information can be not only transmitted with the form of list, other forms can also be used, carried
In existing request message, or carrying is consulting generated new information for media coding format, does not limit herein.
Step 102, terminal called obtain the corresponding signal intelligence of all media coding formats of itself support.
Wherein, signal intelligence is used to reflect the communication matter that corresponding each media coding format of same medium type is provided
Amount.
Terminal called in the corresponding signal intelligence of all media coding formats of itself support that locally prestores, or can lead to
Cross data transfer and obtain above-mentioned signal intelligence from other equipment, or above-mentioned signal intelligence is obtained from database by network.
In the embodiment of the present invention, the storage location of the corresponding signal intelligence of all media coding formats supported for terminal called is not done
Limit, be not limited only to above-mentioned several possible situations.
It should be noted that signal intelligence can be stored with tabular form, in lists, terminal called for convenience
The preferable media coding format of communication quality is found as early as possible, and in embodiments of the present invention, signal intelligence is carried out according to communication quality
Sequence, such as, be arranged in order from getting well to differing from or from difference according to communication quality to good order.Wherein, for communication quality
Quality, can be indicated with specific numerical value, such as, numerical value is more big then to represent that communication quality is better, conversely, numerical value is smaller then
Represent that communication quality is poorer.In embodiments of the present invention, for the arrangement side of the signal intelligence list for reflecting communication quality
Formula is not specifically limited, it is also possible to which the performance according to terminal called is configured.
For example, after the media negotiation that terminal called receives calling terminal transmission is asked, terminal called obtains caller end
The supported media coding format list list_mo in end；Afterwards, the coded format that terminal called is supported according to itself, from
The two media coding format list list_mo_mt for all supporting is retrieved in list_mo media coding format lists；Afterwards, quilt
Make terminal that the coded format that can provide optimal communication quality is selected from list_mo_mt media coding lists as final
Media negotiation result, i.e., final media coding format.It should be noted that generally, each coded format institute can band
The communication quality for coming is fixed, is determined by each technology for encoding itself, such as, the speech quality that AMR-WB is provided is better than
AMR.Therefore, terminal called need in itself each media coding format for itself being supported of storage to be brought speech quality etc.
Level rank, terminal called has from other equipment or database place, obtains each media itself supported and compiles
Code form to be brought the ability of the rating of speech quality, such as, most basic data exchange capability etc..
, by least two media coding formats, what terminal called was supported can provide optimal logical for step 103, terminal called
Believe the media coding format of quality, be defined as final media coding format.
In the embodiment of the present invention, terminal called receive calling terminal transmission coding information after, from coding information
Find the media coding format that optimal communication quality can be provided, and using this media coding format as final media coding lattice
Formula.As can be seen here, under the precondition that calling terminal and terminal called can be supported, offer optimal communication quality can be chosen
Media coding format as the media coding format used when carrying out data transmission between the two terminals.So,
For medium type be call situation, it becomes possible to solve because order choose call media coding format, even and if cause in the presence of
The problem that more excellent call media coding format cannot also be used, so as to effectively improve the call between calling terminal and terminal called
Quality.
In an implementation of the embodiment of the present invention, if coding information includes the media class that calling terminal is supported
Corresponding at least two media coding format of type, then on the basis of implementation as shown in Figure 2, be also implemented as such as figure
Implementation shown in 3.Wherein, step 103 terminal called is by least two media coding formats, the energy that terminal called is supported
The media coding format of optimal communication quality is enough provided, is defined as final media coding format, step 201 can be implemented as
To step 203：
Step 201, terminal called determined at least two media coding formats, the media coding format that itself is supported.
