CN1801856A - System and method for realizing video color ring service - Google Patents
System and method for realizing video color ring service Download PDFInfo
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- CN1801856A CN1801856A CN 200410011697 CN200410011697A CN1801856A CN 1801856 A CN1801856 A CN 1801856A CN 200410011697 CN200410011697 CN 200410011697 CN 200410011697 A CN200410011697 A CN 200410011697A CN 1801856 A CN1801856 A CN 1801856A
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Abstract
Present invention provides system and method to realize video Coloring Ring Back Tone (CRBT) service. Utilizing said system, video Coloring Ring Back Tone (CRBT) service triggering unit triggering service, establishing multimedia ringing back tone service platform between dialing MSC and called MSC to proceed ability negotiation and coding decoding conversion if negotiation is passing then establishing talking connection between multimedia ringing back tone platform and dialing, multimedia ringing back tone platform playing pre - custom-built video Coloring Ring Back Tone (CRBT) to realize said service.
Description
Technical field
The invention belongs to the communication service technical field, relate in particular to a kind of system and method for realizing video color ring service.
Background technology
Ring Back Tone service be one by called subscriber customization, substitute the business of common ring-back tone for the calling subscriber provides one section melodious music, video clips or greeting.Current just the obtaining in the communications field of this business very used widely.After the user applies registration becomes the Ring Back Tone service user, can be by network, dial modes such as access code customized personal Comfort Noise Generation (CNG) voluntarily, when this Ring Back Tone service user is called out, system plays the personalized colorful ring-back tone of customization in advance according to conditions such as for example calling numbers for the calling subscriber, thereby replace traditional common ring-back tone, for the user provides personalized more bell sound service.
Ring Back Tone service has brought very big income for operator and content supplier, and by personalized ring back tone more colourful experience for the user has brought.But, Ring Back Tone service is current still only to be confined in the voice call field, extensive use gradually along with video telephone (VP) in the third generation wireless communication technique (3G), also need in the VP field of 3G, realize video color ring service, thereby for operator and content supplier provide a very value-added service of potentialization, and for VP user provides colourful individualized experience, yet, the current system and method for not realizing video color ring service.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of system and method for realizing video color ring service, to realize Ring Back Tone service in the VP field.
For achieving the above object, the invention provides a kind of system that realizes video color ring service, this system comprises: the attaching position register (HLR) at calling mobile exchanging center (MSC), called MS C, called subscriber place, video IAD (VIG), video color ring service trigger element and multimedia audible ringing tone platform, wherein:
The HLR at called subscriber place is used for increasing video color ring service triggering sign at video color ring service user's CAMEL-Subscription-Information, and receive that caller MSC initiates obtain the routing iinformation request after, from this called user subscription information, obtain video color ring service according to the called number in this request and trigger sign, will trigger the called subscriber's roaming number that indicates and obtained then and be handed down to the video color ring service trigger element from called MS C;
The video color ring service trigger element is used for triggering sign according to called subscriber's roaming number that receives and video color ring service, triggers video color ring service, sets up the route via VIG between caller MSC and called MS C;
VIG is used to realize that the ability to play between caller MSC and the multimedia audible ringing tone platform is consulted and necessary encoding and decoding conversion, if consult to pass through, then sets up the multimedia audible ringing tone platform and is connected with conversation between the calling subscriber;
The multimedia audible ringing tone platform is used for registration and store video CRBT, and according to preset rule by with the calling subscriber between conversation be connected to the calling subscriber and play corresponding video frequency color ring.
Wherein, described video color ring service trigger element is caller MSC.
Wherein, described video color ring service trigger element is called MS C.
Wherein, described video color ring service trigger element is the MSC of end office (EO).
Wherein, described system further comprises: Media Resource Server, this server are used to preserve the media playing resources as video frequency color ring, and this resource is offered described multimedia audible ringing tone platform.
Wherein, described multimedia audible ringing tone platform is APP Server.
Wherein, described Media Resource Server is supported the AMR voice encoding and decoding format, and/or supports H.263 and MPEG 4 coding and decoding video forms.
Wherein, described Media Resource Server is further supported H.324M agreement.
Wherein, described HLR is further used for judging whether the user of signatory video color ring service is the video telephone user, if, then allow this user to be registered as the video color ring service user, otherwise, this registration request from user refused.
Wherein, described VIG is internal or external among the described MSC.
