CN106254692B - Multi-service control processor co-group response method and device and service control processor - Google Patents
Multi-service control processor co-group response method and device and service control processor Download PDFInfo
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- CN106254692B CN106254692B CN201510323330.9A CN201510323330A CN106254692B CN 106254692 B CN106254692 B CN 106254692B CN 201510323330 A CN201510323330 A CN 201510323330A CN 106254692 B CN106254692 B CN 106254692B
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Abstract
The invention provides a multi-service control processor co-group answering method, a device and a service control processor, wherein the method is applied to an answering party service control processor, and comprises the following steps: receiving a first generation answer request sent by a generation answer user, wherein the first generation answer request carries terminal information of the generation answer user; judging whether the pick-up user is legal or not according to the terminal information of the pick-up user; if the answer is legal, acquiring the terminal information of the called user, which is recorded by the called party CP when the called user starts ringing and belongs to the same group with the answer-substituting user and is in a ringing state, in the database according to the terminal information of the answer-substituting user, and sending a second answer request carrying the terminal information of the called user to a called party service control processor; and establishing the call between the answering user and the calling user according to the second answering request and the terminal information of the answering user. The scheme of the invention realizes the same group response function under the multi-service control processor by adopting a method of sharing the database by multiple CPs.
Description
Technical Field
The present invention relates to the field of intelligent network communication technologies, and in particular, to a method and an apparatus for co-group response of multiple service control processors, and a service control processor.
Background
The service of a CENTRalized subscriber EXchange (Centrex) under a Next Generation communication Network (NGN)/IP Multimedia Subsystem (IMS) is to combine wired and wireless access terminals in the NGN/IMS domain into a virtual internal communication Network. Inside the Centrex, users can talk with each other through short numbers, and some basic service functions of the Centrex users are realized, such as number display and restriction, call forwarding, telephone operators and the like. The users in the Centrex group may include a mobile terminal broadband Access used in an IMS domain, a fixed terminal broadband Access, and a Plain Old Telephone Service (POTS) terminal accessed through a Session Initiation Protocol Access Gateway (AG) or an Access Gateway Control Function (AGCF), and mainly include a soft and hard terminal accessed based on a Session Initiation Protocol (SIP) and a conventional POTS terminal, and the users in the Centrex group may be further divided into a plurality of user groups.
Among them, the co-group pickup service is an important service feature in Centrex service, and it has a wide application in the traditional circuit domain. The same group of answers is specifically realized as follows: when a call of a branch is not responded, other branches in the same user group are used as responses, wherein the operation mode is as follows: when the extension set without answer rings, the user answers the access code according to the same group. When the same group answering function is used, the user who answers the same group answers the calling number, that is, the calling number of the extension telephone which is ringing is answered.
However, existing peer-to-peer response technologies are implemented under a single service Control Processor (CP), but the number of users carried by a single CP of an application server is limited, and therefore when the number of users reaches a certain scale, multiple CPs are necessarily used for load balancing, thereby improving the processing capability of a service system, but the architecture of multiple CPs inevitably brings a huge challenge to the processing of services, because users are difficult to process on different CPs when triggering services. As shown in fig. 1, under the multi-CP architecture, a calling subscriber a calls a called subscriber B, which rings. However, when the CP-C in charge of the user C receives the response-substituting request sent by the user C, the process cannot be continued. Therefore, the existing peer-to-peer response technology cannot complete the peer-to-peer response function under the multi-CP architecture.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a multi-service control processor co-group response method, a multi-service control processor co-group response device and a service control processor, wherein the multi-CP co-group response function is realized by establishing a signaling connection between a CP of a answered party and a CP of a responder.
In order to solve the technical problems, the invention adopts the following technical scheme:
according to an aspect of the present invention, there is provided a multi-service control processor co-group responder CP, which comprises:
receiving a first generation answer request sent by a generation answer user, wherein the first generation answer request carries terminal information of the generation answer user;
judging whether the pickup user is legal or not according to the terminal information of the pickup user;
if the answer user is legal, acquiring the terminal information of the called user, which is recorded by the called party CP when the called user starts ringing and belongs to the same group with the answer user and is in a ringing state, in a database according to the terminal information of the answer user;
sending a second response request carrying the terminal information of the called user to a called party CP;
and establishing the communication between the answering agency user and the calling user according to the second answering agency request and the terminal information of the answering agency user.
Wherein the terminal information of the pickup user comprises a user number of the pickup user, a pickup access code and Session Description Protocol (SDP) information.
