CN101790006A - Method for realizing co-group pick-up service and communication system - Google Patents
Method for realizing co-group pick-up service and communication system Download PDFInfo
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Abstract
The invention provides a method for realizing a co-group pick-up service and a communication system. The method comprises the following steps that: when a first application server belonging to a pick-up user receives a first co-group pick-up request of the pick-up user, the first application server acquires a called user belonging to the same user group with the pick-up user as a picked-up user according to the ring information of the called user stored in the first application server and a second application server; when the picked-up user belongs to the second application server, the first application server transmits a second co-group pick-up request to the second application server, wherein the second co-group pick-up request is used for informing the second application server to put through a session between a caller and the pick-up user. The method for realizing the co-group pick-up service and the communication system can realize the co-group pick-up service between co-group users belonging to different application servers.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of implementation method and communication system of co-group pickup service.
Background technology
In order to satisfy the demand of multimedia communication, 3GPP (3rd Generation Partnership Project, third generation partner program) is organized on the basis of original packet carrying network and introduced IMS (IPMultimedia Subsystem, IP Multimedia System), IMS can not only provide traditional voice service to the user, also can provide abundant multimedia to experience to the user.
Be illustrated in figure 1 as the basic framework schematic diagram of IMS network system of the prior art, the IMS network system mainly comprises following network element: CSCF (Call Session Control Function, controlling call entity), HSS (Home Subscriber Server, home subscriber server) and AS (Application Server, application server).Wherein, CSCF is divided into three types again: S-CSCF (Serving-Call SessionControl Function, the service call controlled entity), I-CSCF (Interrogating-Call SessionControl Function, the query call controlled entity) and P-CSCF (Proxy-Call Session ControlFunction, agent call controlled entity).P-CSCF can be in the Access Network of the current location of user, and first contact network element as the user inserts the IMS network arrives the IMS core net to user's SIP (Session InitiationProtocol, initial session protocol) forwards.I-CSCF can finish the function of network internal Information hiding, network enabled safety.S-CSCF finishes basic CCF as the controlling call entity of core, and the interface with AS is provided.AS provides miscellaneous service to the user, such as basic voice, video and supplementary service.HSS writes down each IMS user's user profile and business datum, cooperates CSCF to finish routing function, and functions such as authentication, mandate are provided.User contracting data is kept among the HSS, and is downloaded to S-CSCF when the user registers, and has preserved user's IFC (Initial Filter Criteria, initial filter criteria) in the user contracting data and the address information of professional AS is provided.Business datum downloads to AS from HSS when the user registers, finish customer service for AS and handle used.
Call pick-up business (Call Pickup) is the common business of communication network, at traditional PSTN (Public Switched Telephone Network, PSTN) in, the call pick-up business is widely used, be usually used in group customer, participate in this professional user and normally be in same the user in the office, this business belongs to Centrex (concentrating user's small switch) group business.The Centrex group business is that some users are formed a customer group, and the user in the customer group also can enjoy some particular services, for example the call pick-up business except that whole basic services of enjoying ordinary telephone subscriber.
The professional enforcement scene commonly used of call pick-up is as follows: user B in the user A call group; When the terminal ring of called subscriber B, and user B just in time not or when can not off-hook replying because of thing, can replace user B with user B with group's user C, reply the call of user A.The mode of operation of user C is: use the terminal of oneself, express the hope that oneself replaces user B to reply by special dial mode; Final result is user C and user A conversation, and the terminal of user B stops ring.
According to the difference of user C dial mode, the call pick-up business can be subdivided on the same group for answering and two kinds of designated pick-ups:
1) in generation, answered on the same group
User in several groups can be divided in the different groups, all belong to a Centrex group such as the user in the enterprise, there are several offices in enterprise, by office different user is divided in the different groups.For example, when terminal is arranged in the office by ring up, can dial the access code (a string specific number) of co-group pickup service, for first ring terminal generation in is on the same group answered calling with this terminal user C on the same group.
