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CN101026652B - Communication network system and method for providing calling multimedia ring business - Google Patents

Communication network system and method for providing calling multimedia ring business Download PDF

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Publication number
CN101026652B
CN101026652B CN2006100081466A CN200610008146A CN101026652B CN 101026652 B CN101026652 B CN 101026652B CN 2006100081466 A CN2006100081466 A CN 2006100081466A CN 200610008146 A CN200610008146 A CN 200610008146A CN 101026652 B CN101026652 B CN 101026652B
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China
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service
called
calling
user
back tone
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CN101026652A (en
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傅彦生
李子涛
强磊
郑燕冰
饶少阳
叶华
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China Telecom Corp Ltd
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China Telecom Corp Ltd
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Abstract

The system includes following parts: terminal switching equipment; tandem switching equipment; user attribute database equipment (UADE) in use for storing user signed contract information, information of service priority, and service access code; color ring platform in use for providing playback function; and color ring service (CRS) control equipment (CRSCE). Responding to call from calling user, the tandem switching equipment queries CRS access codes of calling user/called user in sequence to UADE; based on queried access codes to trigger service to CRSCE, and to build playback link between color ring platform and called terminal as well as to inform the playback link to play color ring setup by users in calling/called types relevant to based on final returned the access codes of effective CRS; priority judgment device selects priority for calling party or called party based on prearranged priority strategy if priorities of calling party and called party are conflicting.

Description

The communications network system and the method for calling RBT service are provided
Technical field
The present invention relates to phone value-added service, particularly relate to a kind of novel Ring Back Tone service of existing landline telephone Ring Back Tone service and technology implementation method of opening to the user simultaneously with existing Ring Back Tone service thereof of being different from based on fixed network.
Background technology
Existing Ring Back Tone service is a kind of business by callee's application and setting, is called called RBT service.When this called RBT service of calling user dials user, what hear no longer is traditional " pouting ... pout ... " ring-back tone, generation be the music or the speech of the personalization that sets in advance of service-user, behind called subscriber's off-hook, audio is cut off, and both sides carry out normal talking.The called subscriber can represent the unique individualities of oneself by called RBT service to each caller incoming call user, thereby has realized self-expression value, and the calling subscriber then experiences colourful Customized Ring Back Tone when calling out the called service user.Therefore, called RBT service helps improving the satisfaction and the loyalty of service-user, also helps promoting service provider's popularity simultaneously and increases professional income.
The relevant method of called RBT service ring-back tone that provides in the mobile network sees also the Chinese patent application 03800092.X that is entitled as " being used to provide the method and apparatus based on user's ring-back tone ".
Along with popularizing of Ring Back Tone service, people need also provide Ring Back Tone service in fixed network.
In addition, existing Ring Back Tone service (CRBT service provided to the called party) though be by called subscriber (professional applicant) application and the CRBT audio also be provided with by the called subscriber, but when caller dials called subscriber phone to calling party's coloring ring back tone playing, the calling party can experience different CRBT and then understand called subscriber's individual character, but called subscriber itself can't hear the CRBT audio that oneself is provided with in this calling procedure, can't experience the professional enjoyment of being brought at any time, this just may cause professional applicant gradually indifference should business (for example being indifferent to the renewal of CRBT audio) even quits the subscription of business, thereby finally cause increaseing slowly even gliding of Ring Back Tone service amount.
Therefore, need provide a kind of novel Ring Back Tone service (after this being called calling RBT service), make the user when calling out, also can enjoy the CRBT of its setting as the calling party.
Summary of the invention
An object of the present invention is to provide a kind of communication system based on fixed network, it supports calling RBT service.
Another object of the present invention provides a kind of method that calling RBT service is provided in the communication system based on fixed network.
