CN100496074C - Method for providing ring back tone - Google Patents

Abstract

The present invention discloses providing ringing back tone method. Said method includes calling switchboard judging whether called user idleness, if it is then transmitting current calling and called subscriber number to service switching point; said service switching point detecting whether said called number carried with ringing back tone accessing code, if it is then transmitting said calling and called subscriber number to service control point; service control point according to said called subscriber number determining attributive number segment, in different ringing back tone service platform selecting said number segment correspondent ringing back tone service platform; said selected ringing back tone service platform according to said called subscriber number providing said called subscriber number correspondent ringing back tone to calling user. The present invention realizes simultaneously accessing different equipment maker provided ringing back tone service platform in same operation network, to make different number segment user capable of obtaining difference service.

Description

A kind of method that ring-back tone is provided

Technical field

The present invention relates to the ring-back tone technical field, in particular, this invention relates to a kind of method that ring-back tone is provided.

Background technology

Audible ringing tone service is a business that allows the own customizing ring-back tone of telephone subscriber, and it is to dial calledly in caller, and behind the dialed terminal bell before the off-hook, the calling subscriber hears the Customized Ring Back Tone by caller, called or group user customization.

Ring-back tone can be divided into according to user's difference of customization in addition: caller ring-back tone, called ring-back tone, group audible ringing tone, and wherein, the caller ring-back tone is customized by the calling subscriber; Called ring-back tone is customized by the called subscriber; Group audible ringing tone is customized by group customer.

Industry is called CRBT with the Customized Ring Back Tone of above-mentioned customization usually, when the calling subscriber has called out the called subscriber of " CRBT " customized, what hear no longer is the ring-back tone of tradition plodding " too toot ", but the customized Customized Ring Back Tone of called subscriber.

In addition, operator is based on the strategy of marketing, segmentation according to phone number is divided into different brands with different cellphone subscribers, for example the cellphone subscriber is divided into Global Link, the brand user that M-ZONE, walk in the Divine Land etc. are different, and the service that provides differentiation for described different brand user, how for above-mentioned different brands user provides different audible ringing tone service services, become the problem that present operator faces.

Provide the scheme of Ring Back Tone service to be at present: in same Operation Network, to adopt same audible ringing tone service platform to provide Ring Back Tone service, therefore can't provide differentiated service for the user of different brands for different user.

To sum up, the defective of above-mentioned prior art is:

Because the Operation Network of prior art CRBT provides Ring Back Tone service based on same ring-back platform for all users, therefore can not provide differentiated service for the different brands user.

Summary of the invention

The technical problem that the present invention solves provides a kind of method that ring-back tone is provided, inserting the audible ringing tone service platform that the distinct device merchant provides simultaneously in consolidated network, for the different brands user of jack per station section provides differentiated service.

For addressing the above problem, a kind of method that ring-back tone is provided of the present invention comprises:

A, caller switch judge that the called subscriber is whether idle, and be judged as be after, caller, the called number of current calling sent to Service Switching Point;

B, described Service Switching Point detect whether carry the ring-back tone access code in the described called number, and be judged as be after, described caller, called number are sent to service control point;

C, service control point are determined the number segment of called number ownership according to described called number, and are selected and the corresponding audible ringing tone service platform of described number segment in different audible ringing tone service platforms;

The audible ringing tone service platform of d, described selection provides the ring-back tone corresponding with described called number according to described called number to call subscriber terminal.

Wherein, described a step specifically comprises:

A1, caller switch obtain called subscriber's roaming number from called switch by location server;

A2, caller switch judge with described roaming number whether the called subscriber idle by called switch, and be judged as be after, execution a3;

A3, caller switch send to Service Switching Point with described caller, called number.

Wherein, described steps d specifically comprises:

D1, service control point will send to Service Switching Point with the audible ringing tone service platform corresponding audible ringing tone service platform access code and the called number of described selection;

D2, Service Switching Point make a call to described audible ringing tone service platform with described audible ringing tone service platform access code, and called number are sent to described audible ringing tone service platform;

D3, described audible ringing tone service platform obtain the customized ring-back tone of called subscriber according to described called number inquiry;

D4, described audible ringing tone service platform provide described called subscriber customized ring-back tone to call subscriber terminal.

