CN104580119B - Voice and video telephone method, apparatus and system - Google Patents
Voice and video telephone method, apparatus and system Download PDFInfo
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- CN104580119B CN104580119B CN201310516170.0A CN201310516170A CN104580119B CN 104580119 B CN104580119 B CN 104580119B CN 201310516170 A CN201310516170 A CN 201310516170A CN 104580119 B CN104580119 B CN 104580119B
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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
- H04L65/1083—In-session procedures
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- Telephonic Communication Services (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The present invention provides a kind of voice and video telephone method, and in the method provided, access network termination equipment can be switched between the terminal of multiple and different abilities to realize voice and video telephone；The described method includes：Access the handover request that network termination equipment receives first terminal；Call request is sent to the second terminal, the call request carries the IP address and port information of distant end media；The access network termination equipment reception second terminal answers message, and the IP address of the user side media during realtime transmission protocol RTP is acted on behalf of is arranged to the IP address of second terminal equipment；Renewal media request from the second terminal is transmitted to the third terminal to increase video；Access network termination equipment acts on behalf of the voice and video telephone between the second terminal and the third terminal after the third terminal receives the renewal media request.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of voice and video telephone method, apparatus and system.
Background technology
The current development of video communication is not that quickly, main cause is that experience is general because mobile video communication rate are high,
And operator's fixed terminal audio and video business is at present mainly using IP audio and video phone as representative, due to fixed terminal audio and video business
It is to be based on catv terminal, user cannot arbitrarily move, inconvenient to use.Some reason based on more than, causes video communication always
Do not developed effectively.
With FTTH（Fiber to the Home, fiber to the home）The rapid development of network, has been able to provide good
Bandwidth resources, these bandwidth resources can provide Bandwidth guaranteed for the development of video communication.At the same time, with PAD, intelligence
Mobile phone also provides good guarantee for the popularization of the individual mobile terminal of representative for the development of video communication.In such case
Under, how just to be solved on FTTH networks using the individual mobile terminal of popularization to carry out audio and video business as urgent need at this stage
The problem of.
The content of the invention
A kind of voice and video telephone method, apparatus and system of offer of the embodiment of the present invention, the voice and video telephone method provided,
Equipment and system can carry out voice and video telephone on FTTH networks using the terminal of family.
One embodiment of the invention provides a kind of voice and video telephone method, including access network termination equipment, first terminal and
Second terminal；The first terminal supports audio service, and the second terminal supports audio and video business；The access network termination is set
Standby to connect third terminal by IP multimedia subsystem, the first terminal and the third terminal are in voice-frequency telephony state；
The described method includes：
The access network termination equipment receives the handover request of the first terminal；
The access network termination equipment sends call request to the second terminal, and the call request carries distal end matchmaker
The IP addresses of body and port information；
The access network termination equipment reception second terminal answers message, during realtime transmission protocol RTP is acted on behalf of
The IP address of user side media be arranged to the IP address of the second terminal equipment；
Renewal media request from the second terminal is transmitted to the third terminal by the access network termination equipment
To increase video；
The access network termination equipment acts on behalf of described second eventually after the third terminal receives the renewal media request
Voice and video telephone between end and the third terminal.
One embodiment of the invention provides a kind of access network termination equipment, registered with the access network termination equipment including
Multiple terminals of first terminal, second terminal；The first terminal supports audio service, and the second terminal supports audio and video industry
Business；The access network termination equipment connects third terminal by IP multimedia subsystem, and the first terminal and the described 3rd is eventually
End is in voice-frequency telephony state；The access network termination equipment includes：
User side interface, for receiving the handover request of the first terminal；Call request is sent to the second terminal,
The call request carries the IP address and port information of distant end media；And receive the answering for second terminal and disappear
Breath；
Processing unit, the IP address for the user side media during realtime transmission protocol RTP is acted on behalf of are arranged to described
The IP address of two terminal devices；
Network Side Interface, for the renewal media request from the second terminal to be transmitted to the third terminal to increase
Add video；
Agent unit, for acting on behalf of the second terminal and institute after the third terminal receives the renewal media request
State the voice and video telephone between third terminal.
