CN101646271A - Method, device and system for realizing multimedia services before answering - Google Patents

Method, device and system for realizing multimedia services before answering Download PDF

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Publication number
CN101646271A
CN101646271A CN 200810117860 CN200810117860A CN101646271A CN 101646271 A CN101646271 A CN 101646271A CN 200810117860 CN200810117860 CN 200810117860 CN 200810117860 A CN200810117860 A CN 200810117860A CN 101646271 A CN101646271 A CN 101646271A
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China
Prior art keywords
message
calling terminal
multimedia
calling
multimedia service
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CN 200810117860
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Chinese (zh)
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CN101646271B (en
Inventor
方建成
桑涛
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN 200810117860 priority Critical patent/CN101646271B/en
Priority to PCT/CN2009/071520 priority patent/WO2010015157A1/en
Publication of CN101646271A publication Critical patent/CN101646271A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/42017—Customized ring-back tones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/1016—IP multimedia subsystem [IMS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1069—Session establishment or de-establishment

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)

Abstract

The embodiment of the invention provides a method, a device and a system for realizing multimedia services before answering, and relates to the technical field of communication. The method, the deviceand the system are invented to improve the success rate of negotiation between a calling terminal and a multimedia center, and ensure that the multimedia center can provide a complicated multimedia service model. The method comprises the following steps: carrying out multimedia service operation according to a call request of a calling mobile exchanging center; sending a progress indicating message to the mobile exchanging center to ensure that the mobile exchanging center sends a connection message to the calling terminal according to the progress indicating message; receiving the negotiation request sent by the calling terminal, carrying out negotiation operation with the call originating terminal, wherein the negotiation request is sent after the calling terminal receives the connection message; and providing the multimedia services before answering to the call originating terminal. The embodiment of the invention is mainly applied in the technical field of the multimedia servicesbefore answering.

Description

Method, equipment and the system of multimedia service before realization is replied
Technical field
The present invention relates to communication technical field, relate in particular to method, equipment and system that preceding multimedia service is replied in a kind of realization based on VIG (Video InterworkingGateway, Video Interworking Gateway).
Background technology
In the 2G network, for abundant call business is provided to terminal, receive that at calling terminal response message (ANM, Answer Message) is preceding usually, its voice service that provides some not charge is provided.We are called these voice services and reply preceding voice service, and voice service comprises before the replying of this class: the CRBT of hearing during the calling terminal dialing terminal called, the languages during the calling terminal dialing call center are selected and newspaper seat job number etc.
And along with development of Communication Technique, communication network is just experiencing at present by the change of 2G network to 3G network.The relative 2G network of 3G network biggest advantage is that 3G network can provide video call business for terminal.Therefore, through constantly development, the preceding voice service of replying in the 2G network develops into for the preceding multimedia service of replying of 3G network.Multimedia service is meant before calling terminal is being received response message before described the replying, some multimedia services that provided for calling terminal by communication network.The video frequency color ring of seeing when multimedia service comprised the calling terminal dialing terminal called before these were replied, the visual prompts during the calling terminal dialing call center and selection or the like.With respect to the preceding voice service of replying under the 2G network environment, multimedia service makes that the experience of terminal is abundanter before the replying in the 3G network, receives that the mode of information is more direct, clear and convenient.
With the video color ring service is example, and as shown in Figure 1, when calling terminal was called out terminal called, the method for multimedia service comprised the steps: before realizing replying in 3G network
Step 11, make a call, send Setup (foundation) message to calling mobile exchanging center (MSC, Mobile SwitchingCenter) at calling terminal;
Step 12, described calling mobile exchanging center are according to described Setup message, to the HLR of terminal called (Home Location Register, home location register) sends SRI (Sending RoutingInformation, send route messages) message, inquire the MSRN (Mobil SubscriberRoaming Number, mobile terminal roaming number) of this terminal called;
The HLR of step 13, terminal called sends SRI_ACK (sending route messages confirms) message to caller MSC, includes the MSRN of terminal called in described message;
The MSC of step 14, caller sends Call_Proceeding (call out and continue) message to calling terminal after obtaining MSRN (Mobil Subscriber Roaming Number, mobile terminal roaming number);
The MSC of step 15, caller sends IAM message (Initial Address Message, initial address message) to MMC (Multimedia Center, multimedia hub);
Step 16, described MMC send ACM (Address Complete Message, message is finished in the address) message that carries the video call indication to the MSC of calling terminal;
The MSC of step 17, calling terminal sends Alerting (ring) message to calling terminal;
Step 18, with the step 17 time, described MMC is according to carrying out the Multimedia Ring Back Tone service operation;
Step 19, after step 17, the MSC of calling terminal sends Connect (connection) message to calling terminal, notifies described calling terminal and MMC H.245 to consult;
Step 20, described calling terminal send Connect_Ack (connection is replied) message to the MSC of described calling terminal;
H.245, step 21, calling terminal and MMC consult;
Step 22, after consulting successfully, reply preceding multimedia service by MMC for calling terminal provides.