Correspondingly, a kind of method that ring-back tone is provided of the present invention comprises:

A, caller switch judge that the called subscriber is whether idle, and judge be after, caller, the called number of current calling sent to Service Switching Point;

B, described Service Switching Point detect in described called subscriber's Subscriber Number whether carry the ring-back tone access code, and be judged as be after, then obtain current called number;

C, described Service Switching Point are determined the number segment of called number ownership according to described called number, and are selected and the corresponding audible ringing tone service platform of described number segment in different audible ringing tone service platforms;

The audible ringing tone service platform of D, described selection provides the ring-back tone corresponding with described called number according to described called number to call subscriber terminal.

Wherein, described steps A specifically comprises:

A1, caller switch obtain current called called subscriber's roaming number from called switch by location server;

A2, caller switch judge with described roaming number whether described called subscriber idle by called switch, and be judged as be after, carry out A3;

A3, caller switch send to Service Switching Point with described caller, called number.

Wherein, described step D specifically comprises:

D1, Service Switching Point obtain the corresponding audible ringing tone service platform of the audible ringing tone service platform access code with described selection;

D2, Service Switching Point are initiated to wail to described ring-back platform with described audible ringing tone service platform access code, and called number are sent to described audible ringing tone service platform;

D3, described audible ringing tone service platform obtain the customized ring-back tone of called subscriber according to described called number inquiry;

D4, described audible ringing tone service platform are play the customized ring-back tone of described called subscriber to the calling subscriber.

Compared with prior art, the present invention has following beneficial effect:

Owing to the present invention is based on the number segment of different user number home, in different audible ringing tone service platforms, select and the corresponding audible ringing tone service platform of described number segment, realized in same Operation Network, inserting the audible ringing tone service platform that the distinct device merchant provides simultaneously, made the different brands user of jack per station section can obtain differentiated service.

Description of drawings

Fig. 1 is the first specific embodiment flow chart that the invention provides the method for ring-back tone;

Fig. 2 is the first specific embodiment system group network schematic diagram that the invention provides the method for ring-back tone;

Fig. 3 is that first specific embodiment that the invention provides the method for ring-back tone is realized signaling process figure;

Fig. 4 is the second specific embodiment flow chart that the invention provides the method for ring-back tone;

Fig. 5 is the second specific embodiment system schematic that the invention provides the method for ring-back tone;

Fig. 6 is the second specific embodiment signaling process figure that the invention provides the method for ring-back tone.

Embodiment

Core of the present invention is the jack per station section according to this different user number home for jack per station section user, in different audible ringing tone service platforms, select and the corresponding audible ringing tone service platform of described number segment, make jack per station section user can obtain differentiated service, be elaborated below.

With reference to figure 1, this figure is the first specific embodiment flow chart that the invention provides the method for ring-back tone, specifically mainly may further comprise the steps:

Step 11, caller switch judge whether the called subscriber is idle, if then execution in step 12, otherwise, execution in step 18, during specific implementation, the caller switch obtains called subscriber's roaming number from called switch by location server; The caller switch is judged called subscriber's free time whether by called switch with described roaming number, and be judged as be after, described caller, called number are sent to Service Switching Point;

Step 12 sends to Service Switching Point with caller, the called number of current calling;

Step 13, described Service Switching Point detect whether carry the ring-back tone access code in the described called number, if then execution in step 14, otherwise, execution in step 17;

Step 14 sends to service control point with described caller, called number;

Step 15, service control point is determined the number segment of called number ownership according to described called number, and selects and the corresponding audible ringing tone service platform of described number segment in different audible ringing tone service platforms;

Step 16, the audible ringing tone service platform of described selection provides and the corresponding ring-back tone of described called number to call subscriber terminal according to described called number, during specific implementation, service control point will send to Service Switching Point with the audible ringing tone service platform corresponding audible ringing tone service platform access code and the called number of described selection; Service Switching Point initiates to wail to described audible ringing tone service platform with described audible ringing tone service platform access code, and called number is sent to described audible ringing tone service platform; Described audible ringing tone service platform obtains the customized ring-back tone of called subscriber according to described called number inquiry; Described ring-back platform provides described called subscriber customized ring-back tone to call subscriber terminal.

Step 17 is handled according to the user who does not have customizing ring-back tone in the prior art;

Step 18 is handled according to prior art, repeats no more here.

