CN108234432A - Media implementation method, device, mostly logical terminal and the media server of more logical terminals - Google Patents
Media implementation method, device, mostly logical terminal and the media server of more logical terminals Download PDFInfo
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- CN108234432A CN108234432A CN201611199704.1A CN201611199704A CN108234432A CN 108234432 A CN108234432 A CN 108234432A CN 201611199704 A CN201611199704 A CN 201611199704A CN 108234432 A CN108234432 A CN 108234432A
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- media data
- call
- media
- data packet
- mark
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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
- H04L65/40—Support for services or applications
- H04L65/401—Support for services or applications wherein the services involve a main real-time session and one or more additional parallel real-time or time sensitive sessions, e.g. white board sharing or spawning of a subconference
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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
- H04L65/1101—Session protocols
- H04L65/1104—Session initiation protocol [SIP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/146—Markers for unambiguous identification of a particular session, e.g. session cookie or URL-encoding
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Business, Economics & Management (AREA)
- General Business, Economics & Management (AREA)
- Telephonic Communication Services (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The present invention provides a kind of media implementation method of more logical terminals, device, mostly logical terminal and media server.It is described to be applied to mostly logical terminal, the method includes：After call connection is established with call opposite end, the session initiation protocol SIP signalings during being established according to call determine the call corresponding media data mark between the call opposite end；The media data packet of the media data mark is carried to media server transmission, so that media data mark of the media server in the media data packet, determines the call belonging to the media data in the media data packet.The present invention can simplify communication process, reduce the load of media server.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of media implementation method of more logical terminals, device, lead to eventually more
End and media server.
Background technology
VoLTE (Voice over LTE, LTE network voice and video telephone) is to be used as service access, IMS by LTE network
The audio and video solution of (IP Multimedia Subsystem, IP multimedia subsystem) real-time performance Service control, it is propped up
The communication services such as high definition voice, HD video are held, can also realize intercommunication compatible with the voice of now net 2G/3G.
Traditional single deck tape-recorder single-pass VoLTE phones, can only dial VoLTE phones all the way.VoLTE phones all the way are dialed, are needed
Create SIP (Session Initiation Protocol, conversation initial play agreement) signaling socket (socket) and
Two socket of audio (audio)/video (video) media are respectively created.But it in the case where single deck tape-recorder leading to, needing to support more
Multichannel VoLTE phones are dialed simultaneously, although SIP signalings socket only needs to create one, need to create a large amount of audio/
Video media socket receives and dispatches the audio/video data do not gone the same way.When multichannel VoLTE calls use same matchmaker
During body server, a VoLTE terminal can create multiple socket and go and same media apparatus interaction.
In the implementation of the present invention, inventor has found at least to have the following technical problems in the prior art：
For the mostly logical terminal of single deck tape-recorder, VoLTE application layers need to create multiple socket according to SIP signalings, and communication process becomes
Must be more complicated, and a large amount of socket connections can bring very big load to media server.
Invention content
Media implementation method, device, mostly logical terminal and the media server of more logical terminals provided by the invention, can simplify
Communication process reduces the load of media server.
In a first aspect, the present invention provides a kind of media implementation method of more logical terminals, applied to more logical terminals, the method
Including：
After call connection is established with call opposite end, the session initiation protocol SIP signalings during being established according to call,
Determine the call corresponding media data mark between the call opposite end；
The media data packet of the media data mark is carried to media server transmission, so that the media server
Media data mark in the media data packet, determines the call belonging to the media data in the media data packet.
Optionally, the session initiation protocol SIP signalings during the foundation according to call, determine and the call opposite end
Between call corresponding media data mark include：Search with the media server information that carries in the SIP signalings and
The corresponding media data of port information corresponding media data mark, the i.e. call between the call opposite end identifies.
