CN1960254A - Method and system for implementing pass check service of videophone based on IP multimedia subsystem - Google Patents
Method and system for implementing pass check service of videophone based on IP multimedia subsystem Download PDFInfo
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- CN1960254A CN1960254A CN 200610114713 CN200610114713A CN1960254A CN 1960254 A CN1960254 A CN 1960254A CN 200610114713 CN200610114713 CN 200610114713 CN 200610114713 A CN200610114713 A CN 200610114713A CN 1960254 A CN1960254 A CN 1960254A
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Abstract
The business-customized user is as a called party (DP). When DP receives the call access request from the calling party (GP), he asks via business platform GP sending a Video Message (VM) to indicate his ID. According to VM, DP selects whether to answer this call or not. This completes the ID attestation. In case DP cannot be reached or a busy tone is returned, VM recorded by GP is sent to DP's Mail Box as a Video Mail for future read. This business system consists of the IP multi-media sub-system and videophone pass-card VPP business platform. This platform includes the application server AS, the media resource function server MRF, the media resource server, the database server and the gate net station Portal. The invention offers a forward active inquire mechanism against the strange calling and asks GP to record and send video ID recognition info. According to the Video Message, the called party selects whether to answer this call or not so as to prevent annoy calls effectively.
Description
Technical field
The present invention relates to a kind of new business of mobile communication, exactly, relate to a kind of implementation method and system of the pass check service of videophone based on IP Multimedia System, belong to the mobile communication value-added service technical field.
Background technology
Puzzlement cellphone subscriber's a large worry is often to meet with various forms of harassing calls, such as marketing, social investigation, reaction publicity etc., sometimes also can run into the situation of getting the wrong number, even also can meet with and maliciously cheat phone. The user answers this calling in unwitting situation, can bring a lot of unnecessary troubles and puzzled inconvenience, even economic loss.
Now, some commercial mobile phone provides the blacklist function for this situation, access that can the masked segment telephone number, thus avoid being subjected to it to harass. But arranging of blacklist must have a prerequisite: know in advance the number that needs shielding. Therefore, for numerous strangeness numbers, this function is just helpless, performs practically no function. And, in case after blacklist is set, then continue shielding, sometimes may also can cause maloperation, lose important information. In addition, in some cases, such as because the cause specific user is inconvenient to receive calls or the user is conversing and return busy tone or subscriber absent etc., cause the user to lose actively or passively some call information, all can make troubles and lose to the user.
Under the trend of complete IP network architecture evolution, third generation partnership 3GPP has introduced the concept of IP Multimedia System (IMS, IP Multimedia Subsystem) in UMTS R5 in mobile communication. IMS is a system based on the IP standard that is independent of access technology, can realize intercommunication with existing voice and data network, can make various types of clients can set up the IP communication of equity by this system. Necessary correlation function (such as registration, safety, charging, roaming etc.) when IMS can also finish every business and provides. In a word, IMS has formed the heart of IP kernel heart net, is ideal scheme and developing direction that two network integrations were moved and fixed in solution that industry is generally admitted.
Summary of the invention
In view of this, the purpose of this invention is to provide implementation method and the system of a kind of pass check service of videophone based on IP Multimedia System (VPP, Video Phone Passport), be used for solving at present puzzlement cellphone subscriber's harassing call problem. This pass check service of videophone provides forward direction initiatively to inquire mechanism for the strange phone of mobile phone access, requires the calling subscribe to record and sends the video authentication information, and the called subscriber determines whether answer the call by this video information. And for called subscriber's relatives, friend, colleague etc., then can directly set up conversation in order to do not need to carry out authentication by the list of exempting authentication is set, to improve communication efficiency.