Wherein, judging whether the answering user is legal according to the answering user terminal information specifically comprises:
acquiring a response-substituting access code and a user number of the response-substituting user from the first response request;
judging the service type requested by the pick-up user according to the pick-up access code;
if the service type of the pickup user is the pickup service of the same group, judging whether the pickup user belongs to a user group;
if the judgment result is yes, acquiring the authority information of the answering user in the database according to the user number, judging whether the answering user has the answering authority, and if the judgment result is yes, judging that the answering user is legal.
Wherein, the step of obtaining the called party CP terminal information recorded when the called party starts ringing and the called party CP terminal information belonging to the same group with the answering party and being in the ringing state in the database according to the terminal information of the answering party comprises:
judging whether a plurality of called users which belong to the same group with the pickup user and are in a ringing state exist, if so, acquiring ringing start time of the called party CP, which is recorded when the called user starts ringing, and the plurality of called users which belong to the same group with the pickup user and are in the ringing state in a database;
and comparing the ringing start time of the plurality of called users, and acquiring the terminal information of the called user which starts ringing earliest.
The establishing of the call between the pickup user and the calling user according to the second pickup request and the terminal information of the pickup user specifically includes:
receiving an agreement response message and a notification message carrying a call identifier (call-id) between the called party CP and the called party, wherein the agreement response message is sent by the called party CP after the called party CP is verified to be in a ringing state according to the second response request;
acquiring SDP information of the answering user from the first answering request;
sending a request access message carrying the call-id and the SDP information of the pickup user to the called party CP, so that the called party CP releases the original call of the called party side according to the request access message and forwards the SDP information of the pickup user to the calling party CP;
and receiving the SDP information of the calling party, which is transmitted by the calling party and forwarded by the calling party CP, and transmitting the SDP information of the calling party to the answering agency user, so that the answering agency user enters a conversation with the calling party according to the SDP information of the calling party.
The terminal information of the called user comprises the long number of the called user and the user state.
According to another aspect of the present invention, there is also provided a multi-service control processor co-group answering method applied to a called party CP, the method including:
when a called user rings, recording terminal information of the called user in a database, and modifying the user state of the called user into a ring state;
receiving a second response request carrying the terminal information of the called user and sent by a response agent CP after reading the terminal information of the called user in the database;
and releasing the original call of the called user side according to the second answering request, so that the answering agent CP establishes the conversation between the answering agent and the calling user.
Wherein, the step of releasing the original call of the called user side according to the second answering request code to enable the answering agent CP to establish the call between the answering agent CP and the calling user specifically includes:
judging whether the called user is in a ringing state according to the second answer request;
if the judgment result is yes, acquiring a call-id between the called party CP and the called party, and sending an agreement response-to-answer message and a notification message carrying the call-id to the response-to-answer party CP;
receiving a request access message sent by the responder CP according to the response agreement message and the notification message, wherein the request access message carries the call-id and SDP information of the response user;
releasing the original call of the called user side according to the call-id;
and forwarding the SDP information of the answering agency user to the calling party CP, so that the answering agency CP establishes the conversation between the answering agency user and the calling party.
After the step of determining whether the called user is in a ringing state according to the second answer request, the method further comprises:
if the judgment result is negative, the current generation answering request is rejected.
According to another aspect of the present invention, there is also provided a multi-service control processor co-group responder device, applied to a responder CP, the device including:
the first receiving module is used for receiving a first generation answer request sent by a generation answer user, wherein the first generation answer request carries terminal information of the generation answer user;
the judging module is used for judging whether the pickup user is legal or not according to the terminal information of the pickup user;
the acquisition module is used for acquiring the terminal information of the called party CP, which is recorded when the called party starts ringing and belongs to the same group with the pickup user and is in a ringing state, in a database according to the terminal information of the pickup user if the pickup user is judged to be legal;
a sending module, configured to send a second response request carrying the terminal information of the called user to a called party CP;
and the connection module is used for establishing the conversation between the answering agency user and the calling user according to the second answering agency request and the terminal information of the answering agency user.
The terminal information of the answering agency user comprises a user number of the answering agency user, an answering agency access code and SDP information.
Wherein, the judging module comprises:
a first obtaining unit, configured to obtain the response-substituted access code and the user number of the response-substituted user from the first response request;
the first judging unit is used for judging the service type requested by the answering user according to the answering access code;
a second judging unit, configured to judge whether the pickup user belongs to a user group if the service type of the pickup user is the same group pickup service;
and the third judging unit is used for acquiring the authority information of the answering user in the database according to the user number if the judging result is yes, judging whether the answering user has the answering authority, and if the judging result is yes, judging that the answering user is legal.
Wherein, if there are multiple called users belonging to the same group as the answering user and in the ringing state, the obtaining module includes:
a searching unit, configured to determine whether there are multiple called users that belong to the same group as the pickup user and are in a ringing state, and if the determination result is yes, obtain, in a database, ringing start times of the multiple called users that belong to the same group as the pickup user and are in the ringing state, which are recorded by a called party CP when the called user starts ringing;
and the comparison unit is used for comparing the ringing start time of the plurality of called users and acquiring the terminal information of the called user which starts ringing earliest.