Optionally, the session initiation protocol SIP signalings during the foundation according to call, determine and the call opposite end
Between call corresponding media data mark further include：
When the corresponding media number of the media server information and port information that do not find with carried in the SIP signalings
During according to mark, media data mark corresponding with the media server information and port information is created, is led to as with described
Talk about the corresponding media data mark of call between opposite end；
Then the method further includes：
The corresponding media data mark of call between the call opposite end and the corresponding guarantor of session identity will be created
It deposits；
It the corresponding media data mark of call between the call opposite end will be created is sent to the media and taken
Business device is preserved.
Optionally, the method further includes：
The media data packet that the media server is sent is received, wherein, media number is carried in the media data packet
According to mark；
Media data mark in the media data packet, determines belonging to the media data in the media data packet
Call.
Optionally, the media data mark in the media data packet, determines in the media data packet
Call belonging to media data includes：Lookup and the corresponding session identity of media data mark, according to the session identity
Determine the call belonging to the media data in the media data packet.
Optionally, the method further includes：
When it is described call opposite end between end of conversation after, delete and it is described call opposite end between call it is corresponding
Media data identifies；
The corresponding media data of call between the call opposite end is deleted to media server transmission to identify
Notice.
Second aspect, the present invention provides the media implementation method of another more logical terminals, described applied to media server
Method includes：
Receive the media data packet for carrying media data mark that more logical terminals are sent；
Media data mark in the media data packet, determines belonging to the media data in the media data packet
Call.
Optionally, the media data mark in the media data packet, determines in the media data packet
Call belonging to media data includes：Lookup and the corresponding session identity of media data mark, according to the session identity
Determine the call belonging to the media data in the media data packet.
Optionally, before the media data packet for carrying media data mark that terminal is sent is led to the reception more, institute
The method of stating further includes：
It receives the corresponding media data of the call between call opposite end that more logical terminal is sent to identify, by the matchmaker
Volume data is identified carries out corresponding preservation with corresponding session identity.
Optionally, the method further includes：
Media data packet is sent to more logical terminals, wherein, media data mark is carried in the media data packet,
So that media data mark of the more logical terminals in the media data packet, determines the media in the media data packet
Call belonging to data.
Optionally, the method further includes：
Receive the corresponding media data mark of the call deleted between the call opposite end that more logical terminal is sent
The notice of knowledge；
The corresponding media data of the call between the more logical terminals itself preserved and opposite end of conversing is deleted to identify.
The third aspect, the present invention provides a kind of media realization device of more logical terminals, positioned at more logical terminals, described device packet
It includes：
First determination unit, for call opposite end establish call connection after, according to call establish during meeting
Initiation protocol SIP signalings are talked about, determine the call corresponding media data mark between the call opposite end；
First transmitting element, for carrying the media data packet of the media data mark to media server transmission,
So that media data mark of the media server in the media data packet, determines the matchmaker in the media data packet
Call belonging to volume data.
Optionally, first determination unit, for search with the media server information that carries in the SIP signalings with
And port information corresponding media data mark, the i.e. corresponding media data of the call between the call opposite end identify.
Optionally, first determination unit is additionally operable to that the media services with carrying in the SIP signalings ought not be found
When device information and the corresponding media data of port information identify, create and the media server information and port information pair
The media data mark answered is identified as the corresponding media data of call between the call opposite end；
Then described device further includes：
First storage unit identifies for will be created the corresponding media data of call between the call opposite end
It is corresponding with session identity to preserve；
Second transmitting element identifies for will be created the corresponding media data of call between the call opposite end
The media server is sent to be preserved.
Optionally, described device further includes：
First receiving unit, for receiving the media data packet that the media server is sent, wherein, the media data
Media data mark is carried in packet；
Second determination unit for the media data mark in the media data packet, determines the media data
The call belonging to media data in packet.
Optionally, second determination unit, for search and the corresponding session identity of media data mark, according to
The session identity determines the call belonging to the media data in the media data packet.
Optionally, described device further includes：
First delete unit, for when it is described call opposite end between end of conversation after, delete with it is described converse pair
The corresponding media data mark of call between end；
Transmitting element is notified, for having deleted the call pair between the call opposite end to media server transmission
The notice of media data mark answered.