In order to achieve the above object, the invention provides a kind of system that realizes pass check service of videophone based on IP Multimedia System, it is characterized in that: this system also comprises visual telephone pass VPP business platform, and this VPP business platform comprises following component units:
Application server AS is responsible for operation visual telephone pass VPP service logic, and controls the operation of media resource function server MRF according to service logic; By Session initiation protocol SIP message and service-call session control function server S-CSCF and the mutual control signal of MRF;
Media resource function server MRF, the recording and broadcast, the generation of video-mail Video Mail and the operation that collects the digits of broadcast, video messaging Video Message file that the providing and processing of media resource-comprise prompt tone and/or video are provided; IP based network is by media stream between realtime transmission protocol RTP and the calling and called;
Media Resource Server is used for medium and processes needed media file, comprises at least prompt tone and/or video file, video messaging Video Message file, video-mail Video Mail file; By transfer medium file between NFS NFS/ trivial file transfer protocol TFTP and the MRF;
Database server is used for preserving user's business datum and media resource information, and is provided with database access interface, visits and the Update Table storehouse by this interface for AS and the Web page;
The Portal of portal website for the user provides the access of WWW website, so that the user adopts Web mode access service platform, disposes the service attribute of oneself, and the media resource information of management oneself.
IP Multimedia System in the described system comprises following component units at least: service-call session control function server S-CSCF, Proxy-Call Session Control Function server P-CSCF, inquiry-CSCF server I-CSCF and home subscriber server HSS.
Described IP Multimedia System adopts layered network architecture: its signaling network is realized calling out control based on Session Initiation Protocol, and service operation is more than key-course, by sip message and service-call session control function server S-CSCF interactive service control signal; Be provided with open interface between key-course and the operation layer, allow operator to adopt this single IP Multimedia System as core net, the business based on SIP across mobile network and fixed network is provided.
Described pass check service of videophone VPP platform has following function:
Accept called subscriber's business application: professional to this business platform application and customization VPP by the called subscriber;
Process and call out: by IP Multimedia System equipment--service-call session control function server S-CSCF inquiry home subscriber server HSS, the calling of strange telephone number being initiated according to called business information is triggered to the VPP business platform; Business platform requires caller that the video authentication information is provided according to called service attribute and business setting, and plays the in advance multimedia audible ringing tone of customization to caller;
Exempt authentication: service-user arranges by web page registering service platform exempts the authentication list, when the telephone subscriber in this list makes a call to service-user as caller, need not carry out authentication; Behind web page registering service platform, the operation that service-user can increase, delete or revise this list;
Multimedia audible ringing tone: service-user arranges the Extraordinary multimedia audible ringing tone by Web page registering service platform, so that at called terminal ringing with check that in the caller video information process, business platform is play this multimedia audible ringing tone to caller;
Video-mail Video Mail message: in the time of can not answering the calling of caller owing to the cause specific service-user, the video information that business platform is recorded caller sends to as video-mail Video Mail among the mailbox Mail Box of service-user, signs in to Mail Box for the user and checks; Business platform then passes through the generation of note informing business user Video Mail.
Audio/video navigation: business platform by the playing alert tones prompting user record, button and other operation, or provide video navigation information by the displaying video content, make the mutual abundant, directly perceived of user's peace platform.
In order to achieve the above object, the present invention also provides a kind of implementation method of the pass check service of videophone based on IP Multimedia System, it is characterized in that: as the business customizing user of called Callee when receiving the calling access request of caller Caller, require caller Caller to send video messaging file Video Message by business platform and indicate the identity of oneself, whether answer this calling by called Callee according to the Video Message Information Selection of caller Caller, thereby identification verification function is provided; Be in unreachable or during return busy tone, the Video Message that caller Caller records then sends among the mailbox Mail Box of called Callee as video-mail Video Mail at called Callee, check later on for called Callee.
Described method comprises following operating procedure:
(1) caller Caller makes a call to called Callee, behind service-call session control function server S-CSCF inquiry home subscriber server HSS, calling is triggered to the application server AS of visual telephone pass VPP business platform according to the service attribute of this called Callee;
(2) AS at first controls caller Caller and Multimedia Resource Function server MRF carries out media negotiation, set up the connection of realtime transmission protocol RTP, and control MRF is to Caller playing alert tones and/or video, require Caller recorded video message file Video Message, to indicate own identity or as video message; After Caller finishes Video Message, finish its operation by any key;
(3) AS makes a call to called Callee, if Callee can reach and when idle, order is carried out subsequent operation; If Callee is unreachable, overtime, busy or during rejection, redirect execution in step (7);
(4) called Callee begins ring, and during the Callee ring, AS control MRF plays the audio or video file of Callee customization to caller Caller;
(5) called Callee off-hook is replied, and AS control Callee and MRF carry out media negotiation, sets up RTP and connects, and control the Video Message that MRF records to called Callee playing and calling Caller; After finishing, MRF playing alert tones and/or video, whether inquiry Callee is ready to answer the calling of Caller;
(6) called Callee responds by button: if Callee selects to answer, then AS control MRF discharges all session connection Dialog, and between Caller and Callee, set up RTP by reINVITE message and connect, realize the video calling Video Call between the calling and called, behind end of conversation, finish whole flow processs; If Callee selects rejection, then order is carried out subsequent operation;
(7) AS control MRF informs this call failure and failure cause to caller Caller playing alert tones;
(8) AS control MRF sends to the video messaging file Video Message that caller Caller records among the mailbox Mail Box of called Callee as video-mail Video Mail;
(9) AS control caller Caller and MRF discharge the session connection Dialog that has set up.