The present invention also provides a kind of method that realizes video color ring service, and this method comprises:
Step a: after caller MSC receives calling subscriber's calling, send the routing iinformation request of obtaining to the HLR at called subscriber place according to this calling;
Step b: after called place HLR receives and obtains the routing iinformation request, obtain called subscriber's roaming number from called MS C, and from called user subscription information, obtain video color ring service according to the called number in this request and trigger sign, should trigger then and indicated and called subscriber's roaming number is handed down to the video color ring service trigger element;
Step c: the video color ring service trigger element triggers sign and called subscriber's roaming number according to the video color ring service of receiving, triggers video color ring service, by revising the called number of calling out, sets up the route via VIG between caller MSC and called MS C;
The ability to play that steps d: VIG carries out between caller MSC and the multimedia audible ringing tone platform is consulted, pass through if consult, then set up conversation by VIG between calling subscriber and multimedia audible ringing tone platform and connect, the multimedia audible ringing tone platform utilizes this conversation to connect to calling subscriber's telecasting video frequency color ring.
Wherein, before step a, this method further comprises:
The called subscriber sends the video color ring service register requirement to the HLR at called subscriber place, after this HLR receives this request, triggers sign by increase video color ring service in this called subscriber's CAMEL-Subscription-Information, and this user's registration is become the video color ring service user.
Wherein, after described HLR received the register requirement that the called subscriber sends, this method further comprises: HLR judged whether the called subscriber is the video telephone user, if, then carry out described this user is registered as video color ring service user's step, otherwise, this registration request from user refused.
Wherein, described video color ring service trigger element is caller MSC;
The routing iinformation request is obtained in the described transmission of step a: caller MSC sends SRI message to the HLR at called subscriber place; Wherein, comprise called number in this SRI message;
Step b comprises:
The HLR at called subscriber place sends PRN message to called MS C, obtain called subscriber's roaming number with request, after called MS C obtains called subscriber's roaming number, receive the response by PRN and this roaming number to be returned to the HLR at called subscriber place, with, the HLR at called subscriber place obtains video color ring service according to the called number in the SRI message and triggers sign from called user subscription information, should trigger to indicate and called subscriber's roaming number is receiveed the response by SRI and returned to caller MSC;
Step c comprises:
After caller MSC receives that video color ring service triggers sign, trigger video color ring service, the original called party number in calling out is revised as the form of VIG prefix+called subscriber's roaming number, then, according to amended called number, VIG is arrived in call proceeding by sending IAM message to VIG; VIG is revised as called subscriber's roaming number with the called number of calling out by VIG prefix+called subscriber's roaming number, then, according to amended roaming number, by sending IAM message to called MS C called MS C is arrived in call proceeding.
Wherein, described video color ring service trigger element is called MS C;
The routing iinformation request is obtained in the described transmission of step a: caller MSC sends SRI message to the HLR at called subscriber place; Wherein, comprise called number in this SRI message;
Step b comprises:
The HLR at called subscriber place sends PRN message to called MS C, obtain called subscriber's roaming number with request, after called MS C obtains called subscriber's roaming number, receive the response by PRN and this roaming number to be returned to the HLR at called subscriber place, with, the HLR at called subscriber place obtains video color ring service according to the called number in the SRI message and triggers sign from called user subscription information, should trigger to indicate and called subscriber's roaming number is receiveed the response by SRI and returned to caller MSC; Caller MSC triggers sign according to this and roaming number sends IAM message to called MS C;
Step c comprises:
Called MS C triggers video color ring service according to the sign of the CRBT in the user profile, original called party number in calling out is revised as the form of AIP prefix+called subscriber's roaming number, then, according to amended called number, VIG is arrived in call proceeding by sending IAM message to VIG; VIG is revised as called subscriber's roaming number with the called number of calling out by VIG prefix+called subscriber's roaming number, then, according to amended roaming number, by sending IAM message to called MS C called MS C is arrived in call proceeding.
Wherein, steps d comprises:
Steps d 1:VIG sends INVITE to the multimedia audible ringing tone platform, ability to play with acquisition request multimedia audible ringing tone platform, after the multimedia audible ringing tone platform is received this message, return 200OK message, the ability to play of multimedia audible ringing tone platform is returned to VIG by this message to VIG; With, caller MSC reports the ability to play of caller to VIG;
The ability to play that steps d 2:VIG reports according to caller MSC, and the ability to play that obtains from the multimedia audible ringing tone platform, carrying out the ability to play of caller and multimedia audible ringing tone platform consults, pass through if consult, then VIG sends ACK message to the multimedia audible ringing tone platform, connect to set up conversation between calling subscriber and multimedia audible ringing tone platform, the multimedia audible ringing tone platform utilizes this connection to the caller telecasting video frequency color ring.