Fourth aspect, the present invention provides the media realization device of another more logical terminals, described positioned at multimedia server
Device includes：
Second receiving unit, for receiving the media data packet for carrying media data mark that more logical terminals are sent；
Third determination unit for the media data mark in the media data packet, determines the media data
The call belonging to media data in packet.
Optionally, the third determination unit, for search and the corresponding session identity of media data mark, according to
The session identity determines the call belonging to the media data in the media data packet.
Optionally, described device further includes：
Third receiving unit carries media data mark for what is sent in the more logical terminals of second receiving unit reception
Before the media data packet of knowledge, the corresponding media data mark of the call between call opposite end that more logical terminals are sent is received
Know；
Second storage unit, for media data mark to be carried out corresponding preservation with corresponding session identity.
Optionally, described device further includes：
Third transmitting element, for sending media data packet to more logical terminals, wherein, it is taken in the media data packet
It is identified with media data, so that media data mark of the more logical terminals in the media data packet, determines described
The call belonging to media data in media data packet.
Optionally, described device further includes：
Notification receiving unit, for receiving the call deleted between the call opposite end that more logical terminals are sent
The notice of corresponding media data mark；
Second deletes unit, corresponding with the call between opposite end of conversing for deleting the more logical terminals itself preserved
Media data mark.
5th aspect, the present invention provide a kind of mostly logical terminal, and more logical terminals include above-mentioned positioned at the more of more logical terminals
The media realization device of logical terminal.
6th aspect, the present invention provide a kind of media server, and the media server includes above-mentioned positioned at media services
The media realization device of the how logical terminal of device.
Media implementation method, device, mostly logical terminal and the media server of more logical terminals provided in an embodiment of the present invention are more
Logical terminal with call opposite end after call connection is established, the session initiation protocol SIP signalings during being established according to call, really
The corresponding media data of the fixed call between the call opposite end identifies, and sent to media server and carry the media
The media data packet of Data Identification, media data mark of the media server in the media data packet, determines institute
State the call belonging to the media data in media data packet.Compared with prior art, the present invention using media data mark come pair
Each road call distinguishes, and multiple corresponding same media socket of media data mark, mostly logical terminal is only with a media
The interaction between media server can be realized in socket, so as to simplify communication process, reduces the negative of media server
Lotus.
Description of the drawings
Fig. 1 is the flow chart of the media implementation method of the mostly logical terminal of one embodiment of the invention；
Fig. 2 is the flow chart of the media implementation method of the mostly logical terminal of another embodiment of the present invention；
Fig. 3 is the structure diagram of the media realization device for the how logical terminal that one embodiment of the invention is located at more logical terminals；
Fig. 4 is the structural representation of the media realization device for the how logical terminal that another embodiment of the present invention is located at more logical terminals
Figure；
Fig. 5 is that the structure of the media realization device for the how logical terminal that another embodiment of the present invention is located at multimedia server is shown
It is intended to；
Fig. 6 is that the structure of the media realization device for the how logical terminal that another embodiment of the present invention is located at multimedia server is shown
It is intended to.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
Only it is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of media implementation method of more logical terminals, applied to more logical terminals, as shown in Figure 1,
The method includes：
S11, with call opposite end establish call connection after, according to call establish during session initiation protocol SIP
Signaling determines the call corresponding media data mark between the call opposite end.
S12, the media data packet that the media data mark is carried to media server transmission, so that the media take
Media data mark of the business device in the media data packet, determines logical belonging to the media data in the media data packet
Words.
The media implementation method for leading to terminal provided in an embodiment of the present invention, mostly logical terminals are establishing call more with call opposite end
After connection, the session initiation protocol SIP signalings during being established according to call determine the call between the call opposite end
Corresponding media data mark, and the media data packet for carrying the media data mark is sent to media server, so that
Media data mark of the media server in the media data packet, determines the media data institute in the media data packet
The call of category.Compared with prior art, the present invention is distinguished using media data mark Lai Duige road calls, multiple media numbers
According to the corresponding same media socket of mark, mostly logical terminal only can be realized with a media socket between media server
Interaction, so as to simplify communication process, reduce the load of media server.