2) designated pick-up
The enforcement of designated pickup service is irrelevant with group, can operate with user in the group.For example, when user C will be when answering the calling of user B, C dial " access code of co-group pickup service+user B number " represent oneself to be ready generation answer user B go into to exhale.
Co-group pickup service is to belong to the business of using between same group user in the customer group.In legacy network, group business can only realize that promptly, user B in the above-mentioned co-group pickup service and user C are necessary for the user (i.e. the user who distributes telephone numbers) who belongs to same application server on same application server in an end office (EO) or mobile switch.
In the IMS network, what belong to same application server can use co-group pickup service between the user on the same group, be illustrated in figure 2 as the schematic flow sheet of the implementation method of the co-group pickup service between the user on the same group that belongs to same application server of the prior art, said method comprising the steps of:
Step 201-step 210: calling subscriber A calls out called subscriber B, and the terminal ring of called subscriber B.
Step 211-step 212: in generation, answered user C off-hook, dial " access code of co-group pickup service ", in generation, answered Invite (request) message of the Session Initiation Protocol of terminal generation of user C, carries SDP C (medium of terminal C) in the described Invite message, is forwarded to AS through CSCF.
Step 213-step 220:AS is according to " access code of co-group pickup service " that comprise in the described Invite message, trigger co-group pickup service: at first find a ring user (being called subscriber B in this example) and corresponding calling subscriber's (being user A in this example) from belonging to the user of same user's group with user C, Cancel (cancellation) message of AS use Session Initiation Protocol allows called subscriber B stop ring then.
Step 221-step 223:AS need answer user C with generation with calling subscriber A and continue, and concrete, AS gives calling subscriber A SDP C by Update (renewal) forwards.
Step 224-step 226: calling subscriber A returns 200 OK message and gives AS, represents the affirmation for Update message, and carried SDP A (medium of terminal A) in 200 OK.
Step 227-step 232:AS produces 183 message, issues generation and answers user C, and carried SDP A.In generation, answered user C and produces PRACK (replying) message, as the affirmation to 183 message.AS produces 200OK message, as the affirmation to PRACK message.
Step 233-step 236:AS produces 200 OK message and answers user C to generation, and as the affirmation message of Invite message, generation is answered user C with ACK (replying) message response.
Step 237-step 242:AS produces 200OK message and gives calling subscriber A, as the affirmation message of Invite message, and calling subscriber A ACK message response.
Afterwards, in calling subscriber A and generation, answered user C conversation, the call setup success.
Yet, in the IMS network, the notion that has wide area cluster, the user who promptly belongs to the different application server can form same group, and the same user's group in the same group, be that user B in the above-mentioned example may belong to different application servers with user C, but in the prior art, do not realize not belonging to the method for the co-group pickup service between the user on the same group of different application server.
Summary of the invention
In view of this, the invention provides a kind of implementation method and communication system of co-group pickup service, can realize belonging to the co-group pickup service between the user on the same group of different application server.
For addressing the above problem, the invention provides a kind of implementation method of co-group pickup service, may further comprise the steps:
First application server that generation is answered under the user is answered first when generation is answered request on the same group of user receiving described generation, according to the called subscriber's who stores in the present application server and second application server ringing information, obtain and answer the user with described generation and belong to a called subscriber of same user group as being answered the user by generation;
Described when being answered the user and belong to described second application server by generation, described first application server to described second application server send second on the same group generation answer request, described second in generation, answered request and is used to notify described second application server connection calling subscriber and described generation to answer session between the user on the same group.
Described first application server sends second on the same group for answering request to described second application server, also comprises afterwards:
Described second application server is sent ring cancellation request to described for answering the user.
Described first application server sends second on the same group for answering request to described second application server, also comprises afterwards:
The described ringing information of storing in described second application server deletion present application server of being answered the user by generation.
