CN102104695B - Method and system for optionally switching conversation on both sides in calling service - Google Patents
Method and system for optionally switching conversation on both sides in calling service Download PDFInfo
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- CN102104695B CN102104695B CN201110042221.1A CN201110042221A CN102104695B CN 102104695 B CN102104695 B CN 102104695B CN 201110042221 A CN201110042221 A CN 201110042221A CN 102104695 B CN102104695 B CN 102104695B
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- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
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- H04L65/1069—Session establishment or de-establishment
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Abstract
The invention discloses a method and system for optionally switching a conversation on both sides in calling service, wherein the method comprises the following steps: in the process that a first user terminal and a second user terminal communicate with each other through an AS (application server), when the AS knows that the first user terminal keeps the present conversation and the AS receives a request message for the first user terminal to carry an optional switching service code, the AS enables the first user terminal and a third user terminal related to the request message to have media negotiation with each other and enables the second user terminal and the third user terminal to have media negotiation with each other so as to establish a conversation between the second user terminal and the third user terminal; and then, the conversation between the first and second user terminals is cut off. In the invention, the method and the system are unrelated to terminals without needing a terminal to support the function of sending a refer message, and various types of terminals on the present network can be operated; and the conversion can be switched to a bound user, or, the conversation can be switched to an appointed user.
Description
Technical field
The present invention relates to communication field, relate in particular to and in a kind of call business, realize the method and system that both sides converse and arbitrarily switch.
Background technology
Service switchover after traditional call, realizes by call diversion, comprises that blind turning with inquiry turns, and this type of switching needs terminal support to send refer (indication) message.
As shown in Figure 1, for available technology adopting refer message realizes the schematic diagram that both sides converse and arbitrarily switch, wherein, in user A and B (by user terminal UE-A and UE-B) communication process, the mode that B adopts calling to keep keeps the call with A, then, adopt refer message that calling is switched to AC from AB.
But what have transmission refer message capability is generally the terminal than higher-end, and ordinary terminal does not have this ability conventionally.How making ordinary terminal in communication process, can also have the function of switching after call, is the problem of needing solution badly.
Summary of the invention
The technical problem to be solved in the present invention overcomes above-mentioned the deficiencies in the prior art exactly, propose to realize in a kind of call business the method and system that both sides converse and arbitrarily switch, to solve, how to make ordinary terminal in communication process, there is the problem of the function of switching after call.
In order to address the above problem, the invention provides in a kind of call business and realize the method that both sides converse and arbitrarily switch, comprising:
In first user terminal and the second user terminal, pass through in application server (AS) communication process, as described AS, know described first user terminal and keep existing call, and when described AS receives described first user terminal and carries the request message of arbitrarily cutting service code, between the 3rd user terminal that described AS makes first user terminal be associated with described request message, carry out media negotiation, make to carry out media negotiation between described the second user terminal and described the 3rd user terminal, thereby set up the call between described the second user terminal and the 3rd user terminal; Then, disconnect the call between described first user terminal and the second user terminal.
Preferably, said method has following characteristics:
Described request message is to carry arbitrarily to cut the invitation message of service code or carry the invitation message of arbitrarily cutting service code and the 3rd user terminal number.
Preferably, said method has following characteristics:
Between the 3rd user terminal that described AS makes first user terminal be associated with described request message, carry out media negotiation, after described the 3rd user terminal is added to session, to described first user terminal, send releasing request, to finish the session between described first user terminal and the 3rd user terminal.
Preferably, said method has following characteristics:
Between the 3rd user terminal that described AS makes first user terminal be associated with described request message, carry out media negotiation, the step of carrying out media negotiation between described the second user terminal and described the 3rd user terminal comprised:
Described AS obtains the media information of described first user terminal, sends to the 3rd user terminal, obtains the media information of stating the 3rd user terminal, sends to described first user terminal;
Described AS obtains the media information of described the second user terminal, sends to the 3rd user terminal, obtains the media information of stating the 3rd user terminal, sends to described the second user terminal.
Preferably, said method has following characteristics:
Described AS, by sending releasing request to described first user terminal, disconnects the call between described first user terminal and the second user terminal.