The present invention is a kind of implementation method and system of the pass check service of videophone based on IP Multimedia System, the visual telephone pass as the major advantage of the new business of mobile phone is: for the strange phone of mobile phone access, provide forward direction initiatively to inquire mechanism, require the calling subscribe to record and send the video authentication information, determine whether answer the call for the called subscriber by this video information, in order to effectively stop to perplex at present cellphone subscriber's harassing call. And for called subscriber's relatives, friend, colleague etc., then can be by the list of exempting authentication be set, do not need to carry out authentication and directly set up conversation, to improve communication efficiency. And, system of the present invention and implementation method need not be carried out large upgrading or change to the existing network equipment of operator, as long as set up a VPP business platform with the collaborative work of IMS core net, this VPP business platform is simple in structure, and the duration is short, invests little, implement very convenient, therefore, the present invention has good application prospect, this business to open for telecom operators and cellphone subscriber be a doulbe-sides' victory.
Description of drawings
Fig. 1 the present invention is based on IP Multimedia System to realize that the network architecture of pass check service of videophone forms schematic diagram.
Fig. 2 is that the VPP platform structure among Fig. 1 forms schematic diagram.
Fig. 3 is the video call signaling message flow chart that the present invention is based in the implementation method of IP Multimedia System pass check service of videophone.
Fig. 4 is the video-mail signaling message flow chart that the present invention is based in the implementation method of IP Multimedia System pass check service of videophone.
The specific embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
Referring to Fig. 1 and Fig. 2, introduce the system that the present invention realizes pass check service of videophone, this system comprises two parts: the IP Multimedia System 1 of existing network and the visual telephone pass VPP business platform 2 of setting up. Wherein IP Multimedia System 1 (claims again: the IMS core net) comprise at least following component units: service-CSCF server S-CSCF, Proxy-Call Session Control Function server P-CSCF, inquire-CSCF server I-CSCF and home subscriber server HSS. 2 of VPP business platforms mainly comprise application server AS, media resource function server MRF, Media Resource Server, database server and the Portal of portal website. Wherein:
Application server AS is responsible for moving pass check service of videophone (VPP, Video Phone Passport) service logic, according to the operation of service logic control MRF; By sip message and S-CSCF and the mutual control signal of MRF;
Media resource function server MRF is provided by providing and processing of media resource: the recording and broadcast, the generation of Video Mail and the operation etc. that collects the digits of broadcast, Video Message that comprises prompt tone and/or video; IP based network is by the Real-time Transport Protocol media stream between MRF and the calling and called;
Media Resource Server is used for medium and processes needed media file, such as prompt tone and/or video file, Video Message file, Video Mail file etc.; Pass through NFS/TFTP agreement transfer medium file between Media Resource Server and the MRF;
Database server is used for preserving user's business datum and media resource information, and is provided with database access interface, visits and the Update Table storehouse by this access interface for AS and the Web page;
The Portal of portal website provides WWW website access for the user, by Web mode access service platform, disposes the service attribute of oneself for the user, and oneself media resource information is managed.
This IMS core network adopts the layer architecture system: its signaling network is realized calling out control based on Session Initiation Protocol, and service operation is more than key-course, by sip message and each CSCF interactive service control signal; Be provided with open interface between key-course and the operation layer, allow operator to adopt this single IMS core network that the business based on SIP across mobile network and fixed network is provided.
