CN104468622B - The method that Three-Way Calling is realized based on Session Initiation Protocol call waiting - Google Patents

The method that Three-Way Calling is realized based on Session Initiation Protocol call waiting Download PDF

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Publication number
CN104468622B
CN104468622B CN201410829784.9A CN201410829784A CN104468622B CN 104468622 B CN104468622 B CN 104468622B CN 201410829784 A CN201410829784 A CN 201410829784A CN 104468622 B CN104468622 B CN 104468622B
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terminal
tunnel
way
via terminal
call
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CN104468622A (en
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吴凯军
赵培超
姚栋
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SHANGHAI DIGITAL SWITCHING COMMUNICATION EQUIPMENT Ltd Co
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SHANGHAI DIGITAL SWITCHING COMMUNICATION EQUIPMENT Ltd Co
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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]
    • 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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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Telephonic Communication Services (AREA)

Abstract

The present invention relates to a kind of method that Three-Way Calling is realized based on Session Initiation Protocol call waiting, establishes and converses with the second tunnel terminal including first via terminal；First via terminal described in 3rd road terminal call；The incoming call that first via terminal receives the 3rd tunnel terminal asks and judges whether to have enabled call waiting, and the incoming call request of the 3rd tunnel terminal described in first via terminal-pair is prompted by way of playback；The first via terminal accesses the 3rd tunnel terminal and keeps the call with the second tunnel terminal；The first via terminal accesses the second tunnel terminal being kept and carries out Three-Way Calling again.Using the method that Three-Way Calling is realized based on Session Initiation Protocol call waiting of this kind of structure, Three-Way Calling can be realized during call waiting, more usage experience is provided, business realizing is completed in terminal entirely, independent of server, it is easily achieved, it is easy to use, there is wider application range.