If for example, calling terminal carries following coding information when media negotiation request is sent：
The RTP/AVP 97 0 98 of m=audio 1518
A=rtpmap:97AMR/8000
A=fmtp:97mode-set=0,2,4,7；Mode-change-period=2；
Mode-change-capability=2；Mode-change-neighbor=1；Max-red=0
A=rtpmap:0PCMU/8000
A=rtpmap:98AMR-WB/16000
A=fmtp:98mode-set=0,1,2；Mode-change-period=2；
Mode-change-capability=2；Mode-change-neighbor=1；Max-red=0
Then represent, the media coding format that calling terminal can be supported is adaptive multi-rate coding technology (English：
Adaptive Multi-Rate, AMR) (i.e. self-adapting multi-rate narrowband coding techniques is (English：Adaptive Multi-Rate
Narrowband, AMR-NB)), U rates pulse code modulation scheme (English：Pulse Code Modulation U, PCMU) and
AMR-WB coding techniques (English：Adaptive Multi-Rate Wideband, AMR-WB), it is called afterwards eventually
End therefrom retrieves the media coding format that calling terminal and terminal called can be supported, specific as follows：
A=rtpmap:97AMR/8000
A=fmtp:97mode-set=0,2,4,7；Mode-change-period=2；
Mode-change-capability=2；Mode-change-neighbor=1；Max-red=0
A=rtpmap:98AMR-WB/16000
A=fmtp:98mode-set=0,1,2；Mode-change-period=2；
Mode-change-capability=2；Mode-change-neighbor=1；Max-red=0
Then represent, the media coding format that calling terminal and terminal called can be supported is 97 (i.e. AMR), 98 (i.e. AMR-
WB)。
Step 202, terminal called determine to provide optimal in the media coding format itself supported from ranking results
The media coding format of communication quality.
Because the communication quality encoded using AMR-WB is higher than the communication quality encoded using AMR, therefore,
In the embodiment of the present invention, terminal called determines that 98 are transmitting sound for final media coding format, i.e. terminal called with calling terminal
Frequently it is (English：When audio), using the media coding format representated by 98, i.e. AMR-WB.
Step 203, terminal called are possible to provide the media coding format of optimal communication quality, are defined as final media and compile
Code form.
In the embodiment of the present invention, it is contemplated that audio relates only to a medium type, therefore, using above-mentioned steps 201 to
The implementation of step 203, can effectively determine the media coding lattice that unique calling terminal can be supported with terminal called
Formula, and the media coding format is in the two cans the media coding format supported jointly, is that can provide optimal call matter
The media coding format of amount, therefore, the media coding format is defined as to carry out voice biography between calling terminal and terminal called
Defeated final media coding format.
In an implementation of the embodiment of the present invention, if coding information includes at least two matchmakers that calling terminal is supported
Corresponding at least two media coding format of each medium type in body type, then on the basis of implementation as shown in Figure 2
On, it is also implemented as implementation as shown in Figure 4.Wherein, step 102 terminal called obtains all media of itself support
The corresponding signal intelligence of coded format, can be implemented as step 301；Step 103 terminal called compiles at least two media
In code form, the media coding format that can provide optimal communication quality that terminal called is supported is defined as final media coding
Form, can be implemented as step 401：
Step 301, terminal called obtain the corresponding all media coding formats itself supported of each medium type respectively
Signal intelligence.
Step 401, terminal called determine the corresponding final media coding format of each medium type respectively.
In the embodiment of the present invention, at least two medium types, such as, for video call service, no
Only need audio, in addition it is also necessary to video, then terminal called needs to receive the right for the two medium types institute of calling terminal transmission
At least two media coding formats answered, afterwards for each medium type, determine corresponding to each medium type most respectively
Whole media coding format, and identified the two final media coding formats are fed back into caller end in the lump or in batches
End.It should be noted that for the situation of at least two medium types, only when terminal called is corresponding by all medium types
Final coded format feed back to calling terminal after, just complete this media consultation process.
Determination process in view of multiple final media coding formats is separate, therefore for above-mentioned situation
Speech, determines that each self-corresponding final media coding format can be while carry out, or according to setting in advance for different media types
The order put is performed, and is not limited herein.