The embodiment of the present invention provides the media implementation method of another more logical terminals, applied to media server, such as Fig. 2 institutes
Show, the method includes：
S21, the media data packet for carrying media data mark that more logical terminals are sent is received；
S22, the media data mark in the media data packet, determine the media data in the media data packet
Affiliated call.
The media implementation method of more logical terminals provided in an embodiment of the present invention, what the more logical terminals of reception were sent carries media
The media data packet of Data Identification, the media data mark in the media data packet, determines in the media data packet
Media data belonging to call.Compared with prior art, the present invention carries out area using media data mark Lai Duige road calls
Point, the corresponding same media socket of multiple media datas mark, mostly logical terminals only can be realized with a media socket and
Interaction between media server so as to simplify communication process, reduces the load of media server.
The mostly logical entire flow that media are realized between terminal and media server is described in detail below.
(1) mostly logical terminal sends media data packet to media server
More logical terminals and media server all preserve the corresponding matchmaker of call between the how logical terminal and each call opposite end
Volume data identifies and the correspondence of session identity.
After more logical SIP socket between terminal and media server are successfully established, lead to terminal to media services more
Before device sends media data packet, more logical terminals are locally being searched and the media server information carried in SIP signalings and end
Message ceases corresponding media data mark, i.e. the corresponding media data of the call between the call opposite end identifies.
When more logical terminals are not being found locally and the media server information carried in the SIP signalings and port letter
When ceasing corresponding media data mark, which creates matchmaker corresponding with the media server information and port information
Volume data identifies, and is identified as the corresponding media data of call between the call opposite end；And will be created with it is described
The correspondence of the corresponding media data mark of call and session identity between call opposite end is preserved；And it will be created
The call corresponding media data mark between the call opposite end be sent to the media server, the media services
After device receives media data mark, which is identified and is preserved with the correspondence of corresponding session identity.
After more logical terminals determine that the corresponding media data of call between the call opposite end identifies, taken to media
Business device transmission carries the media data packet of the media data mark；After media server receives the media data packet, root
It is identified according to the media data carried in the media data packet, it is corresponding with session identity in the media data mark itself preserved
Searched in relationship, determine with the corresponding session identity of media data mark, and then determined according to the session identity
The call belonging to media data in the media data packet.
Wherein, the media data mark can be the field transaction increased newly in message.Mostly logical terminals to
When media server sends media data, the transaction information can be added before media data, it should
Transaction information can be transaction ID.
(2) media server sends media data packet to more logical terminals
Before media server sends media datas to more logical terminals, locally search the how logical terminal and call opposite end it
Between the corresponding media data mark of the session identity conversed, then carry the matchmakers that the media data identifies to more logical terminals transmissions
Volume data packet；After mostly logical terminal receives the media data packet, the media data mark in the media data packet,
The media data mark itself preserved determines and media data mark pair with being searched in the correspondence of session identity
The session identity answered, and then the call according to belonging to the session identity determines the media data in the media data packet.
When the how logical terminal and call opposite end between end of conversation after, delete and it is described call opposite end between call
Corresponding media data mark, and it is corresponding that the call deleted between the call opposite end is sent to the media server
The notice of media data mark；After media server receives the notice, delete more logical terminals for itself being preserved with
The corresponding media data mark of call between call opposite end.
The embodiment of the present invention also provides a kind of media realization device of more logical terminals, positioned at more logical terminals, as shown in figure 3,
Described device includes：
First determination unit 11, for call opposite end establish call connection after, according to call establish during
Session initiation protocol SIP signalings determine the call corresponding media data mark between the call opposite end；
First transmitting element 12, for carrying the media data of the media data mark to media server transmission
Packet, so that media data mark of the media server in the media data packet, determines in the media data packet
Media data belonging to call.