Description

The method that Three-Way Calling is realized based on Session Initiation Protocol call waiting
Technical field
The present invention relates to field of communication technology, more particularly to stream terminal to realize supplementary service field, in particular to a kind of base In the method that Session Initiation Protocol call waiting realizes Three-Way Calling.
Background technology
With the rapid development of computer networking technology and the increasingly deep of multimedia technology application and popularize, based on interconnection The multimedia communication of net has become one of trend of current internet development, wherein the most typical case and what is be used widely be exactly VoIP (Voice over Internet Protocol, the networking telephone).
So-called VoIP is using IP packet switching networks as transmission platform, and the voice signal of simulation is compressed, is packed Etc. a series of specially treated, make it possible to use connectionless UDP (User Datagram Protocol, user datagram Agreement) agreement is transmitted.It is an extremely complex system engineering to carry out voice communication by internet, its application surface is very Extensively, therefore the technology that is related to is also especially more, wherein most basic technology is VoIP (VoiceoverIP) technology, it may be said that Yin Te Net voice communication is that one of voip technology is most typical, is also most promising application field.
For the basic service of voice communication, supplementary service is also part larger in VOIP applications.
Call waiting is exactly more common in VoIP supplementary services, when user is being conversed, and is exhaled Cry and sent to user.At this moment the side for initiating newly to call is placed in wait, and user can answer third party's phone in communication process, And can between two calls free switching business, have the advantages that convenient and efficient, accurately and timely.
But in actual application scenarios, after often appearing in access third party's phone, second can only be toggled Square and third-party call, cannot be introduced into the scene of Three-Way Calling.
The content of the invention
The shortcomings that the purpose of the present invention is overcoming the above-mentioned prior art, there is provided one kind can be realized in Call Waiting industry Three-Way Calling is accessed during business, is easily achieved, is easy to use, there is being called based on Session Initiation Protocol for broader applications scope etc. The method that standby service realizes Three-Way Calling.
To achieve these goals, the method tool of the invention that Three-Way Calling is realized based on Session Initiation Protocol call waiting There is following composition：
This realizes the method for Three-Way Calling based on Session Initiation Protocol call waiting, it is mainly characterized by, the method bag Include following steps：
(1) first via terminal is established with the second tunnel terminal and conversed；
First via terminal described in (2) the 3rd road terminal calls；
(3) first via terminal described in accesses the 3rd tunnel terminal and keeps the call with the second tunnel terminal；
(4) first via terminal described in accesses the second tunnel terminal being kept and carries out Three-Way Calling again.
It is preferred that the first via terminal described in the 3rd road terminal call, comprises the following steps：
The incoming call that first via terminal described in (2-1) receives the 3rd tunnel terminal asks and judges whether to have enabled Call waiting, if it is, continuing step (2-2), otherwise terminates to exit；
The incoming call request of the 3rd tunnel terminal described in first via terminal-pair described in (2-2) is carried by way of playback Show.
It is preferred that the first via terminal accesses the 3rd tunnel terminal and keeps the call with the second tunnel terminal, including with Lower step：
First via terminal described in (3-1) keeps the call with the second tunnel terminal by way of hooking；
First via terminal described in (3-2) is conversed by way of hooking with the 3rd tunnel terminal.
More preferably, the first via terminal keeps the call with the second tunnel terminal by way of hooking, tool Body is：
The first via terminal is sent invite request of the media parameter with sendonly by way of hooking and disappeared Cease to the second tunnel terminal to keep the call with the second tunnel terminal.
More preferably, the first via terminal is conversed by way of hooking with the 3rd tunnel terminal, specifically For：
The first via terminal sends 200ok to the 3rd tunnel terminal and the described the 3rd by way of hooking Road terminal is conversed.
It is preferred that the first via terminal accesses the second tunnel terminal being kept again, comprise the following steps：
First via terminal described in (4-1) accesses the second tunnel terminal by way of hooking；
First via terminal described in (4-2) is in locally progress tripartite's Media Stream audio mixing.
More preferably, the first via terminal accesses the second tunnel terminal by way of hooking, is specially：
The first via terminal is sent invite request of the media parameter with sendrecv by way of hooking and disappeared Cease to the second tunnel terminal to access the second tunnel terminal.
The method that Three-Way Calling is realized based on Session Initiation Protocol call waiting in the invention is employed, have has as follows Beneficial effect：
(1) Three-Way Calling can be realized during call waiting, there is provided more usage experience.
(2) business realizing is completed in terminal entirely, independent of server, it is easy to accomplish, it is easy to use, have wider Application range.
Brief description of the drawings
Fig. 1 is the flow chart of the method that Three-Way Calling is realized based on Session Initiation Protocol call waiting of the present invention.
Fig. 2 realizes that the method for Three-Way Calling is applied to an embodiment for the present invention's based on Session Initiation Protocol call waiting Flow chart.
Embodiment
In order to more clearly describe the technology contents of the present invention, carried out with reference to specific embodiment further Description.
In order to achieve the object of the present invention, it is of the invention based on SIP (Session Initiation Protocol, session Initiation protocol) protocol call latency services realize that the method for Three-Way Calling comprises the following steps：
(1) first via terminal is established with the second tunnel terminal and conversed；
First via terminal described in (2) the 3rd road terminal calls；
(3) first via terminal described in accesses the 3rd tunnel terminal and keeps the call with the second tunnel terminal；