Wherein, after the steps d, this method further comprises:
Step e: called subscriber's off-hook is replied, the conversation of removing between calling subscriber and the multimedia audible ringing tone platform connects, and VIG carries out caller and called capability negotiation, after consulting to pass through, set up caller and called between conversation connect, caller utilizes this conversation to be connected to converse with called.
Wherein, after described negotiation was passed through, this method further comprised:
Begin the calling subscriber is chargeed.
As seen, the present invention can realize video color ring service on the basis of visual telephone service, thereby for the user provides more colourful individualized experience, and for operator and content supplier provide a kind of business of having very much potentiality, thereby promote service quality, attract more user.
Description of drawings
Fig. 1 is a system block diagram of the present invention.
Fig. 2 is a flow chart of realizing video color ring service in one embodiment of the invention.
Fig. 3 is the signaling process figure of one embodiment of the invention.
Fig. 4 is a flow chart of realizing video color ring service in another embodiment of the present invention.
Fig. 5 is the signaling process figure of another embodiment of the present invention.
Embodiment
The present invention is a kind of system and method for realizing video color ring service, for make purpose of the present invention, technical scheme, and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in more detail.
At first, system and method provided by the present invention is carried out describe, in general terms:
System provided by the present invention comprises:
The attaching position register (HLR) at calling mobile exchanging center (MSC), called MS C, called subscriber place, video IAD (VIG), video color ring service trigger element and multimedia audible ringing tone platform, wherein:
The HLR at called subscriber place is used for increasing video color ring service triggering sign at video color ring service user's CAMEL-Subscription-Information, and receive that caller MSC initiates obtain the routing iinformation request after, from this called user subscription information, obtain video color ring service according to the called number in this request and trigger sign, will trigger the called subscriber's roaming number that indicates and obtained then and be handed down to the video color ring service trigger element from called MS C;
The video color ring service trigger element is used for triggering sign according to called subscriber's roaming number that receives and video color ring service, triggers video color ring service, sets up the route via VIG between caller MSC and called MS C;
VIG is used to realize that the ability to play between caller MSC and the multimedia audible ringing tone platform is consulted, if consult to pass through, then sets up the multimedia audible ringing tone platform and is connected with conversation between the calling subscriber;
The multimedia audible ringing tone platform is used for registration and store video CRBT, and according to preset rule by with the calling subscriber between conversation be connected to the calling subscriber and play corresponding video frequency color ring.
Method provided by the present invention comprises:
Step a: after caller MSC receives calling subscriber's calling, send the routing iinformation request of obtaining to the HLR at called subscriber place according to this calling;
Step b: after called place HLR receives and obtains the routing iinformation request, obtain called subscriber's roaming number from called MS C, and from called user subscription information, obtain video color ring service according to the called number in this request and trigger sign, should trigger then and indicated and called subscriber's roaming number is handed down to the video color ring service trigger element;
Step c: the video color ring service trigger element triggers sign and called subscriber's roaming number according to the video color ring service of receiving, triggers video color ring service, by revising the called number of calling out, sets up the route via VIG between caller MSC and called MS C;
The ability to play that steps d: VIG carries out between caller MSC and the multimedia audible ringing tone platform is consulted, pass through if consult, then the conversation of setting up between calling subscriber and multimedia audible ringing tone platform via VIG by VIG connects, and the multimedia audible ringing tone platform utilizes this conversation to connect to calling subscriber's telecasting video frequency color ring.
Wherein, before this method of execution, the called subscriber sends register requirement to the HLR at called subscriber place, request registration becomes the video color ring service user, after this HLR receives this request, trigger sign by in this called subscriber's CAMEL-Subscription-Information, increasing video color ring service, this user's registration is become the video color ring service user; Wherein, HLR can judge further also whether the called subscriber is the video telephone user after receiving the register requirement that the called subscriber sends, if, then this user is registered as the video color ring service user, otherwise, this registration request from user refused.
