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CN101080042A - A method for realizing closed group service - Google Patents

A method for realizing closed group service Download PDF

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Publication number
CN101080042A
CN101080042A CNA200710127279XA CN200710127279A CN101080042A CN 101080042 A CN101080042 A CN 101080042A CN A200710127279X A CNA200710127279X A CN A200710127279XA CN 200710127279 A CN200710127279 A CN 200710127279A CN 101080042 A CN101080042 A CN 101080042A
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China
Prior art keywords
tandem exchange
shlr
service
called
access code
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CNA200710127279XA
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Chinese (zh)
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CN101080042B (en
Inventor
褚保平
李江
孙振伟
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ZTE Corp
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ZTE Corp
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Publication of CN101080042B publication Critical patent/CN101080042B/en
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Abstract

This invention provides a system of realizing close group service including a junction center, a SHLR, a service authentication server and an end office, in which, the junction center is connected with the SHLR via the MAP +protocol and sets up communication with the service authentication server by the TCP/IP protocol and is mutual-connected with the standard relay of the end office ISUP. This invention also provides a method for realizing said service including: after a user in the group initiates a call, if the junction center judges that the called number is a small number in a WAN group, it plugs a WAN group access code before it and sends it to the SHLR, otherwise, it sends the number to the SHLR directly, which returns the response information to the junction center and allows this time of call if it judges that the calling user has signed the close group service and a WAN group access code is plugged before the called number, it carries out the next step, otherwise it informs the junction center to refuse the call to continue successive calls.