The present invention is again a kind of implementation method of the pass check service of videophone based on IP Multimedia System: the business customizing user is as called Callee, when receiving the calling access request of caller Caller, require caller Caller to send Video Message by business platform and indicate the identity of oneself, whether called Callee then can answer this calling according to the Video Message Information Selection of caller Caller, thereby identification verification function is provided; Be in unreachable or during return busy tone, the Video Message that caller Caller records then sends among the Mail Box of called Callee as Video Mail at called Callee, check later on for called Callee.
The concrete operation step of this VPP service implementation method:
(1) caller Caller makes a call to called Callee, behind the service-call session control function server CSCF inquiry home subscriber server HSS, calling is triggered to the application server AS of business platform according to the service attribute of this called Callee;
(2) AS at first controls caller Caller and carries out media negotiation with MRF server and set up RTP and connect, and the control MRF server is to Caller playing alert tones and/or video, require Caller to record Video Message, to indicate own identity or as video message; After Caller finishes Video Message, finish its operation by any key;
(3) AS makes a call to called Callee, if Callee can reach and when idle, order is carried out subsequent operation; If Callee is unreachable, overtime, busy or during rejection, redirect execution in step (7);
(4) called Callee begins ring, and during the Callee ring, AS control MRF server is play the audio or video file of Callee customization to caller Caller;
(5) called Callee off-hook is replied, and AS control Callee and MRF server carry out media negotiation, sets up RTP and connects, and control the Video Message that MRF server is recorded to Callee playing and calling Caller; After finishing, MRF server playing alert tones and/or video, whether inquiry Callee is ready to answer the calling of Caller;
(6) called Callee responds by button: if Callee selects to answer, then AS control MRF discharges all session connection Dialog, and between Caller and Callee, set up RTP by reINVITE message and connect, realize the Video Call dialogue between the calling and called, behind end of conversation, finish whole flow processs; If Callee selects rejection, then order is carried out subsequent operation;
(7) AS control MRF server is informed this call failure and failure cause to caller Caller playing alert tones and/or video;
(8) AS control MRF server sends to the Video Message that caller Caller records among the Mail Box of called Callee as Video Mail;
(9) AS control caller Caller and MRF server discharge the session connection Dialog that has set up.
Can find out that from the aforesaid operations step this VPP business can be subdivided into Video Call and two concrete professional operating process of Video Mail. Video Call is that caller Caller and called Callee finish authentication by Video Message and set up the process of video calling, Video Mail then is because called Callee is unreachable, busy or during rejection caller incoming call, the Video Message of caller Caller is converted to the process of video-mail.
The below describes respectively these two the professional signaling message flow processs of crossing in detail, for the description of simplified signaling flow process, in Fig. 3 and Fig. 4 S-CSCF, I-CSCF and P-CSCF three's unification are replaced it with CSCF, and the supposition calling and called belongs to same IMS network. Numbering among the figure after the message (a, b, c, d) is be used to distinguishing different SIP dialog.
Referring to Fig. 3 and following form 1, describe Video Call message flow (the alphabetical a of message back, b, c etc. are used for labeled message and are subordinated to different dialogue dialog) in detail:
| The message sequence number | Message name | The message explanation |
| F1-F2 | INVITE | Caller Caller makes a call, and is routed to application server AS (carrying Caller Session Description Protocol SDP message) through CSCF. |
| F3 | INVITE | AS initiates a new calling (carrying Caller Session Description Protocol SDP message) to MRF. |
|
| 200 OK | MRF carries out media negotiation, returns 200OK response message (carry negotiation after Media Session Description Protocol SDP message). |
|
F5- | 200 OK | AS returns 200OK response message (carry negotiation after Media Session Description Protocol SDP message) to caller Caller. |
| F7-F8 | ACK | Caller Caller returns acknowledge message ACK to AS. |
| F9 | ACK | AS returns acknowledge message ACK to MRF. So far, set up the RTP connection by media negotiation between Caller and the MRF. |