In the present invention, can adopt caller MSC and called MS C to realize video color ring service respectively, respectively at both of these case, describe the present invention below as the video color ring service trigger element:
(1) caller MSC is as the video color ring service trigger element:
Referring to Fig. 1, at caller MSC during as the video color ring service trigger element, the system of realization video color ring service provided by the present invention comprises: the attaching position register (HLR) at caller MSC, called MS C, called subscriber place, video IAD (VIG) and multimedia audible ringing tone platform, wherein:
Caller MSC: be used to receive calling subscriber's calling, according to HLR acquisition called subscriber roaming number and the video color ring service triggering sign of the called number in this calling from the called subscriber place, trigger sign triggering video color ring service according to this roaming number and video color ring service, will call out via VIG and be routed to called MS C;
The HLR at called subscriber place: be used for according to registration request from user, by in CAMEL-Subscription-Information, increasing video color ring service triggering sign this user's registration is become the video color ring service user, with, receive the calling subscriber obtain the routing iinformation request after, from called user subscription information, obtain video color ring service according to the called number in this solicited message and trigger sign, will indicate then and return to caller MSC from the called subscriber's of called MS C acquisition roaming number;
VIG is used to realize that the ability to play between caller MSC and the multimedia audible ringing tone platform is consulted, if consult to pass through, then sets up the multimedia audible ringing tone platform and is connected with conversation between the calling subscriber;
The multimedia audible ringing tone platform is used for registration and store video CRBT, and according to preset rule by with the calling subscriber between conversation be connected to the calling subscriber and play corresponding video frequency color ring.
Referring to Fig. 1, in the above system that provides, adopt APP Server and MRS to constitute together as the multimedia audible ringing tone platform, and, provide a Media Resource Server to link to each other with this APPServer, this MRS is used for the playing media resource, and APP Server is according to the video color ring service registration request from user, notice MRS selects corresponding resource as video frequency color ring, registers and be stored among the APPServer; H.263 or MPEG 4 wherein, because the voice encoding and decoding format of present most 3G terminal is AMR, the coding and decoding video form is for, and therefore, MRS must support this these code/decode formats, perhaps finishes encoding and decoding conversion by VIG; In other embodiment of the present invention, in order to reduce the protocol conversion process of VIG, MRS also can further support H.324M agreement;
Other is among the embodiment in the present invention, also can provide media playing resources for the multimedia audible ringing tone platform by the alternate manner of for example network etc., does not influence realization of the present invention;
Because only being arranged, the VP service-user of supporting video playback could realize the broadcast of video frequency color ring, therefore, in an embodiment of the present invention, HLR is further used for judging whether the user of signatory video color ring service is the VP service-user, if then this user's registration is become the video color ring service user, and in this user's CAMEL-Subscription-Information, preserves video color ring service and trigger sign, otherwise refusal becomes the video color ring service user with this user's registration;
Wherein, in embodiments of the present invention, VIG is external with respect to MSC, in order to realize conveniently in other embodiment of the present invention, also VIG can being built among the MSC, does not influence realization of the present invention;
In the present invention, the signaling that can adopt ISDN User Part, Session Initiation Protocol or Bearer Independent Call Control Protocol to provide, the Signalling exchange that is carried out between realization VIG and caller MSC, called MS C and the multimedia audible ringing tone platform, the protocol type of the signaling that adopts does not influence realization of the present invention.
More than be the description to system provided by the present invention, below in conjunction with accompanying drawing, to triggering under the situation of video color ring service at caller MSC, method provided by the present invention is described in detail:
Referring to Fig. 2, realize that the present invention needs following steps, wherein, in advance called subscriber's registration is become the video color ring service user, and increase video color ring service triggering sign in the CAMEL-Subscription-Information on the HLR at this called subscriber place:
Step 201: after caller MSC receives calling subscriber's calling, send the routing iinformation request of obtaining to the HLR at called subscriber place according to this calling;
Step 202: after called place HLR receives and obtains the routing iinformation request, obtain called subscriber's roaming number from called MS C, and from called user subscription information, obtain video color ring service according to the called number in this request and trigger sign, then, will trigger sign and called subscriber's roaming number and be handed down to caller MSC;
Step 203: caller MSC triggers sign and called subscriber's roaming number according to the video color ring service of receiving, triggers video color ring service, by revising the called number of calling out, will call out via VIG and be routed to called MS C;
The ability to play that step 204:VIG carries out between caller MSC and the multimedia audible ringing tone platform is consulted, pass through if consult, then the conversation of setting up between calling subscriber and multimedia audible ringing tone platform via VIG by VIG connects, and the multimedia audible ringing tone platform utilizes this conversation to connect to calling subscriber's telecasting video frequency color ring;
So far, realized Ring Back Tone service, referring to Fig. 2, in the practical communication process, this method also can further may further comprise the steps:
Step 205: called subscriber's off-hook is replied, called MS C reports called ability to play to VIG, VIG carries out the caller ability to play and called ability to play is consulted, after negotiation is passed through, the conversation of setting up between calling subscriber's travelling carriage and the called subscriber's travelling carriage connects, calling subscriber and called subscriber utilize this to be connected and realize video calling, and simultaneously, notice multimedia audible ringing tone platform stops telecasting video frequency color ring and delete the multimedia audible ringing tone platform being connected with conversation between the VIG.