One embodiment of the invention provides a kind of voice and video telephone system, including access network termination equipment, first terminal and
Second terminal；The first terminal supports audio service, and the second terminal supports audio and video business；The access network termination is set
Standby to connect third terminal by IP multimedia subsystem, the first terminal and the third terminal are in voice-frequency telephony state；
Wherein, the access network termination equipment is used for the handover request for receiving the first terminal；To the second terminal
Call request is sent, the call request carries the IP address and port information of distant end media；Receive the second terminal
Answer message, the IP address of the user side media during realtime transmission protocol RTP is acted on behalf of is arranged to the second terminal equipment
IP address；Renewal media request from the second terminal is transmitted to the third terminal to increase video；And
The audio and video between the second terminal and the third terminal are acted on behalf of after the third terminal receiving renewal media request
Call.
Voice and video telephone method, apparatus and system provided in an embodiment of the present invention, can access network termination equipment at one
Switched between multiple terminals of upper connection, so as to realize voice and video telephone using the business that different terminals are supported.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other attached drawings according to these attached drawings.
The schematic diagram for the system architecture that Fig. 1 is provided by the embodiment of the present invention；
Fig. 2 is the flow chart of voice and video telephone method provided by one embodiment of the present invention；
Fig. 3 is the flow chart for the voice-frequency telephony method that another embodiment of the present invention provides；
Fig. 4 is the flow chart for the voice-frequency telephony method that another embodiment of the present invention provides；
Fig. 5 is the schematic diagram of the structure of access network termination equipment provided in an embodiment of the present invention；
Fig. 6 is the schematic diagram of another structure for accessing network termination equipment provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment, belongs to the scope of protection of the invention.
The present embodiments relate to the network architecture can be as shown in Figure 1, terminal 1 and terminal 2 can be one families
Terminal or belong to campus, a factory etc.；Terminal 3 belongs to the terminal of another family, campus or factory.Terminal 1
Can be by wired or be wirelessly connected in access network termination equipment 4 with terminal 2.Access network termination equipment 4 can pass through IP
IP multimedia subsystem, IMS（IP Multimedia Subsystem, IP multimedia subsystem）5 connection terminals 3.Wherein, terminal 1 can
Equipment to be support speech business, such as POTS（Plain Old Telephone Service, Plain Old Telephone Service）
Terminal, terminal 2 can be the equipment for supporting audio and video business, such as smart mobile phone, PAD, smart television, PC etc..
Access network termination equipment 4 can be optical network unit (Optical Network Terminal, ONT), router,
Home gateway etc..
Based on above-mentioned framework, one embodiment of the invention provides a kind of voice and video telephone method, and the method provided can
It is switched in the case where terminal 1 and terminal 3 are in voice-frequency telephony state in terminal 2 to carry out voice and video telephone.
As shown in Fig. 2, the method provided includes：
Step 200, terminal 1 sends handover request to access network termination equipment 4.
In the present embodiment, access network termination equipment 4 is one intercom number of each terminal distribution of one family, each whole
End is registered in access network termination equipment 4 by intercom number respectively, and multiple terminals are shared unified POTS numbers and realized externally
Call and receive calls, led between terminal and between terminal and access network termination equipment using the intercom number of distribution
Letter.
In the present embodiment, during terminal 1 carries out voice-frequency telephony, if necessary to increase video calling, then to access net
Terminal device 4 sends handover request, and the intercom number for the terminal to be switched is carried in handover request.Terminal 2 in the present embodiment
Support audio and video ability, in the terminal 2 to be switched to of terminal 1, then the handover request that terminal 1 is sent to access network termination equipment 4 is taken
Intercom number with terminal 2.
Wherein, handover request can be dialogue-based initiation protocol（Session Initiation Protocol, SIP）,
For example Invite message etc., the intercom number of terminal 2 can be carried in the To header field of Invite message.