State in realization in the process of voice service before replying, the inventor finds that there are the following problems at least in the prior art: because in the process that H.245 calling terminal and MMC consult, calling terminal need be asked the ability information that multimedia service is provided of MMC to MMC, when but the Connect message that receives calling mobile exchanging center when calling terminal is carried out negotiation with multimedia hub, MMC may not carry out multimedia service operation, therefore MMC can't provide the ability information of its multimedia service to calling terminal, thereby causes the negotiations process failure H.245 of calling terminal and MMC; The professional ability that this has also restricted MMC simultaneously makes MMC that complicated multimedia service model can't be provided.
Summary of the invention
Embodiments of the invention provide a kind of realize replying before method, equipment and the system of multimedia service, improving the success rate that calling terminal and multimedia hub are held consultation, and make multimedia hub that the multimedia service model of complexity can be provided.
The method of multimedia service was by the following technical solutions before the embodiment of the invention realized replying:
A kind of method that realizes replying preceding multimedia service comprises the steps:
Multimedia service operation is carried out in call request according to calling mobile exchanging center;
After described multimedia service operation is finished, send the progress Indication message to described calling mobile exchanging center, so that described calling mobile exchanging center sends connection message according to described progress Indication message to calling terminal;
Receive the negotiation request that described calling terminal sends, with the operation of holding consultation of described calling terminal, wherein said negotiation request sends after receiving described connection message by described calling terminal;
After negotiation is finished, provide to described calling terminal and to reply preceding multimedia service.
The method of multimedia service also can be by the following technical solutions before the embodiment of the invention realized replying:
A kind of method that realizes replying preceding multimedia service comprises the steps:
Receive the progress Indication message that multimedia hub sends;
According to described progress Indication message, send connection message to calling terminal, indicate the negotiations process of described calling terminal initiation and described multimedia hub.
Embodiment of the invention multimedia hub adopts following technical scheme:
A kind of multimedia hub comprises:
Receiving element is used to receive the call request of calling mobile exchanging center, and the negotiation request of calling terminal;
Operating unit is used for the call request according to described receiving element reception, carries out multimedia service operation;
Transmitting element is used for after described operating unit is finished multimedia service operation, sends the progress Indication message to described calling mobile exchanging center, so that described calling mobile exchanging center sends connection message according to described progress Indication message to calling terminal;
Negotiation element is used for the negotiation request that receives according to described receiving element, with the calling terminal operation of holding consultation;
Multimedia service provides the unit, is used for after the negotiation of negotiation element is finished, and provides to described calling terminal and replys preceding multimedia service.
Embodiment of the invention mobile switching centre is by the following technical solutions:
A kind of mobile switching centre comprises:
The message sink unit is used to receive the progress Indication message that multimedia hub sends;
Message sending unit is used for according to described progress Indication message, sends connection message to calling terminal, indicates the negotiations process of described calling terminal initiation and described multimedia hub.
The system of multimedia service was by the following technical solutions before the embodiment of the invention realized replying:
A kind of system that realizes replying preceding multimedia service comprises: multimedia hub and calling mobile exchanging center; Wherein,
Described multimedia hub is used for after carrying out multimedia service operation according to the calling of calling mobile exchanging center, sends the progress Indication message to described calling mobile exchanging center;
Described calling mobile exchanging center is used for according to described progress Indication message, sends connection message to calling terminal, indicates the negotiations process of described calling terminal initiation and described multimedia hub.
In embodiments of the present invention, after multimedia hub is finished multimedia service operation according to the calling of calling mobile exchanging center, can send the progress Indication message, represent that it has finished corresponding multimedia service operation to calling mobile exchanging center.And described calling mobile exchanging center is after receiving described progress Indication message, can send connection request to calling terminal according to described message, indicates this calling terminal can initiate negotiation process with multimedia hub.Because multimedia hub represents that with the progress Indication message its multimedia service operation finishes, therefore, calling terminal can obtain the ability information that multimedia hub provides multimedia service accurately in the negotiation process, thereby has improved the success rate of holding consultation and operating with multimedia hub.