Below in conjunction with concrete signaling, and with reference to Fig. 3, the specific implementation of above step is described in detail:
Step 301: calling subscriber's Mobile Origination is called out, and sends Setup message to caller MSC, and calling is sent to caller MSC;
Step 302: caller MSC sends SRI message according to the called number in calling out to the HLR at called subscriber place, obtains called subscriber's routing iinformation with request; Wherein, comprise called number in this SRI message;
Step 303～step 304: the HLR at called subscriber place sends PRN message to called MS C, obtain called subscriber's roaming number with request, after called MS C obtains called subscriber's roaming number, by PRN receive the response (PRN ACK) this roaming number is returned to the HLR at called subscriber place;
Step 305: the HLR at called subscriber place obtains video color ring service according to called number and triggers sign from called user subscription information, should trigger indicate and the resulting called subscriber's roaming number of step 304 by SRI receive the response (SRI ACK) return to caller MSC;
Step 306: after caller MSC receives that video color ring service triggers sign, trigger video color ring service, original called party number MSISDN in calling out is revised as the form of AIP prefix+called subscriber's roaming number, then, according to amended called number, VIG is arrived in call proceeding by sending IAM message to VIG;
Step 307:VIG is revised as called subscriber's roaming number with the called number of calling out by AIP prefix+called subscriber's roaming number, then, according to amended roaming number, by sending IAM message to called MS C called MS C is arrived in call proceeding;
Step 308～step 309: called MS C is by sending Setup message to called mobile station, paging is called, and paging is after called, and called mobile station is returned Call Confirm message to called MS C, with the current paging of notice called MS C to called;
Step 310～step 311: called MS C determine paging arrive called after, earlier send ACM message to VIG, after VIG receives this ACM message, give caller MSC with this ACM forwards;
Step 312: caller MSC sends CONNECT message to the caller travelling carriage, set up the speech channel between caller travelling carriage and the caller MSC, thereby form the speech channel via caller MSC and VIG between caller travelling carriage and called MS C, simultaneously, caller MSC reports the ability to play of caller to VIG;
After the ACM message that step 313～step 314:VIG receives in the step 310 to be sent, send INVITE to the multimedia audible ringing tone platform, ability to play with acquisition request multimedia audible ringing tone platform, after the multimedia audible ringing tone platform is received this message, return 200OK message to VIG, the ability to play of multimedia audible ringing tone platform is returned to VIG by this message; Wherein, step 312 and step 313 can be carried out simultaneously, do not influence realization of the present invention;
The ability to play that step 315:VIG reports according to caller MSC, and the ability to play that obtains from the multimedia audible ringing tone platform, carrying out the ability to play of calling subscriber and multimedia audible ringing tone platform consults, to judge whether multimedia audible ringing tone platform and caller all have the ability of telecasting video frequency color ring, pass through if consult, then execution in step 316, otherwise, stop this video color ring service flow process;
Step 316:VIG sends ACK message to the multimedia audible ringing tone platform, is connected with the conversation of setting up via caller MSC and VIG between calling subscriber and multimedia audible ringing tone platform, and the multimedia audible ringing tone platform utilizes this connection to the caller telecasting video frequency color ring;
Wherein, in step 316, can according to calling number or other predetermined conditions, select corresponding video frequency color ring for caller and play, do not influence realization of the present invention according to preestablishing;
Step 317: the called mobile station ring, and after carrying out the ring operation, return Alerting message to called MS C, current with notice called MS C called mobile station just in ring; Wherein, step 317 can be carried out the optional position between step 313 and step 316, does not influence realization of the present invention;
Step 318～step 319: called MS C sends CPG message via VIG to caller MSC; Wherein, this CPG message according to actual needs, also can suppress the transmission of this message for the message that the ISDN User Part regulation according to standard is sent, and does not influence realization of the present invention;
So far, realized video color ring service, in the practical communication process,, realized that video color ring service also can further comprise following flow process referring to Fig. 3:
Step 320: called subscriber's off-hook is replied, and this called subscriber's travelling carriage sends CONNECT message to called MS C, reports called subscriber's ability to play, and sets up called mobile station and be connected with conversation between the called MS C;