Need illustrate, the ring-back tone that defines among the present invention is the individual character words ring-back tone of customization, it also is common described CRBT, Service Switching Point among the present invention is in concrete implementation system in addition, can adopt gateway MSC (GMSC) or other to have the node device of Service Switching Point function, system is arranged is that example describes to contain GMSC below, with reference to figure 2, this figure is the first specific embodiment system group network schematic diagram that the invention provides the method for ring-back tone, and this system comprises:

Caller switch (OMSC) is used for being connected with called end office, Service Switching Point by ISUP/TUP;

Called switch (VMSC), the called end office at color ring user B place is responsible for inserting called subscriber B, returns party B-subscriber's state according to actual conditions.

Service Control Point is used to write down the number segment information that the called subscriber belongs to.

Gateway MSC (GMSC) be used for arriving SCP according to calling out called trigger intelligent business, and indication is arrived audible ringing tone service with call proceeding according to SCP, realizes Ring Back Tone service.

Location server (HLR) is used for being responsible for the information and the CRBT log-on message of recording user.

Audible ringing tone service platform (CRBT), be used for being responsible for the recording user CRBT situation is set, provide color playback resource and managing customized ring back tone playback resource according to caller and called number, provide the user from management and service certainly, when implementing Ring Back Tone service, the number inquiry of sending here according to Service Point Trigger obtains customized information, to calling subscriber's coloring ring back tone playing.

ISUP/TUP: ISUP is combined/Telephone User Part.

Need illustrate, 1, be example with two ring-back platform CRBT_1 and CRBT_2 in the native system, the user of corresponding two sections jack per station sections, i.e. two kinds of different brand users, can dispose a plurality of ring-back platforms according to situation about realizing when specific implementation, principle is not stated tired with above-mentioned system is identical herein.

2, the SCP IN service triggers by the ring-back tone access code, and access code is RBTInCode, and this number is configurable during actual the use;

3, the CRBT_1 access code is RBTCode, and the CRBT_2 access code is RBTInCode.

Be A below with calling subscriber, the called subscriber is B, and B is for describing the implementation procedure of said system for example combines concrete signaling process with the corresponding brand user of CRBT_1, and with reference to figure 3, this figure is the first specific embodiment signaling process figure that the invention provides the method for ring-back tone.

At first some information are described:

SRI:MAP_SEND_ROUTING_INFORMATION, the route information query signaling;

PRN:MAP_PROVIDE_ROAMING_NUMBER, roaming number inquiry signaling;

IAM:Initial Address Message, the initial address signaling;

ACM:Address Complete Message, the full signaling in address;

ANM:Answer message replys signaling;

IDP:Initial Detection Points, the initial examination and measurement signaling;

CONNECT: connect signaling;

MSSIDN:Mobile station international ISDN number, called number;

MSRN:Mobile Station Roaming Number, roaming number;

This signaling process specifically comprises:

Step s101, OMSC accept the party A-subscriber and call out, and send the roaming number of SRI to HLR inquiry called subscriber B;

Step s102, HLR sends PRN and obtains roaming number MSRN to called location VMSC;

Step s103, VMSC returns roaming number MSRN by PRN_Ack to HRC;

Step s104, HLR returns roaming number (note, omitted other IN service information processings herein) by SRI_Ack to OMSC;

Step s105, OMSC makes a call to VMSC by sending IAM to VMSC, and called number is the roaming number MSRN of B;

Step s106, VMSC calls out the party B-subscriber, judges whether the party B-subscriber is idle, if called subscriber's free time is then returned ACM, expression called subscriber's free time;

Step s107, OMSC judges called subscriber condition according to returning signaling, sends IAM according to the CRBT log-on message to GMSC then, called number is CRBT access code and called MSSIDN:RBTINCode+MSSIDN;

Step s108, GMSC send IDP to SCP according to the RBTINCode trigger intelligent business;

Step s109, SCP be according to the number segment information of the ownership of called subscriber's Mobile Subscriber International ISDN Number inquiry B, and according to the number segment of described ownership, will call out by CONNECT to be assigned to and the corresponding ring-back platform of described number segment;

Step s110, GMSC makes a call to CRBT1 according to the RBTCodel in the CONNECT message of SCP;

Step s111, CRBT1 judge and inquire about the multimedia bell information of the customization of called subscriber B number;

Step s112, CRBT1 return ACM to GMSC, begin to play called subscriber B custom-made color ring then;

Step s113, GMSC return ACM to OMSC, make calling subscriber A listen to the CRBT that CRBT1 broadcasts words with connection CRBT, caller speech channel.

After above-mentioned steps was finished, the calling subscriber listened to the CRBT that CRBT1 plays, and behind called subscriber answer, the CRBT between OMSC release and the GMSC is called out, and caller and called the beginning are conversed.