Wherein the switch-on module comprises:
a first receiving unit, configured to receive an answer-to-answer agreement message and a notification message carrying a call-id between the called party CP and the called party, where the answer-to-answer agreement message is sent by the called party CP after verifying that the called party is in a ringing state according to the second answer request;
a second obtaining unit, configured to obtain SDP information of the pickup user from the first pickup request;
a first sending unit, configured to send a request access message carrying the call-id and the SDP information of the pickup user to the called CP, so that the called CP releases an original call of the called side according to the request access message, and forwards the SDP information of the pickup user to the calling CP;
a second receiving unit, configured to receive the SDP information of the calling party sent by the calling party and forwarded by the calling party CP, and send the SDP information of the calling party to the answering agency user, so that the answering agency user enters a call with the calling party according to the SDP information of the calling party.
The terminal information of the called user comprises the long number of the called user and the user state.
According to another aspect of the present invention, there is also provided a multi-service control processor co-group answering device, applied to a called party CP, the device including:
the recording module is used for recording the terminal information of the called user in a database when the called user rings, and modifying the user state of the called user into a ring state;
a second receiving module, configured to receive a second response request carrying the terminal information of the called user and sent after the CP reads the terminal information of the called user in the database;
and the releasing module is used for releasing the original call of the called user side according to the second answering request so that the answering agent CP establishes the conversation between the answering agent and the calling user.
Wherein the release module comprises:
the verification unit is used for judging whether the called user is in a ringing state or not according to the second answer request;
the second sending unit is used for acquiring a call-id between the called party CP and the called party if the judgment result is yes, and sending a response-agreeing message and a notification message carrying the call-id to the response-substituting party CP;
a third receiving unit, configured to receive a request access message sent by the responder CP according to the response agreement message and the notification message, where the request access message carries the call-id and SDP information of the responder;
a release unit, configured to release the original call of the called user side according to the call-id;
and the third sending unit is used for forwarding the SDP information of the answering agency user to the calling party CP, so that the answering agency CP establishes the conversation between the answering agency user and the calling party.
Wherein the release module further comprises:
and the updating unit is used for rejecting the current generation answer request if the judgment result is negative.
According to another aspect of the present invention, there is also provided a service control processor, including the above-mentioned multi-service control processor co-group answering device applied to the responder CP.
According to another aspect of the present invention, there is also provided a service control processor, including the above-mentioned multi-service control processor co-group answering device applied to the called party CP.
The invention has the beneficial effects that:
the multi-service control processor co-group answering method of the invention is characterized in that an answering agent CP searches for a called user belonging to the same group with an answering agent CP and in a ringing state according to a received first answering request carrying terminal information of the answering agent CP and sent by the answering agent CP, thereby establishing a signaling relationship between the answering agent CP and the called CP and further realizing the conversation between the answering agent CP and the calling user. Therefore, the multi-service control processor co-group response method realizes the co-group response function under the multi-CP by adopting the method of sharing the database by the multi-CP, and improves the user experience.
Drawings
FIG. 1 is a diagram illustrating the same group of difficult answers under multiple CPs;
fig. 2 is a flowchart illustrating a multi-service control processor co-group response method applied to a CP as a responder according to an embodiment of the present invention;
fig. 3 shows a network element structure diagram under multiple CPs;
fig. 4 is a schematic diagram illustrating a specific application of the multi-service control processor co-group response method according to an embodiment of the present invention;
fig. 5 shows a block diagram of a multi-service control processor co-group response device applied to a CP as a responder according to an embodiment of the present invention;
FIG. 6 is a block diagram of a determining module according to an embodiment of the present invention;
FIG. 7 is a block diagram of an acquisition module according to an embodiment of the invention;
FIG. 8 is a block diagram of a turn-on module according to an embodiment of the invention;
fig. 9 is a flowchart illustrating a multi-service control processor co-group answering method applied to a called party CP according to an embodiment of the present invention;
fig. 10 is a block diagram illustrating a multi-service control processor co-group answering machine structure applied to a called party CP according to an embodiment of the present invention;
fig. 11 shows a block diagram of a release module according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Example one
According to one aspect of the invention, a multi-service control processor co-group response method is provided, which is applied to a response partner CP, and the method comprises the steps of firstly, receiving a first response request sent by a response user; then, judging whether the pickup user is legal or not according to the terminal information of the pickup user; thirdly, if the answer user is judged to be legal, acquiring the terminal information of the called user, which is recorded when the called user starts ringing and belongs to the same group with the answer user and is in a ringing state, of the called party CP in a database according to the terminal information of the answer user; thirdly, sending a second response request carrying the terminal information of the called user to a called party CP; and finally, establishing the call between the answering agency user and the calling user according to the second answering agency request and the terminal information of the answering agency user.