Step 321: called MS C sends ANM to VIG, by this message called subscriber's ability to play is reported VIG, and the conversation of setting up between called MS C and the VIG connects;
Calling subscriber's ability to play that called subscriber's ability to play that step 322:VIG basis is received and caller MSC are reported, carry out the capability negotiation between calling subscriber and the called subscriber, to judge whether calling subscriber and called subscriber all support video calling, if, then execution in step 323, otherwise, stop the video calling flow process;
Step 323:VIG transmits the ANM that receives to caller MSC, connect thereby be implemented in the conversation of setting up between called mobile station and the caller travelling carriage via called MS C, VIG and caller MSC, the calling subscriber utilizes this to be connected with the called subscriber and realizes video calling;
Step 324～step 325:VIG sends BYE message to the multimedia audible ringing tone platform, be connected with conversation between the VIG to remove this platform, the multimedia audible ringing tone platform stops telecasting video frequency color ring after receiving this message, and return 200OK message to VIG, remove the conversation successful connection with notice VIG.
Wherein, step 324～step 325 also can be carried out the optional position after step 320, does not influence realization of the present invention.
Wherein, in above step 312, caller MSC is after the caller travelling carriage sends CONNECT message, do not begin the calling subscriber is chargeed, but in step 323, after caller MSC receives the ANM that the called subscriber sends, just begin the calling subscriber is chargeed, thereby make in the telecasting video frequency color ring process, the calling subscriber is not carried out mistake and charge, bring economically loss owing to charge inaccurate to the user to avoid.
The above realizes the specific descriptions of video color ring service during as the video color ring service trigger element for caller MSC, and below to called MS C during as the video color ring service trigger element, system and method provided by the present invention is described in detail.
(2) called MS C is as the video color ring service trigger element:
Referring to Fig. 1, trigger at called MS C under the situation of video color ring service, it is identical that the system that is provided under the video color ring service situation is provided for system provided by the present invention and caller MSC, comprise equally: HLR, the VIG at caller MSC, called MS C, called subscriber place and multimedia audible ringing tone platform, difference only is:
Caller MSC: be used to receive calling subscriber's calling, the HLR from the called subscriber place obtains called subscriber's roaming number and video color ring service triggering sign and sends to called MS C according to the called number in this calling;
Called MS C: be used for triggering sign, trigger video color ring service, between caller MSC and called MS C, set up route via VIG according to called subscriber's roaming number that receives and video color ring service;
The function of the remainder in this system and mutual annexation, described function is identical with annexation when triggering Ring Back Tone service with caller MSC as mentioned above, no longer is repeated in this description at this.
More than be description, realize flow chart of the present invention when Figure 4 shows that called MS C as the video color ring service trigger element to system provided by the present invention, comparison diagram 2, the difference of this flow process and flow process shown in Figure 2 only is:
In step 403, after caller MSC receives video color ring service triggering sign and called subscriber's roaming number, do not trigger video color ring service, but send IAM message to called MS C according to this triggering sign and roaming number, called MS C identifies according to the CRBT in the user profile, trigger video color ring service,, will call out via VIG and be routed to called MS C by revising called number;
All the other steps are identical with step shown in Figure 2.
Figure 5 shows that the concrete signaling process figure that adopts ISDN User Part to realize step shown in Figure 4, contrast signaling process figure shown in Figure 3, the difference of this signaling process only is:
In step 505, caller MSC is behind HLR acquisition called subscriber's roaming number and video color ring service triggering sign at called subscriber place, caller MSC does not trigger video color ring service, but this roaming number and the video color ring service sign that sets out is sent to called MS C by IAM message, called MS C triggers sign triggering video color ring service according to this roaming number and video color ring service, called number in calling out is revised as AIP prefix+called subscriber's roaming number, thereby route the call to VIG, VIG is again according to the called subscriber's roaming number in the called number, to call out and be routed to called MS C again, all the other steps are identical with step shown in Figure 3.