The media realization device for leading to terminal provided in an embodiment of the present invention, mostly logical terminals are establishing call more with call opposite end
After connection, the session initiation protocol SIP signalings during being established according to call determine the call between the call opposite end
Corresponding media data mark, and the media data packet for carrying the media data mark is sent to media server, so that
Media data mark of the media server in the media data packet, determines the media data institute in the media data packet
The call of category.Compared with prior art, the present invention is distinguished using media data mark Lai Duige road calls, multiple media numbers
According to the corresponding same media socket of mark, mostly logical terminal only can be realized with a media socket between media server
Interaction, so as to simplify communication process, reduce the load of media server.
Optionally, first determination unit 11, for searching the media server information with being carried in the SIP signalings
And port information corresponding media data mark, the i.e. corresponding media data of the call between the call opposite end identify.
Optionally, first determination unit 11 is additionally operable to the media clothes that ought do not found be carried in the SIP signalings
When device information of being engaged in and the corresponding media data of port information identify, create and the media server information and port information
Corresponding media data mark is identified as the corresponding media data of call between the call opposite end；
Then as shown in figure 4, described device further includes：
First storage unit 13, for the corresponding media data mark of call between the call opposite end will to be created
Know preserve corresponding with session identity；
Second transmitting element 14, for the corresponding media data mark of call between the call opposite end will to be created
Knowledge is sent to the media server and is preserved.
Optionally, as shown in figure 4, described device further includes：
First receiving unit 15, for receiving the media data packet that the media server is sent, wherein, the media number
It is identified according to media data is carried in packet；
Second determination unit 16 for the media data mark in the media data packet, determines the media number
According to the call belonging to the media data in packet.
Optionally, second determination unit 16, for searching and the corresponding session identity of media data mark, root
The call belonging to the media data in the media data packet is determined according to the session identity.
Optionally, as shown in figure 4, described device further includes：
First delete unit 17, for when it is described call opposite end between end of conversation after, delete and the call
The corresponding media data mark of call between opposite end；
Transmitting element 18 is notified, for having deleted the call between the call opposite end to media server transmission
The notice of corresponding media data mark.
The device of the present embodiment can be used for performing the technical solution of above method embodiment, realization principle and technology
Effect is similar, and details are not described herein again.
The embodiment of the present invention provides the media realization device of another more logical terminals, positioned at multimedia server, such as Fig. 5 institutes
Show, described device includes：
Second receiving unit 21, for receiving the media data packet for carrying media data mark that more logical terminals are sent；
Third determination unit 22 for the media data mark in the media data packet, determines the media number
According to the call belonging to the media data in packet.
The media realization device of more logical terminals provided in an embodiment of the present invention, what the more logical terminals of reception were sent carries media
The media data packet of Data Identification, the media data mark in the media data packet, determines in the media data packet
Media data belonging to call.Compared with prior art, the present invention carries out area using media data mark Lai Duige road calls
Point, the corresponding same media socket of multiple media datas mark, mostly logical terminals only can be realized with a media socket and
Interaction between media server so as to simplify communication process, reduces the load of media server.
Optionally, the third determination unit 22, for searching and the corresponding session identity of media data mark, root
The call belonging to the media data in the media data packet is determined according to the session identity.
Optionally, as shown in fig. 6, described device further includes：
Third receiving unit 23 carries media number for receive that more logical terminals send in second receiving unit 21
Before the media data packet of mark, the corresponding media number of the call between call opposite end that more logical terminals are sent is received
According to mark；
Second storage unit 24, for media data mark to be carried out corresponding preservation with corresponding session identity.
Optionally, as shown in fig. 6, described device further includes：
Third transmitting element 25, for sending media data packet to more logical terminals, wherein, in the media data packet
Media data mark is carried, so that media data mark of the more logical terminals in the media data packet, determines institute
State the call belonging to the media data in media data packet.