Step 210, access network termination equipment 4 and send call request to terminal 2.
The IP address and port information of distant end media are carried in the call request that access network termination equipment 4 is sent.
In the present embodiment, access network termination equipment 4 is used as real-time transport protocol（Real-Time Transport Protocol, RTP）
Agency, then access the voice wide area network that network termination equipment 4 acts on behalf of RTP in this equipment（Wide Area Network, WAN）Mouthful
IP addresses and the port information of WAN mouthfuls of voice be sent to terminal 2, terminal 2 as the IP address and port information of distant end media
IP address and port information according to distant end media initiate calling or answer calling, and RTP generations are completed by access network termination equipment 4
Reason process.
Step 220, that accesses 4 receiving terminal 2 of network termination equipment answers message, the user side media during RTP is acted on behalf of
IP addresses are arranged to the IP address of terminal 2.
After step 210 and 220, voice RTP Media Streams can be sent between access network termination equipment 4 and terminal 2
.
Step 230, the renewal media request of 4 receiving terminal 2 of network termination equipment is accessed, renewal media request is transmitted to end
3 are held to increase video.
The media renewal request of terminal 2 can be the Invite message based on SIP, and the From header fields in Invite message can
With the intercom number of carried terminal 2.
After access network termination equipment 4 receives the media renewal request of terminal 2, by the From header fields in media renewal request
Intercom number be converted into unified exterior number after be transmitted to terminal 3.
Step 240, access network termination equipment 4 and act on behalf of the terminal 2 after the terminal 3 receives the renewal media request
Voice and video telephone between terminal 3.
The above method provided in this embodiment can be accessed at one in network termination equipment between the multiple terminals that connect into
Row switching, so as to realize voice and video telephone using the business that different terminals are supported.
In embodiments of the present invention, access network termination equipment 4 establishes voice-frequency telephony between terminal 1 and terminal 3 and specifically may be used
To be calling that terminal 1 actively initiates 4 passive receiving terminal 3 of calling to terminal 3 or access network termination equipment.
1）The process that wherein terminal 1 actively initiates the calling to terminal 3 can be as shown in figure 3, including：
Step 300, terminal 1 sends call request to access network termination equipment 4.
The caller account that terminal 1 sends call request is the inside account of terminal 1, and terminal 1 can carry internal account
In the From header fields of the call request of initiation, call request is sent to access network termination equipment 4.
Step 310, access after the intercom number in call request is converted into exterior number by network termination equipment 4 and be sent to end
End 3.
The exterior number that access network termination equipment 4 is changed is such as the core net unified distribution by upper layer network, is accessed
Multiple terminals of 4 times connections of network termination equipment can share the outside number and communicate with the IMS network other end.
Further, the Session Description Protocol (Session that network termination equipment 4 is sent in the call request of terminal 3 is accessed
Description Protocol, SDP) media IP address and port information can be voice in access network termination equipment 4
WAN mouthfuls of IP and port information.
Step 320, after terminal 3 is answered, access network termination equipment 4 sends out the IP address of RTP agencies and port information
Give terminal 1.
After terminal 3 is answered, it can be sent to access network termination equipment 4 and answer message 200OK message, access network termination equipment 4
RTP in this equipment IP address acted on behalf of and port information are added to as the IP address and port information of opposite end media
Terminal 1 is sent in 200 OK message.
Step 330, the confirmation message of receiving terminal 1, is added to confirmation message by the IP address of RTP agencies and port information
In be sent to terminal 3.
The confirmation message of terminal 1 can be ACK message, and access network termination equipment 4 believes the IP address of RTP agencies and port
Cease the IP address and port information being added in ACK message as local terminal media and be sent to terminal 3.
After above-mentioned steps are consulted successfully, access network termination equipment 4 completes the association of RTP sessions, realizes subsequent media
The agency of message, and then can realize the bi-directional conversion of RTP messages and RTCP messages.