In order to address the above problem, the invention provides in a kind of call business and realize the system that realizes that both sides converse and arbitrarily switch, be applied to AS, comprise and arbitrarily cut trigger module, media negotiation module and release module, wherein,
Described arbitrarily cut trigger module for, when knowing that first user terminal and the second user terminal keep existing call in the terminal of first user described in communication process, and, when receiving described first user terminal and carrying the request message of arbitrarily cutting service code, notify described media negotiation module;
Described media negotiation module is used for, according to described notice of arbitrarily cutting trigger module, between the 3rd user terminal that first user terminal is associated with described request message, carry out media negotiation, make to carry out media negotiation between described the second user terminal and described the 3rd user terminal;
Described release module is used for, and described media negotiation module disconnects the call between described first user terminal and the second user terminal after making to carry out media negotiation between described the second user terminal and described the 3rd user terminal.
Preferably, said system has following characteristics:
Described request message is to carry arbitrarily to cut the invitation message of service code or carry the invitation message of arbitrarily cutting service code and the 3rd user terminal number.
Preferably, said system has following characteristics:
Described release module is further used for, between the 3rd user terminal that first user terminal is associated in described media negotiation module with described request message, carry out media negotiation, after described the 3rd user terminal is added to session, to described first user terminal, send releasing request, to finish the session between described first user terminal and the 3rd user terminal.
Preferably, said system has following characteristics:
Described media negotiation module is further used for, while making to carry out media negotiation between first user terminal and described the 3rd user terminal, obtain the media information of described first user terminal, send to the 3rd user terminal, obtain the media information of stating the 3rd user terminal, send to described first user terminal; While making to carry out media negotiation between described the second user terminal and described the 3rd user terminal, obtain the media information of described the second user terminal, send to the 3rd user terminal, obtain the media information of stating the 3rd user terminal, send to described the second user terminal.
Preferably, said system has following characteristics:
Described release module is further used for, and by sending releasing request to described first user terminal, disconnects the call between described first user terminal and the second user terminal.
The present invention and terminal are irrelevant, as support CDMA (Code Division Multiple Access, code division multiple access) network or GSM (Global System for Mobile Communications, global system for mobile communications) network mobile phone, PSTN (Public Switched Telephone Network, PSTN) terminal, IMS (IP Multimedia Subsystem, IP Multimedia System) terminal etc.; Do not need terminal support to send the ability of refer message, each Terminal Type of existing network all can operate; Call can be switched to the user of binding, also call can be switched to the user of appointment.And along with the emergence of 3G network, the fusion of CS (speech business) and PS (data service) network, makes the present invention have boundless development and usage space.
Accompanying drawing explanation
Fig. 1 is that prior art is used refer message to realize the schematic diagram that both sides converse and arbitrarily switch;
Fig. 2 is the flow chart of application example of the present invention;
Fig. 3 is the signaling process figure of application example of the present invention.
Embodiment
Hereinafter in connection with accompanying drawing, embodiments of the invention are elaborated.It should be noted that, in the situation that not conflicting, the embodiment in the application and the feature in embodiment be combination in any mutually.
Basic thought of the present invention is, a kind of both sides are provided the business of arbitrarily cutting of conversing, be user A with user B communication process in keep user B, by dialing service code or service code adds assigned number, business after the call of user A is switched to user C exits user A, BC both sides' call.Afterwards, in B or C, can keep current talking again, by dialing service code or service code, add assigned number and will converse and switch to other user, such as, user C can keep user B, by dialing service code or service code, add assigned number call switchback is exited to user A and user C, AB both sides' call.Certainly, user C also can switch call to other user, such as user D.Like this, realize caller's random switching.
Particularly, can realize in the following way:
In first user terminal and the second user terminal, pass through in AS communication process, as described AS, know described first user terminal and keep existing call, and when described AS receives described first user terminal and carries the request message of arbitrarily cutting service code, between the 3rd user terminal that described AS makes first user terminal be associated with described request message, carry out media negotiation, thereby described the 3rd user terminal is added to session, then, make to carry out media negotiation between described the second user terminal and described the 3rd user terminal, thereby set up the call between described the second user terminal and the 3rd user terminal, finally, disconnect the call between described first user terminal and the second user terminal.
Wherein, above-mentioned first user terminal is the terminal of user A, also can be called user terminal A; The second user terminal is the terminal of user B, also can be called user terminal B; The 3rd user terminal is the terminal of user C, also can be called user terminal C.