The multi-service control processor same-group answering method of the embodiment of the invention searches the called user which belongs to the same group and is in a ringing state with the answering user through the terminal information of the answering user, and establishes the signaling connection between the answering CP and the called CP, thereby realizing the same-group answering function under the multi-CP.
As shown in fig. 2, the method includes:
and step S21, receiving a first response request sent by a response user.
And the first generation answering request carries terminal information of a generation answering user. When the calling user calls the called user and the called user rings, the responder CP can send a first responder request carrying the terminal information of the responder CP, so that the responder CP can search the called user which belongs to the same group with the responder and is in a ring state through the terminal information of the responder.
And step S23, judging whether the answering user is legal or not according to the terminal information of the answering user.
The terminal information of the pickup user may include a user number of the pickup user, a pickup access code, and SDP information, and specifically, step S23 includes:
acquiring a response-substituting access code and a user number of the response-substituting user from the first response request;
judging the service type requested by the pick-up user according to the pick-up access code;
if the service type of the pickup user is the pickup service of the same group, judging whether the pickup user belongs to a user group;
if the judgment result is yes, acquiring the authority information of the answering user in the database according to the user number, judging whether the answering user has the answering authority, and if the judgment result is yes, judging that the answering user is legal.
Therefore, in the same-group answering method of the multi-service control processor of the embodiment of the invention, in the process of initiating the answering request by the answering user, the number of the called user does not need to be known, and the called user who belongs to the same group with the answering user and needs to be answered can be found out according to the user number of the answering user by calling the answering access code through the answering agency CP to access the database, so that the user experience is improved.
Step S25, if the answer user is legal, the called CP terminal information recorded when the called user starts ringing and the called user terminal information belonging to the same group and in ringing state with the answer user is obtained in the database according to the answer user terminal information.
The multi-service control processor co-group response-substituting method of the embodiment of the invention records the terminal information of the called user in the database through the called party CP when the called user rings, and modifies the user state of the called user into a ring state, so that the response-substituting party CP can share the terminal information of the called user from the database, thereby establishing the signaling connection between the response-substituting party CP and the called party CP, and further realizing the co-group response-substituting function under the multi-CP.
The step of obtaining the terminal information of the called user, which is recorded by the called party CP when the called user starts ringing and belongs to the same group with the pickup user and is in a ringing state, in the database according to the terminal information of the pickup user includes:
judging whether a plurality of called users which belong to the same group with the pickup user and are in a ringing state exist, if so, acquiring ringing start time of the called party CP, which is recorded when the called user starts ringing, and the plurality of called users which belong to the same group with the pickup user and are in the ringing state in a database;
and comparing the ringing start time of the plurality of called users, and acquiring the terminal information of the called user which starts ringing earliest.
The multi-service control processor same-group answering method of the embodiment of the invention is applied to the condition that the same group comprises a plurality of CPs, and each CP is respectively responsible for the conversation services of a plurality of users, therefore, the situation that a plurality of users are called simultaneously in the group can exist, after the step of judging the validity of the answering user, the ringing start time of a plurality of called users which belong to the same group with the answering user and are in a ringing state needs to be obtained in a database, so that the called user which starts ringing earliest is obtained by comparing the sequence of the ringing start time, and the answering user successfully answers the called user which starts ringing earliest.
Step S27, sending a second response request carrying the terminal information of the called user to the called party CP.
And step S29, establishing the call between the answering agency user and the calling user according to the second answering agency request and the terminal information of the answering agency user.
Specifically, step S29 includes:
receiving an answer-granting message and a notification message carrying a call-id between the called party CP and the called party, which are sent by the called party CP after the called party CP verifies that the called party is in a ringing state according to the second answer request;
acquiring SDP information of the answering user from the first answering request;
sending a request access message carrying the call-id and the SDP information of the pickup user to the called party CP, so that the called party CP releases the original call of the called party side according to the request access message and forwards the SDP information of the pickup user to the calling party CP;
and receiving the SDP information of the calling party, which is transmitted by the calling party and forwarded by the calling party CP, and transmitting the SDP information of the calling party to the answering agency user, so that the answering agency user enters a conversation with the calling party according to the SDP information of the calling party.
In the process of establishing the call between the answering agency user and the calling user, the answering agency user needs to acquire the SDP information of the calling user, and the calling user needs to acquire the SDP information of the answering agency user, so that the answering agency user and the calling user can respectively acquire the SDP information of the other party through the method, and the call between the answering agency user and the calling user is realized.