The invention provides a kind of communications network system that Ring Back Tone service is provided, it is characterized in that comprising: the end switching equipment; The tandem switching equipment links to each other with described end switching equipment; User attribute database equipment links to each other with described tandem switching equipment, is used to store the whether information of signatory calling RBT service and called RBT service of relevant user, the precedence information of the signatory Ring Back Tone service of institute, and Ring Back Tone service access code accordingly; Color ring platform links to each other with the tandem switching equipment, is used to store the multimedia bell information that CRBT resource, contracted user's information and user select or be provided with, and player function is provided; And Ring Back Tone service control appliance, be used to carry out caller and called RBT service logic, wherein, described tandem switching equipment is configured to respond via the calling of described end switching equipment from the calling subscriber, to the calling RBT service access code of user attribute database equipment inquiring calling user successively and called subscriber's called RBT service access code, corresponding Ring Back Tone service access code according to inquiry triggers professional to the Ring Back Tone service control appliance, when determining that via described end switching equipment terminal called is idle, set up the playback link between color ring platform and terminal called, and the user that the notice color ring platform is play based on the relevant caller/called type of the effective Ring Back Tone service access code that returns at last with user attribute database equipment to described playback link is provided with CRBT, and described user attribute database equipment comprises inquiry unit, be used to respond the described inquiry of described tandem switching equipment, inquire about and return the Ring Back Tone service access code relevant with described inquiry; With preferential judgment means, when the priority that is used for the called RBT service that the calling RBT service of contracting the calling subscriber and called subscriber contracted is conflicted mutually, select wherein business according to predetermined preference strategy, so that inquiry unit returns its relevant Ring Back Tone service access code.
The invention provides a kind of method that Ring Back Tone service is provided in communications network system, described communications network system comprises: the end switching equipment; The tandem switching equipment links to each other with described end switching equipment; User attribute database equipment links to each other with described tandem switching equipment, is used to store the whether information of signatory calling RBT service and called RBT service of relevant user, the precedence information of the signatory Ring Back Tone service of institute, and Ring Back Tone service access code accordingly; Color ring platform links to each other with the tandem switching equipment, is used to store the multimedia bell information that CRBT resource, contracted user's information and user select or be provided with, and player function is provided; And the Ring Back Tone service control appliance, be used to carry out caller and called RBT service logic, it is characterized in that comprising: described tandem switching equipment receives via the calling of described end switching equipment from the calling subscriber; Described tandem switching equipment is to the calling RBT service access code of user attribute database equipment inquiring calling user successively and called subscriber's called RBT service access code, and wherein said tandem switching equipment triggers professional to the Ring Back Tone service control appliance according to the corresponding Ring Back Tone service access code of inquiry; Described tandem switching equipment is set up the playback link between color ring platform and terminal called when determining that via described end switching equipment terminal called is idle, and the user that the notice color ring platform is play based on the relevant caller/called type of the effective Ring Back Tone service access code that returns at last with user attribute database equipment to described playback link is provided with CRBT, wherein said method also comprises the described inquiry of the described tandem switching equipment of described user attribute database device responds, inquires about and return the Ring Back Tone service access code relevant with described inquiry; And when the priority of the called RBT service of being contracted calling RBT service that the calling subscriber contracted and called subscriber is conflicted mutually, select wherein business according to predetermined preference strategy, to return its relevant Ring Back Tone service access code.
Description of drawings
Fig. 1 is according to the embodiment of the invention, and the communications network system schematic diagram of caller and called RBT service is provided simultaneously at same local network.
Fig. 2 is the flow chart according to the method that Ring Back Tone service is provided of the embodiment of the invention, and wherein the calling RBT service customer call belongs to the called RBT service user in the same local network.
Accompanying drawing is schematically expression just, is not intended to illustrate concrete parameter of the present invention.Accompanying drawing is intended to describe exemplary embodiments more of the present invention, therefore should not be construed as limiting the scope of the invention.
Embodiment
In order to make the present invention to understand by more abundant quilt, with reference now to description of drawings the preferred embodiments of the present invention.
Fig. 1 is the communications network system schematic diagram that caller and called RBT service are provided simultaneously at same local network.
As shown in Figure 1, this system comprises: intelligent subscriber attribute database (SHLR) 50; Use and for example expand ISDN User Part (ISUP+) or expand tandem exchange's switch/Service Switching Point (MS/SSP) 30 that MAP (MAP+) is communicated by letter with SHLR via for example No. 7 signaling network; The color ring platform 60 of CRBT resource and player function is provided; Service Control Point of intelligent network (SCP) 40 with caller and called RBT service logic executive capability; With local end office switch (LS) 20 and 21, it finishes the traffic tandem via MS/SSP 30, and the calling traffic of all LS 20 or LS 21 all needs to be transferred to MS/SSP 30, is realized and the communicating by letter of SHLR by MS/SSP.
