CN101646271B - 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
CN101646271B
CN101646271B CN 200810117860 CN200810117860A CN101646271B CN 101646271 B CN101646271 B CN 101646271B CN 200810117860 CN200810117860 CN 200810117860 CN 200810117860 A CN200810117860 A CN 200810117860A CN 101646271 B CN101646271 B CN 101646271B
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China
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message
multimedia
calling
calling terminal
multimedia service
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Chinese (zh)
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CN101646271A (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
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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

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 device and 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 services before 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 the terminal, receive that at calling terminal response message (ANM, Answer Message) is preceding usually, be its voice service that provides some not charge.We are called these voice services and reply preceding voice service, and voice service comprises before the replying of this type: 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 by the change of 2G network to 3G network at present.The relative 2G network of 3G network biggest advantage is that 3G network can provide video call business for the 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 said the replying, and is some multimedia services that calling terminal provides 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 at 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, as shown in Figure 1, and 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, said calling mobile exchanging center are according to said 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, in said message, includes the MSRN of terminal called;
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, said MMC send ACM (Address Complete Message, message is accomplished 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, said 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 said calling terminal and MMC H.245 to consult;
Step 20, said calling terminal send Connect_Ack (connection is replied) message to the MSC of said calling terminal;
H.245, step 21, calling terminal and MMC consult;
Step 22, after consulting successfully, be that calling terminal provides and replys preceding multimedia service by MMC.
State in realization in the process of voice service before replying; The inventor finds to have following problem in the prior art at least: 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 the negotiation with multimedia hub; MMC possibly not carry out multimedia service operation, so 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 complicacy can be provided.
The method of multimedia service adopted following technical scheme 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 said multimedia service operation is accomplished, send the progress Indication message to said calling mobile exchanging center, so that said calling mobile exchanging center is sent connection message according to said progress Indication message to calling terminal;
Receive the agreement request that said calling terminal sends, with the operation of holding consultation of said calling terminal, wherein said agreement request is sent after receiving said connection message by said calling terminal;
After negotiation is accomplished, provide to said calling terminal and to reply preceding multimedia service.
The method of multimedia service also can adopt following technical scheme 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 said progress Indication message, send connection message to calling terminal, indicate the negotiations process of said calling terminal initiation and said 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 agreement request of calling terminal;
Operating unit is used for the call request according to said receiving element reception, carries out multimedia service operation;
Transmitting element is used for after said operating unit is accomplished multimedia service operation, sends the progress Indication message to said calling mobile exchanging center, so that said calling mobile exchanging center is sent connection message according to said progress Indication message to calling terminal;
Negotiation element is used for the agreement request that receives according to said 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 accomplished, and provides to said calling terminal and replys preceding multimedia service.
Embodiment of the invention mobile switching centre adopts following technical scheme:
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 said progress Indication message, sends connection message to calling terminal, indicates the negotiations process of said calling terminal initiation and said multimedia hub.
The system of multimedia service adopted following technical scheme 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,
Said 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 said calling mobile exchanging center;
Said calling mobile exchanging center is used for according to said progress Indication message, sends connection message to calling terminal, indicates the negotiations process of said calling terminal initiation and said multimedia hub.
In embodiments of the present invention, after multimedia hub is accomplished multimedia service operation according to the calling of calling mobile exchanging center, can send the progress Indication message, represent it and accomplished corresponding multimedia service operation to calling mobile exchanging center.And described calling mobile exchanging center is after receiving said progress Indication message, can send connection request to calling terminal according to said message, indicates this calling terminal can initiate the negotiation process with multimedia hub.Because multimedia hub representes that with the progress Indication message its multimedia service operation accomplishes; 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 be sent connection message to calling terminal, and this can guarantee that multimedia hub has sufficient time to accomplish the multimedia service operation of various complicacies, 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 sketch map 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; Obviously, the 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, said 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 said calling mobile exchanging center; Said calling mobile exchanging center 22 is used for according to said progress Indication message, sends connection message to calling terminal, indicates the negotiations process of said calling terminal initiation and said 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 accomplished multimedia service operation according to the calling of calling mobile exchanging center, can send the progress Indication message, represent it and accomplished corresponding multimedia service operation to calling mobile exchanging center.And described calling mobile exchanging center is after receiving said progress Indication message, can send connection request to calling terminal according to said message, indicates this calling terminal can initiate the negotiation process with multimedia hub.Because multimedia hub representes that with the progress Indication message its multimedia service operation accomplishes; 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 be sent connection message to calling terminal, and this can guarantee that multimedia hub has sufficient time to accomplish the multimedia service operation of various complicacies, 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 said attaching position register, send the message of calling out continuation to calling terminal.Then, calling mobile exchanging center will be sent initial address message to multimedia hub (Initial Address Message IAM), is included the MSRN and the Mobile Subscriber International ISDN Number of multimedia service number and terminal called in said initial address message.After receiving the address completion message (ACM) that multimedia hub sends, send ALERTING message to calling terminal.Afterwards, said multimedia hub will carry out multimedia service operation.