Described ringing information according to the called subscriber who stores in the present application server and second application server obtains with described generation and answers a called subscriber that the user belongs to same user group as being answered the user by generation, specifically comprises:
Described first application server obtains with described generation and answers first called subscriber that the user belongs to same user's group according to the called subscriber's who stores in the present application server ringing information;
Described first application server obtains with described generation and answers second called subscriber that the user belongs to same user's group according to the called subscriber's of described second application server for storage ringing information;
Described first application server obtains described quilt for answering the user from described first called subscriber and described second called subscriber.
Describedly answered the user and be: answer among all called subscribers that the user belongs to same user's group the ring time of called subscriber the earliest with described generation by generation.
The present invention also provides a kind of communication system, comprises that described first application server comprises for answering first affiliated application server of user and second application server under the called subscriber:
Acquisition module, be used for receive described generation answer the user first in generation, answered when request on the same group, according to the called subscriber's who stores in the present application server and second application server ringing information, obtain and answer the user with described generation and belong to a called subscriber of same user group as being answered the user by generation;
Request module, be used for described when being answered the user and belong to described second application server by generation, to described second application server send second on the same group generation answer request, described second in generation, answered request and is used to notify described second application server connection calling subscriber and described generation to answer session between the user on the same group.
Described second application server comprises:
The cancellation module, be used for receive described second on the same group generation answer when request, answered the user by generation and sent ring cancellation request to described.
Described second application server also comprises:
Removing module is used for that generation is answered when request, the described ringing information of storing in the deletion present application server of being answered the user by generation on the same group receiving described second.
Described acquisition module comprises:
First processing unit is used for the called subscriber's that stores according to present application server ringing information, obtains with described generation and answers first called subscriber that the user belongs to same user's group;
Second processing unit is used for the ringing information according to the called subscriber of described second application server for storage, obtains with described generation and answers second called subscriber that the user belongs to same user's group;
The 3rd processing unit is used for from described first called subscriber and described second called subscriber, obtains described quilt for answering the user.
Describedly answered the user and be: answer among all called subscribers that the user belongs to same user's group the ring time of called subscriber the earliest with described generation by generation.
The present invention has following beneficial effect:
Generation answer under the user application server receive described generation answer the user in generation, answered request on the same group the time, specify the called subscriber's who stores in the application service ringing information according to present application server and other, obtain with described generation and answer a called subscriber that the user belongs to same user group, can replace the described calling of being answered the user answer calling subscriber by generation thereby make described generation answer the user as being answered the user by generation.Then can realize belonging to the co-group pickup service between the user on the same group of different application server according to said method, solve the difficult problem that cross-server is realized co-group pickup service, remedy the blank of prior art.
Description of drawings
Fig. 1 is the basic framework schematic diagram of IMS network system of the prior art;
Fig. 2 is the schematic flow sheet of the implementation method of the co-group pickup service between the user on the same group that belongs to same application server of the prior art;
Fig. 3 is a call flow schematic diagram of setting up conversation in the IMS network of the embodiment of the invention between two users;
Fig. 4 forms the network frame schematic diagram of wide area cluster for the user who belongs to the different application server in the IMS network system of the embodiment of the invention;
Fig. 5 is the flow process schematic diagram of implementation method of the co-group pickup service of the embodiment of the invention;
Fig. 6 is another schematic flow sheet of implementation method of the co-group pickup service of the embodiment of the invention;
Fig. 7 is a structural representation of the communication system of the embodiment of the invention.
Embodiment
Before the implementation method and communication system of the co-group pickup service that the embodiment of the invention is described, at first simply introduce in the IMS network and set up the call flow of conversing between two users.
Be illustrated in figure 3 as in the IMS network of the embodiment of the invention call flow schematic diagram of setting up conversation between two users, for simplicity, omitted 3 network elements among the figure, be respectively:
1) the Calling Side P-CSCF (P-CSCF under the calling subscriber A) between calling subscriber A and the Calling Side S-CSCF (S-CSCF under the calling subscriber A);
2) the callee side P-CSCF (P-CSCF under the called subscriber B) between called subscriber B and the callee side S-CSCF (S-CSCF under the called subscriber B);
3) I-CSCF between Calling Side S-CSCF and the callee side S-CSCF.