The terminal that the calling subscriber for example initiates the called subscriber via LS 20 by its terminal equipment 10, for example calling of terminal equipment 11, this calling is linked into terminal equipment 11 via LS 21.
SHLR 50 is network element of centralized stores service-user information, mainly deposit the business information that the user contracts, comprise for example user ID, identify whether the contracted information of Ring Back Tone service (calling and/or called Ring Back Tone service) of this user, corresponding calling and/or called Ring Back Tone service access code (SCP routing address), and this user who is provided with according to user intention calling RBT service priority (calling RBT service is preferential or called RBT service is preferential) of (if signatory calling RBT service) the time as caller, this user who is provided with according to user intention is in the called RBT service priority (called RBT service is preferential or calling RBT service is preferential) of (if signatory called RBT service) when called.
SHLR 50 comprises enquiry module, be used to respond the signing service information that MS/SSP 30 inquires about specified calling subscriber at calling subscriber's service attribute query requests of calling out, if wherein this calling subscriber contracts calling RBT service is arranged, then return the corresponding service access code of this calling RBT service, otherwise return sky.This enquiry module also responds MS/SSP 30 at called subscriber's service attribute query requests of this calling and the signing service information of inquiring about specified called subscriber, if signatory calling RBT service of calling subscriber and the called subscriber called RBT service of having contracted in this calling wherein, then enquiry module returns the corresponding service access code of this called RBT service, if not signatory calling RBT service of calling subscriber and the not signatory called RBT service of called subscriber in should calling out, then enquiry module returns sky, if calling subscriber's calling RBT service and called subscriber called RBT service of having contracted of having contracted in this calling needs then to carry out that business is preferential judges.
SHLR 50 deposits the Ring Back Tone service priority principle that service supplier is provided with, and comprises the preferential judge module of Ring Back Tone service of carrying out this business priority principle.
Calling RBT service is by the calling RBT service user applies, and when this calling RBT service user dials arbitrary called subscriber's phone on this professional terminal of application with the individualized music or the speech of uppick oneself setting.The audio of CRBT service provided to the calling party can be music of being liked or the speech that calling RBT service user oneself is provided with, also can be music or the speech that calling RBT service user purchase and suggestion third party help its setting, for example: the bell sound kit function that is provided by the third party can be provided the calling RBT service user, the CRBT audio of bell sound box is selected for the calling RBT service user by the third party and is provided with, be generally current most popular several songs, these music bell sounds are play to the calling RBT service user by certain mode (for example in turn or at random).
This novel Ring Back Tone service (calling RBT service) can with existing Ring Back Tone service (called RBT service) in communication system and deposit.But, this novel Ring Back Tone service is if (refer to the local network of same carrier network at same local network simultaneously with existing called RBT service, as follows) in provide to the user, need solving the calling RBT service user, to dial CRBT service provided to the called party user Shi Shi still be the problem of CRBT service provided to the called party audio to calling subscriber's playing and calling CRBT audio.
In this case, the preferential judge module of Ring Back Tone service judges with decision to play which kind of CRBT audio to the calling subscriber according to caller and called users both sides' wish and professional provider's professional priority principle, wherein needs to handle following four kinds of situations:
1. the calling RBT service user as caller selects calling RBT service to have precedence over called RBT service (promptly whether the called subscriber has applied for all CRBT of playing and calling user setting of called RBT service), and also select calling RBT service to have precedence over called RBT service as called CRBT service provided to the called party user, then calling RBT service should be selected to trigger by system, to calling subscriber's playing and calling CRBT audio.
2. the calling RBT service user as caller selects called RBT service to have precedence over calling RBT service (if promptly the called subscriber has applied for called RBT service then play the CRBT that the called subscriber is provided with), when the called subscriber has also selected called RBT service to have precedence over calling RBT service, called RBT service should be selected to trigger by system, plays the CRBT service provided to the called party audio to the calling subscriber.
3. opposing (promptly a side has selected calling RBT service to have precedence over called RBT service to the Ring Back Tone service priority selected of caller and called users, the opposing party has selected called RBT service to have precedence over calling RBT service), in this case, if being calling RBT service, the principle that professional provider determines is higher than called RBT service, then calling RBT service should be selected to trigger by system, to calling subscriber's playing and calling CRBT audio.
