CN101491069B - Method and system for realizing colorful ring back tone service in 3gpp network - Google Patents
Method and system for realizing colorful ring back tone service in 3gpp network Download PDFInfo
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- CN101491069B CN101491069B CN2006800553709A CN200680055370A CN101491069B CN 101491069 B CN101491069 B CN 101491069B CN 2006800553709 A CN2006800553709 A CN 2006800553709A CN 200680055370 A CN200680055370 A CN 200680055370A CN 101491069 B CN101491069 B CN 101491069B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/006—Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer
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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
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Abstract
A method and a system for realizing colorful ring back tone service in 3GPP network, comprise: the subscribed data about the user of the colorful ring back tone service is set in HSS or HLR about the user of the colorful ring back tone service (S102); the calling terminal makes a call to the user of the colorful ring back tone service acted as called user, the MSC actives the colorful RBT driving service through the SCP and connects the call to the called terminal (S104); the SCP obtains that the called terminal is in idle state through the MSC and indicates the MSC to establish the voice link to the colorful ring back tone service center, and the colorful ring back tone service center begins to play the ring back tone (S106); the SCP obtains that the state of the called terminal is changed through the MSC and indicates the MSC to disconnect the voice link with the colorful ring back tone service center, then the voice communication between the calling user and the called user is made or finished (S108). The subscribed data can include service key, address of the SCP, and T-CSI or VT-CSI flag. By adopting the enhanced subscribing method in the present invention, the compatible with the originally service activity is kept and the problem of the voice link promixity is settled.
Description
Technical field
The present invention relates to the Ring Back Tone service of wireless communication system, relate in particular to a kind of Ring Back Tone service implementation method and system of the 3GPP of being used for network.
Background technology
Ring Back Tone service (personalized ring back tone service) refers to allow caller listen the CRBT sound when the called subscriber is idle, because its individualized feature significantly, obviously strengthens auditory perception, has obtained well carrying out in China and even East Asia telecommunication market.The networking of diverse network at present presents variation, and mobile switching centre's ability of each equipment producer also has nothing in common with each other, so media ring function need provide in conjunction with concrete networking, mobile switching centre's ability.
In the existing 2G technology, mainly contain two kinds of modes that realize Ring Back Tone service.A kind of is at mobile switching centre/HLR (Home Location Register, attaching position register) increases " Ring Back Tone service " UAD in, mobile switching centre increases following function: the speech channel of setting up the coloring ring back tone playing sound to the Ring Back Tone service center according to user's polyphonic service data when terminal called is idle, the CRBT sound that the Ring Back Tone service center is play sends caller to, when the terminal called state variation was busy (as off-hook, overtime no response or the like), mobile switching centre was disconnected to the speech channel at Ring Back Tone service center again.
This mode requires mobile switching centre/HLR to make bigger modification, need to change user's operational data structure, change call flows, still do not have relevant standard criterion at present, the transformation cycle is long in the actual engineering, the equipment producer that relates to is many, thereby causes long in time limit.
Another kind is to use MSC (Mobile service Switching Center, mobile services switching centre)/service contracting/professional trigger of HLR is (as at the signatory T-CSI of GSM, sign INITIAL_TERMINATION at cdma network, CALLED_ROUTING_ADDRESS_AVAILABLE trigger or the like), the user who needs is opened Ring Back Tone service is provided with service contracting/professional flip-flop data, when the calling that takes place terminal called, mobile switching centre's triggering intelligent network service logic, mobile switching centre is called to the Ring Back Tone service center by the intelligent network service logical indication, finally by Ring Back Tone service center complete connection terminal called, the coloring ring back tone playing sound.
Then there be " alternative channel " in this mode, not only wants the speech channel relay resource outside the occupying volume in communication process, and depends on the stability at Ring Back Tone service center.Another one user can only have a service contracting/trigger, also has conflicting of Ring Back Tone service and other intelligent network business.