As can be seen here, the embodiment of the present invention can be not only used for and (the English of carry voice traffic on LTE：Voice over
LTE, VoLTE) terminal speech call negotiation, can be also used for the negotiation of VoLTE terminal videos call, it is and other kinds of
The media coding format negotiations process of call.
The embodiment of the present invention provides a kind of device 20 of media negotiation, as shown in figure 5, the device 20 can be used for performing such as
Any a set of method flow shown in Fig. 2 to Fig. 4, the device 20 includes：
Communication module 21, the coding information for receiving calling terminal transmission, coding information is at least including calling terminal branch
Corresponding at least two media coding format of a medium type held.
Acquisition module 22, the corresponding signal intelligence of all media coding formats for obtaining itself support, signal intelligence
For reflecting the communication quality that corresponding each media coding format of same medium type is provided.
It should be noted that signal intelligence is stored with tabular form, signal intelligence is carried out according to communication quality in lists
Sequence.
Determining module 23, at least two media coding formats in the coding information that receives communication module 21 in, obtain
The media coding format that can provide optimal communication quality that the terminal called that modulus block 22 is obtained is supported, is defined as final media
Coded format.
In an implementation of the embodiment of the present invention, if coding information includes the media class that calling terminal is supported
Corresponding at least two media coding format of type, it is determined that module 23, specifically for：
In determining at least two media coding formats, the media coding format that itself is supported；From ranking results, it is determined that from
The media coding format of optimal communication quality can be provided in the media coding format that body is supported；It is possible to provide optimal communication matter
The media coding format of amount, is defined as final media coding format.
In an implementation of the embodiment of the present invention, if coding information includes at least two matchmakers that calling terminal is supported
Corresponding at least two media coding format of each medium type in body type, acquisition module 22, specifically for：
The signal intelligence of the corresponding all media coding formats itself supported of each medium type is obtained respectively.
In an implementation of the embodiment of the present invention, determining module 23, specifically for：
The corresponding final media coding format of each medium type is determined respectively.
The device of media negotiation provided in an embodiment of the present invention, be compared in the prior art terminal called according in list
Put in order and search one by one, untill the call media coding format that itself can be supported is found, the call media are compiled
Used as final call media coding format, in the embodiment of the present invention, terminal called is receiving calling terminal transmission to code form
After coding information, being found from coding information can provide the media coding format of optimal communication quality, and this media is compiled
Code form is used as final media coding format.As can be seen here, under the precondition that calling terminal and terminal called can be supported,
The media coding format that offer optimal communication quality can be chosen is used as when carrying out data transmission between the two terminals
Media coding format.So, for the situation that medium type is call, it becomes possible to solve to choose call media because of order
Coded format, even and if cause to there is a problem of that more excellent call media coding format cannot also be used, so as to effectively improve caller
Speech quality between terminal and terminal called.
The embodiment of the present invention provides a kind of terminal called 30, as shown in fig. 6, the terminal called 30 at least includes such as Fig. 5 institutes
The device 20 for showing, the terminal called 30 at least includes：Transceiver 31 and processor 32.
Wherein, transceiver 31, the coding information for receiving calling terminal transmission, coding information at least includes calling terminal
Corresponding at least two media coding format of a medium type supported；Transceiver 31, is additionally operable to obtain the institute for itself supporting
There is the corresponding signal intelligence of media coding format, signal intelligence is used to reflect corresponding each the media coding lattice of same medium type
The communication quality that formula is provided.It should be noted that signal intelligence is stored with tabular form, signal intelligence is according to communication in lists
Quality is ranked up；Processor 32, for by least two media coding formats, what terminal called was supported can to provide optimal
The media coding format of communication quality, is defined as final media coding format.
If coding information includes corresponding at least two media coding format of a medium type that calling terminal is supported,
Processor 32, specifically for：
In determining at least two media coding formats, the media coding format that itself is supported；From ranking results, it is determined that from
The media coding format of optimal communication quality can be provided in the media coding format that body is supported；It is possible to provide optimal communication matter
The media coding format of amount, is defined as final media coding format.