4. the Ring Back Tone service priority of caller and called users selection is opposing, in this case, be higher than calling RBT service if the principle that professional provider determines is a called RBT service, then called RBT service should be selected to trigger by system, plays called color tinkling of pieces of jade audio to the calling subscriber.
As previously mentioned, if calling subscriber's calling RBT service and called subscriber called RBT service of having contracted of having contracted in this calling, the then enquiry module of SHLR 50 Ring Back Tone service that will trigger according to the judged result decision of the preferential judge module of Ring Back Tone service and the module of returning the corresponding service access code.
On the whole, SHLR 50 realizes following decision logic:
Have at least one to be non-Ring Back Tone service user (non-calling RBT service user of calling subscriber or the non-called RBT service user's of called subscriber) situation for calling subscriber in the same local network and called subscriber, system does not then only need other subsidiary conditions can determine to trigger which kind of business according to the service contracting state (signatory or signatory) of service-user, and user attribute database has following decision logic:
1. whether the calling subscriber has applied for calling RBT service, if then change (2), then changes if not (3);
2. whether the called subscriber has applied for called RBT service, then changes (4) if not, is the decision logic of color ring user per family if then enter the master, used;
3. whether the called subscriber has applied for called RBT service, if then trigger called RBT service, does not then trigger any business if not, judges and finishes;
4. whether the calling subscriber has applied for calling RBT service, if then trigger calling RBT service, does not then trigger any business if not, judges and finishes.
Main, be respectively that caller, called RBT service user's decision logic is as follows by the user:
1. whether calling subscriber and called subscriber all are provided with calling RBT service and have precedence over called RBT service, if then trigger calling RBT service, then change if not (2);
2. whether calling subscriber and called subscriber all are provided with called RBT service and have precedence over calling RBT service, if then trigger called RBT service, then change if not (3);
3. the Ring Back Tone service priority of calling and called user selection is opposing, and therefore the professional priority principle of determining according to professional provider is higher than called RBT service if the principle that professional provider determines is a calling RBT service, then only triggers calling RBT service; Be higher than calling RBT service if the principle that professional provider determines is a called RBT service, then only trigger called RBT service, judge and finish.
The service attribute that MS/SSP 30 is responsible for to SHLR 50 inquiring calling users or called subscriber, and trigger professionally according to Query Result, or be connected to color ring platform 60 by relaying and inform its calling subscriber or called subscriber's user profile (for example subscriber directory number) to SCP 40.
60 of color ring platforms have the user profile and the bell sound configuration information of caller and called users simultaneously, can play the bell sound to corresponding bell sound and to the calling subscriber according to the caller and called users information search.
Can adopt manner known in the art to come managing customized ring back tone platform 60.In one embodiment, Ring Back Tone service administrative center 70 links to each other with color ring platform 60 with (SP/CP) 90 of service provider/content supplier by internet 80.Ring Back Tone service administrative center 70 is in charge of color ring user and SP/CP 90, and a CRBT content that examination SP/CP 90 submits to and a bell sound resource that passes are sent to color ring platform 60.User profile (for example subscriber directory number) that Ring Back Tone service administrative center 70 provides when the user is contracted and selection and the bell message breath that is provided with also send color ring platform 60 to.
SCP 40 has calling RBT service logic and called RBT service logic simultaneously, and can carry out different service codes according to different service access codes or same access code different user information (for example subscriber directory number).
Fig. 2 is the flow chart of example according to the method that Ring Back Tone service is provided of the embodiment of the invention, and wherein the calling RBT service customer call belongs to the called RBT service user in the same local network.Network element among Fig. 2 and function are as described in reference Fig. 1.
Step S101: calling subscriber 10 dials called subscriber 11, calls out and is transmitted to the MS/SSP of tandem exchange 30 by innings LS 20 that makes a start.
Step S102:MS/SSP 30 according in calling out with calling user information to SHLR50 inquiring calling user's business information.
Step S103:SHLR 50 inquires the business information that the calling subscriber contracts according to calling user information (calling number), calling RBT service access code (routing address of corresponding SCP 40) for example, and this information returned to MS/SSP 30.
Step S104:MS/SSP 30 is triggered to corresponding SCP40 according to the calling RBT service access code, and SCP 40 carries out the calling RBT service logic.
After step S105:SCP 40 carries out the Ring Back Tone service logic, send link order and give MS/SSP 30, link address is color ring platform 60 (a calling RBT service number).