The foregoing description is based on the data-handling capacity of intelligent network, and service control point is routed to different color ring platforms by different brands user's number segment is distinguished with different brands user difference, thereby provides differentiated service for the different brands user.In the network based on GMSC, GMSC determines the number segment of ownership according to described called number, and selects and the corresponding audible ringing tone service platform of described number segment in different audible ringing tone service platforms among the present invention.At first, the caller switch judges that the called subscriber is whether idle, and judge be after, caller, the called number of current calling sent to Service Switching Point; Then, described Service Switching Point detects whether carry the ring-back tone access code in the described called number, and be judged as be after, then determine the number segment of ownership, and in different audible ringing tone service platforms, select and the corresponding audible ringing tone service platform of described number segment according to described called number; At last, the audible ringing tone service platform of described selection provides and the corresponding ring-back tone of described called number to call subscriber terminal according to described called number, describes in detail below.

With reference to figure 4, this figure is the second specific embodiment flow chart that the invention provides the method for ring-back tone, specifically comprises the steps:

Step 21, caller switch judge whether the called subscriber is idle, if then execution in step 12, otherwise, execution in step 28, during specific implementation, the caller switch obtains called subscriber's roaming number from called switch by location server; The caller switch is judged called subscriber's free time whether by called switch with described roaming number, and be judged as be after, described caller, called number are sent to Service Switching Point;

Step 22 sends to Service Switching Point with caller, the called number of current calling;

Step 23, described Service Switching Point detect whether carry the ring-back tone access code in the described called number, if then execution in step 24, otherwise, execution in step 27;

Step 24 is obtained called number;

Step 25, Service Switching Point is determined the number segment of called number ownership according to described called number, and selects and the corresponding audible ringing tone service platform of described number segment in different audible ringing tone service platforms;

Step 26, the audible ringing tone service platform of described selection provides and the corresponding ring-back tone of described called number to call subscriber terminal according to described called number, during specific implementation, Service Switching Point obtains the corresponding audible ringing tone service platform of the audible ringing tone service platform access code with described selection; Service Switching Point initiates to wail to described audible ringing tone service platform with described audible ringing tone service platform access code, and called number is sent to described audible ringing tone service platform; Described audible ringing tone service platform obtains the customized ring-back tone of called subscriber according to described called number inquiry; Described ring-back platform provides described called subscriber customized ring-back tone to call subscriber terminal.

Step 27 is handled according to the user who does not have customizing ring-back tone in the prior art;

Step 28 is handled according to prior art.

Need illustrate, the ring-back tone that defines among the present invention is the individual character words ring-back tone of customization, it also is common described CRBT, in addition, the Service Switching Point among the present invention is in concrete implementation system, for gateway MSC (GMSC) or other have the access device of Service Switching Point function, be that example describes with the system that contains GMSC below, with reference to figure 5, this figure is the second specific embodiment system schematic that the invention provides the method for ring-back tone, and this system comprises:

Caller switch (OMSC) is used for being connected with called end office, Service Switching Point by ISUP/TUP.

Called switch (VMSC), the called end office at color ring user B place is responsible for inserting called subscriber B, returns party B-subscriber's state according to actual conditions.

Gateway MSC (GMSC) be used for arriving SCP according to calling out called trigger intelligent business, and indication is arrived audible ringing tone service with call proceeding according to SCP, realizes Ring Back Tone service.

Location server (HLR) is used for being responsible for the information and the CRBT log-on message of recording user.

Audible ringing tone service platform (CRBT), be used for being responsible for the recording user CRBT situation is set, provide CRBT sound resource and managing customized ring back tone playback resource according to caller and called number, provide the user from management and service certainly, in Ring Back Tone service, the number inquiry of sending here according to Service Point Trigger obtains customized information, to calling subscriber's coloring ring back tone playing.