If each medium type is corresponding at least during coding information includes at least two medium types that calling terminal is supported
Two media coding formats, transceiver 31, specifically for：
The signal intelligence of the corresponding all media coding formats itself supported of each medium type is obtained respectively.
Processor 32, specifically for：
Terminal called determines the corresponding final media coding format of each medium type respectively.
Additionally, the terminal called 30 can also include：Memory 33 and bus 34.Wherein, memory 33, can be used for depositing
The corresponding signal intelligence of all media coding formats that storage terminal called 30 is supported, or in the negotiations process of media coding format
In used code and the data that produce；Bus 34 can be used for connecting transceiver 31, the and of processor 32 in terminal 30
Memory 33, to realize data interaction between any two.
Terminal called provided in an embodiment of the present invention, be compared in the prior art terminal called according to the arrangement in list
Order is searched one by one, untill the call media coding format that itself can be supported is found, by the call media coding format
Used as final call media coding format, in the embodiment of the present invention, terminal called is receiving the coding letter of calling terminal transmission
After breath, being found from coding information can provide the media coding format of optimal communication quality, and by this media coding format
As final media coding format.As can be seen here, under the precondition that calling terminal and terminal called can be supported, Ke Yixuan
The media coding format that optimal communication quality is provided is taken as the media used when carrying out data transmission between the two terminals
Coded format.So, for the situation that medium type is call, it becomes possible to solve to choose call media coding lattice because of order
Formula, even and if cause to there is a problem of that more excellent call media coding format cannot also be used, so as to effectively improve calling terminal with
Speech quality between terminal called.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment
Divide mutually referring to what each embodiment was stressed is the difference with other embodiment.Especially for equipment reality
Apply for example, because it is substantially similar to embodiment of the method, so describing fairly simple, related part is referring to embodiment of the method
Part explanation.
One of ordinary skill in the art will appreciate that all or part of flow in realizing above-described embodiment method, can be
The hardware of correlation is instructed to complete by computer program, described program can be stored in computer read/write memory medium
In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only memory (English：Read-Only Memory, ROM) or random access memory (English：Random
Access Memory, RAM) etc..
The above, specific embodiment only of the invention, but the protection domain of the embodiment of the present invention is not limited to
This, the change or replacement in the technical scope that the embodiment of the present invention is disclosed should all cover the protection model in the embodiment of the present invention
Within enclosing.Therefore, the protection domain of the embodiment of the present invention should be defined by scope of the claims.
Claims (10)
1. a kind of method of media negotiation, it is characterised in that methods described includes：
Terminal called receives the coding information that calling terminal sends, and the coding information at least includes what the calling terminal was supported
Corresponding at least two media coding format of one medium type；
The terminal called obtains the corresponding signal intelligence of all media coding formats of itself support, and the signal intelligence is used for
Reflect the communication quality that corresponding each media coding format of the same medium type is provided；
By at least two media coding format, what the terminal called was supported can provide optimal logical the terminal called
Believe the media coding format of quality, be defined as final media coding format.
2. method according to claim 1, it is characterised in that if the coding information includes what the calling terminal was supported
Corresponding at least two media coding format of one medium type, then the terminal called is by least two media codings lattice
In formula, the media coding format that can provide optimal communication quality that the terminal called is supported is defined as final media coding
Form, specifically includes：
The terminal called determined at least two media coding format, the media coding format that itself is supported；
The terminal called is from the ranking results, it is determined that can provide optimal in the media coding format itself supported
The media coding format of communication quality；
The media coding format that optimal communication quality can be provided is defined as the final media and compiled by the terminal called
Code form.
3. method according to claim 1, it is characterised in that if the coding information includes what the calling terminal was supported
Corresponding at least two media coding format of each medium type at least two medium types, the terminal called obtains itself
The corresponding signal intelligence of all media coding formats supported, specifically includes：
The terminal called obtains the communication feelings of the corresponding all media coding formats itself supported of each medium type respectively
Condition.