2）When access the passive receiving terminal 3 of network termination equipment 4 calling when, the process of realization can with as shown in figure 4, including：
Step 400, the call request of 4 receiving terminal 3 of network termination equipment is accessed.
The call request of terminal 3 can be Invite message, the To header field of the Invite message carry upper layer network to
Access the exterior number of the unified distribution of network termination equipment 4.
Step 410, the intercom number for the exterior number in call request being substituted for terminal 1 is sent to terminal 1.
Further, network termination equipment 4 is accessed to act on behalf of as RTP, it is necessary to which the IP address that the RTP of this equipment is acted on behalf of carries
Terminal 1 is sent in call request.
Step 420, receiving terminal 1 answers message, using the IP address and port information of RTP agencies as local terminal media
IP addresses and port information are carried is sent to terminal 3 in message is answered.
Step 430, the confirmation message of receiving terminal 3, using the IP address and port information of RTP agencies as opposite end media
IP addresses and port information carry is sent to terminal 1 in the acknowledgement message.
After above-mentioned steps are consulted successfully, access network termination equipment 4 completes the association of RTP sessions, realizes subsequent media
The agency of message, and then can realize the bi-directional conversion of RTP messages and RTCP messages.
Method of calling between the above-mentioned terminal of the present embodiment, passes through the multiple ends connected to an access network termination equipment
Internal account, is converted into unified exterior account, for upper layer network by distribution internal account in end in access network termination equipment
For, internal account is invisible, for being required for one independent exterior account of distribution with existing each terminal, can save
Resource.
One embodiment of the invention provides a kind of access network termination equipment, can be ONT, router, home gateway etc..Institute
The access network termination equipment of offer can be by wired or wireless connection including terminal 1, terminal 2 multiple terminals, its
In, terminal 1 supports audio service, can be POTS terminals etc.；Terminal 2 can support audio and video business, such as smart mobile phone,
PAD, smart television etc..Access network termination equipment can by IMS connections terminal 3, terminal 3 belong to another family, campus or
The terminal of person factory.Access network termination equipment can carry out switching of the voice-frequency telephony to voice and video telephone between the plurality of terminals.
As shown in figure 5, access network termination equipment 4 includes user side interface 50, processing unit 52, Network Side Interface 54 and agent unit
56, registering unit 58, storage unit 59 etc. can also be included, wherein, processing unit 52 connects user side interface 50 and net respectively
Network side interface 54, can connect user side interface 50 and Network Side Interface 54 etc. by a series of buses；Agent unit 56
It is connected with processing unit 52.
User side interface 50, can be receiving converter, such as transceiver, the handover request for receiving terminal 1；To end
End 2 sends call request, and the call request carries the IP address and port information of distant end media；And receiving terminal 2
Answer message；
Processing unit 52, can be processor, such as CPU, and the IP address for the user side media during RTP is acted on behalf of is set
It is set to the IP address of terminal 2；
Network Side Interface 54 or receiving converter, such as optical module, transceiver, for self terminal in future 1 more
New media request is transmitted to terminal 3 to increase video；
Agent unit 56, for the sound after terminal 3 receives the renewal media request between proxy terminal 2 and terminal 3
Video calling.
Specifically, the IP address of distant end media entrained in the call request that user side interface 50 is sent to terminal 2 with
And port information can be the IP address of WAN mouthfuls of voice and the port information of WAN mouthfuls of voice accessed in network termination equipment.
In the present embodiment, network termination equipment 4 is accessed to one intercom number of terminal distribution each connected, these terminals
One family is may belong to, or belongs to a campus, factory etc..Between these terminals and these terminals and access network termination
It can be communicated between equipment 4 using internal account, these terminals use unified exterior account and other families, campus
Or the terminal of factory communicates.