The above is for caller MSC and called MS C during respectively as the video color ring service trigger element, realize system and method for the present invention, in other embodiment of the present invention, for example also can adopt the network equipment such as MSC of end office (EO) as the video color ring service trigger element, in the case, the HLR at called subscriber place indicates the network equipment that is handed down to as the video color ring service trigger element with called subscriber's roaming number and video color ring service triggering, this network equipment triggers sign and called subscriber's roaming number according to this, called number in calling out is revised as AIP prefix+called subscriber's roaming number, thereby will call out via VIG and be routed to called MS C, thereby the triggering of realization video color ring service; All the other flow processs and the aforesaid flow process that realize video color ring service are similar, no longer are described in detail at this.
The above concrete signaling process, the signaling process that is adopted when only adopting ISDN User Part for the present invention in other embodiment of the present invention, for example can adopt also that agreement such as SIP, BICC realizes method provided by the present invention, does not influence realization of the present invention.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (18)
1, a kind of system that realizes video color ring service, it is characterized in that, this system comprises: the attaching position register (HLR) at calling mobile exchanging center (MSC), called MS C, called subscriber place, video IAD (VIG), video color ring service trigger element and multimedia audible ringing tone platform, wherein:
The HLR at called subscriber place is used for increasing video color ring service triggering sign at video color ring service user's CAMEL-Subscription-Information, and receive that caller MSC initiates obtain the routing iinformation request after, from this called user subscription information, obtain video color ring service according to the called number in this request and trigger sign, will trigger the called subscriber's roaming number that indicates and obtained then and be handed down to the video color ring service trigger element from called MS C;
The video color ring service trigger element is used for triggering sign according to called subscriber's roaming number that receives and video color ring service, triggers video color ring service, sets up the route via VIG between caller MSC and called MS C;
VIG is used to realize that the ability to play between caller MSC and the multimedia audible ringing tone platform is consulted and necessary encoding and decoding conversion, if consult to pass through, then sets up the multimedia audible ringing tone platform and is connected with conversation between the calling subscriber;
The multimedia audible ringing tone platform is used for registration and store video CRBT, and according to preset rule by with the calling subscriber between conversation be connected to the calling subscriber and play corresponding video frequency color ring.
2, system according to claim 1 is characterized in that, described video color ring service trigger element is caller MSC.
3, system according to claim 1 is characterized in that, described video color ring service trigger element is called MS C.
4, system according to claim 1 is characterized in that, described video color ring service trigger element is the MSC of end office (EO).
5, system according to claim 1 is characterized in that, described system further comprises: Media Resource Server, this server are used to preserve the media playing resources as video frequency color ring, and this resource is offered described multimedia audible ringing tone platform.
6, system according to claim 1 or 5 is characterized in that described multimedia audible ringing tone platform is APP Server.
7, system according to claim 5 is characterized in that, described Media Resource Server is supported the AMR voice encoding and decoding format, and/or supports H.263 and MPEG 4 coding and decoding video forms.
8, system according to claim 5 is characterized in that, described Media Resource Server is further supported H.324M agreement.
9, system according to claim 1 is characterized in that, described HLR is further used for judging whether the user of signatory video color ring service is the video telephone user, if, then allow this user to be registered as the video color ring service user, otherwise, this registration request from user refused.
10, system according to claim 1 is characterized in that, described VIG is internal or external among the described MSC.
11, a kind of method that realizes video color ring service is characterized in that, this method comprises:
Step a: after caller MSC receives calling subscriber's calling, send the routing iinformation request of obtaining to the HLR at called subscriber place according to this calling;
Step b: after called place HLR receives and obtains the routing iinformation request, obtain called subscriber's roaming number from called MS C, and from called user subscription information, obtain video color ring service according to the called number in this request and trigger sign, should trigger then and indicated and called subscriber's roaming number is handed down to the video color ring service trigger element;
Step c: the video color ring service trigger element triggers sign and called subscriber's roaming number according to the video color ring service of receiving, triggers video color ring service, by revising the called number of calling out, sets up the route via VIG between caller MSC and called MS C;
The ability to play that steps d: VIG carries out between caller MSC and the multimedia audible ringing tone platform is consulted, pass through if consult, then set up conversation by VIG between calling subscriber and multimedia audible ringing tone platform and connect, the multimedia audible ringing tone platform utilizes this conversation to connect to calling subscriber's telecasting video frequency color ring.
12, method according to claim 11 is characterized in that, before step a, this method further comprises:
The called subscriber sends the video color ring service register requirement to the HLR at called subscriber place, after this HLR receives this request, triggers sign by increase video color ring service in this called subscriber's CAMEL-Subscription-Information, and this user's registration is become the video color ring service user.