The user of first user terminal can arbitrarily cut this service code and the binding of the 3rd user terminal, and described request message can be to carry the invitation message (INVITE) of arbitrarily cutting service code like this, without carrying the 3rd user terminal number; Certainly, also can be without binding, like this, request message carries the 3rd user terminal number, and described request message is to carry the invitation message of arbitrarily cutting service code and the 3rd user terminal number.
In addition, in one embodiment, between the 3rd user terminal that described AS makes first user terminal be associated with described request message, carry out media negotiation, after described the 3rd user terminal is added to session, to described first user terminal, send releasing request, to finish the session between described first user terminal and the 3rd user terminal.
Between the 3rd user terminal that described AS makes first user terminal be associated with described request message, carrying out media negotiation specifically realizes in the following way: described AS obtains the media information of described first user terminal, send to the 3rd user terminal, obtain the media information of stating the 3rd user terminal, send to described first user terminal;
Described AS makes to carry out media negotiation between described the second user terminal and described the 3rd user terminal and specifically realizes in the following way: described AS obtains the media information of described the second user terminal, send to the 3rd user terminal, obtain the media information of stating the 3rd user terminal, send to described the second user terminal.
In addition, in one embodiment, described AS, by sending releasing request to described first user terminal, disconnects the call between described first user terminal and the second user terminal.
Correspondingly, in the call business of the embodiment of the present invention, realize the system that realizes that both sides converse and arbitrarily switch, be applied to AS, comprise and arbitrarily cut trigger module, media negotiation module and release module, wherein,
Described arbitrarily cut trigger module for, when knowing that first user terminal and the second user terminal keep existing call in the terminal of first user described in communication process, and, when receiving described first user terminal and carrying the request message of arbitrarily cutting service code, notify described media negotiation module;
Described media negotiation module is used for, according to described notice of arbitrarily cutting trigger module, between the 3rd user terminal that first user terminal is associated with described request message, carry out media negotiation, make to carry out media negotiation between described the second user terminal and described the 3rd user terminal;
Described release module is used for, and described media negotiation module disconnects the call between described first user terminal and the second user terminal after making to carry out media negotiation between described the second user terminal and described the 3rd user terminal.
Described release module can be further used for, between the 3rd user terminal that first user terminal is associated in described media negotiation module with described request message, carry out media negotiation, after described the 3rd user terminal is added to session, to described first user terminal, send releasing request, to finish the session between described first user terminal and the 3rd user terminal.
Described release module is further used for, and by sending releasing request to described first user terminal, disconnects the call between described first user terminal and the second user terminal.
Described media negotiation module can be further used for, while making to carry out media negotiation between first user terminal and described the 3rd user terminal, obtain the media information of described first user terminal, send to the 3rd user terminal, obtain the media information of stating the 3rd user terminal, send to described first user terminal; While making to carry out media negotiation between described the second user terminal and described the 3rd user terminal, obtain the media information of described the second user terminal, send to the 3rd user terminal, obtain the media information of stating the 3rd user terminal, send to described the second user terminal.
Based on IMS or NGN (next generation network, Next Generation Network) network, the present invention is described in further detail below.
The network element that this application example relates to comprises:
User terminal (User Equipment, be called for short UE): the device that user makes a call, answers the call and does other call operations, as cdma network or GSM network mobile phone, PSTN terminal, IMS terminal etc.
Arbitrarily cut application server (Random Switch Application Server is called for short RS AS): provide bottom arbitrarily to cut professional ability, as: call out and control, state reporting, the functions such as ticket generation.
Wherein, RS AS and UE are used SIP (Session Initiation Protocol, session initiation protocol) protocol interconnection by core net.In actual realization, RS AS and UE access or anchor in IMS network or NGN network, because IMS or NGN network topology are prior art, so the present invention has omitted related description.
With A in user AB communication process, keep B below, the flow process that is switched to BC call is that example is described, and wherein, specific implementation flow process as shown in Figure 2, comprising:
Step 1, user A arbitrarily cuts service-user, and in call, user A can be that caller can be also called with user B.
Step 2, user A keeps user B, and user B listens to call out and keeps prompt tone.
Step 3, user A dials arbitrarily to cut service code or arbitrarily cut service code and adds assigned number, gives RSAS.
Step 4, user bound or the designated user of RS AS calling party A, be labeled as user C.