Simultaneously, owing between the multimedia service operation of multimedia hub and the connection message of calling mobile exchanging center the sequential precedence relationship has been arranged, that is to say only receive the progress Indication message after, described calling mobile exchanging center just can send connection message to calling terminal, this can guarantee that multimedia hub has sufficient time to finish the multimedia service operation of various complexity, thereby more complicated multimedia service model is provided.
Description of drawings
Fig. 1 is for realizing replying the flow chart of preceding multimedia service in the prior art;
Fig. 2 realizes replying the system schematic of preceding multimedia service for the embodiment of the invention;
Fig. 3 replys the flow chart of the method for preceding multimedia service for embodiment of the invention realization;
Fig. 4 replys the another flow chart of the method for preceding multimedia service for embodiment of the invention realization;
Fig. 5 replys the another flow chart of the method for preceding multimedia service for embodiment of the invention realization;
Fig. 6 replys the another flow chart of the method for preceding multimedia service for embodiment of the invention realization;
Fig. 7 is the structure chart of embodiment of the invention multimedia hub;
Fig. 8 is the structure chart of embodiment of the invention mobile switching centre;
Fig. 9 is the schematic diagram of embodiment of the invention mobile switching centre.
Embodiment
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, the accompanying drawing of required use is done an introduction simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
For solving in the prior art, owing to do not have sequential relationship between the Connect message (connection message) of the operation of holding consultation of the multimedia service operation of multimedia hub and calling mobile exchanging center indication calling terminal, cause calling terminal can't obtain the ability information that multimedia service is provided of multimedia hub, thereby cause negotiation failure with multimedia hub, and having limited the problem that multimedia hub carries out complicated multimedia operations, the embodiment of the invention provides a kind of system that realizes multimedia service.
As shown in Figure 2, the system of the described realization multimedia service of the embodiment of the invention comprises: multimedia hub 21 and calling mobile exchanging center 22.Wherein, described multimedia hub 21 is used for after carrying out multimedia service operation according to the calling of calling mobile exchanging center, sends the progress Indication message to described calling mobile exchanging center; Described calling mobile exchanging center 22 is used for according to described progress Indication message, sends connection message to calling terminal, indicates the negotiations process of described calling terminal initiation and described multimedia hub.
Wherein said progress Indication message can be call progress message (CPG, Call Progress), can also can carry the message of other type of progress Indication message for other.
In embodiments of the present invention, after multimedia hub is finished multimedia service operation according to the calling of calling mobile exchanging center, can send the progress Indication message, represent that it has finished corresponding multimedia service operation to calling mobile exchanging center.And described calling mobile exchanging center is after receiving described progress Indication message, can send connection request to calling terminal according to described message, indicates this calling terminal can initiate negotiation process with multimedia hub.Because multimedia hub represents that with the progress Indication message its multimedia service operation finishes, therefore, calling terminal can obtain the ability information that multimedia hub provides multimedia service accurately in the negotiation process, thereby has improved the success rate of holding consultation and operating with multimedia hub.
Simultaneously, owing between the multimedia service operation of multimedia hub and the connection message of calling mobile exchanging center the sequential precedence relationship has been arranged, that is to say only receive the progress Indication message after, described calling mobile exchanging center just can send connection message to calling terminal, this can guarantee that multimedia hub has sufficient time to finish the multimedia service operation of various complexity, thereby more complicated multimedia service model is provided.
Below in conjunction with respective embodiments, the implementation procedure of the method for multimedia service before the embodiment of the invention realizes replying is described once.
As shown in Figure 3, the method for multimedia service comprised the steps: before the embodiment of the invention realized replying
Step 31, multimedia hub carry out multimedia service operation according to the calling of calling mobile exchanging center;
The calling of initiating terminal called with calling terminal is an example, after calling terminal makes a call, calling mobile exchanging center can be inquired about the MSRN and MSISDN (Mobile Station Integrated Services DigitalNumber, the mobile subscriber's international number) number of terminal called according to the request of calling terminal to the attaching position register of terminal called; After obtaining the MSRN and MSISDN that returns by described attaching position register, send the message of calling out continuation to calling terminal.Then, calling mobile exchanging center will send initial address message to multimedia hub (Initial Address Message IAM), includes the MSRN and the Mobile Subscriber International ISDN Number of multimedia service number and terminal called in described initial address message.After message (ACM) is finished in the address of receiving the multimedia hub transmission, send ALERTING message to calling terminal.Afterwards, described multimedia hub will carry out multimedia service operation.