Described call flow may further comprise the steps (in the embodiments of the invention, all using Session Initiation Protocol as the messaging protocol of calling out control, the session process that described Session Initiation Protocol is used for creating, revise and one or more participants that terminate participate in):
Step 301: calling subscriber A is to the called subscriber B request of making a call, and described call request arrives Calling Side S-CSCF by Calling Side P-CSCF (figure part omitted).
Step 302: Calling Side S-CSCF is transmitted to Calling Side AS (application server under the calling subscriber A) according to the IFC of calling subscriber A with described call request.
Step 303: Calling Side AS is transmitted to Calling Side S-CSCF for after the calling subscriber carries out related service (for example call blocking business etc.) with described call request.
Step 304: Calling Side S-CSCF sends to callee side S-CSCF by I-CSCF (figure part omitted) with described call request.
Step 305: callee side S-CSCF is transmitted to callee side AS (application server under the called subscriber B) according to the IFC of called subscriber B with described call request.
Step 306: callee side AS is transmitted to callee side S-CSCF for after called subscriber B carries out related service with described call request.
Step 307: callee side S-CSCF sends to called subscriber B by callee side P-CSCF (figure part omitted) with described call request.
Step 308-214: the terminal ring of called subscriber B produce the ring response, and the reverse path that described ring is responded by described call request sends to calling subscriber A.
Step 315-221: called subscriber B off-hook, produce success response, described success response sends to calling subscriber A by the reverse path of described call request.
Step 322-228: the terminal of calling subscriber A produces acknowledge message, sends to called subscriber B by the same path of described call request.
Afterwards, calling subscriber A and called subscriber B conversation, call setup success.
In following examples, all finish communication process between two users according to the call flow in the above-mentioned steps.
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.
The implementation method of the co-group pickup service of the embodiment of the invention is applied in the IMS network system, the notion that in the IMS network system, has wide area cluster, the user who promptly belongs to the different application server can form same group, and the same user's group in the same group.Be illustrated in figure 4 as the network frame schematic diagram that the user who belongs to the different application server in the IMS network system of the embodiment of the invention forms wide area cluster, as can be seen from Figure 4, though user B, user C and user D do not belong to same application server, yet the same user that can form in the same customer group organizes.Generally, the application server C under application server B, the user C under the user B is connected with same home subscriber server with the affiliated application server D of user D, to share identical user data.
Be illustrated in figure 5 as the flow process schematic diagram of implementation method of the co-group pickup service of the embodiment of the invention, said method comprising the steps of:
Step 501: first application server that generation is answered under the user is answered first when generation is answered request on the same group of user receiving described generation, according to the called subscriber who stores in the present application server and second application server ringing information of (also can be called the ring user), obtain and answer the user with described generation and belong to a called subscriber of same user group as being answered the user by generation;
In so-called generation, answered the user and is meant that carrying out generation answers the user of operation, so-calledly answered execution generation that the user is meant that described generation answers the user by generation and answers the object of operation.
Answer called subscriber's the ringing information that the user belongs to same user group owing on present application server, may store with generation, in the IMS network system, also may store on other application servers with generation and answer the ringing information that the user belongs to the called subscriber of same user's group, therefore, described first application server needs simultaneously that (other specify application server from present application server and second application server, be not limited to one, have a plurality of) in obtain with generation and answer the ringing information that the user belongs to the called subscriber of same user group.
Step 502: described when being answered the user and belong to described second application server by generation, described first application server to described second application server send second on the same group generation answer request, described second in generation, answered request and is used to notify described second application server connection calling subscriber and described generation to answer session between the user on the same group.
Described when being answered the user and belong to described first application server by generation, promptly, in generation, answered the user and answered the user by generation and belongs to same application server, at this moment, then can be according to the implementation method of co-group pickup service of the prior art, connect calling subscriber and Dai by described first application server and answer session between the user.