As a kind of embodiment, terminal 1 can initiate call request by accessing network termination equipment 4 to terminal 3, at this
During a, user side interface unit 50 is used for the call request for carrying out self terminal 1, and terminal 1 is carried in the call request of terminal 1
Intercom number；
Processing unit 52 is used to replace exhaling for terminal 1 with exterior number of the upper layer network to 4 distribution of access network termination equipment
The intercom number in request is, and the RTP accessed in network termination equipment 4 the IP address acted on behalf of and port information are added to
In the call request；
Network Side Interface 54, for the IP address and port information of the exterior number and RTP agencies will to be carried
Call information be sent to terminal 3.
As another embodiment, access network termination equipment 4 can also receiving terminal 3 call request, in this mistake
Cheng Zhong,
Network Side Interface 54, the call request of self terminal 3 is carried out for receiving.
Processing unit 52, will for the exterior number in the call request to be substituted for 1 corresponding intercom number of terminal
Media IP address in call request is revised as the IP address of the RTP agencies in 1 access network termination equipment 4, and please by calling
The media port message address asked is revised as the port information of the RTP agencies in access network termination equipment 4；Pass through user's side joint
Amended call request is sent to terminal 1 by mouth 50；
User side interface 50, be additionally operable to receiving terminal 1 answers message, will answer message and is sent to processing unit 52, with
So that processing unit 52 acts on behalf of the RTP that the IP address for the local terminal media answered in message is substituted in access network termination equipment 4
IP addresses, and the port information for the local terminal media answered in message is substituted for the RTP generations in access network termination equipment 4
The port information of reason, terminal 3 is transmitted to by amended message of answering；And
Network Side Interface 54 is additionally operable to the confirmation message of receiving terminal 3, will confirm that message is sent to processing unit 52, so that
Obtain processing unit 52 and will confirm that the RTP agencies' that the IP address of the opposite end media in message is substituted in access network termination equipment 4
IP addresses, and will confirm that the port information of the opposite end media in message is substituted for the RTP agencies in access network termination equipment 4
Port information, amended confirmation message is transmitted to terminal 1 by user side interface 50.
In another embodiment, the access network termination equipment 4 provided can include registering unit 58 and deposit
Storage unit 59, as shown in Fig. 6.Wherein registering unit 58 can be integrated or independent and processing unit 52 a module,
For the registration request of receiving terminal, the registration request of terminal carries the intercom number to terminal distribution in advance.Storage unit
59 can be memory, what the intercom number and upper layer network unification for storing terminal were distributed to access network termination equipment 4
Exterior number etc..
Access network termination equipment 4 provided in this embodiment can switch between the plurality of terminals, so as to utilize difference
Business that terminal is supported realizes voice and video telephone.Multiple terminals point by being connected to an access network termination equipment at the same time
With internal account, internal account is converted into unified exterior account in access network termination equipment, for upper layer network,
Internal account is invisible, for being required for one independent exterior account of distribution with existing each terminal, can save resource.
Can be with one of ordinary skill in the art will appreciate that realizing that all or part of step in above-described embodiment method is
Relevant hardware is instructed to complete by program, the program can be stored in a computer-readable recording medium, such as
ROM/RAM, magnetic disc or CD 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 the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention, therefore, protection scope of the present invention should be subject to scope of the claims.
Claims (11)
- A kind of 1. voice and video telephone method, it is characterised in that including access network termination equipment and the access network termination equipment Pass through wired or wireless connection first terminal and second terminal；The first terminal supports audio service, and described second eventually Support audio and video business in end；The access network termination equipment connects third terminal by IP multimedia subsystem, and described first eventually End and the third terminal are in voice-frequency telephony state；The described method includes：The access network termination equipment receives the handover request of the first terminal；The access network termination equipment sends call request to the second terminal, and the call request carries distant end media IP address and port information；The access network termination equipment reception second terminal answers message, the use during realtime transmission protocol RTP is acted on behalf of The IP address of family side media is arranged to the IP address of the second terminal equipment；Renewal media request from the second terminal is transmitted to the third terminal to increase by the access network termination equipment Add video；It is described access network termination equipment the third terminal receive it is described renewal media request after act on behalf of the second terminal and Voice and video telephone between the third terminal.