Describe with the course of work of concrete signaling process to said system below, referring to Fig. 6, this figure is the second specific embodiment signaling process figure that the invention provides the method for ring-back tone, and concrete signaling process step comprises:

Step s201, OMSC accept the calling subscriber and call out, and send SRI and obtain called roaming number to HLR; Step s202, HLR sends PRN and obtains roaming number to called location VMSC;

Step s203, VMSC returns roaming number MSRN by PRN_Ack to HRC;

Step s204, HLR returns roaming number (note, omitted other IN service information processings herein) by SRI_Ack to OMSC;

Step s205, OMSC makes a call to VMSC, and called number is the roaming number MSRN of B;

Step s206, VMSC calls out the called subscriber, according to called state, if the called free time is then returned ACM to OMSC, represents called subscriber's free time;

Step s207, OMSC judges User Status, sends IAM according to the CRBT log-on message to GMSC then, called number is CRBT access code and called MSSIDN:RBTINCode+MSSIDN;

Step s208, GMSC is according to utilizing self number section configuration information, and analyzing called number is determined routing iinformation;

Step s209, GMSC routes the call to corresponding color ring platform according to the routing iinformation of preceding surface analysis gained;

Step s210, CRBT1 judges and inquires about the customized information of B number;

Step s211, CRBT1 returns ACM, begins to play custom-made color ring then;

Step s212, GMSC return ACM to OMSC, make calling subscriber A listen to the CRBT that CRBT1 broadcasts words with connection CRBT, caller speech channel.

After above-mentioned steps was finished, the calling subscriber listened to the CRBT that CRBT1 plays, and behind called subscriber answer, the CRBT between OMSC release and the GMSC is called out, and calling subscriber and called subscriber begin conversation.

The above is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also are considered as protection scope of the present invention.

Claims (6)

1, a kind of method that ring-back tone is provided is characterized in that, comprises the steps:

A, caller switch judge that the called subscriber is whether idle, and be judged as be after, caller, the called number of current calling sent to Service Switching Point;

B, described Service Switching Point detect whether carry the ring-back tone access code in the described called number, and be judged as be after, described caller, called number are sent to service control point;

C, service control point are determined the number segment of called number ownership according to described called number, and are selected and the corresponding audible ringing tone service platform of described number segment in different audible ringing tone service platforms;

The audible ringing tone service platform of d, described selection provides the ring-back tone corresponding with described called number according to described called number to call subscriber terminal.

2, the method that ring-back tone is provided according to claim 1 is characterized in that, described step a specifically comprises:

A1, caller switch obtain called subscriber's roaming number from called switch by location server;

A2, caller switch judge with described roaming number whether the called subscriber idle by called switch, and be judged as be after, execution a3;

A3, caller switch send to Service Switching Point with described caller, called number.

3, the method that ring-back tone is provided according to claim 1 and 2 is characterized in that, described steps d specifically comprises:

D1, service control point will send to Service Switching Point with the audible ringing tone service platform corresponding audible ringing tone service platform access code and the called number of described selection;

D2, Service Switching Point make a call to described audible ringing tone service platform with described audible ringing tone service platform access code, and called number are sent to described audible ringing tone service platform;

D3, described audible ringing tone service platform obtain the customized ring-back tone of called subscriber according to described called number inquiry;

D4, described audible ringing tone service platform provide described called subscriber customized ring-back tone to call subscriber terminal.

4, a kind of method that ring-back tone is provided is characterized in that, comprises the steps:

A, caller switch judge that the called subscriber is whether idle, and be judged as be after, caller, the called number of current calling sent to Service Switching Point;

B, described Service Switching Point detect whether carry the ring-back tone access code in the described called number, and be judged as be after, then obtain current called number;

C, described Service Switching Point are determined the number segment of called number ownership according to described called number, and are selected and the corresponding audible ringing tone service platform of described number segment in different audible ringing tone service platforms;

The audible ringing tone service platform of D, described selection provides the ring-back tone corresponding with described called number according to described called number to call subscriber terminal.

5, the method that ring-back tone is provided according to claim 4 is characterized in that, described steps A specifically comprises:

A1, caller switch obtain current called called subscriber's roaming number from called switch by location server;

A2, caller switch judge with described roaming number whether described called subscriber idle by called switch, and be judged as be after, carry out A3;

A3, caller switch send to Service Switching Point with described caller, called number.

6, according to claim 4 or the 5 described methods that ring-back tone is provided, it is characterized in that described step D specifically comprises:

D1, Service Switching Point obtain the corresponding audible ringing tone service platform of the audible ringing tone service platform access code with described selection;

D2, Service Switching Point are initiated to wail to described ring-back platform with described audible ringing tone service platform access code, and called number are sent to described audible ringing tone service platform;

D3, described audible ringing tone service platform obtain the customized ring-back tone of called subscriber according to described called number inquiry;

D4, described audible ringing tone service platform are play the customized ring-back tone of described called subscriber to the calling subscriber.

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