Step 32, after said multimedia service operation is accomplished, said multimedia hub sends the progress Indication message to said calling mobile exchanging center;
In this process, after said multimedia hub carries out multimedia service operation according to the calling of calling terminal, send the progress Indication message to said calling mobile exchanging center, notify said calling mobile exchanging center its accomplished multimedia service operation.Said calling mobile exchanging center is sent connection message (Connect) according to said progress Indication message to calling terminal; Said calling terminal sends connection response message (Connect_Ack) to said calling mobile exchanging center after receiving said connection message.
Step 33, said multimedia hub receive the agreement request that said calling terminal sends according to said progress Indication message, with the operation of holding consultation of said calling terminal;
Step 34, after negotiation is accomplished, said multimedia hub provides to said 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; Said multimedia hub sends to said calling mobile exchanging center and replys that (Answer Message, ANM) message are chargeed to calling terminal after receiving said response message by said 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 said MSRN, send the message of calling out continuation to calling terminal.And after receiving the address completion message (ACM) that multimedia hub sends, send ALERTING message to calling terminal.
Step 42, said calling mobile exchanging center are according to said progress Indication message; Send connection message to calling terminal; Indicate the negotiations process of said calling terminal initiation and said multimedia hub, and after receiving the response message of said multimedia hub, calling terminal is chargeed.
For the clearer technical scheme of understanding the embodiment of the invention, the implementation procedure of the embodiment of the invention is once described below in conjunction with two concrete embodiment.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 '; ORA (OtherRate Adaptation, other rate identification) is ' H.223&H.245 ', and 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 said terminal called distributes MSRN, and return PRN_ACK message to called HLR, in said message, include said MSRN;
Step 505, called HLR are sent 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; Said 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 said 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 through said 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 is sent 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 ORA is ' H.223&H.245 ';
Step 512, terminal called return Call Confirmed message, in this message, do not carry new BC_IE, 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 and give 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 the calling terminal play multimedia ring back tones;
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 the calling terminal play multimedia ring back tones 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 said 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.
The embodiment that is replied the method for preceding multimedia service by above realization can find out; After multimedia hub is accomplished multimedia service operation according to the calling of calling mobile exchanging center; Can send the progress Indication message to calling mobile exchanging center, represent it and accomplished corresponding multimedia service operation.And described calling mobile exchanging center is after receiving said progress Indication message, can send connection request to calling terminal according to said message, indicates this calling terminal can initiate the negotiation process with multimedia hub.Because multimedia hub representes that with the progress Indication message its multimedia service operation accomplishes; 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 agreement request of calling terminal; Operating unit 72 is used for the call request according to said receiving element reception, carries out multimedia service operation; Transmitting element 73 is used for after said operating unit 72 is accomplished multimedia service operation, sending connection message to said calling mobile exchanging center; Negotiation element 74 is used for the agreement request that receives according to said 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 accomplished, and provides to said calling terminal and replys preceding multimedia service.
In addition, begin in the process of set up calling out with calling terminal, said receiving element 71 also is used to receive the initial address message of said calling mobile exchanging center; Said transmitting element 73 also is used for sending the address to said calling mobile exchanging center and accomplishes message; After the call setup success, send response message to said 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 said progress Indication message in said message sink unit 81, sends connection message to calling terminal, indicates the negotiations process of said calling terminal initiation and said multimedia hub.
Wherein, said message sink unit 81 also is used to receive the message of setting up of calling terminal; Said message sending unit 82 also is used for sending the calling continuation message to said calling terminal.As shown in Figure 9, said mobile switching centre also comprises: Charging Detail Record unit 83, be used for response message according to the said multimedia hub transmission of said message sink unit 81 receptions, and calling terminal is chargeed.
In sum; In an embodiment of the present invention; After multimedia hub is accomplished multimedia service operation according to the calling of calling mobile exchanging center, can send the progress Indication message to calling mobile exchanging center, represent it and accomplished corresponding multimedia service operation.And described calling mobile exchanging center is after receiving said progress Indication message, can send connection request to calling terminal according to said message, indicates this calling terminal can initiate the negotiation process with multimedia hub.
Because multimedia hub representes that with the progress Indication message its multimedia service operation accomplishes; 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 be sent connection message to calling terminal.Therefore, this can guarantee that multimedia hub has sufficient time to accomplish the multimedia service operation of various complicacies, thereby has paved road for 3G network provides the abundant preceding multimedia service of replying.
The above; Be merely embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses; Can expect easily changing or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by said protection range with claim.