In the foregoing description, because for answering the calling that the user can replace being answered by generation the user answer calling subscriber, at this moment, described quilt need be stopped to be answered by generation user's ring for answering the second affiliated application server of user, got back to idle condition to allow for answering the user, therefore, said method also comprises:
Step 503: described second application server is sent ring cancellation request to described for answering the user.
In addition, in order to prevent that being answered the user by generation was answered by generation once more, at this moment, need be deleted the ringing information of storing in the present application server of being answered the user by generation by second application server that generation is answered under the user, therefore, said method also comprises:
Step 504: the described ringing information of storing in described second application server deletion present application server of being answered the user by generation.
If described first application server not only finds on present application server with generation and answers first called subscriber that the user belongs to same user's group, also specify to find on the application server and answer second called subscriber that the user belongs to same user's group, then need from described first called subscriber and described second called subscriber, to select a called subscriber as being answered the user by generation with generation at other.At this moment, above-mentioned steps 501 can also specifically comprise:
Step 1: described first application server obtains with described generation and answers first called subscriber that the user belongs to same user's group according to the called subscriber's who stores in the present application server ringing information;
Step 2: described first application server obtains with described generation and answers second called subscriber that the user belongs to same user's group according to the called subscriber's of described second application server for storage ringing information;
Step 3: described first application server obtains described quilt for answering the user from described first called subscriber and described second called subscriber.
In the foregoing description, in described generation, answered first application server under the user and may get access to a plurality of and described generation answer the user and belong to the called subscriber that same user organizes from present application server or described second application server, at this moment, described first application server can select a called subscriber as being answered the user by generation from described a plurality of called subscribers arbitrarily, can replace describedly being answered the calling that the user responds the calling subscriber by generation thereby make generation answer the user.Generally, described first application server be from described a plurality of called subscribers selective ringing time called subscriber the earliest as being answered the user by generation.
For example the implementation method of the co-group pickup service of the embodiment of the invention is elaborated below.
Be illustrated in figure 6 as another schematic flow sheet of implementation method of the co-group pickup service of the embodiment of the invention, the implementation method of described co-group pickup service may further comprise the steps (having omitted for simplicity, the CSCF in the network system among the figure):
Step 601, calling subscriber A calls out called subscriber B, and called subscriber B ring (the specific implementation flow process sees also embodiment shown in Figure 3).
Step 602: in the generation that belongs to application server C, answered user C off-hook, and dial " access code of co-group pickup service ", at this moment, in generation, answered Invite (request) message of the terminal generation Session Initiation Protocol of user C, described Invite message is that generation is answered request to first in the foregoing description on the same group, carry SDP C (medium of terminal C) in the described Invite message, and be forwarded to application server C through CSCF.
Described " access code of co-group pickup service " is a string specific character, for example, * 9100# etc., be used to represent wish on the same group for the hope of answering for answering user C, the req-uri that described " access code of co-group pickup service " can be used as Invite message is capable, the call targets of described req-uri line display sip message.
Step 603: application server C triggers co-group pickup service according to " access code of co-group pickup service " in the described Invite message.
Application server C need find one and answer called subscriber that user C belongs to same user group as being answered the user by generation with generation, can replace this to be answered the calling that the user responds calling subscriber A by generation thereby make generation answer user C.
Concrete, application server C obtains with described generation and answers first called subscriber (described first called subscriber can answer the called subscriber that the user belongs to same user's group for zero, one or more and described generation) that the user belongs to same user's group according to the called subscriber's who stores in the present application server ringing information;
Step 604: answer the ringing information that user C belongs to the called subscriber that same user organizes owing to except application server C on, may store with generation, other are specified also may store on the application server with generation and answer the ringing information that user C belongs to the called subscriber of same user's group, therefore, application server C also specifies application server (being application server B in the embodiment of the invention) to send Info message to other simultaneously, requires other to specify application server to search with generation and answers second called subscriber that user C belongs to same user's group;
Can carry following content in the described Info message: in generation, answered number, the co-group pickup service sign of user C.Receive other appointment application servers of described Info message, can be according to described co-group pickup service sign, discerning described Info message is to be used for co-group pickup service, answers second called subscriber (described second called subscriber can answer the called subscriber that the user belongs to same user's group for zero, one or more and described generation) that user C belongs to same user's group thereby search on present application server with generation.