(4) first via terminal described in accesses the second tunnel terminal being kept and carries out Three-Way Calling again.
In a kind of preferably embodiment, the first via terminal described in the 3rd road terminal call, including it is following Step：
The incoming call that first via terminal described in (2-1) receives the 3rd tunnel terminal asks and judges whether to have enabled Call waiting, if it is, continuing step (2-2), otherwise terminates to exit；
The incoming call request of the 3rd tunnel terminal described in first via terminal-pair described in (2-2) is carried by way of playback Show.
In a kind of preferably embodiment, the first via terminal accesses the 3rd tunnel terminal and keeps whole with the second tunnel The call at end, comprises the following steps：
First via terminal described in (3-1) keeps the call with the second tunnel terminal by way of hooking；
First via terminal described in (3-2) is conversed by way of hooking with the 3rd tunnel terminal.
In a kind of more preferably embodiment, the first via terminal is kept and described second by way of hooking The call of road terminal, is specially：
The first via terminal is sent invite request of the media parameter with sendonly by way of hooking and disappeared Cease to the second tunnel terminal to keep the call with the second tunnel terminal.
In a kind of more preferably embodiment, the first via terminal is whole with the 3rd tunnel by way of hooking End is conversed, and is specially：
The first via terminal sends 200ok to the 3rd tunnel terminal and the described the 3rd by way of hooking Road terminal is conversed.
In a kind of preferably embodiment, the first via terminal accesses the second tunnel terminal being kept again, bag Include following steps：
First via terminal described in (4-1) accesses the second tunnel terminal by way of hooking；
First via terminal described in (4-2) is in locally progress tripartite's Media Stream audio mixing.
In a kind of more preferably embodiment, the first via terminal accesses second tunnel by way of hooking Terminal, is specially：
The first via terminal is sent invite request of the media parameter with sendrecv by way of hooking and disappeared Cease to the second tunnel terminal to access the second tunnel terminal.
The present invention is further described with a specific embodiment below.It is illustrated in figure 2 under the Session Initiation Protocol of the present embodiment and exhales Latency services are made to realize the flow chart of the method for Three-Way Calling.The present embodiment is used for call waiting under Session Initiation Protocol to be a kind of The method for realizing Three-Way Calling, the present embodiment be realize goal of the invention use technical solution be, the present embodiment in Session Initiation Protocol Lower call waiting realizes that the technical solution of the method for Three-Way Calling is：When first described in the 3rd road terminal call After the terminal of road, inform that the first via terminal has new incoming call by way of prompt tone；
The first via terminal hooking access the 3rd tunnel terminal, maintains the second tunnel terminal, realizes Call waiting function；
Hooking, the first via terminal access the second tunnel terminal to the first via terminal again.
Call and establish call and be based on Session Initiation Protocol realization, access call is completed by phone hooking, described Call is kept to be realized by Session Initiation Protocol invite message.
According to above technical scheme, under the Session Initiation Protocol call waiting realize Three-Way Calling method include with Lower step：
(1) first via terminal opens call waiting function, and first via terminal is established with the second tunnel terminal and conversed, and the 3rd tunnel is whole End calling first via terminal, first via terminal receive incoming call prompting.
(2) first via terminal accesses the 3rd tunnel terminal, keeps the second tunnel terminal
(3) first via terminal accesses the second tunnel terminal again, realizes Three-Way Calling.
It is preferred that the method that call waiting realizes Three-Way Calling under the Session Initiation Protocol, it is characterised in that described First via terminal open call waiting function, first via terminal is established with the second tunnel terminal and conversed, the 3rd road terminal call the Terminal all the way, first via terminal receive incoming call prompting, comprise the following steps：
(11) the incoming call request that the first via terminal described in receives the 3rd tunnel terminal judges whether to have enabled calling Latency services；
(12) first via terminal described in the exhaling to the 3rd tunnel terminal on the basis of call waiting is opened Enter request prompts the first via terminal to have new incoming call request by way of playback.
It is preferred that the method that call waiting realizes Three-Way Calling under the Session Initiation Protocol, it is characterised in that described First via terminal access the 3rd tunnel terminal, keep the second tunnel terminal, comprise the following steps：
(21) for the first via terminal described in by way of hooking, sending invite of the media parameter with sendonly please Message is asked to maintain the second tunnel terminal to the second tunnel terminal；
(22) first via terminal described in sends 200ok to the 3rd tunnel terminal, with the 3rd by way of hooking The 3rd tunnel terminal described in the terminal of road is conversed.
It is preferred that the method that call waiting realizes Three-Way Calling under the Session Initiation Protocol, it is characterised in that described First via terminal access the second tunnel terminal again, realize Three-Way Calling, comprise the following steps：
(31) for the first via terminal described in by way of hooking, sending invite of the media parameter with sendrecv please Message is asked to access the second tunnel terminal to the second tunnel terminal；
(32) first via terminal described in completes local tripartite's Media Stream audio mixing, realizes three party service.
The method that Three-Way Calling is realized based on Session Initiation Protocol call waiting in the invention is employed, have has as follows Beneficial effect：
(1) Three-Way Calling can be realized during call waiting, there is provided more usage experience.
(2) business realizing is completed in terminal entirely, independent of server, it is easy to accomplish, it is easy to use, have wider Application range.
In this description, the present invention is described with reference to its specific embodiment.But it is clear that it can still make Various modifications and alterations are without departing from the spirit and scope of the present invention.Therefore, specification and drawings are considered as illustrative It is and nonrestrictive.