Step S106:MS/SSP 30 can be to SHLR 50 inquiry called subscribers' service attribute before connecting color ring platform 60.SHLR 50 inquires called subscriber's called RBT service of having contracted, and at this moment SHLR 50 enters professional preferential decision logic flow process.To be provided with calling RBT service preferential as the calling subscriber, it is preferential that the called subscriber also is provided with calling RBT service, perhaps the Ring Back Tone service of calling and called user setting is preferentially opposing, but the professional priority principle of service supplier is a calling RBT service when having precedence over called RBT service, SHLR 50 selects to trigger calling RBT service through judging, does not therefore send the called RBT service access code.
Step S107: so SHLR 50 returns access code information and gives MS/SSP 30 for empty message.
Step S108:MS/SSP 30 arrives called end office LS 21 with call proceeding.
Step S109: called end office LS 21 returns called idle message.
Step S110:MS/SSP 30 at first is routed to color ring platform 60, then relaying and calling subscriber's relaying with color ring platform 60 is coupled together, and the playback link establishment between color ring platform 60 and the calling subscriber is got up.
Step S111: color ring platform 60 begins the personalized ring back tone that is provided with to calling subscriber's playing and calling user oneself according to calling user information.
When having realized in same local network CRBT service provided to the calling party customer call CRBT service provided to the called party user to step S111 by above step S101, the preferential wish of Ring Back Tone service that is provided with as the calling subscriber is calling RBT service with the preferential wish of Ring Back Tone service of called subscriber's setting and has precedence over called RBT service, when perhaps opposing the but service supplier of calling and called user's wish was provided with calling RBT service and has precedence over the professional priority principle of called RBT service, the calling subscriber was with uppick CRBT service provided to the calling party ring-back tone.But, the preferential wish of Ring Back Tone service that is provided with as the calling subscriber all is that called RBT service has precedence over calling RBT service with the preferential wish of Ring Back Tone service of called subscriber's setting, when perhaps opposing the but service supplier of calling and called user's wish is provided with called RBT service and has precedence over the professional priority principle of calling RBT service, system will play the CRBT service provided to the called party ring-back tone to the calling subscriber, its flow process and above-mentioned flow process are basic identical under this situation, and difference is as follows:
Step S101 to 105 is identical with former step.
Among the step S106: SHLR 50 selects to trigger called RBT service through judging;
Among the step S107: SHLR 50 returns the CRBT service provided to the called party access code and gives MS/SSP 30.
Increase step S107 ' and step S107 between step S107 and the S108 ":
Step S107 ': MS/SSP 30 is triggered to corresponding SCP 40 according to the called RBT service access code, and SCP 40 carries out the called RBT service logic.
Step S107 ": after SCP 40 carries out service logic, send link order and give MS/SSP 30, link address is color ring platform 60 (a called RBT service number).
Step S108 to S110 is identical with former step.
Step S111 is revised as: color ring platform 60 begins to play the personalized ring back tone that the called subscriber is provided with to the calling subscriber according to called user information (for example called phone number).
In one embodiment of the invention, can to default to calling RBT service preferential for calling RBT service user's calling RBT service priority.
In one embodiment of the invention, can to default to called RBT service preferential for called RBT service user's called RBT service priority.
In one embodiment of the invention, user can contract simultaneously calling RBT service and called RBT service wherein are provided with the service priority of calling RBT service and the service priority of called RBT service simultaneously in SHLR 50.When the user when called, system is treated to the called RBT service user with it.