Other specify application servers after finding described second called subscriber, by 200 OK message described second called subscriber's ringing information are returned to application server C.The embodiment of the invention, application server B is after receiving described Info message, ringing information according to the called subscriber who stores in the present application server, search with generation and answer the called subscriber B that user C belongs to same user group, and by 200 OK message with the number of called subscriber B and send to application server C ring time.
Step 605: answer first called subscriber that user C belongs to same user's group on present application server if application server C not only found with generation, also specify to find on the application server and answer second called subscriber that user C belongs to same user's group with generation at other, at this moment, application server C finds ring time called subscriber the earliest as being answered user's (being assumed to be called subscriber B in the embodiment of the invention) by generation from described first called subscriber and described second called subscriber.
If ring time, called subscriber the earliest belonged to application server C, promptly, in generation, answered the user and answered the user by generation and belongs to same application server, then according to the implementation method of co-group pickup service of the prior art, connected for the session of answering between user and the calling subscriber by application server C.
Step 606: application server C deletion is for " access code of co-group pickup service " in the Invite message of answering user C transmission, the number of called subscriber B is capable as the req-uri of described Invite message, and in described Invite message, add a co-group pickup service sign (URN) and issue application server B, the Invite message of this moment is that generation is answered request to second in the foregoing description on the same group.
Application server C shows that by the mode that adds co-group pickup service sign (URN) in invite message described Invite message is to be used for co-group pickup service, for example, in described Invite message, added a P-Asserted-Service field, the function of this field defines in 3GPP TS 24.229 V8.8.0, can carry a service identification.P-Asserted-Service field need define a value for co-group pickup service, is exemplified below: P-Asserted-Service:urn:3gpp:mmtel.alarm.version1.In addition, application server C can also adopt other SIP field to show that described Invite message is to be used for co-group pickup service.
Step 607: application server B triggers co-group pickup service according to the co-group pickup service sign of carrying in the described Invite message.At this moment, application server also needs to allow called subscriber B stop ring, and searches out the calling subscriber A that calls out called subscriber B, answers the calling of user C with continue calling subscriber A and generation.
Step 608-step 611: application server B uses Cancel (cancellation) message in the Session Initiation Protocol, allow called subscriber B stop ring, after called subscriber B stopped ring, application server B can also delete the ringing information of called subscriber B from the ringing information of this locality storage.
Step 612: in application server B also need to continue calling subscriber A and generation, answered the calling of user C, and at this moment, application server B gives calling subscriber A SDP C by the Update forwards of Session Initiation Protocol.
Step 613: calling subscriber A returns 200 OK message and gives application server B, represents the affirmation for Update message, and carried SDP A (medium of terminal A) in 200 OK message.
Step 614-step 615: application server B produces 183 message and issues application server C, and has carried SDP A, and application server C answers user C with 183 forwards to generation.
Step 616-step 619: in generation, answered user C and produces PRACK message, as the affirmation to 183 message.Application server B produces 200 OK message, as the affirmation to PRACK message.
Step 620-step 623: application server B produces 200 OK message and gives application server C, and as the affirmation message to Invite message, generation is answered user C ACK message response.
Step 624-step 625: application server B produces 200 OK message and gives calling subscriber A, as affirmation to Invite message, and calling subscriber A ACK message response.
Finally, in calling subscriber A and generation, answered user C conversation.
Implementation method corresponding to above-mentioned co-group pickup service, the embodiment of the invention also provides a kind of communication system, be illustrated in figure 7 as a structural representation of the communication system of the embodiment of the invention, described communication system comprises: in called subscriber 701, generation, answered user 702, generation and answer first application server 703 under the user 702 and second application server 704 under the called subscriber 701.