3GPP (the 3rd Generation Partnership Project, the 3rd generation (communication) partner plan) codes and standards of network provide new technology can be used to realize value-added service, therefore need a kind of method of the realization Ring Back Tone service at the 3GPP codes and standards.
Summary of the invention
The system that main purpose of the present invention is to provide a kind of Ring Back Tone service implementation method of the 3GPP of being used for network and is used for the realization Ring Back Tone service of 3GPP network, by adopting the contracting method that strengthens, both keep the compatibility with original professional triggering mode, and solved the alternative channel problem.
To achieve these goals, according to a first aspect of the invention, the invention provides a kind of Ring Back Tone service implementation method of the 3GPP of being used for network.The Ring Back Tone service implementation method may further comprise the steps:
Step S102 is provided for Ring Back Tone service user's subscription data on Ring Back Tone service user's HSS (Home SubscriberServer, home service client server) or HLR;
Step S104, calling terminal is called out the Ring Back Tone service user as the called subscriber, and MSC triggers the CRBT guide service by SCP (Service Control Point, service control point), and replay call is to terminal called;
Step S106, SCP learns that by MSC terminal called is in idle condition, and instruct MS C establishes a call to the Ring Back Tone service center, and the Ring Back Tone service center begins the coloring ring back tone playing sound; And
Step S108, SCP learns that by MSC the idle condition of terminal called changes, instruct MS C is disconnected to the speech channel at Ring Back Tone service center, calling subscriber and called subscriber's conversation or end of calling.
Subscription data can comprise service key, SCP address and signing type sign.
If signing type is T-CSI (Terminating CAMEL SubscriptionInformation, exhale CAMEL (Customized Applications for Mobilenetwork Enhanced Logic eventually, mobile network's customization is used and is strengthened logic) CAMEL-Subscription-Information), then MSC can exhale MSC or GMSC (Gateway MSC, Gateway MSC) for the beginning.Among the step S104, the step that MSC triggers the CRBT guide service on the SCP can comprise: the beginning is triggered the CRBT guide service on the SCP after exhaling MSC or GMSC to obtain subscription data from HSS or HLR; The MSC replay call comprises that to the step of terminal called the beginning exhales MSC or the GMSC elder generation replay call roaming MSC to terminal called, and replay call is to terminal called then.Among step S106 and the step S108, SCP learns that by MSC the step of terminal called state can comprise: after MSC received the message of being returned by roaming MSC, reporting message was given SCP.
If signing type is VT-CSI (VMSC Terminating CAMELSubscription Information exhales CAMEL Subscription Information the end of visit ground MSC), then MSC can be visit ground MSC.Among the step S104, the step that MSC triggers the CRBT guide service on the SCP can comprise: call out and arrive visit ground MSC, visit ground MSC triggers the CRBT guide service on the SCP.Among step S106 and the step S108, SCP learns that by MSC the step of terminal called state can comprise: after MSC received the message of being returned by wireless network, reporting message was given SCP.
Among the step S106, MSC establishes a call to after the Ring Back Tone service center, and SCP instruct MS C separates called end from call leg 1, and the calling terminal to the Ring Back Tone service center is moved into call leg 1, the Ring Back Tone service center begins the coloring ring back tone playing sound, and the calling subscriber hears the CRBT sound; Among the step S108, after MSC is disconnected to the speech channel at Ring Back Tone service center, called end is moved into call leg 1, calling subscriber and called subscriber's conversation or end of calling, Ring Back Tone service finishes.
Among the step S106,, then do not have response parameter and decide call release, perhaps continue replay call to roaming MSC by the SCP of called subscriber in the intelligent network business parameter of this locality definition if MSC can not receive the indication of SCP.
The Ring Back Tone service center can comprise ip intelligent peripherals/Service Switching Point functional module, can handle the Incoming speech channel and call out, and plays corresponding CRBT sound according to the incoming call signaling.