Step 5, after user C off-hook, RS AS is by user B, C bridge joint, and releasing user A, i.e. BC call, A pass-out.
Step 6, if user C thinks switchback user A, returns to step 1, wherein the role exchange of user A and user C.
If Fig. 3 is the concrete signaling process figure of step 3～5 in Fig. 2, comprise the steps:
Step 301, UE A makes a call request INVITE (invitation message) to RS AS, and carries the information of some callings, as arbitrarily cut service code or arbitrarily cutting the media information etc. that service code adds assigned number, UE A.
Step 302, RS AS sends INVITE request to UE C, and carries the media information of UE A.
Step 303, UE C returns to 180 responses of INVITE to RS AS.
Step 304, RS AS returns to 180 responses of INVITE to UE A.
Step 305, UE C returns to the 200 OK responses of INVITE to RS AS, carry the media information of UE C.
Step 306, RS AS returns to the 200 OK responses of INVITE to UE A, carry the media information of UE C.
Step 307, RS AS sends ACK confirmation to UE C.
Step 308, RS AS sends BYE request (release message) to UE A, finishes the call of UE A and UE C.
Step 309, RS AS sends REINVITE request (heavy invitation message) to UE C, does not carry media information.
Step 310, UE A returns to the 200 OK responses of BYE to RS AS.
Step 311, UE C returns to the 200 OK responses of REINVITE to RS AS, carry the media information of UE C.
Step 312, RS AS sends REINVITE request to UE B, carries the media information of UE C.
Step 313, UE B returns to the 200 OK responses of REINVITE to RS AS, carry the media information of UE B.
Step 314, RS AS sends ACK confirmation to UE B.
Step 315, RS AS sends ACK confirmation to UE C, carries the media information of UE B.
Step 316, RS AS sends BYE request to UE A, finishes the call of UE A and UE B.
Step 317, UE A returns to the 200 OK responses of BYE to RS AS.
Now, C and B call, A exits.
In above-mentioned flow process, because A and B call, maintenances B are prior art, so detailed description not.
In C and B call, after A exits, B or C also can be with reference to above-mentioned flow processs, and will converse switchback A or switching are to other user.
In sum, the both sides that the present invention the proposes business of cutting of conversing arbitrarily belongs to a kind of B2B (formula back-to-back) and calls out class service, to record and arbitrarily cut user's communication information by application server AS, do not need terminal to support refer message, only need to dial specific service code or service code and add assigned number and just certain user's call can be switched to another user and hang up original subscriber, have broad application prospects.
One of ordinary skill in the art will appreciate that all or part of step in said method can come instruction related hardware to complete by program, described program can be stored in computer-readable recording medium, as read-only memory, disk or CD etc.Alternatively, all or part of step of above-described embodiment also can realize with one or more integrated circuits, and correspondingly, each the module/unit in above-described embodiment can adopt the form of hardware to realize, and also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. in call business, realize the method that both sides converse and arbitrarily switch, comprising:
In first user terminal and the second user terminal, pass through in application server (AS) communication process, as described AS, know described first user terminal and keep existing call, and when described AS receives described first user terminal and carries the request message of arbitrarily cutting service code, between the 3rd user terminal that described AS makes first user terminal be associated with described request message, carry out media negotiation, make to carry out media negotiation between described the second user terminal and described the 3rd user terminal, thereby set up the call between described the second user terminal and the 3rd user terminal; Then, disconnect the call between described first user terminal and the second user terminal;
Between the 3rd user terminal that described AS makes first user terminal be associated with described request message, carry out media negotiation, after described the 3rd user terminal is added to session, to described first user terminal, send releasing request, to finish the session between described first user terminal and the 3rd user terminal.
2. the method for claim 1, is characterized in that,
Described request message is to carry arbitrarily to cut the invitation message of service code or carry the invitation message of arbitrarily cutting service code and the 3rd user terminal number.
3. the method for claim 1, is characterized in that,
Between the 3rd user terminal that described AS makes first user terminal be associated with described request message, carry out media negotiation, the step of carrying out media negotiation between described the second user terminal and described the 3rd user terminal comprised:
Described AS obtains the media information of described first user terminal, sends to the 3rd user terminal, obtains the media information of stating the 3rd user terminal, sends to described first user terminal;
Described AS obtains the media information of described the second user terminal, sends to the 3rd user terminal, obtains the media information of stating the 3rd user terminal, sends to described the second user terminal.