Step 32, after described multimedia service operation is finished, described multimedia hub sends the progress Indication message to described calling mobile exchanging center;
In this process, after described multimedia hub carries out multimedia service operation according to the calling of calling terminal, send the progress Indication message to described calling mobile exchanging center, notify described calling mobile exchanging center its finished multimedia service operation.Described calling mobile exchanging center sends connection message (Connect) according to described progress Indication message to calling terminal; Described calling terminal sends connection response message (Connect_Ack) to described calling mobile exchanging center after receiving described connection message.
Step 33, described multimedia hub receive the negotiation request that described calling terminal sends according to described progress Indication message, with the operation of holding consultation of described calling terminal;
Step 34, after negotiation is finished, described multimedia hub provides to described calling terminal and replys preceding multimedia service.
In addition, answer the calling of calling terminal when terminal called, also promptly after the call setup success, described multimedia hub sends to described calling mobile exchanging center and replys (Answer Message, ANM) message is chargeed to calling terminal after receiving described response message by described calling mobile exchanging center.
In this embodiment, described progress Indication message can (Call Progress CPG), can also can carry the message of other type of progress Indication message for other for call progress message.
As shown in Figure 4, the method for multimedia service comprised the steps: before the realization of the embodiment of the invention was replied
Step 41, calling mobile exchanging center receive multimedia hub at the progress Indication message that carries out sending after the multimedia service operation;
After calling terminal made a call, calling mobile exchanging center can be inquired about the MSRN of terminal called according to the request of calling terminal to the called mobile switching centre of terminal called; After obtaining described MSRN, send the message of calling out continuation to calling terminal.And after message (ACM) is finished in the address of receiving the multimedia hub transmission, send ALERTING message to calling terminal.
Step 42, described calling mobile exchanging center are according to described progress Indication message, send connection message to calling terminal, indicate the negotiations process of described calling terminal initiation and described multimedia hub, and after receiving the response message of described multimedia hub, calling terminal is chargeed.
The technical scheme of embodiment is described the implementation procedure of the embodiment of the invention below in conjunction with two specific embodiments for a more clear understanding of the present invention.In following embodiment, be that CPG message is that example describes with the progress Indication message.
In following examples, multimedia service is a video color ring service before described the replying.In this embodiment, the network equipment of realization multimedia hub function is MRBT (Multimedia Ring Back Tone, a multimedia audible ringing tone platform).Comprised an IP device that possesses the wideband video resource capability among the MRBT, this IP device possesses the narrow band circuit exchange capacity simultaneously.
As shown in Figure 5, the embodiment of the invention comprises the steps:
Step 501, calling terminal send Setup message to caller MSC, the BC_IE that in this message, carries (Bear Capacity_Identify Element, the bearing capacity marker element) ITC (Information Transfer Capacity in the cell, the message transfer capability) is ' UDI ', ' H.223﹠amp ORA (OtherRate Adaptation, other rate identification) is; H.245 ', wherein each parameter in the message need meet " requirement of the 3G of China Mobile circuit domain video telephone general technical " standard;
After step 502, caller MSC receive the Setup message of calling terminal, send SRI message, the inquiry routing iinformation to called HLR;
Step 503, called HLR are sent out PRN message to the called MS C at the current place of terminal called, the MSRN of inquiry terminal called;
Step 504, called MS C are that described terminal called distributes MSRN, and return PRN_ACK message to called HLR, include described MSRN in described message;
Step 505, called HLR send SRI_ACK message to caller MSC, have the MSRN of terminal called in this SRI_ACK message, and multimedia color ring back tone Supplementary Service Code SS_Code; Described called HLR also can be inquired about the information of the terminal called of storage on it, obtains the Mobile Subscriber International ISDN Number of terminal called;
After step 506, caller MSC obtain the MSRN of terminal called, send Call_Proceeding message to calling terminal;