- 2. according to the method described in claim 1, it is characterized in that, the IP address of the distant end media is the access network termination The IP address of WAN mouthfuls of voice wide area network in equipment；The port information of the distant end media is in the access network termination equipment WAN mouthfuls of voice port information.
- 3. according to the method described in claim 1, it is characterized in that, the access network termination equipment gives the first terminal respectively An intercom number is assigned with the second terminal；The first terminal and the third terminal be in voice-frequency telephony state it Before further include it is described access network termination equipment establish voice-frequency telephony between the first terminal and the third terminal.
- 4. according to the method described in claim 3, it is characterized in that, the access network termination equipment is in the first terminal and institute State and establish voice-frequency telephony between third terminal and specifically include：The call request from the first terminal is received, the first terminal is carried in the call request of the first terminal Intercom number；Replaced with upper layer network to the exterior number that the access network termination equipment is distributed in the call request of the first terminal Intercom number, and the IP address acted on behalf of of the RTP in the access network termination equipment and port information be added to described In call request；It will carry the IP address of exterior number and the RTP agency and the call information of port information is sent to described the Three terminals；Receive the third terminal answers message, and the IP address of RTP agencies and port information are carried in message is answered It is sent to the first terminal；AndThe confirmation message of the first terminal is received, the IP address of RTP agencies and port information are added in confirmation message and sent out Give the third terminal.
- 5. according to the method described in claim 3, it is characterized in that, the access network termination equipment is in the first terminal and institute State and establish voice-frequency telephony between third terminal and specifically include：Receive the call request from the third terminal;Exterior number in the call request is substituted for the corresponding intercom number of the first terminal, by call request Media IP address is revised as the IP address of the RTP agencies in the access network termination equipment, and by the media in call request It is revised as the port information of the RTP agencies in the access network termination equipment in port information address；By amended call request It is sent to the first terminal；Receive the first terminal answers message, and the IP address for the local terminal media answered in message is substituted for the access net The IP address of RTP agencies on terminal device, and the port information for the local terminal media answered in message is substituted for described connect The port information of RTP agencies on networking terminal device, the third terminal is transmitted to by amended message of answering；The confirmation message of the third terminal is received, will confirm that the IP address of the opposite end media in message is substituted for the access net The IP address of RTP agencies on terminal device, and will confirm that the port information of the opposite end media in message is substituted for described connect The port information of RTP agencies on networking terminal device, the first terminal is transmitted to by amended confirmation message.
- 6. according to the method described in claim 1, it is characterized in that, the access network termination equipment gives the first terminal respectively An intercom number is assigned with the second terminal；The terminal to be switched is carried in the handover request of the first terminal Intercom number, the access network termination equipment send to corresponding terminal according to the intercom number of the terminal to be switched and call Request.
- 7. one kind access network termination equipment, it is characterised in that the access network termination equipment passes through wired or be wirelessly connected with First terminal and second terminal；The first terminal supports audio service, and the second terminal supports audio and video business；It is described to connect Networking terminal device connects third terminal by IP multimedia subsystem, and the first terminal and the third terminal are in audio Talking state；The access network termination equipment includes：User side interface, for receiving the handover request of the first terminal；Call request is sent to the second terminal, it is described Call request carries the IP address and port information of distant end media；And receive the second terminal answers message；Processing unit, the IP address for the user side media during realtime transmission protocol RTP is acted on behalf of are arranged to described second eventually The IP address at end；Network Side Interface, is regarded for the renewal media request from the second terminal to be transmitted to the third terminal with increasing Frequently；Agent unit, for acting on behalf of the second terminal and described the after the third terminal receives the renewal media request Voice and video telephone between three terminals.
- 8. access network termination equipment according to claim 7, it is characterised in that registering unit is further included, for receiving The registration request of first terminal and the registration request of second terminal are stated, the registration request of the first terminal carries described first The pre-assigned intercom number of terminal, the registration request of the second terminal carry the pre-assigned inside of the second terminal Number.