To achieve these goals, according to a second aspect of the invention, the invention provides a kind of system of realization Ring Back Tone service of the 3GPP of being used for network.The system that realizes Ring Back Tone service comprises: HSS or HLR are used to store Ring Back Tone service user's subscription data; MSC is used to trigger the CRBT guide service, receives and reporting message, sets up and the disconnection calling; SCP is used to carry out CRBT guide service logic, receives the message that MSC reports, and instruct MS C continues and sets up calling; And the Ring Back Tone service center, comprise IP/SSP (Intelligent Peripheral/Service Switch Point, ip intelligent peripherals/Service Switching Point), also may comprise the SCP equipment of oneself, the Ring Back Tone service center is used for the coloring ring back tone playing sound.
When calling terminal is called out the Ring Back Tone service user, MSC triggers the CRBT guide service on the SCP, replay call is to terminal called, if terminal called is in idle condition, then SCP instruct MS C establishes a call to the Ring Back Tone service center, and the Ring Back Tone service center begins the coloring ring back tone playing sound, if the idle condition of terminal called changes, then SCP instruct MS C is disconnected to the speech channel at Ring Back Tone service center, calling subscriber and called subscriber's conversation or end of calling.
Subscription data can comprise service key, SCP address and signing type sign.If signing type is T-CSI, then MSC can exhale MSC or GMSC for the beginning.If signing type is VT-CSI, then MSC can be visit ground MSC.
Agreement between SCP and the MSC can be CAP4.Agreement between HSS or HLR and the MSC can be MAP (Mobile Application Part, MAP).Can comprise between IP/SSP and the MSC that signalling system No.7 is connected with the speech channel relaying is connected.
By technique scheme, the present invention has realized following technique effect.The method of the realization Ring Back Tone service that the present invention proposes has been brought into play the function of 3GPP CAP (CAMELApplication Part, CAMEL Application Part) agreement effectively, need not MSC, GMSC, SCP makes any modification.By above-mentioned method, can realize Ring Back Tone service by standard compliant intelligent network software development, open Ring Back Tone service for 3GPP network C S (CircuitSwitching, circuit switching) territory a kind of simple method is provided.Simultaneously, alternative channel has been avoided in the call proceeding between the calling and called, conversation and without the Ring Back Tone service center
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to Ring Back Tone service implementation method of the present invention;
Fig. 2 is the 3GPP networking communication system figure according to the embodiment of the invention; And
Fig. 3 is the signaling process schematic diagram according to the embodiment of the invention.
Embodiment
Describe the present invention below with reference to the accompanying drawings in detail.
With reference to figure 1, may further comprise the steps according to the Ring Back Tone service implementation method of the 3GPP of being used for network of the present invention:
Step S102 is provided for Ring Back Tone service user's subscription data on Ring Back Tone service user's HSS or HLR, subscription data can comprise service key, SCP address and signing type sign, and signing type can be T-CSI or VT-CSI;
Step S104, calling terminal call out the Ring Back Tone service user as the called subscriber, and MSC triggers the CRBT guide service on the SCP, and according to the indication replay call of SCP to terminal called;
Step S106, SCP learns that by MSC terminal called is in idle condition, and instruct MS C establishes a call to the Ring Back Tone service center, and the Ring Back Tone service center begins the coloring ring back tone playing sound; And
Step S108, SCP learns that by MSC the idle condition of terminal called changes, instruct MS C is disconnected to the speech channel at Ring Back Tone service center, calling subscriber and called subscriber's conversation or end of calling.
The technical problem to be solved in the present invention is by realize Ring Back Tone service in signatory mode in the 3GPP network, open Ring Back Tone service in 3GPP network C S territory, and do not have alternative channel simplely.
Fig. 2 is the network diagram that Ring Back Tone service is realized in 3GPP network C S territory, pointed out apparatus of the present invention: by equipment of Service Control Point of intelligent network SCP, compositions such as Ring Back Tone service center C RBT (Color Ring Back Tone) (comprise IP/SSP, also may comprise SCP), MSC Server or GMSC, HSS, wireless network, signalling system No.7 network.