Optionally, as shown in fig. 6, described device further includes：
Notification receiving unit 26, it is logical between the call opposite end for receiving having deleted for more logical terminal transmissions
Talk about the notice of corresponding media data mark；
Second deletes unit 27, for deleting the call pair between the more logical terminals itself preserved and opposite end of conversing
The media data mark answered.
The device of the present embodiment can be used for performing the technical solution of above method embodiment, realization principle and technology
Effect is similar, and details are not described herein again.
The embodiment of the present invention also provides a kind of more logical terminals, and more logical terminals are located at the mostly logical of more logical terminals including above-mentioned
The media realization device of terminal.
The embodiment of the present invention also provides a kind of media server, and the media server includes above-mentioned positioned at media server
How logical terminal media realization device.
In various embodiments of the present invention, more logical terminals and media server support VoLTE, VoWiFi or other nothings
Gauze network.
One of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer read/write memory medium
In, the program is when being executed, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, all should by the change or replacement that can be readily occurred in
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (24)
1. a kind of media implementation method of more logical terminals, applied to more logical terminals, which is characterized in that the method includes：
After call connection is established with call opposite end, the session initiation protocol SIP signalings during being established according to call determine
The corresponding media data of call between the call opposite end identifies；
The media data packet of media data mark is carried to media server transmission so that the media server according to
Media data mark in the media data packet, determines the call belonging to the media data in the media data packet.
It is 2. according to the method described in claim 1, it is characterized in that, described according to the session initiation protocol during establishing of conversing
SIP signalings determine that the corresponding media data of call between the call opposite end identifies and include：It searches and the SIP signalings
The corresponding media data mark of media server information and port information of middle carrying, i.e., it is logical between the call opposite end
Talk about corresponding media data mark.
It is 3. according to the method described in claim 2, it is characterized in that, described according to the session initiation protocol during establishing of conversing
SIP signalings determine that the corresponding media data of call between the call opposite end identifies and further include：
When the corresponding media data mark of the media server information and port information that do not find with carried in the SIP signalings
During knowledge, corresponding with the media server information and port information media data mark is created, is conversed pair as with described
The corresponding media data mark of call between end；
Then the method further includes：
The corresponding media data mark of call between the call opposite end and the corresponding preservation of session identity will be created；
The corresponding media data mark of call between the call opposite end will be created and be sent to the media server
It is preserved.
4. according to the method described in claim 1, it is characterized in that, the method further includes：
The media data packet that the media server is sent is received, wherein, media data mark is carried in the media data packet
Know；
Media data mark in the media data packet determines logical belonging to the media data in the media data packet
Words.
5. the according to the method described in claim 4, it is characterized in that, media data mark in the media data packet
Know, determine that the call belonging to the media data in the media data packet includes：It searches corresponding with media data mark
Session identity, the call according to belonging to the session identity determines the media data in the media data packet.
6. according to the method described in claim 1, it is characterized in that, the method further includes：
After end of conversation between the call opposite end, the corresponding media of call between the call opposite end are deleted
Data Identification；
Leading to for the corresponding media data mark of call between the call opposite end has been deleted to media server transmission
Know.
7. a kind of media implementation method of more logical terminals, applied to media server, which is characterized in that the method includes：
Receive the media data packet for carrying media data mark that more logical terminals are sent；
Media data mark in the media data packet determines logical belonging to the media data in the media data packet
Words.
8. the method according to the description of claim 7 is characterized in that media data mark in the media data packet
Know, determine that the call belonging to the media data in the media data packet includes：It searches corresponding with media data mark
Session identity, the call according to belonging to the session identity determines the media data in the media data packet.
9. the method according to the description of claim 7 is characterized in that lead to that terminal sends the reception carries media number more
Before the media data packet of mark, the method further includes：
It receives the corresponding media data of the call between call opposite end that more logical terminal is sent to identify, by the media number
According to mark corresponding preservation is carried out with corresponding session identity.
10. the method according to the description of claim 7 is characterized in that the method further includes：
Media data packet is sent to more logical terminals, wherein, media data mark is carried in the media data packet, so that
Media data mark of the more logical terminals in the media data packet, determines the media data in the media data packet
Affiliated call.