Described first application server 703 comprises:
Acquisition module 7031, be used for receive described generation answer user 702 first in generation, answered when request on the same group, according to called subscriber's the ringing information of storage in the present application server and second application service 704, obtain and answer user 702 with described generation and belong to a called subscriber 701 of same user's group as being answered the user by generation;
Answer called subscriber's the ringing information that the user belongs to same user group owing on present application server, may store with generation, in the IMS network system, also may store on other application servers with generation and answer the ringing information that the user belongs to the called subscriber of same user's group, therefore, described first application server need obtain from present application server and second application service (other specify application server) simultaneously with generation and answer the ringing information that the user belongs to the called subscriber of same user's group.
Request module 7032, be used for described when being answered the user and belong to described second application server 704 by generation, to described second application server 704 send second on the same group generation answer request, described second in generation, answered request and is used to notify described second application server, 704 connection calling subscribers and described generation to answer session between the user on the same group.
Described when being answered the user and belong to described first application server by generation, promptly, in generation, answered the user and answered the user by generation and belongs to same application server, at this moment, then can be according to the implementation method of co-group pickup service of the prior art, connect calling subscriber and Dai by described first application server and answer session between the user.
If described first application server not only finds on present application server with generation and answers first called subscriber that the user belongs to same user's group, also specify to find on the application server and answer second called subscriber that the user belongs to same user's group, then need from described first called subscriber and described second called subscriber, to select a called subscriber as being answered the user by generation with generation at other.At this moment, described acquisition module 7031 can also comprise:
First processing unit is used for the called subscriber's that stores according to present application server ringing information, obtains with described generation and answers first called subscriber that the user belongs to same user's group;
Second processing unit is used for the ringing information according to the called subscriber of described second application server for storage, obtains with described generation and answers second called subscriber that the user belongs to same user's group;
The 3rd processing unit is used for from described first called subscriber and described second called subscriber, obtains described quilt for answering the user.
In the foregoing description, in described generation, answered first application server under the user and may get access to a plurality of and described generation answer the user and belong to the called subscriber that same user organizes from present application server or described second application server, at this moment, described first application server can select a called subscriber as being answered the user by generation from described a plurality of called subscribers arbitrarily, can replace describedly being answered the calling that the user responds the calling subscriber by generation thereby make generation answer the user.Generally, described first application server be from described a plurality of called subscribers selective ringing time called subscriber the earliest as being answered the user by generation.
In the foregoing description, because in generation, answered the calling that the user can replace being answered by generation the user answer calling subscriber, at this moment, described quilt need be stopped to be answered by generation user's ring for answering the second affiliated application server of user, prevent that being answered the user by generation is in ringing condition and is answered, therefore, described second application server 704 comprises:
The cancellation module, be used for receive described second on the same group generation answer when request, answered the user by generation and sent ring cancellation request to described.
In addition, in order to prevent that being answered the user by generation was answered by generation once more, at this moment, need be deleted the ringing information of storing in the present application server of being answered the user by generation by second application server that generation is answered under the user, therefore, described second application server 704 also comprises:
Removing module is used for that generation is answered when request, the described ringing information of storing in the deletion present application server of being answered the user by generation on the same group receiving described second.
The implementation method and the communication system of the co-group pickup service that provides by the foregoing description, generation answer under the user application server receive described generation answer the user in generation, answered request on the same group the time, ringing information according to the called subscriber who stores in present application server and other application services, obtain with described generation and answer a called subscriber that the user belongs to same user group, can replace the described calling of being answered the user answer calling subscriber by generation thereby make described generation answer the user as being answered the user by generation.Then can realize belonging to the co-group pickup service between the user on the same group of different application server according to said method, solve the difficult problem that cross-server is realized co-group pickup service, remedy the blank of prior art.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. the implementation method of a co-group pickup service is characterized in that, may further comprise the steps:
First application server that generation is answered under the user is answered first when generation is answered request on the same group of user receiving described generation, according to the called subscriber's who stores in the present application server and second application server ringing information, obtain and answer the user with described generation and belong to a called subscriber of same user group as being answered the user by generation;
Described when being answered the user and belong to described second application server by generation, described first application server to described second application server send second on the same group generation answer request, described second in generation, answered request and is used to notify described second application server connection calling subscriber and described generation to answer session between the user on the same group.