| F10 | INFO(MSML) | AS sends INFO to MRF, carries media session markup language MSML content indicating services logic among the message body body. Require MRF to caller Caller playing alert tones and/or video, and record the video message of caller. |
|
| 200 OK(MSML) | MRF returns 200 OK response messages, and carries out above-mentioned media manipulation according to the indication of AS. |
| S1 | Video Message Recording | After caller Caller receives prompt tone and/or video, record Video Message, finish record after, press any key and finish. MRF carries MSML context notification AS collect the digits event and End Event by INFO. (this INFO not shown in FIG. and 200 corresponding OK message) |
| F12-F13 | INVITE | AS is not to called Callee make a call (carrying Session Description Protocol SDP message). |
|
F14- |
180 | 180 Ringing message are returned in called Callee ring. |
| F16 | INFO(MSML) | AS sends INFO to MRF, carries media session markup language MSML content indicating services logic among the message body body. Require MRF to play the multimedia color ring back tone of called custom-made to caller Caller. |
|
| 200 OK(MSML) | MRF returns 200 OK response messages, and carries out above-mentioned media manipulation according to the indication of AS. |
| S2 | MRBT Playing | Called terminal ringing and follow-up watching in the Video Message process that caller records, MRF is always at multimedia color ring back tone from called custom-made to caller that play. |
|
F18- | 200 OK | Called Callee off-hook is replied, and returns 200 OK response messages to AS (carrying Callee Session Description Protocol SDP message). |
| F20 | INVITE | AS initiates a new calling (carrying Callee Session Description Protocol SDP message) to MRF. |
|
| 200 OK | MRF carries out media negotiation, returns 200 OK response messages (carry negotiation after Media Session Description Protocol SDP message). |
| F22 | ACK | AS returns acknowledge message ACK to MRF. |
| F23-F24 | ACK | AS returns acknowledge message ACK (carry negotiation after Media SDP) to called Callee. So far, set up the RTP connection by media negotiation between Callee and the MRF. |
| F25 | INFO(MSML) | AS sends INFO to MRF, carries media session markup language MSML content indicating services logic among the message body body. The video message that requires MRF to record to called Callee playing and calling, and point out called Callee whether to be ready to answer the call. |
|
| 200 OK(MSML) | MRF returns 200 OK response messages, and carries out above-mentioned media manipulation according to the indication of AS. |
| S3 | Video Message Playing | The video message that MRF records to called Callee playing and calling, and point out called Callee whether be ready to answer the call (for example, |
| F27 | BYE | Called Callee selects to answer the call by |
|
| 200 OK | The MRF releasing session connects Dialog, returns 200 OK response messages. |
| F29 | BYE | AS sends BYE message to MRF, requires MRF release corresponding to the session connection Dialog of called Callee. |
|
| 200 OK | The MRF releasing session connects Dialog, returns 200 OK response messages. |
| F31-F32 | reINVITE | AS sends reINVITE message to caller Caller, requires Caller to disconnect and being connected of MRF, and rebulids be connected (not the carrying Session Description Protocol SDP message) with called Callee. |
|
F33- | 200 OK | Caller Caller returns 200 OK response messages (carrying Caller Session Description Protocol SDP message). |
| F35-F36 | reINVITE | AS sends reINVITE message to called Callee, requires Callee to disconnect and being connected of MRF, and rebulids be connected (the carrying Caller Session Description Protocol SDP message) with caller Caller. |
|
F37- | 200 OK | Called Callee carries out media negotiation, returns 200 OK response messages (carry negotiation after Session Description Protocol SDP message). |
| F39-F40 | ACK | AS returns acknowledge message ACK to called Callee. |
| F41-F42 | ACK | AS returns acknowledge message ACK (carry negotiation after Session Description Protocol SDP message) to caller Caller. |
| S4 | Video Call | Caller Caller be connected Callee and set up the RTP connection by media negotiation, carry out video calling. |
Referring to Fig. 4 and following form 2, describe Video Mail message flow (the alphabetical a of message back, b, c etc. are used for labeled message and are subordinated to different dialogue dialog) in detail:
| The message sequence number | Message name | The message explanation |
| F1-F2 | INVITE | Caller Caller makes a call, and is routed to application server AS (carrying Caller Session Description Protocol SDP message) through CSCF. |
| F3 | INVITE | AS initiates a new calling (carrying Caller Session Description Protocol SDP message) to MRF. |
|
| 200 OK | MRF carries out media negotiation, returns 200 OK response messages (carry negotiation after Media Session Description Protocol SDP message). |
|
F5- | 200 OK | AS returns 200 OK response messages (carry negotiation after Media Session Description Protocol SDP message) to caller Caller. |