Claims (8)

1. communications network system that Ring Back Tone service is provided is characterized in that comprising:
The end switching equipment;
The tandem switching equipment links to each other with described end switching equipment;
User attribute database equipment links to each other with described tandem switching equipment, is used to store the whether information of signatory calling RBT service and called RBT service of relevant user, the precedence information of the signatory Ring Back Tone service of institute, and Ring Back Tone service access code accordingly;
Color ring platform links to each other with the tandem switching equipment, is used to store the multimedia bell information that CRBT resource, contracted user's information and user select or be provided with, and player function is provided; And
The Ring Back Tone service control appliance is used to carry out caller and called RBT service logic,
Wherein, described tandem switching equipment is configured to respond via the calling of described end switching equipment from the calling subscriber, to the calling RBT service access code of user attribute database equipment inquiring calling user successively and called subscriber's called RBT service access code, corresponding Ring Back Tone service access code according to inquiry triggers professional to the Ring Back Tone service control appliance, when determining that via described end switching equipment terminal called is idle, set up the playback link between color ring platform and terminal called, and the user that the notice color ring platform is play based on the relevant caller/called type of the effective Ring Back Tone service access code that returns at last with user attribute database equipment to described playback link is provided with CRBT, and
Described user attribute database equipment comprises inquiry unit, is used to respond the described inquiry of described tandem switching equipment, inquires about and return the Ring Back Tone service access code relevant with described inquiry; With preferential judgment means, when the priority that is used for the called RBT service that the calling RBT service of contracting the calling subscriber and called subscriber contracted is conflicted mutually, select wherein business according to predetermined preference strategy, so that inquiry unit returns its relevant Ring Back Tone service access code.
2. according to the communications network system of claim 1, it is characterized in that, described Ring Back Tone service priority comprises that CRBT service provided to the calling party is preferential and CRBT service provided to the called party is preferential, wherein preferential judgment means is configured to have when the calling subscriber is signatory that calling RBT service and called subscriber are signatory a called RBT service, and when the priority of described caller and called RBT service is identical, if described predetermined preference strategy is that CRBT service provided to the calling party is preferential, then select calling RBT service, if and described predetermined preference strategy is that CRBT service provided to the called party is preferential, then select called RBT service.
3. according to the communications network system of claim 1, it is characterized in that described tandem switching equipment uses expansion ISDN User Part or expansion MAP by No. 7 signaling network and user attribute database devices communicating.
4. according to the communications network system of claim 1, it is characterized in that described user attribute database device storage has the information of the described predetermined preference strategy of indication.
5. method that Ring Back Tone service is provided in communications network system, described communications network system comprises:
The end switching equipment;
The tandem switching equipment links to each other with described end switching equipment;
User attribute database equipment links to each other with described tandem switching equipment, is used to store the whether information of signatory calling RBT service and called RBT service of relevant user, the precedence information of the signatory Ring Back Tone service of institute, and Ring Back Tone service access code accordingly;
Color ring platform links to each other with the tandem switching equipment, is used to store the multimedia bell information that CRBT resource, contracted user's information and user select or be provided with, and player function is provided; And
The Ring Back Tone service control appliance is used to carry out caller and called RBT service logic,
It is characterized in that comprising:
Described tandem switching equipment receives via the calling of described end switching equipment from the calling subscriber;
Described tandem switching equipment is to the calling RBT service access code of user attribute database equipment inquiring calling user successively and called subscriber's called RBT service access code, and wherein said tandem switching equipment triggers professional to the Ring Back Tone service control appliance according to the corresponding Ring Back Tone service access code of inquiry;
Described tandem switching equipment is set up the playback link between color ring platform and terminal called when determining that via described end switching equipment terminal called is idle, and the user that the notice color ring platform is play based on the relevant caller/called type of the effective Ring Back Tone service access code that returns at last with user attribute database equipment to described playback link is provided with CRBT
Wherein said method also comprises the described inquiry of the described tandem switching equipment of described user attribute database device responds, inquires about and return the Ring Back Tone service access code relevant with described inquiry; And when the priority of the called RBT service of being contracted calling RBT service that the calling subscriber contracted and called subscriber is conflicted mutually, select wherein business according to predetermined preference strategy, to return its relevant Ring Back Tone service access code.
6. according to the method for claim 5, it is characterized in that, described Ring Back Tone service priority comprises that CRBT service provided to the calling party is preferential and CRBT service provided to the called party is preferential, the described step of wherein said user attribute database response inquiry comprises when the calling subscriber is signatory that calling RBT service and called subscriber are signatory a called RBT service, and when the priority of described caller and called RBT service is identical, if described predetermined preference strategy is that CRBT service provided to the calling party is preferential, then select calling RBT service, if and described predetermined preference strategy is that CRBT service provided to the called party is preferential, then select called RBT service.
7. according to the method for claim 5, it is characterized in that described tandem switching equipment uses expansion ISDN User Part or expansion MAP by No. 7 signaling network and user attribute database devices communicating.
8. according to the method for claim 5, it is characterized in that described user attribute database device storage has the information of the described predetermined preference strategy of indication.
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