The terminal information of the called user comprises the long number of the called user and the user state. When the called user rings, the called party CP changes the user state to ring state; when the called user picks up the phone and realizes the communication with the calling user, the called CP refuses the body to answer the request. Of course, the method for multi-service control processor co-group answering in the embodiment of the present invention is not limited to the specific content of the terminal information of the called user.
The multi-service control processor co-group response method of the embodiment of the invention is applied to the network element of the multi-CP framework. Specifically, for example, AS shown in fig. 3, the AS is a Centrex service application server, and includes modules of CP-A, CP-B, CP-C, Proxy, DB, and the like. Wherein, CP-A, CP-B and CP-C are CPs responsible for different user services; proxy is a unified external interface of CP, and after receiving a call request, a calling side distributes a call according to a calling number/a called side according to a called number. For a specific distribution policy may be: distributing the numbers with the tail numbers of 0, 1 and 2 to the CP-A; distributing the numbers with the tail numbers of 3, 4 and 5 to the CP-B; numbers with tail numbers of 6, 7, 8 and 9 are distributed to CP-C. DB is a database of Centrex service, and service data are acquired from the database when three CP processes are used for service processing; CSCF is core network equipment; the UE is a user terminal. Wherein, the UE establishes a connection with the CP responsible for the UE through the CSCF, and implements a calling or called function through each module shown in fig. 3.
The specific implementation steps of the multi-service control processor co-group answering method of the embodiment of the present invention in the network element under the multi-CP architecture shown in fig. 3 are shown in fig. 4, where the calling user is UE-a, the called user is UE-B, and the answering user is UE-C.
The various steps shown in fig. 4 are represented as follows:
404-406, the UE-B rings and returns a response message 180ring to the UE-A through the original route according to the path of the INVITE (SDP A), at this time, the UE-B-504 is in a ring state, and the CP-B records the terminal information of the UE-B in a database and changes the user state of the UE-B into the ring state;
step 411, after receiving NOTIFY, CP-C replies to CP-B with a confirmation message 200 OK;
step 414-415, when the UE-B confirms to cancel, replying a confirmation message 200 OK and a Request terminating of the CP-B, so that the CP-B releases the original call at the UE-B-504 side according to the call-id in the replace header;
step 417-418, the CP-B sends the SDP information of the UE-C acquired in the above step to the CP- ｃA, and the CP- ｃA further forwards the SDP information to the UE- ｃA:
step 419-420, the UE-A returns an acknowledgement identifier ACK to the CP-B according to the original path of the received SDP information of the UE-C;
421-422, after receiving the ACK, the CP-B sends the SDP information of the UE-A to the CP-C, and the CP-C forwards the SDP information of the UE-A to the UE-C;
and 423-424, the UE-C returns an acknowledgement identifier ACK to the CP-B according to the path of receiving the SDP information of the UE-A, and at the moment, the UE-A, UE-C users enter the conversation and the service completes the answer.
Example two
According to another aspect of the embodiments of the present invention, there is provided a multi-service control processor co-group answering method applied to a called party CP, as shown in fig. 9, the method includes:
step S91, when the called user rings, the terminal information of the called user is recorded in the database, and the user state of the called user is modified to ring state.
Step S93, receiving a second response request carrying the terminal information of the called user sent by the responder CP after reading the terminal information of the called user in the database.
Step S95, releasing the original call of the called user side according to the second responder request, so that the responder CP establishes a call between the responder and the calling user.
Specifically, step S95 includes:
judging whether the called user is in a ringing state according to the second answer request;
if the judgment result is yes, acquiring a call-id between the called party CP and the called party, and sending an agreement response-to-answer message and a notification message carrying the call-id to the response-to-answer party CP;
receiving a request access message sent by the responder CP according to the response agreement message and the notification message, wherein the request access message carries the call-id and SDP information of the response user;
releasing the original call of the called user side according to the call-id;
and forwarding the SDP information of the answering agency user to the calling party CP, so that the answering agency CP establishes the conversation between the answering agency user and the calling party.
If the called user is not in the ringing state, the body response-substituting request is refused.
The multi-service control processor same-group answering method of the embodiment of the invention has the advantages that when a called user rings, a called party CP which is in charge of the service of the called user needs to record the terminal information of the called user in a database and change the user state of the called user into a ringing state, so that the answering agent CP can obtain the terminal information of the called user which belongs to the same group with the answering agent and is in the ringing state through accessing the database, the original call at the called user side is released, and the call between the calling user and the answering agent is further established.