| F7-F8 | ACK | Caller Caller returns acknowledge message ACK to AS. |
| F9 | ACK | AS returns acknowledge message ACK to MRF. So far, set up the RTP connection by media negotiation between Caller and the MRF. |
| F10 | INFO(MSML) | AS sends INFO to MRF, carries media session markup language MSML content indicating services logic among the message body body. Require MRF to caller Caller playing alert tones and/or video, |
| And record the video message of caller. | ||
|
|
200 OK(MSML) | MRF returns 200 OK response messages, and carries out above-mentioned media manipulation according to the indication of AS. |
| S1 | Video Message Recording | After caller Caller receives prompt tone and/or video, record Video Message, finish record after, press any key and finish. MRF carries MSML context notification AS collect the digits event and End Event by INFO. (this INFO not shown in FIG. and 200 corresponding OK message) |
| F12-F13 | INVITE | AS is not to called Callee make a call (carrying Session Description Protocol SDP message). |
| F14-F15 | 404/480/486 | Because a variety of causes causes calling out called Callee failure, returns Failure message, comprises 404 (Not Found), 480 (Temporarily Unavailable), 486 (Busy Here) etc. |
| F16-F17 | ACK | AS returns acknowledge message ACK to called Callee. |
| F18 | INFO(MSML) | AS sends INFO to MRF, carries media session markup language MSML content indicating services logic among the message body body. Require MRF to caller Caller playing alert tones and/or video, notification call turkey and failure cause. |
|
|
200 OK(MSML) | MRF returns 200 OK response messages, and carries out above-mentioned media manipulation according to the indication of AS. |
| S2 | Call Failure Prompt | MRF is to caller Caller playing alert tones and/or video, notification call turkey and failure cause. |
| F20 | INFO(MSML) | AS sends INFO to MRF, carries media session markup language MSML content indicating services logic among the message body body. Require MRF that the video message that caller Caller recorded is just now sent among the mail box of called Callee as video mail. |
|
|
200 OK(MSML) | MRF returns 200 OK response messages, and carries out above-mentioned media manipulation according to the indication of AS. |
| S3 | Video Mail Creation | MRF sends to the video message that caller Caller recorded just now among the mail box of called Callee as video mail. |
| F22 | BYE | AS sends BYE message to MRF, requires MRF release corresponding to the session connection Dialog of caller Caller. |
|
|
200 OK | The MRF releasing session connects Dialog, returns 200 OK response messages. |
| F24-F25 | BYE | AS sends BYE message to caller Caller, requires Caller release corresponding to the session connection Dialog of MRF. |
|
F26- |
200 OK | Caller Caller releasing session connects Dialog, returns 200 OK response messages. |
Claims (6)
1, a kind of system based on IP Multimedia System realization pass check service of videophone, it is characterized in that: this system also comprises visual telephone pass VPP business platform, and this VPP business platform comprises following component units:
Application server AS is responsible for operation visual telephone pass VPP service logic, and controls the operation of media resource function server MRF according to service logic; By Session initiation protocol SIP message and service-call session control function server S-CSCF and the mutual control signal of MRF;
Media resource function server MRF, the recording and broadcast, the generation of video-mail Video Mail and the operation that collects the digits of broadcast, video messaging Video Message file that the providing and processing of media resource-comprise prompt tone and/or video are provided; IP based network is by media stream between realtime transmission protocol RTP and the calling and called;
Media Resource Server is used for medium and processes needed media file, comprises at least prompt tone and/or video file, video messaging Video Message file, video-mail Video Mail file; By transfer medium file between NFS NFS/ trivial file transfer protocol TFTP and the MRF;
Database server is used for preserving user's business datum and media resource information, and is provided with database access interface, visits and the Update Table storehouse by this interface for AS and the Web page;
The Portal of portal website for the user provides the access of WWW website, so that the user adopts Web mode access service platform, disposes the service attribute of oneself, and the media resource information of management oneself.
2, the system of realization pass check service of videophone according to claim 1 is characterized in that: the IP Multimedia System in the described system comprises following component units at least: service-call session control function server S-CSCF, Proxy-Call Session Control Function server P-CSCF, inquiry-CSCF server I-CSCF and home subscriber server HSS.