Among Fig. 2, SCP, Ring Back Tone service center on hardware (SCP) closes the equipment of establishing, and represented among the figure then is the situation that equipment separates.Do not illustrate in addition that below SCP is meant the SCP of triggering intelligent network service-CRBT guide service, rather than is used to control the SCP of IP playback in the Ring Back Tone service in the heart.Being connected between the SCP at Ring Back Tone service center and the IP/SSP be used for the business transferring trigger message, voice messaging etc. is play in indication, agreement between the two is INAP (Intelligent Network ApplicationPart, an intelligent network application part).Be used for business transferring trigger message, instruct MS C Server/GMSC replay call being connected between SCP and the MSC Server/GMSC, set up and call out etc., agreement between the two is CAP4.Be connected with signalling system No.7 between MSC Server/GMSC and the IP/SSP, under the GMSC situation with IP/SSP between the speech channel relaying that also has be connected, under the MSC Server situation, MGW (Media Gateway, media gateway) with between the IP/SSP have the speech channel relaying to be connected, an important function of the speech channel relaying here is exactly a voice-bearer.Stored the service contracting data of service-user on the HSS/HLR, and the interface protocol between the MSC Server/GMSC is MAP.
Among the present invention, on SCP, loaded a cover business module: the CRBT guide service, this business module is deferred to the CAP4 standard, except being used for replay call, also be used to be established to the bell sound speech channel at Ring Back Tone service center, so that Ring Back Tone service center coloring ring back tone playing sound is given the calling subscriber.
In order to solve the problems of the technologies described above, the invention provides a kind of method that in the 3GPP network, realizes Ring Back Tone service, may further comprise the steps:
Step 1 to color ring user, is its signatory Ring Back Tone service on attaching position register HLR, and subscription data comprises service key, SCP address, T-CSI or VT-CSI sign;
When signatory VT-CSI situation, after visit ground MSC receives that indication terminal called that wireless network returns is in the message of idle condition, reporting message is given SCP, CRBT guide service on SCP indication visit ground MSC sets up speech channel and calls out (in the Ring Back Tone service in the heart) IP/SSP, the CRBT guide service indication visit ground MSC that connects on the SCP of back separates called end from call leg 1, and being moved into call leg 1 to the calling terminal of IP/SSP, the Ring Back Tone service center begins the coloring ring back tone playing sound; The CRBT sound is heard in caller this moment;
Step 4, after beginning to exhale MSC or GMSC to receive the message of the indication terminal called idle condition change that roaming MSC returns, reporting message is given SCP, the CRBT guide service indication beginning on the SCP exhales MSC or GMSC to be disconnected to the speech channel at Ring Back Tone service center, and called end is moved into call leg 1, caller incoming call or end of calling, this moment, Ring Back Tone service finished;
When signatory VT-CSI situation, after visit ground MSC receives the message of the indication terminal called idle condition change that wireless network returns, reporting message is given SCP, CRBT guide service indication visit ground MSC on the SCP is disconnected to the speech channel at Ring Back Tone service center, and called end is moved into call leg 1, caller incoming call or end of calling, this moment, Ring Back Tone service finished.
Further, said method also can have following characteristics: when contracting the CRBT guide service on HLR, both can be that T-CSI is signatory, also can be that VT-CSI is signatory, can select the signing type of not conflicting with other intelligent network business.
Further, said method also can have following characteristics: if step 3 begins to exhale MSC or GMSC or visit ground MSC to can not receive the indication of SCP, then do not decide call release, perhaps continue replay call to roaming MSC by " service control point has response " of user in the intelligent network business parameter of this locality definition.
Further, said method also can have following characteristics: the Ring Back Tone service center comprises ip intelligent peripherals/Service Switching Point function, can handle the Incoming speech channel and call out, and promptly plays corresponding CRBT sound according to the incoming call signaling.