13, method according to claim 12, it is characterized in that, after described HLR receives the register requirement that the called subscriber sends, this method further comprises: HLR judges whether the called subscriber is the video telephone user, if, then carry out described this user is registered as video color ring service user's step, otherwise, this registration request from user refused.
14, method according to claim 11 is characterized in that, described video color ring service trigger element is caller MSC;
The routing iinformation request is obtained in the described transmission of step a: caller MSC sends SRI message to the HLR at called subscriber place; Wherein, comprise called number in this SRI message;
Step b comprises:
The HLR at called subscriber place sends PRN message to called MS C, obtain called subscriber's roaming number with request, after called MS C obtains called subscriber's roaming number, receive the response by PRN and this roaming number to be returned to the HLR at called subscriber place, with, the HLR at called subscriber place obtains video color ring service according to the called number in the SRI message and triggers sign from called user subscription information, should trigger to indicate and called subscriber's roaming number is receiveed the response by SRI and returned to caller MSC;
Step c comprises:
After caller MSC receives that video color ring service triggers sign, trigger video color ring service, the original called party number in calling out is revised as the form of VIG prefix+called subscriber's roaming number, then, according to amended called number, VIG is arrived in call proceeding by sending IAM message to VIG; VIG is revised as called subscriber's roaming number with the called number of calling out by VIG prefix+called subscriber's roaming number, then, according to amended roaming number, by sending IAM message to called MS C called MS C is arrived in call proceeding.
15, method according to claim 11 is characterized in that, described video color ring service trigger element is called MS C;
The routing iinformation request is obtained in the described transmission of step a: caller MSC sends SRI message to the HLR at called subscriber place; Wherein, comprise called number in this SRI message;
Step b comprises:
The HLR at called subscriber place sends PRN message to called MS C, obtain called subscriber's roaming number with request, after called MS C obtains called subscriber's roaming number, receive the response by PRN and this roaming number to be returned to the HLR at called subscriber place, with, the HLR at called subscriber place obtains video color ring service according to the called number in the SRI message and triggers sign from called user subscription information, should trigger to indicate and called subscriber's roaming number is receiveed the response by SRI and returned to caller MSC; Caller MSC triggers sign according to this and roaming number sends IAM message to called MS C;
Step c comprises:
Called MS C triggers video color ring service according to the sign of the CRBT in the user profile, original called party number in calling out is revised as the form of AIP prefix+called subscriber's roaming number, then, according to amended called number, VIG is arrived in call proceeding by sending IAM message to VIG; VIG is revised as called subscriber's roaming number with the called number of calling out by VIG prefix+called subscriber's roaming number, then, according to amended roaming number, by sending IAM message to called MS C called MS C is arrived in call proceeding.
16, method according to claim 11 is characterized in that, steps d comprises:
Steps d 1:VIG sends INVITE to the multimedia audible ringing tone platform, ability to play with acquisition request multimedia audible ringing tone platform, after the multimedia audible ringing tone platform is received this message, return 200OK message, the ability to play of multimedia audible ringing tone platform is returned to VIG by this message to VIG; With, caller MSC reports the ability to play of caller to VIG;
The ability to play that steps d 2:VIG reports according to caller MSC, and the ability to play that obtains from the multimedia audible ringing tone platform, carrying out the ability to play of caller and multimedia audible ringing tone platform consults, pass through if consult, then VIG sends ACK message to the multimedia audible ringing tone platform, connect to set up conversation between calling subscriber and multimedia audible ringing tone platform, the multimedia audible ringing tone platform utilizes this connection to the caller telecasting video frequency color ring.
17, method according to claim 11 is characterized in that, after the steps d, this method further comprises:
Step e: called subscriber's off-hook is replied, the conversation of removing between calling subscriber and the multimedia audible ringing tone platform connects, and VIG carries out caller and called capability negotiation, after consulting to pass through, set up caller and called between conversation connect, caller utilizes this conversation to be connected to converse with called.
18, method according to claim 17 is characterized in that, after described negotiation was passed through, this method further comprised:
Begin the calling subscriber is chargeed.
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| CNB2004100116979A CN100484172C (en) | 2004-12-31 | 2004-12-31 | System and method for realizing video color ring service |
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| CNB2004100116979A CN100484172C (en) | 2004-12-31 | 2004-12-31 | System and method for realizing video color ring service |
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