EXAMPLE III
According to another aspect of the embodiments of the present invention, there is provided a multi-service control processor co-group answering device, as shown in fig. 5, the device 500 includes:
a first receiving module 501, configured to receive a first response request sent by a response-substituting user, where the first response request carries terminal information of the response-substituting user;
a judging module 503, configured to judge whether the pickup user is legal or not according to the terminal information of the pickup user;
an obtaining module 505, configured to, if the called party is judged to be legal, obtain, in a database, terminal information of a called party, which is recorded by the called party CP when the called party starts ringing and belongs to the same group as the answering party and is in a ringing state, according to the terminal information of the answering party;
a sending module 507, configured to send a second response request carrying the terminal information of the called user to a called party CP;
a connection module 509, configured to establish a call between the answering party and the calling party according to the second answering request and the terminal information of the answering party.
The terminal information of the answering agency user comprises a user number of the answering agency user, an answering agency access code and SDP information.
Optionally, as shown in fig. 6, the determining module 503 includes:
a first obtaining unit 5031, configured to obtain the pickup access code of the pickup user from the first pickup request;
a first determining unit 5032, configured to determine that the service type of the pickup user is the same group pickup service type;
a second determining unit 5033, configured to determine whether the pickup user belongs to a user group if the service type of the pickup user is the pickup service in the same group;
a third determining unit 5034, configured to, if the determination result is yes, obtain, according to the user number, the authority information of the pickup user in the database, determine whether the pickup user has a pickup authority, and if the determination result is yes, determine that the pickup user is legal.
Optionally, as shown in fig. 7, if there are multiple called users in the same group as the pickup user and in a ring state, the obtaining module 505 includes:
a searching unit 5051, configured to determine whether there are multiple called users in the same group as the pickup user and in the ringing state, and if the determination result is yes, obtain, in the database, ringing start times of the multiple called users in the same group as the pickup user and in the ringing state, which are recorded by the called CP when the called CP starts ringing;
a comparing unit 5052, configured to compare the ringing start times of the multiple called users, and obtain the terminal information of the called user that starts ringing earliest.
Optionally, as shown in fig. 8, the switch-on module 509 includes:
a first receiving unit 5091, configured to receive an answer-to-answer agreement message and a notification message carrying a call-id between the called party CP and the called party, where the answer-to-answer agreement message is sent by the called party CP after verifying that the called party is in a ringing state according to the second answer request;
a second obtaining unit 5092, configured to obtain SDP information of the pickup user from the first pickup request;
a first sending unit 5093, configured to send a request access message carrying the call-id and the SDP information of the pickup user to the called CP, so that the called CP releases the original call of the called side according to the request access message, and forwards the SDP information of the pickup user to the calling CP;
a second receiving unit 5094, configured to receive the SDP information of the calling party sent by the calling party and forwarded by the calling party CP, and send the SDP information of the calling party to the answering agency user, so that the answering agency user enters a call with the calling party according to the SDP information of the calling party.
The terminal information of the called user comprises the long number of the called user and the user state.
Example four
According to another aspect of the embodiments of the present invention, there is provided a multi-service control processor co-group answering device, which is applied to a called party CP, as shown in fig. 10, the device 100 includes:
a recording module 101, configured to record, when a called user rings, terminal information of the called user in a database, and modify a user state of the called user to a ring state;
a second receiving module 103, configured to receive a second responder request carrying the terminal information of the called user, which is sent by an responder CP after reading the terminal information of the called user in the database;
a releasing module 105, configured to release the original call of the called user side according to the second responder request, so that the responder CP establishes a call between the responder CP and the calling user.
As shown in fig. 11, the releasing module 105 includes:
a verification unit 1051, configured to determine whether the called user is in a ringing state according to the second answer request;
a second sending unit 1052, configured to, if the determination result is yes, obtain a call-id between the called party CP and the called party, and send an agreement response-to-answer message and a notification message carrying the call-id to the response-to-answer party CP;
a third receiving unit 1053, configured to receive a request access message sent by the responder CP according to the response agreement message and the notification message, where the request access message carries the call-id and SDP information of the responder;
a releasing unit 1054, configured to release the original call of the called user side according to the call-id;
a third sending unit 1055, configured to forward the SDP information of the responder to the calling party CP, so that the responder CP establishes a call between the responder and the calling party.
Wherein, as shown in fig. 11, the releasing module further includes:
an updating unit 1056, configured to reject the current generation request if the determination result is negative.
EXAMPLE five
According to another aspect of the embodiments of the present invention, there is also provided a service control processor, including the above-mentioned multi-service control processor co-group answering device applied to the responder CP.
EXAMPLE six
According to another aspect of the embodiments of the present invention, there is also provided a service control processor, including the above-mentioned multi-service control processor co-group answering device applied to the called party CP.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims.