As from the foregoing, the method for the realization Ring Back Tone service that the present invention proposes has been brought into play the function of 3GPP CAMEL Application Part effectively, need not MSC, GMSC, SCP makes any modification.By above-mentioned method, can realize Ring Back Tone service by standard compliant intelligent network software development, open Ring Back Tone service for 3GPP network C S territory a kind of simple method is provided.Simultaneously, alternative channel has been avoided in the call proceeding between the calling and called, conversation and without the Ring Back Tone service center.
Fig. 3 shows the signaling process that bell sound process is play at present embodiment Ring Back Tone service center.
Step 10, called phone is dialed in caller, call request IAM message arrives MSCServer or GMSC or visit ground MSC, MSC Server or GMSC or visit ground MSC begin to start called flow, the T-CSI situation if the user contracts, then MSC Server or GMSC send SRI message to HLR request called subscriber data, if the signatory VT-CSI situation of user is then changeed step 30;
Step 20, HLR responds SRI_ACK message, comprises called subscriber's service contracting data in the message, as signing type (T-CSI), service key, SCP address;
Step 30, MSC Server or GMSC or visit ground MSC send IDP message to intelligent network SCP according to called subscriber's service contracting data, trigger the intelligent network business on the SCP;
Step 40, intelligent network business on the intelligent network SCP-CRBT guide service logic is triggered, service logic is to MSC Server or GMSC or visit ground MSC transmission RRBE message, and the DP of registration comprises O_Term_Seized, T_Answer at least, and corresponding leg is 2.
Step 50, SCP sends CONTINUE message to MSC Server or GMSC or visit ground MSC, instruct MS C Server or GMSC or visit ground MSC switching called terminal;
Step 60, if the signatory T-CSI situation of user, then MSC Server or GMSC send the roaming number of SRI message to HLR request terminal called, indication HLR suppresses T-CSI in the SRI request message; The VT-CSI situation if the user contracts, then visit ground MSC changes step 90 by the wireless network switching called terminal;
Step 70, HLR responds SRI_ACK message, comprises the roaming number MSRN of terminal called in the message;
Step 80, MSC Server or GMSC use the roaming number switching called terminal of terminal called: the transmission called number arrives roaming MSC as the IAM of roaming number;
Step 90, dialed terminal bell, MSC Server or GMSC or visit ground MSC receive the dialed terminal bell index signal, report ERB message to SCP, and DP is O_Term_Serized in the message, and leg is 2;
Step 100, SCP sends ICA (Initaite Call Attempt, starting call attempt) message is to MSC Server or GMSC or visit ground MSC, called number in the ICA message comprises the number at Ring Back Tone service center, for example called number is: Ring Back Tone service central number (prefix)+called number, and the legID of this called distribution is 3;
Step 110, MSC Server or GMSC or visit ground MSC are ready to set up new the calling in current C SA (Call Segment Association, call leg links), to SCP response IC A_ACK;
Step 120, SCP is to MSC Server or GMSC or visit ground MSC transmission RRBE message, and the DP of registration comprises O_Answer at least, and corresponding leg is 3;
Step 130, SCP is to MSC Server or GMSC or visit ground MSC transmission CWA (Continue With Argument, the continuation of band parameter) message, and the leg parameter in the message is 3;
Step 140, MSC Server or GMSC or visit ground MSC set up new the calling: send IAM message to the Ring Back Tone service center (IP/SSP);
Step 150, Ring Back Tone service center response ACM message is to MSC Server or GMSC or visit ground MSC;
Step 160, Ring Back Tone service center send ANM to MSC Server or GMSC or visit ground MSC;
Step 170, MSC Server or GMSC or visit ground MSC report ERB message to SCP, and DP is O_Answer in the message, and leg is 3;
Step 180, SCP is to MSC Server or GMSC or visit ground MSC transmission SplitLeg message, and leg is 2;
Step 190, SCP is to MSC Server or GMSC or visit ground MSC transmission MoveLeg message, and leg is 3;
Step 200, Ring Back Tone service center coloring ring back tone playing sound, the CRBT sound is exhaled in caller;
Step 210, MSC Server or GMSC or visit ground MSC report ERB message to SCP, and DP is O_Answer in the message, and leg is 2;
Step 220, SCP is to MSC Server or GMSC or visit ground MSC transmission DisconnectLeg message, and leg is 3;
Step 230, MSC Server or GMSC or visit ground MSC call release: send REL message to the Ring Back Tone service center (IP/SSP);
Step 240, Ring Back Tone service main response RLC message is to MSC Server or GMSC or visit ground MSC;
Step 250, SCP is to MSC Server or GMSC or visit ground MSC transmission MoveLeg message, and leg is 2;
Step 260, MSC Server or GMSC or visit ground MSC connect caller, called speech channel, the caller incoming call, Ring Back Tone service finishes.