4. the method as described in any one in claim 1～3, is characterized in that,
Described AS, by sending releasing request to described first user terminal, disconnects the call between described first user terminal and the second user terminal.
5. in call business, realize the system that realizes that both sides converse and arbitrarily switch, be applied to AS, it is characterized in that, comprise and arbitrarily cut trigger module, media negotiation module and release module, wherein,
Described arbitrarily cut trigger module for, when knowing that first user terminal and the second user terminal keep existing call in the terminal of first user described in communication process, and, when receiving described first user terminal and carrying the request message of arbitrarily cutting service code, notify described media negotiation module;
Described media negotiation module is used for, according to described notice of arbitrarily cutting trigger module, between the 3rd user terminal that first user terminal is associated with described request message, carry out media negotiation, make to carry out media negotiation between described the second user terminal and described the 3rd user terminal;
Described release module is used for, and described media negotiation module disconnects the call between described first user terminal and the second user terminal after making to carry out media negotiation between described the second user terminal and described the 3rd user terminal;
Described release module is further used for, between the 3rd user terminal that first user terminal is associated in described media negotiation module with described request message, carry out media negotiation, after described the 3rd user terminal is added to session, to described first user terminal, send releasing request, to finish the session between described first user terminal and the 3rd user terminal.
6. system as claimed in claim 5, is characterized in that,
Described request message is to carry arbitrarily to cut the invitation message of service code or carry the invitation message of arbitrarily cutting service code and the 3rd user terminal number.
7. system as claimed in claim 5, is characterized in that,
Described media negotiation module is further used for, while making to carry out media negotiation between first user terminal and described the 3rd user terminal, obtain the media information of described first user terminal, send to the 3rd user terminal, obtain the media information of stating the 3rd user terminal, send to described first user terminal; While making to carry out media negotiation between described the second user terminal and described the 3rd user terminal, obtain the media information of described the second user terminal, send to the 3rd user terminal, obtain the media information of stating the 3rd user terminal, send to described the second user terminal.
8. the system as described in any one in claim 5～7, is characterized in that,
Described release module is further used for, and by sending releasing request to described first user terminal, disconnects the call between described first user terminal and the second user terminal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110042221.1A CN102104695B (en) | 2011-02-22 | 2011-02-22 | Method and system for optionally switching conversation on both sides in calling service |
| PCT/CN2011/076370 WO2012113194A1 (en) | 2011-02-22 | 2011-06-27 | Method and system for randomly switching conversation between both sides in call service |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110042221.1A CN102104695B (en) | 2011-02-22 | 2011-02-22 | Method and system for optionally switching conversation on both sides in calling service |
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| CN102104695B true CN102104695B (en) | 2014-08-20 |
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| CN102104695B (en) * | 2011-02-22 | 2014-08-20 | 中兴通讯股份有限公司 | Method and system for optionally switching conversation on both sides in calling service |
| CN102394992B (en) * | 2011-11-07 | 2014-10-08 | 杭州华为企业通信技术有限公司 | Terminal conversation switching method and device |
| CN107529151A (en) * | 2016-06-22 | 2017-12-29 | 中兴通讯股份有限公司 | A kind of method for realizing service switching, application server and system |
| CN109413284B (en) * | 2017-08-15 | 2021-10-22 | 中国移动通信有限公司研究院 | Call switching method and device |
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| CN101198089B (en) * | 2006-12-07 | 2010-09-22 | 华为技术有限公司 | Method and system for implementing call forwarding service, and voice call continuous server |
| CN101267323B (en) * | 2007-03-16 | 2010-12-29 | 中兴通讯股份有限公司 | A REFER message extension implementation method for IMS terminal |
| CN102104695B (en) * | 2011-02-22 | 2014-08-20 | 中兴通讯股份有限公司 | Method and system for optionally switching conversation on both sides in calling service |
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| CN1925524A (en) * | 2005-08-31 | 2007-03-07 | 上海贝尔阿尔卡特股份有限公司 | Method for realizing calling switching in soft exchanging communication network |
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| EP2207336A1 (en) * | 2007-10-25 | 2010-07-14 | Huawei Technologies Co., Ltd. | Method, system and device of call forwarding |
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| WO2012113194A1 (en) | 2012-08-30 |
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