Claims (14)
1. A multi-service control processor co-group answering method is applied to an answering party service control processor CP, and is characterized by comprising the following steps:
receiving a first generation answer request sent by a generation answer user, wherein the first generation answer request carries terminal information of the generation answer user;
judging whether the pickup user is legal or not according to the terminal information of the pickup user;
if the answer user is legal, acquiring the terminal information of the called user, which is recorded by the called party CP when the called user starts ringing and belongs to the same group with the answer user and is in a ringing state, in a database according to the terminal information of the answer user;
sending a second response request carrying the terminal information of the called user to a called party CP;
establishing a call between the answering agency user and the calling user according to the second answering agency request and the terminal information of the answering agency user; the terminal information of the pickup user comprises a user number of the pickup user, a pickup access code and Session Description Protocol (SDP) information; the establishing of the call between the pickup user and the calling user according to the second pickup request and the terminal information of the pickup user specifically comprises:
receiving an agreement response message and a notification message carrying a call identifier call-id between the called party CP and the called party, wherein the agreement response message is sent by the called party CP after the called party is verified to be in a ringing state according to the second response request;
acquiring SDP information of the answering user from the first answering request;
sending a request access message carrying the call-id and the SDP information of the pickup user to the called party CP, so that the called party CP releases the original call of the called party side according to the request access message and forwards the SDP information of the pickup user to the calling party CP;
and receiving the SDP information of the calling party, which is transmitted by the calling party and forwarded by the calling party CP, and transmitting the SDP information of the calling party to the answering agency user, so that the answering agency user enters a conversation with the calling party according to the SDP information of the calling party.
2. The multi-service control processor co-group answering method according to claim 1, wherein judging whether the answering user is legal according to the answering user terminal information specifically comprises:
acquiring a response-substituting access code and a user number of the response-substituting user from the first response request;
judging the service type requested by the pick-up user according to the pick-up access code;
if the service type of the pickup user is the pickup service of the same group, judging whether the pickup user belongs to a user group;
if the judgment result is yes, acquiring the authority information of the answering user in the database according to the user number, judging whether the answering user has the answering authority, and if the judgment result is yes, judging that the answering user is legal.
3. The multi-service control processor co-group answering method according to claim 1, wherein the step of obtaining, in a database, the called party CP's terminal information of the called party recorded when the called party starts ringing, the called party CP belonging to the same group as the answering party CP and being in a ringing state, based on the terminal information of the answering party CP, comprises:
judging whether a plurality of called users which belong to the same group with the pickup user and are in a ringing state exist, if so, acquiring ringing start time of the called party CP, which is recorded when the called user starts ringing, and the plurality of called users which belong to the same group with the pickup user and are in the ringing state in a database;
and comparing the ringing start time of the plurality of called users, and acquiring the terminal information of the called user which starts ringing earliest.
4. The multi-service control processor co-group answering method according to claim 1, wherein the terminal information of the called subscriber includes a long number and a subscriber status of the called subscriber.
5. A multi-service control processor co-group response method is applied to a called service control processor CP, and is characterized in that the method comprises the following steps:
when a called user rings, recording terminal information of the called user in a database, and modifying the user state of the called user into a ring state;
receiving a second response request carrying the terminal information of the called user and sent by a response agent CP after reading the terminal information of the called user in the database;
releasing the original call of the called user side according to the second response request, so that the response-substituting party CP establishes the call between the response-substituting user and the calling user; the step of releasing the original call of the called user side according to the second answering request code so that the responder CP establishes a call between the answering agent and the calling user specifically includes:
judging whether the called user is in a ringing state according to the second answer request;
if the judgment result is yes, acquiring a call identifier call-id between the called party CP and the called party, and sending an answer-substituting agreement message and a notification message carrying the call-id to the answer-substituting party CP;
receiving a request access message sent by the responder CP according to the response agreement message and the notification message, wherein the request access message carries the call-id and SDP information of the response user;
releasing the original call of the called user side according to the call-id;
and forwarding the SDP information of the answering agency user to the calling party CP, so that the answering agency CP establishes the conversation between the answering agency user and the calling party.
6. The method of claim 5, wherein after the step of determining whether the called user is in a ringing state based on the second answer request, the method further comprises:
if the judgment result is negative, the current generation answering request is rejected.