The codes and standards of 3GPP network provide new technology to be used for realizing professional, adopt the contracting method that strengthens, and have both kept the compatibility with original professional triggering mode, have also solved the alternative channel problem.The present invention has realized Ring Back Tone service with regard to being to use the technology in the 3GPP codes and standards.The foregoing description, switching network situation are applicable to 3GPP network C S territory.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (18)
1. a Ring Back Tone service implementation method that is used for the 3GPP network is characterized in that, may further comprise the steps:
Step S102 is provided for described Ring Back Tone service user's subscription data on Ring Back Tone service user's home service client server or attaching position register;
Step S104, calling terminal is called out the described Ring Back Tone service user as the called subscriber, and mobile switching centre triggers the CRBT guide service by service control point, and replay call is to terminal called;
Step S106, described service control point learns that by described mobile switching centre described terminal called is in idle condition, indicates described mobile switching centre to establish a call to the Ring Back Tone service center, described Ring Back Tone service center begins the coloring ring back tone playing sound; And
Step S108, described service control point learns that by described mobile switching centre the idle condition of described terminal called changes, indicate described mobile switching centre to be disconnected to the speech channel at described Ring Back Tone service center, calling subscriber and described called subscriber converse or end of calling.
2. Ring Back Tone service implementation method according to claim 1 is characterized in that, described subscription data comprises service key, Service Control Unit ADDress and signing type sign.
3. Ring Back Tone service implementation method according to claim 1 is characterized in that, if signing type is T-CSI, mobile switching centre or gateway MSC are exhaled for the beginning by then described mobile switching centre.
4. Ring Back Tone service implementation method according to claim 1 is characterized in that, if signing type is VT-CSI, then described mobile switching centre is visit ground mobile switching centre.
5. Ring Back Tone service implementation method according to claim 3, it is characterized in that, among the step S104, described mobile switching centre comprises by the step that service control point triggers the CRBT guide service: the described beginning is triggered the CRBT guide service on the described service control point after exhaling mobile switching centre or gateway MSC to obtain described subscription data from described home service client server or attaching position register; Described mobile switching centre replay call comprises that to the step of terminal called the described beginning exhales mobile switching centre or the gateway MSC elder generation replay call roaming mobile switching centre to described called subscriber, and replay call is to described terminal called then.
6. Ring Back Tone service implementation method according to claim 4, it is characterized in that, among the step S104, described mobile switching centre comprises by the step that service control point triggers the CRBT guide service: call out and arrive described visit ground mobile switching centre, described visit ground mobile switching centre triggers the CRBT guide service on the described service control point.
7. Ring Back Tone service implementation method according to claim 3, it is characterized in that, among step S106 and the step S108, described service control point learns that by described mobile switching centre the step of described terminal called state comprises: after the message of being returned by roaming mobile switching centre was received by described mobile switching centre, reporting message was given described service control point.
8. Ring Back Tone service implementation method according to claim 4, it is characterized in that, among step S106 and the step S108, described service control point learns that by described mobile switching centre the step of described terminal called state comprises: after the message of being returned by wireless network was received by described mobile switching centre, reporting message was given described service control point.