2. the implementation method of co-group pickup service according to claim 1 is characterized in that, described first application server sends second on the same group for answering request to described second application server, also comprises afterwards:
Described second application server is sent ring cancellation request to described for answering the user.
3. the implementation method of co-group pickup service according to claim 1 and 2 is characterized in that, described first application server sends second on the same group for answering request to described second application server, also comprises afterwards:
The described ringing information of storing in described second application server deletion present application server of being answered the user by generation.
4. the implementation method of co-group pickup service according to claim 1, it is characterized in that, described ringing information according to the called subscriber who stores in the present application server and second application server, obtain with described generation and answer a called subscriber that the user belongs to same user group, specifically comprise as being answered the user by generation:
Described first application server obtains with described generation and answers first called subscriber that the user belongs to same user's group according to the called subscriber's who stores in the present application server ringing information;
Described first application server obtains with described generation and answers second called subscriber that the user belongs to same user's group according to the called subscriber's of described second application server for storage ringing information;
Described first application server obtains described quilt for answering the user from described first called subscriber and described second called subscriber.
5. according to the implementation method of claim 1 or 4 described co-group pickup service, it is characterized in that, describedly answered the user and be: answer among all called subscribers that the user belongs to same user's group the ring time of called subscriber the earliest with described generation by generation.
6. a communication system comprises for answering first affiliated application server of user and second application server under the called subscriber, it is characterized in that described first application server comprises:
Acquisition module, be used for receive described generation answer the user first in generation, answered when request on the same group, according to the called subscriber's who stores in the present application server and second application server ringing information, obtain and answer the user with described generation and belong to a called subscriber of same user group as being answered the user by generation;
Request module, be used for described when being answered the user and belong to described second application server by generation, to described second application server send second on the same group generation answer request, described second in generation, answered request and is used to notify described second application server connection calling subscriber and described generation to answer session between the user on the same group.
7. communication system according to claim 6 is characterized in that, described second application server comprises:
The cancellation module, be used for receive described second on the same group generation answer when request, answered the user by generation and sent ring cancellation request to described.
8. according to claim 6 or 7 described communication systems, it is characterized in that described second application server also comprises:
Removing module is used for that generation is answered when request, the described ringing information of storing in the deletion present application server of being answered the user by generation on the same group receiving described second.
9. communication system according to claim 6 is characterized in that, described acquisition module comprises:
First processing unit is used for the called subscriber's that stores according to present application server ringing information, obtains with described generation and answers first called subscriber that the user belongs to same user's group;
Second processing unit is used for the ringing information according to the called subscriber of described second application server for storage, obtains with described generation and answers second called subscriber that the user belongs to same user's group;
The 3rd processing unit is used for from described first called subscriber and described second called subscriber, obtains described quilt for answering the user.
10. according to claim 6 or 9 described communication systems, it is characterized in that, describedly answered the user and be: answer among all called subscribers that the user belongs to same user's group the ring time of called subscriber the earliest with described generation by generation.
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| CN106254692A (en) * | 2015-06-12 | 2016-12-21 | 中兴通讯股份有限公司 | Multi-service controls processor with organizing pickup method, device and service control processor |
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| CN101448334A (en) * | 2008-12-29 | 2009-06-03 | 华为技术有限公司 | Implementation method of distributed services as well as device and system thereof |
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| WO2009069584A1 (en) * | 2007-11-27 | 2009-06-04 | Mitsui Chemicals Polyurethanes, Inc. | Method of dehydrating tolylenediamine and dehydrator |
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| CN106254692A (en) * | 2015-06-12 | 2016-12-21 | 中兴通讯股份有限公司 | Multi-service controls processor with organizing pickup method, device and service control processor |
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| CN101790006B (en) | 2014-08-20 |
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