Step 507, caller MSC are according to described multimedia color ring back tone Supplementary Service Code, and judging terminal called is the terminal that can support Multimedia Ring Back Tone service, therefore, call out transmission IAM message to MRBT.In this IAM message, need comprise following information: the MSRN of multimedia color ring back tone Supplementary Service Code, terminal called, terminal called MSISDN;
Step 508, MRBT obtain the MSRN of terminal called by described IAM message, initiate IAM message to called MS C side then;
Step 509, called MS C send Paging to terminal called, and paging is called;
The paging of step 510, terminal called response called MS C sends Paging_Ack message to called MS C;
Step 511, called MS C send out Setup message to terminal called, and ITC is ' UDI ' in the BC_IE cell that carries in the message, and ' H.223﹠amp ORA is; H.245 ';
Step 512, terminal called return Call Confirmed message, do not carry new BC_IE in this message, and the expression terminal called can support VP (Video Phone, visual telephone) to call out;
Step 513, with after terminal called successfully connects, dialed terminal bell returns ALERTING message Alerting simultaneously and gives called MS C;
Step 514, called MS C send ACM message to MRBT, and the state of indication terminal called is idle in this message;
Step 515, MRBT send ACM message to caller MSC;
Step 516, caller MSC send Alerting message to calling mobile terminal;
Step 517, MRBT carry out the multimedia color ring back tone operation;
Step 518, MRBT send to caller MSC and carry the CPG message that multimedia color ring back tone is play indication;
Step 519, caller MSC send Connect message to calling terminal, and H.245 the indication calling terminal can be consulted with MRBT;
Step 520, calling terminal send Connect_ack message to caller MSC;
Step 521, calling terminal and MRBT carry out negotiation H.245;
Step 522, consult successfully after, to calling terminal play multimedia CRBT;
Step 523, after terminal called is replied, terminal called sends Connect message to called MS C;
Step 524, called MS C send the ANM response message to MRBT;
Step 525, called MS C send Connect_ack message to terminal called;
Step 526, MRBT send the ANM response message to caller MSC; Caller MSC begins calling terminal is chargeed;
H.245 step 527, terminal called and MRBT set up.MRBT stops to calling terminal play multimedia CRBT simultaneously, connects calling and called audio frequency and video passage;
Step 528, calling terminal and terminal called begin video calling.
In following examples, calling out multimedia call center with calling terminal is example.Wherein, realize having comprised an IP device that possesses the wideband video resource capability in the multimedia call center of multimedia hub function.
As shown in Figure 6, the embodiment of the invention comprises the steps:
Step 601, caller MSC receive the Setup message of calling terminal, and the called number that carries in the message is the multimedia call center number;
Step 602, caller MSC send Call_Proceeding message to calling terminal;
Step 603, caller MSC are according to called number, and judging terminal called is multimedia call center, send IAM message to multimedia call center; In described IAM message, comprise: the number of calling terminal and multimedia service access code;
Step 604, multimedia call center send ACM message to caller MSC;
Step 605, caller MSC send Alerting message to calling terminal;
Step 606, multimedia call center carry out multimedia service operation;
Step 607, multimedia call center send the CPG message of carrying the video call indication to caller MSC;
Step 608, caller MSC send Connect message to give calling terminal, and H.245 the indication calling terminal can be consulted;
Step 609, calling terminal return Connect_ack to caller MSC;
Step 610, calling terminal and multimedia call center carry out negotiation H.245;
It is mutual that step 611, calling terminal and multimedia call center carry out multimedia service;
Step 612, multimedia call center send ANM to caller MSC and reply signaling; Whether caller MSC begins to charge to calling terminal according to the business need decision.
By above realization reply before multimedia service method embodiment as can be seen, after multimedia hub is finished multimedia service operation according to the calling of calling mobile exchanging center, can send the progress Indication message to calling mobile exchanging center, represent that it has finished corresponding multimedia service operation.And described calling mobile exchanging center is after receiving described progress Indication message, can send connection request to calling terminal according to described message, indicates this calling terminal can initiate negotiation process with multimedia hub.Because multimedia hub represents that with the progress Indication message its multimedia service operation finishes, therefore, calling terminal can obtain the ability information that multimedia hub provides multimedia service accurately in the negotiation process, thereby has improved the success rate of holding consultation and operating with multimedia hub.