9. Ring Back Tone service implementation method according to claim 1, it is characterized in that, among the step S106, described mobile switching centre establishes a call to after the Ring Back Tone service center, described service control point indicates described mobile switching centre to separate called end from call leg 1, and being moved into call leg 1 to the calling terminal at described Ring Back Tone service center, described Ring Back Tone service center begins coloring ring back tone playing, and described calling subscriber hears the CRBT sound; Among the step S108, after described mobile switching centre is disconnected to the speech channel at described Ring Back Tone service center, called end is moved into call leg 1, described calling subscriber and described called subscriber conversation or end of calling, Ring Back Tone service finishes.
10. Ring Back Tone service implementation method according to claim 1, it is characterized in that, among the step S106, if described mobile switching centre can not receive the indication of described service control point, then do not have response parameter and decide call release, perhaps continue replay call to roaming mobile switching centre by the service control point of described called subscriber in the intelligent network business parameter of this locality definition.
11. Ring Back Tone service implementation method according to claim 1 is characterized in that, described Ring Back Tone service center comprises ip intelligent peripherals/Service Switching Point functional module, can handle the Incoming speech channel and call out, and plays corresponding CRBT sound according to the incoming call signaling.
12. a system that is used for the realization Ring Back Tone service of 3GPP network is characterized in that, comprising:
Home service client server or attaching position register are used to store Ring Back Tone service user's subscription data;
Mobile switching centre is used to trigger the CRBT guide service, receives and reporting message, sets up and the disconnection calling;
Service control point is used to carry out CRBT guide service logic, receives the message that described mobile switching centre reports, and indicates described mobile switching centre to continue and sets up calling; And
The Ring Back Tone service center comprises IP/SSP, and described Ring Back Tone service center is used for coloring ring back tone playing,
Wherein,
When calling terminal is called out described Ring Back Tone service user, described mobile switching centre triggers the CRBT guide service on the described service control point, replay call is to terminal called, if terminal called is in idle condition, then described service control point indicates described mobile switching centre to establish a call to described Ring Back Tone service center, described Ring Back Tone service center begins the coloring ring back tone playing sound, if the idle condition of described terminal called changes, then described service control point indicates described mobile switching centre to be disconnected to the speech channel at described Ring Back Tone service center, and calling subscriber and called subscriber converse or end of calling.
13. system according to claim 12 is characterized in that, described subscription data comprises service key, Service Control Unit ADDress and signing type sign.
14., it is characterized in that if signing type is T-CSI, mobile switching centre or gateway MSC are exhaled for the beginning by then described mobile switching centre according to claim 12 or 13 described systems.
15., it is characterized in that if signing type is VT-CSI, then described mobile switching centre is visit ground mobile switching centre according to claim 12 or 13 described systems.
16. system according to claim 12 is characterized in that, the agreement between described service control point and the described mobile switching centre is CAP4.
17. system according to claim 12 is characterized in that, the agreement between described home service client server or attaching position register and the described mobile switching centre is MAP.
18. system according to claim 12 is characterized in that, comprises between described IP/SSP and the described mobile switching centre that signalling system No.7 is connected with the speech channel relaying to be connected.
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| Application Number | Priority Date | Filing Date | Title |
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| PCT/CN2006/001733 WO2008017190A1 (en) | 2006-07-18 | 2006-07-18 | Method and system for realizing colorful ring back tone service in 3gpp network |
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| CN101491069B true CN101491069B (en) | 2011-09-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1406078A (en) * | 2001-09-19 | 2003-03-26 | 华为技术有限公司 | Method of realizing mobile network of one number to multiple sets based on mobile intelligent business |
| CN1514562A (en) * | 2003-05-15 | 2004-07-21 | 华为技术有限公司 | Method of realizing back bell sound service in CDMA system |
| CN1523904A (en) * | 2003-07-21 | 2004-08-25 | 中国移动通信集团公司 | A method for providing personalized ring back tone in mobile intelligent network system |
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| WO2008017190A1 (en) | 2008-02-14 |
| CN101491069A (en) | 2009-07-22 |
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