7. A multi-service control processor co-group answering device is applied to an answering party service control processor CP, and is characterized by comprising:
the first receiving module is used for receiving a first generation answer request sent by a generation answer user, wherein the first generation answer request carries terminal information of the generation answer user;
the judging module is used for judging whether the pickup user is legal or not according to the terminal information of the pickup user;
the acquisition module is used for acquiring the terminal information of the called party CP, which is recorded when the called party starts ringing and belongs to the same group with the pickup user and is in a ringing state, in a database according to the terminal information of the pickup user if the pickup user is judged to be legal;
a sending module, configured to send a second response request carrying the terminal information of the called user to a called party CP;
the connection module is used for establishing the conversation between the answering agency user and the calling user according to the second answering agency request and the terminal information of the answering agency user; the terminal information of the pickup user comprises a user number of the pickup user, a pickup access code and Session Description Protocol (SDP) information; the switch-on module comprises:
a first receiving unit, configured to receive an answer-to-answer agreement message and a notification message carrying a call identifier call-id between the called party CP and the called party, where the called party CP verifies that the called party is in a ringing state according to the second answer request;
a second obtaining unit, configured to obtain SDP information of the pickup user from the first pickup request;
a first sending unit, configured to send a request access message carrying the call-id and the SDP information of the pickup user to the called CP, so that the called CP releases an original call of the called side according to the request access message, and forwards the SDP information of the pickup user to the calling CP;
a second receiving unit, configured to receive the SDP information of the calling party sent by the calling party and forwarded by the calling party CP, and send the SDP information of the calling party to the answering agency user, so that the answering agency user enters a call with the calling party according to the SDP information of the calling party.
8. The multiservice control processor co-group answering machine according to claim 7, wherein said judging means comprises:
a first obtaining unit, configured to obtain the response-substituted access code and the user number of the response-substituted user from the first response request;
the first judging unit is used for judging the service type requested by the answering user according to the answering access code;
a second judging unit, configured to judge whether the pickup user belongs to a user group if the service type of the pickup user is the same group pickup service;
and the third judging unit is used for acquiring the authority information of the answering user in the database according to the user number if the judging result is yes, judging whether the answering user has the answering authority, and if the judging result is yes, judging that the answering user is legal.
9. The multiservice control processor co-group pickup apparatus according to claim 7, wherein if there are a plurality of called subscribers belonging to the same group as said pickup subscriber and being in a ringing state, said obtaining module comprises:
a searching unit, configured to determine whether there are multiple called users that belong to the same group as the pickup user and are in a ringing state, and if the determination result is yes, obtain, in a database, ringing start times of the multiple called users that belong to the same group as the pickup user and are in the ringing state, which are recorded by a called party CP when the called user starts ringing;
and the comparison unit is used for comparing the ringing start time of the plurality of called users and acquiring the terminal information of the called user which starts ringing earliest.
10. The multiservice control processor co-group answering machine according to claim 7, wherein the terminal information of the called subscriber includes a long number and a subscriber status of the called subscriber.
11. A multi-service control processor co-group answering device is applied to a called service control processor CP, and is characterized in that the device comprises:
the recording module is used for recording the terminal information of the called user in a database when the called user rings, and modifying the user state of the called user into a ring state;
a second receiving module, configured to receive a second response request carrying the terminal information of the called user and sent after the CP reads the terminal information of the called user in the database;
a releasing module, configured to release the original call on the called user side according to the second response request, so that the responder CP establishes a call between the responder CP and the calling user; the release module includes:
the verification unit is used for judging whether the called user is in a ringing state or not according to the second answer request;
the second sending unit is used for acquiring a call identifier call-id between the called party CP and the called party if the judgment result is yes, and sending an agreement response-to-answer message and a notification message carrying the call-id to the response-to-answer party CP;
a third receiving unit, configured to receive a request access message sent by the responder CP according to the response agreement message and the notification message, where the request access message carries the call-id and SDP information of the responder;
a release unit, configured to release the original call of the called user side according to the call-id;
and the third sending unit is used for forwarding the SDP information of the answering agency user to the calling party CP, so that the answering agency CP establishes the conversation between the answering agency user and the calling party.
12. The multiservice control processor co-group responder device according to claim 11, wherein said release module further comprises:
and the updating unit is used for rejecting the current generation answer request if the judgment result is negative.
13. A service control processor comprising a multi-service control processor co-group proxy apparatus as claimed in any one of claims 7 to 10.
14. A service control processor comprising a multi-service control processor co-group proxy apparatus as claimed in any one of claims 11 to 12.
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| CN201510323330.9A CN106254692B (en) | 2015-06-12 | 2015-06-12 | Multi-service control processor co-group response method and device and service control processor |
| PCT/CN2016/078397 WO2016197677A1 (en) | 2015-06-12 | 2016-04-01 | Co-group pick-up method and apparatus for multiple service control processors, service control processor and computer storage medium |
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| CN201510323330.9A CN106254692B (en) | 2015-06-12 | 2015-06-12 | Multi-service control processor co-group response method and device and service control processor |
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| CN101448334B (en) * | 2008-12-29 | 2012-04-04 | 华为技术有限公司 | Implementation method of distributed services as well as device and system thereof |
| CN101790010A (en) * | 2010-01-22 | 2010-07-28 | 中兴通讯股份有限公司 | Designated pick-up service realization method and communication system |
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