The embodiment of the invention also provides a kind of multimedia hub.As shown in Figure 7, the embodiment multimedia hub comprises: receiving element 71, and operating unit 72, transmitting element 73, negotiation element 74 and multimedia service provide unit 75; Wherein,
Receiving element 71 is used to receive the call request of calling mobile exchanging center, and the negotiation request of calling terminal; Operating unit 72 is used for the call request according to described receiving element reception, carries out multimedia service operation; Transmitting element 73 is used for after described operating unit 72 is finished multimedia service operation, sends connection message to described calling mobile exchanging center; Negotiation element 74 is used for the negotiation request that receives according to described receiving element 71, with the calling terminal operation of holding consultation; Multimedia service provides unit 75, is used for after the negotiation of negotiation element 74 is finished, and provides to described calling terminal and replys preceding multimedia service.
In addition, begin in the process of set up calling out with calling terminal, described receiving element 71 also is used to receive the initial address message of described calling mobile exchanging center; Described transmitting element 73 also is used for sending the address to described calling mobile exchanging center and finishes message; After the call setup success, send response message to described calling mobile exchanging center.
In addition, the embodiment of the invention also provides a kind of mobile switching centre.As shown in Figure 8, the mobile switching centre of the embodiment of the invention comprises: message sink unit 81, and message sending unit 82.Wherein, message sink unit 81 is used to receive multimedia hub at the connection message that carries out sending after the multimedia service operation; Message sending unit 82 is used for receiving described progress Indication message in described message sink unit 81, sends connection message to calling terminal, indicates the negotiations process of described calling terminal initiation and described multimedia hub.
Wherein, described message sink unit 81 also is used to receive the message of setting up of calling terminal; Described message sending unit 82 also is used for sending the calling continuation message to described calling terminal.As shown in Figure 9, described mobile switching centre also comprises: Charging Detail Record unit 83, be used for response message according to the described multimedia hub transmission of described message sink unit 81 receptions, and calling terminal is chargeed.
In sum, in an embodiment of the present invention, after multimedia hub is finished multimedia service operation according to the calling of calling mobile exchanging center, can send the progress Indication message to calling mobile exchanging center, represent that it has finished corresponding multimedia service operation.And described calling mobile exchanging center is after receiving described progress Indication message, can send connection request to calling terminal according to described message, indicates this calling terminal can initiate negotiation process with multimedia hub.
Because multimedia hub represents that with the progress Indication message its multimedia service operation finishes, therefore, calling terminal can obtain the ability information that multimedia hub provides multimedia service accurately in the negotiation process, thereby has improved the success rate of holding consultation and operating with multimedia hub.
Simultaneously, owing between the multimedia service operation of multimedia hub and the connection message of calling mobile exchanging center the sequential precedence relationship has been arranged, that is to say only receive the progress Indication message after, described calling mobile exchanging center just can send connection message to calling terminal.Therefore, this can guarantee that multimedia hub has sufficient time to finish the multimedia service operation of various complexity, thereby has paved road for 3G network provides the abundant preceding multimedia service of replying.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by described protection range with claim.

Claims (13)

1, a kind of method that realizes replying preceding multimedia service is characterized in that described method comprises the steps:
Multimedia service operation is carried out in call request according to calling mobile exchanging center;
After described multimedia service operation is finished, send the progress Indication message to described calling mobile exchanging center, so that described calling mobile exchanging center sends connection message according to described progress Indication message to calling terminal;
Receive the negotiation request that described calling terminal sends, with the operation of holding consultation of described calling terminal, wherein said negotiation request sends after receiving described connection message by described calling terminal;
After negotiation is finished, provide to described calling terminal and to reply preceding multimedia service.
2, the method for multimedia service before realization according to claim 1 is replied is characterized in that before carrying out multimedia service operation, described method also comprises:
Receive the initial address message that described calling mobile exchanging center sends;
Send the address to described calling mobile exchanging center and finish message, make described calling mobile exchanging center send ALERTING message to described calling terminal.
3, the method for multimedia service is characterized in that before realization according to claim 1 was replied, and described step to described calling mobile exchanging center transmission progress Indication message comprises:
After carrying out multimedia service operation, send the progress Indication message to described calling mobile exchanging center, so that described calling mobile exchanging center according to described progress Indication message, sends connection message to calling terminal, and receive the connection response message that sends by described calling terminal.
4, a kind of method that realizes replying preceding multimedia service is characterized in that described method comprises the steps:
Receive the progress Indication message that multimedia hub sends;
According to described progress Indication message, send connection message to calling terminal, indicate the negotiations process of described calling terminal initiation and described multimedia hub.