- 9. the access network termination equipment according to claim 7-8 any one, it is characterised in that the access network termination is set Standby is ONT Optical Network Terminal ONT, router or home gateway.
- 10. a kind of voice and video telephone system, it is characterised in that including access network termination equipment, first terminal and second terminal；Institute State access network termination equipment pass through it is wired or be wirelessly connected with the first terminal and second terminal；The first terminal is supported Audio service, the second terminal support audio and video business；The access network termination equipment is connected by IP multimedia subsystem Third terminal, the first terminal and the third terminal are in voice-frequency telephony state；Wherein, the access network termination equipment is used for the handover request for receiving the first terminal；Sent to the second terminal Call request, the call request carry the IP address and port information of distant end media；Receive connecing for the second terminal Message is listened, the IP address of the user side media during realtime transmission protocol RTP is acted on behalf of is arranged to the IP of the second terminal equipment Address；Renewal media request from the second terminal is transmitted to the third terminal to increase video；And described The voice and video telephone between the second terminal and the third terminal is acted on behalf of after the third terminal receiving renewal media request.
- 11. system according to claim 10, it is characterised in that the IP address of the distant end media is whole for the access net The IP address of WAN mouthfuls of voice wide area network in end equipment；The port information of the distant end media is the access network termination equipment On WAN mouthfuls of voice port information.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310516170.0A CN104580119B (en) | 2013-10-28 | 2013-10-28 | Voice and video telephone method, apparatus and system |
| PCT/CN2014/089515 WO2015062454A1 (en) | 2013-10-28 | 2014-10-25 | Audio and video call method, device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310516170.0A CN104580119B (en) | 2013-10-28 | 2013-10-28 | Voice and video telephone method, apparatus and system |
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| Publication Number | Publication Date |
|---|---|
| CN104580119A CN104580119A (en) | 2015-04-29 |
| CN104580119B true CN104580119B (en) | 2018-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310516170.0A Active CN104580119B (en) | 2013-10-28 | 2013-10-28 | Voice and video telephone method, apparatus and system |
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|---|---|
| CN (1) | CN104580119B (en) |
| WO (1) | WO2015062454A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104869347B (en) * | 2015-05-18 | 2018-10-30 | 小米科技有限责任公司 | Video call method and device |
| CN106488167A (en) * | 2015-08-26 | 2017-03-08 | 中兴通讯股份有限公司 | A kind of video call method, the network equipment, terminal and system |
| CN105847736A (en) * | 2016-04-05 | 2016-08-10 | 上海斐讯数据通信技术有限公司 | Video conversation system and video conversation method |
| CN107733673B (en) * | 2016-08-12 | 2021-06-29 | 阿里巴巴集团控股有限公司 | Cross-device communication switching method, device and system |
| CN111405121B (en) * | 2020-02-26 | 2021-06-18 | 深圳震有科技股份有限公司 | User behavior operation monitoring method and system based on voice call |
| CN112291514B (en) * | 2020-10-13 | 2023-08-01 | 中移（杭州）信息技术有限公司 | Remote audio and video call method and device and OTT platform system |
| CN116566955B (en) * | 2023-07-07 | 2023-09-19 | 杭州英旭智能科技有限公司 | Digital voice call method, device and application based on mqtt |
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| US7164762B2 (en) * | 2003-10-01 | 2007-01-16 | At&T Corp. | Enhanced call feature service |
| CN101087241B (en) * | 2006-06-06 | 2011-04-20 | 华为技术有限公司 | An implementation method of third-party control service |
| CN1964400A (en) * | 2006-11-22 | 2007-05-16 | 华为技术有限公司 | A method and terminal for realizing call maintenance |
| CN101389077A (en) * | 2008-10-24 | 2009-03-18 | 华为技术有限公司 | Method, apparatus and system for call switching |
| CN101888381B (en) * | 2010-06-29 | 2013-07-03 | 北京邮电大学 | Communication system and method for realizing terminal switching by crossing networks and operators |
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| WO2015062454A1 (en) | 2015-05-07 |
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