Claims (6)

  1. A kind of 1. method that Three-Way Calling is realized based on Session Initiation Protocol call waiting, it is characterised in that the method includes Following steps：
    (1) first via terminal is established with the second tunnel terminal and conversed；
    First via terminal described in (2) the 3rd road terminal calls, comprises the following steps：
    The incoming call that first via terminal described in (2-1) receives the 3rd tunnel terminal asks and judges whether to have enabled calling Latency services, if it is, continuing step (2-2), otherwise terminate to exit；
    The incoming call request of the 3rd tunnel terminal described in first via terminal-pair described in (2-2) is prompted by way of playback；
    (3) first via terminal described in accesses the 3rd tunnel terminal and keeps the call with the second tunnel terminal；
    (4) first via terminal described in accesses the second tunnel terminal being kept and carries out Three-Way Calling again.
  2. 2. the method according to claim 1 that Three-Way Calling is realized based on Session Initiation Protocol call waiting, its feature are existed In the first via terminal accesses the 3rd tunnel terminal and keeps the call with the second tunnel terminal, comprises the following steps：
    First via terminal described in (3-1) keeps the call with the second tunnel terminal by way of hooking；
    First via terminal described in (3-2) is conversed by way of hooking with the 3rd tunnel terminal.
  3. 3. the method according to claim 2 that Three-Way Calling is realized based on Session Initiation Protocol call waiting, its feature are existed In the first via terminal keeps the call with the second tunnel terminal by way of hooking, is specially：
    The first via terminal sends invite request message of the media parameter with sendonly extremely by way of hooking The second tunnel terminal is to keep the call with the second tunnel terminal.
  4. 4. the method according to claim 2 that Three-Way Calling is realized based on Session Initiation Protocol call waiting, its feature are existed In the first via terminal is conversed by way of hooking with the 3rd tunnel terminal, is specially：
    It is whole with the 3rd tunnel to the 3rd tunnel terminal that the first via terminal sends 200ok by way of hooking Converse at end.
  5. 5. the method according to claim 1 that Three-Way Calling is realized based on Session Initiation Protocol call waiting, its feature are existed In the first via terminal accesses the second tunnel terminal being kept again, comprises the following steps：
    First via terminal described in (4-1) accesses the second tunnel terminal by way of hooking；
    First via terminal described in (4-2) is in locally progress tripartite's Media Stream audio mixing.
  6. 6. the method according to claim 5 that Three-Way Calling is realized based on Session Initiation Protocol call waiting, its feature are existed In the first via terminal accesses the second tunnel terminal by way of hooking, is specially：
    The first via terminal sends invite request message of the media parameter with sendrecv extremely by way of hooking The second tunnel terminal is to access the second tunnel terminal.
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CN105491040A (en) * 2015-12-07 2016-04-13 上海市共进通信技术有限公司 Multiparty conference calling method based on SIP protocol

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CN101729555A (en) * 2009-11-13 2010-06-09 中兴通讯股份有限公司 Method and system for realizing multi-party call of intelligent call services
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