Claims (13)

1. the method for multimedia service is characterized in that said method comprises the steps: before a realization was replied
Multimedia service operation is carried out in call request according to calling mobile exchanging center;
After said multimedia service operation is accomplished, send the progress Indication message to said calling mobile exchanging center, so that said calling mobile exchanging center is sent connection message according to said progress Indication message to calling terminal; Wherein, said progress Indication message is used to represent that multimedia hub accomplished multimedia service operation;
Receive the agreement request that said calling terminal sends, with the operation of holding consultation of said calling terminal, wherein said agreement request is sent after receiving said connection message by said calling terminal;
After negotiation is accomplished, provide to said 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, said method also comprises:
Receive the initial address message that said calling mobile exchanging center is sent;
Send the address to said calling mobile exchanging center and accomplish message, make said calling mobile exchanging center send ALERTING message to said calling terminal.
3. the method for multimedia service is characterized in that before realization according to claim 1 was replied, and said step to said calling mobile exchanging center transmission progress Indication message comprises:
After carrying out multimedia service operation; Send the progress Indication message to said calling mobile exchanging center; So that said calling mobile exchanging center according to said progress Indication message, is sent connection message to calling terminal, and receive the connection response message of sending by said calling terminal.
4. the method for multimedia service is characterized in that said method comprises the steps: before a realization was replied
Receive the progress Indication message that multimedia hub sends, wherein, said progress Indication message is used to represent that said multimedia hub accomplished multimedia service operation;
According to said progress Indication message, send connection message to calling terminal, indicate the negotiations process of said calling terminal initiation and said 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, said method comprises:
Receive the message of setting up of calling terminal;
Send the calling continuation message to said calling terminal.
6. the method for multimedia service is characterized in that before replying according to claim 4 or 5 described realizations, according to said progress Indication message, send the step of connection message to calling terminal after, said method also comprises:
Receive the response message that said multimedia hub sends, calling terminal is chargeed.
7. multimedia hub is characterized in that comprising:
Receiving element is used to receive the call request of calling mobile exchanging center, and the agreement request of calling terminal, and wherein said agreement request is sent after receiving connection message by said calling terminal;
Operating unit is used for the call request according to said receiving element reception, carries out multimedia service operation;
Transmitting element; Be used for after said operating unit is accomplished multimedia service operation; Send the progress Indication message to said calling mobile exchanging center, so that said calling mobile exchanging center is sent said connection message according to said progress Indication message to calling terminal; Wherein, said progress Indication message is used to represent that multimedia hub accomplished multimedia service operation;
Negotiation element is used for the agreement request that receives according to said 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 accomplished, and provides to said calling terminal and replys preceding multimedia service.
8. multimedia hub according to claim 7 is characterized in that,
Said receiving element also is used to receive the initial address message of said calling mobile exchanging center;
Said transmitting element also is used for sending the address to said calling mobile exchanging center and accomplishes message; After the call setup success, send response message to said calling mobile exchanging center.
9. mobile switching centre is characterized in that comprising:
The message sink unit is used to receive the progress Indication message that multimedia hub sends, and wherein, said progress Indication message is used to represent that said multimedia hub accomplished multimedia service operation;
Message sending unit is used for according to said progress Indication message, sends connection message to calling terminal, indicates the negotiations process of said calling terminal initiation and said multimedia hub.
10. mobile switching centre according to claim 9 is characterized in that:
Said message sink unit also is used to receive setting up message and receiving the response message that said multimedia hub sends of calling terminal;
Said message sending unit also is used for sending the calling continuation message to said calling terminal;
Said mobile switching centre also comprises: Charging Detail Record unit, be used for response message according to the reception of said message sink unit, and calling terminal is chargeed.
11. the system of multimedia service is characterized in that said system comprises: multimedia hub and calling mobile exchanging center before a realization was replied; Wherein,
Said 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 said calling mobile exchanging center; Wherein, said progress Indication message is used to represent that multimedia hub accomplished multimedia service operation;
Said calling mobile exchanging center is used for according to said progress Indication message, sends connection message to calling terminal, indicates the negotiations process of said calling terminal initiation and said multimedia hub.
12. the system of multimedia service before realization according to claim 11 is replied is characterized in that said multimedia hub comprises:
Receiving element is used to receive the call request of calling mobile exchanging center, and the agreement request of calling terminal;
Operating unit is used for the call request according to said receiving element reception, carries out multimedia service operation;
Transmitting element is used for after said operating unit is accomplished multimedia service operation, sends the progress Indication message to said calling mobile exchanging center;
Negotiation element is used for the agreement request that receives according to said 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 accomplished, and provides to said 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 said 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 said progress Indication message to calling terminal, indicates the negotiations process of said calling terminal initiation and said multimedia hub.
CN 200810117860 2008-08-06 2008-08-06 Method, device and system for realizing multimedia services before answering Active CN101646271B (en)

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