4. method according to claim 3, it is characterised in that the terminal called is by least two media codings lattice
In formula, the media coding format that can provide optimal communication quality that the terminal called is supported is defined as final media coding
Form, specifically includes：
The terminal called determines the corresponding final media coding format of each medium type respectively.
5. method as claimed in any of claims 1 to 4, it is characterised in that the signal intelligence is with tabular form
Storage, signal intelligence is ranked up according to communication quality described in the list.
6. a kind of device of media negotiation, it is characterised in that described device includes：
Communication module, the coding information for receiving calling terminal transmission, the coding information at least includes the calling terminal
Corresponding at least two media coding format of a medium type supported；
Acquisition module, the corresponding signal intelligence of all media coding formats for obtaining itself support, the signal intelligence is used
In the communication quality for reflecting corresponding each media coding format offer of the same medium type；
Determining module, at least two media coding formats described in the coding information that receives the communication module, institute
The media coding format that optimal communication quality can be provided that the terminal called of acquisition module acquisition is supported is stated, is defined as final matchmaker
Body coded format.
7. device according to claim 6, it is characterised in that if the coding information includes what the calling terminal was supported
Corresponding at least two media coding format of one medium type, then the determining module, specifically for：
In determining at least two media coding format, the media coding format that itself is supported；
From the ranking results, it is determined that the matchmaker of optimal communication quality can be provided in the media coding format itself supported
Body coded format；
By the media coding format that can provide optimal communication quality, it is defined as the final media coding format.
8. device according to claim 6, it is characterised in that if the coding information includes what the calling terminal was supported
Corresponding at least two media coding format of each medium type at least two medium types, the acquisition module is specific to use
In：
The signal intelligence of the corresponding all media coding formats itself supported of each medium type is obtained respectively.
9. device according to claim 8, it is characterised in that the determining module, specifically for：
The corresponding final media coding format of each medium type is determined respectively.
10. the device according to any one in claim 6 to 9, it is characterised in that the signal intelligence is with tabular form
Storage, signal intelligence is ranked up according to communication quality described in the list.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710048047.9A CN106790244A (en) | 2017-01-19 | 2017-01-19 | A kind of method and device of media negotiation |
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Cited By (4)
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| CN113163400A (en) * | 2020-01-07 | 2021-07-23 | 中国移动通信有限公司研究院 | Voice communication method, terminal and TF card |
| CN114302353A (en) * | 2021-12-31 | 2022-04-08 | 咪咕音乐有限公司 | Media negotiation method, communication device and readable storage medium |
| CN117135272A (en) * | 2023-02-08 | 2023-11-28 | 荣耀终端有限公司 | Method and device for determining coding and decoding modes during conversation |
| CN117158031A (en) * | 2022-03-31 | 2023-12-01 | 北京小米移动软件有限公司 | Capability determining method, reporting method, device, equipment and storage medium |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113163400A (en) * | 2020-01-07 | 2021-07-23 | 中国移动通信有限公司研究院 | Voice communication method, terminal and TF card |
| CN114302353A (en) * | 2021-12-31 | 2022-04-08 | 咪咕音乐有限公司 | Media negotiation method, communication device and readable storage medium |
| CN114302353B (en) * | 2021-12-31 | 2023-10-20 | 咪咕音乐有限公司 | Media negotiation method, communication device and readable storage medium |
| CN117158031A (en) * | 2022-03-31 | 2023-12-01 | 北京小米移动软件有限公司 | Capability determining method, reporting method, device, equipment and storage medium |
| CN117158031B (en) * | 2022-03-31 | 2024-04-23 | 北京小米移动软件有限公司 | Capability determining method, reporting method, device, equipment and storage medium |
| CN117135272A (en) * | 2023-02-08 | 2023-11-28 | 荣耀终端有限公司 | Method and device for determining coding and decoding modes during conversation |
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