3, the system of realization pass check service of videophone according to claim 2, it is characterized in that: described IP Multimedia System adopts layered network architecture: its signaling network realizes calling out control based on Session Initiation Protocol, service operation is more than key-course, by sip message and service-call session control function server S-CSCF interactive service control signal; Be provided with open interface between key-course and the operation layer, allow operator to adopt this single IP Multimedia System as core net, the business based on SIP across mobile network and fixed network is provided.
4, the system of realization pass check service of videophone according to claim 1 is characterized in that: described pass check service of videophone VPP platform has following function:
Accept called subscriber's business application: professional to this business platform application and customization VPP by the called subscriber;
Process and call out: by IP Multimedia System equipment--service-call session control function server S-CSCF inquiry home subscriber server HSS, the calling of strange telephone number being initiated according to called business information is triggered to the VPP business platform; Business platform requires caller that the video authentication information is provided according to called service attribute and business setting, and plays the in advance multimedia audible ringing tone of customization to caller;
Exempt authentication: service-user arranges by web page registering service platform exempts the authentication list, when the telephone subscriber in this list makes a call to service-user as caller, need not carry out authentication; Behind web page registering service platform, the operation that service-user can increase, delete or revise this list;
Multimedia audible ringing tone: service-user arranges the Extraordinary multimedia audible ringing tone by Web page registering service platform, so that at called terminal ringing with check that in the caller video information process, business platform is play this multimedia audible ringing tone to caller;
Video-mail Video Mail message: in the time of can not answering the calling of caller owing to the cause specific service-user, the video information that business platform is recorded caller sends to as video-mail Video Mail among the mailbox Mail Box of service-user, signs in to Mail Box for the user and checks; Business platform then passes through the generation of note informing business user Video Mail.
Audio/video navigation: business platform by the playing alert tones prompting user record, button and other operation, or provide video navigation information by the displaying video content, make the mutual abundant, directly perceived of user's peace platform.
5, a kind of implementation method of the pass check service of videophone based on IP Multimedia System, it is characterized in that: as the business customizing user of called Callee when receiving the calling access request of caller Caller, require caller Caller to send video messaging file Video Message by business platform and indicate the identity of oneself, whether answer this calling by called Callee according to the Video Message Information Selection of caller Caller, thereby identification verification function is provided; Be in unreachable or during return busy tone, the Video Message that caller Caller records then sends among the mailbox Mail Box of called Callee as video-mail Video Mail at called Callee, check later on for called Callee.
6, the implementation method of pass check service of videophone according to claim 5 is characterized in that: described method comprises following operating procedure:
(1) caller Caller makes a call to called Callee, behind service-call session control function server S-CSCF inquiry home subscriber server HSS, calling is triggered to the application server AS of visual telephone pass VPP business platform according to the service attribute of this called Callee;
(2) AS at first controls caller Caller and Multimedia Resource Function server MRF carries out media negotiation, set up the connection of realtime transmission protocol RTP, and control MRF is to Caller playing alert tones and/or video, require Caller recorded video message file Video Message, to indicate own identity or as video message; After Caller finishes Video Message, finish its operation by any key;
(3) AS makes a call to called Callee, if Callee can reach and when idle, order is carried out subsequent operation; If Callee is unreachable, overtime, busy or during rejection, redirect execution in step (7);
(4) called Callee begins ring, and during the Callee ring, AS control MRF plays the audio or video file of Callee customization to caller Caller;
(5) called Callee off-hook is replied, and AS control Callee and MRF carry out media negotiation, sets up RTP and connects, and control the Video Message that MRF records to called Callee playing and calling Caller; After finishing, MRF playing alert tones and/or video, whether inquiry Callee is ready to answer the calling of Caller;
(6) called Callee responds by button: if Callee selects to answer, then AS control MRF discharges all session connection Dialog, and between Caller and Callee, set up RTP by reINVITE message and connect, realize the video calling Video Call between the calling and called, behind end of conversation, finish whole flow processs; If Callee selects rejection, then order is carried out subsequent operation;
(7) AS control MRF informs this call failure and failure cause to caller Caller playing alert tones and/or video;
(8) AS control MRF sends to the video messaging file Video Message that caller Caller records among the mailbox Mail Box of called Callee as video-mail Video Mail;
(9) AS control caller Caller and MRF discharge the session connection Dialog that has set up.
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