11. according to the method described in claim 9, it is characterized in that, the method further includes：
Receive what the corresponding media data of the call deleted between the call opposite end that more logical terminal is sent identified
Notice；
The corresponding media data of the call between the more logical terminals itself preserved and opposite end of conversing is deleted to identify.
12. a kind of media realization device of more logical terminals, positioned at more logical terminals, which is characterized in that described device includes：
First determination unit, for call opposite end establish call connection after, according to call establish during session at the beginning of
Beginning agreement SIP signaling determines the call corresponding media data mark between the call opposite end；
First transmitting element, for carrying the media data packet of the media data mark to media server transmission, so that
Media data mark of the media server in the media data packet, determines the media number in the media data packet
According to affiliated call.
13. device according to claim 12, which is characterized in that first determination unit, for searching and the SIP
The corresponding media data mark of media server information and port information carried in signaling, i.e., between the call opposite end
Call corresponding media data mark.
14. device according to claim 13, which is characterized in that first determination unit is additionally operable to not find
During media data mark corresponding with the media server information and port information that are carried in the SIP signalings, establishment and institute
Media server information and the corresponding media data mark of port information are stated, as the call pair between the call opposite end
The media data mark answered；
Then described device further includes：
First storage unit identifies and logical for will be created the corresponding media data of call between the call opposite end
Words mark is corresponding to be preserved；
Second transmitting element sends for will be created the corresponding media data mark of call between the call opposite end
It is preserved to the media server.
15. device according to claim 12, which is characterized in that described device further includes：
First receiving unit, for receiving the media data packet that the media server is sent, wherein, in the media data packet
Carry media data mark；
Second determination unit for the media data mark in the media data packet, is determined in the media data packet
Media data belonging to call.
16. device according to claim 15, which is characterized in that second determination unit, for searching and the matchmaker
Volume data identifies corresponding session identity, according to belonging to the session identity determines the media data in the media data packet
Call.
17. device according to claim 12, which is characterized in that described device further includes：
First delete unit, for when it is described call opposite end between end of conversation after, delete with it is described converse opposite end it
Between call corresponding media data mark；
Notify transmitting element, it is corresponding for having deleted the call between the call opposite end to media server transmission
The notice of media data mark.
18. a kind of media realization device of more logical terminals, positioned at multimedia server, which is characterized in that described device includes：
Second receiving unit, for receiving the media data packet for carrying media data mark that more logical terminals are sent；
Third determination unit for the media data mark in the media data packet, is determined in the media data packet
Media data belonging to call.
19. device according to claim 18, which is characterized in that the third determination unit, for searching and the matchmaker
Volume data identifies corresponding session identity, according to belonging to the session identity determines the media data in the media data packet
Call.
20. device according to claim 18, which is characterized in that described device further includes：
Third receiving unit carries what media data identified for what is sent in the more logical terminals of second receiving unit reception
Before media data packet, receive the corresponding media data of the call between call opposite end that more logical terminals are sent and identify；
Second storage unit, for media data mark to be carried out corresponding preservation with corresponding session identity.
21. device according to claim 18, which is characterized in that described device further includes：
Third transmitting element, for sending media data packet to more logical terminals, wherein, it is carried in the media data packet
Media data identifies, so that media data mark of the more logical terminals in the media data packet, determines the media
The call belonging to media data in data packet.
22. device according to claim 20, which is characterized in that described device further includes：
Notification receiving unit, it is corresponding for receiving the call deleted between the call opposite end of more logical terminal transmissions
Media data mark notice；
Second deletes unit, for deleting the corresponding matchmaker of the call between the more logical terminals itself preserved and opposite end of conversing
Volume data identifies.
23. a kind of more logical terminals, which is characterized in that more logical terminals are included as described in any one of claim 12 to 17
The media realization device of more logical terminals.
24. a kind of media server, which is characterized in that the media server is included such as any one of claim 18 to 22 institute
The media realization device for the how logical terminal stated.
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