5, the method for multimedia service is characterized in that before realization according to claim 4 was replied, and before the step of the progress Indication message that the reception multimedia hub sends, described method comprises:
Receive the message of setting up of calling terminal;
Send the calling continuation message to described calling terminal.
6, reply according to claim 4 or 5 described realizations before the method for multimedia service, it is characterized in that, according to described progress Indication message, send the step of connection message to calling terminal after, described method also comprises:
Receive the response message that described multimedia hub sends, calling terminal is chargeed.
7, a kind of multimedia hub is characterized in that comprising:
Receiving element is used to receive the call request of calling mobile exchanging center, and the negotiation request of calling terminal, and wherein said negotiation request sends after receiving connection message by described calling terminal;
Operating unit is used for the call request according to described receiving element reception, carries out multimedia service operation;
Transmitting element, be used for after described operating unit is finished multimedia service operation, send the progress Indication message to described calling mobile exchanging center, so that described calling mobile exchanging center sends described connection message according to described progress Indication message to calling terminal;
Negotiation element is used for the negotiation request that receives according to described receiving element, with the calling terminal operation of holding consultation;
Multimedia service provides the unit, is used for after the negotiation of negotiation element is finished, and provides to described calling terminal and replys preceding multimedia service.
8, multimedia hub according to claim 7 is characterized in that,
Described receiving element also is used to receive the initial address message of described calling mobile exchanging center;
Described transmitting element also is used for sending the address to described calling mobile exchanging center and finishes message; After the call setup success, send response message to described calling mobile exchanging center.
9, a kind of mobile switching centre is characterized in that comprising:
The message sink unit is used to receive the progress Indication message that multimedia hub sends;
Message sending unit is used for according to described progress Indication message, sends connection message to calling terminal, indicates the negotiations process of described calling terminal initiation and described multimedia hub.
10, mobile switching centre according to claim 9 is characterized in that:
Described message sink unit also is used to receive setting up message and receiving the response message that described multimedia hub sends of calling terminal;
Described message sending unit also is used for sending the calling continuation message to described calling terminal;
Described mobile switching centre also comprises: Charging Detail Record unit, be used for response message according to the reception of described message sink unit, and calling terminal is chargeed.
11, a kind of system that realizes replying preceding multimedia service is characterized in that described system comprises: multimedia hub and calling mobile exchanging center; Wherein,
Described multimedia hub is used for after carrying out multimedia service operation according to the calling of calling mobile exchanging center, sends the progress Indication message to described calling mobile exchanging center;
Described calling mobile exchanging center is used for according to described progress Indication message, sends connection message to calling terminal, indicates the negotiations process of described calling terminal initiation and described multimedia hub.
12, the system of multimedia service before realization according to claim 11 is replied is characterized in that described multimedia hub comprises:
Receiving element is used to receive the call request of calling mobile exchanging center, and the negotiation request of calling terminal;
Operating unit is used for the call request according to described receiving element reception, carries out multimedia service operation;
Transmitting element is used for after described operating unit is finished multimedia service operation, sends the progress Indication message to described calling mobile exchanging center;
Negotiation element is used for the negotiation request that receives according to described receiving element, with the calling terminal operation of holding consultation;
Multimedia service provides the unit, is used for after the negotiation of negotiation element is finished, and provides to described calling terminal and replys preceding multimedia service.
13, the system of multimedia service before realization according to claim 11 is replied is characterized in that described mobile switching centre comprises:
The message sink unit is used to receive the progress Indication message that multimedia hub sends;
Message sending unit is used for sending connection message with according to described progress Indication message to calling terminal, indicates the negotiations process of described calling terminal initiation and described multimedia hub.
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CN102316448A (en) * 2010-07-01 2012-01-11 中国移动通信集团公司 Route addressing method, system and device adopting virtual number

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KR100646345B1 (en) * 2005-08-17 2006-11-23 에스케이 텔레콤주식회사 Method and system for providing tone and announcement upon checking subscription for multimedia ring back tone service
CN1859496B (en) * 2006-03-10 2010-07-28 华为技术有限公司 System and method for realizing multimedia color ring service
CN100463471C (en) * 2006-05-17 2009-02-18 中国移动通信集团公司 Method for realizing video color ring broadcast

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102316448A (en) * 2010-07-01 2012-01-11 中国移动通信集团公司 Route addressing method, system and device adopting virtual number

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