Description

A kind of method that realizes closed group service
Technical field
The present invention relates to the communications field, relate in particular to a kind of method that realizes closed group service.
Background technology
Along with the continuous development of fixed telephone service, users have higher requirement for closed group service.In the group user not only requirement can realize that striding exchange calls out, require to realize CRBT simultaneously, with business such as shaking.
The closed group service feature: the user only allows to carry out intra-group call and uses 201 card business in the group.
MAP MAP+ technical characterictic: all end office (EO)s call out and are dealt into the unified processing of tandem exchange, after calling is received by tandem exchange, carry out alternately with Smart Home Location Register SHLR, obtain calling and called user's service access code, and it is called to continue after it is handled.Adopt the MAP+ technology can realize business such as CRBT service provided to the calling party, caller pre-payment, called one number service, CRBT service provided to the called party.
Stride the technology of exchange realization closed group service at present and have only the wide area cluster technology, general SHLR of employing and tandem exchange cooperate, perhaps service authentication server cooperates realization with tandem exchange, and need work the office of exhaling at each and do data limit to prevent the customer group outcall, is unfavorable for operator's centralized management.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method that realizes closed group service, makes to realize novel closed group service under the very little prerequisite of R﹠D costs input.
The technical solution used in the present invention is:
The invention provides a kind of method that realizes closed group service, may further comprise the steps:
A) after the user made a call in the closed group, tandem exchange then sent it to Smart Home Location Register SHLR behind the insertion wide area cluster access code, otherwise called number is directly sent to SHLR as judging that called number is the little number in the wide area cluster before called number;
B) after SHLR receives, be inserted with the wide area cluster access code before closed group service and the called number, then return response message and allow this calling, carry out next step to tandem exchange as judging that the calling subscriber has contracted; Otherwise this calling is refused by notice tandem exchange;
C) tandem exchange continues follow-up call flow.
Further, SHLR notifies tandem exchange to refuse this calling by the shutdown access code that returns the calling subscriber to tandem exchange in the step b), and tandem exchange plays the shutdown prompt tone to the calling subscriber after the shutdown access code is analyzed.
Further, in the step a), SHLR is mail to calling subscriber's physical number together with calling subscriber's number in tandem exchange; In the step b), SHLR inquires calling subscriber's logical number according to calling subscriber's physical number, comprises calling subscriber's logical number in the response message.
Further, step c) further may further comprise the steps:
(c1) after tandem exchange sends calling subscriber's logical number and called subscriber's number to service authentication server, receive service authentication server to its called subscriber's who returns logical number and send it to SHLR;
(c2) after SHLR inquires called subscriber's physical number according to called subscriber's logical number, it is returned to tandem exchange;
(c3) tandem exchange receives called end office to its Address Complete Message that returns, called party answer, access success to called end office transmission called subscriber's physical number.
Further, also disposed the service access code of the value-added service that calling subscriber and/or called subscriber open among the SHLR, and be provided with priority for it; In the step b), when tandem exchange sent response message, the service access code of simultaneously that the priority opened is the highest value-added service returned to tandem exchange together as SHLR, and tandem exchange is kept at service access code in the data field; Step c) tandem exchange in the calling procedure that continue the back, receive Address Complete Message after, service access code is sent to business platform corresponding with it successively, by business platform value-added service is triggered successively.
Further, step c2) also comprise before: SHLR inquires about the value-added service whether calling/called user has also opened other, if, then its service access code is returned to tandem exchange, tandem exchange is kept at the data field with it after receiving service access code, and carries out this step once more; Otherwise, execution in step c).
Further, value-added service comprises: any one in calling/called Ring Back Tone service, the called one number service or its combination.
The present invention also provides a kind of system that realizes closed group service, comprise tandem exchange, Smart Home Location Register SHLR, service authentication server and end office (EO), tandem exchange is connected with SHLR by MAP MAP+ agreement, service authentication server and tandem exchange set up communication by ICP/IP protocol, use integrated digital service network User Part ISUP standard trunk interconnection between end office (EO) and tandem exchange;
Tandem exchange is used for opposite end office to be judged to the called subscriber's of its transmission number, inserts the wide area cluster access code if the little number in the wide area cluster is then preceding, otherwise inserts the wide area cluster access code, sends it to SHLR then; Also be used for continuing follow-up call flow receiving described SHLR behind the response message of this calling of permission of its transmission;
SHLR is used to judge whether that the calling subscriber has contracted is inserted with the wide area cluster access code before closed group service and called subscriber's the number, if be used for returning response message to tandem exchange and allow this calling; Otherwise this calling is refused by notice tandem exchange;
Service authentication server is used to realize the setting of wide area cluster and the coupling of the interior user's size of group number.
Further, comprise calling subscriber's physical number in the response message, it is to be checked out to the calling subscriber's of its transmission logical number according to tandem exchange by SHLR.
Further, disposed the service access code of the value-added service that calling subscriber and/or called subscriber open among the SHLR, and be provided with priority for it; When SHLR when tandem exchange sends response message, the service access code of simultaneously that the priority opened is the highest value-added service returns to tandem exchange together, tandem exchange also is used for service access code is kept at the data field.
Further, tandem exchange also is used for sending calling subscriber's logical number and called subscriber's number to service authentication server, and receives service authentication server to its called subscriber's who returns logical number and send it to SHLR; Also be used for sending it to called end office, and receive called end office to its Address Complete Message that returns receiving SHLR behind the called subscriber's of its transmission physical number;
SHLR also is used for receiving tandem exchange according to it and inquires called subscriber's physical number to the called subscriber's of its transmission logical number, and it is returned to tandem exchange;
Service authentication server is used for inquiring called subscriber's logical number and returning to tandem exchange receiving tandem exchange behind the calling subscriber's of its transmission logical number and called subscriber's number.
By top analysis, can see that the present invention creatively effectively combines MAP+ and wide area cluster technology, and increase new professional triggering mode.Under the very little prerequisite of R﹠D costs input, realized novel closed group service.And because reasonably utilized these two mature technique of MAP+ and wide area cluster technology, make that the stability and the fail safe of this new closed group service are all very really up to the mark.And business such as user's calling/called CRBT, called one number service have been realized.
Description of drawings
Fig. 1 is a basic networking schematic diagram of realizing closed group service in the embodiment of the invention;
Fig. 2 is the operation flow during the big number of closed group customer call in the embodiment of the invention;
Fig. 3 is the operation flow during the small size sign indicating number of closed group customer call in the embodiment of the invention;
Fig. 4 is the flow process that triggers calling RBT service in the embodiment of the invention.
Embodiment
Below in conjunction with drawings and Examples technical scheme of the present invention is described in detail.
In existing the application, closed group service generally adopts SHLR and tandem exchange to cooperate, and perhaps service authentication server cooperates realization with tandem exchange.And the present invention organically combines this dual mode, has made full use of both advantages, has increased the flexibility and the high efficiency of business configuration.Concrete connected mode as shown in Figure 1, tandem exchange links by MAP+ agreement and SHLR, service authentication server and tandem exchange set up communication by ICP/IP protocol, use ISUP (integrated digital service network User Part) standard trunk interconnection between end office (EO) and tandem exchange.
Fig. 1 is professional basic networking schematic diagram, and business function is cooperated by equipment such as tandem exchange, service authentication server and SHLR to be realized, will introduce their functions separately respectively below
Tandem exchange: major function is to realize the professional triggering function such as continue function and calling RBT service of service call.
Tandem exchange is judged according to the called number in the IAM of the end office (EO) message; if go up the SHLR inquiry behind the then preceding slotting wide area cluster access code of little number; if big number is then inserted the wide area cluster access code before and is directly gone up SHLR and inquire about; can make SHLR return caller signatory " shutdown access code " like this according to whether there being the wide area cluster access code to judge whether before called; thereby realize allowing in the group small size the calling, the function that the restriction large size is called out.
Tandem exchange also is used for sending calling subscriber's logical number and called subscriber's number to service authentication server, and receives service authentication server to its called subscriber's who returns logical number and send it to SHLR; Also be used for sending it to called end office, and receive called end office to its Address Complete Message that returns receiving SHLR behind the described called subscriber's of its transmission physical number; Also be used for continuing follow-up call flow receiving SHLR behind the response message of this calling of permission of its transmission; Also be used for SHLR is kept at the data field to the service access code of its transmission.
SHLR: realize the reservation of user's access code and the function that the combination of calling and called access code is judged.
" shutdown access code " business of a caller is set on the SHLR and its priority is decided to be the superlative degree, simultaneously, the arbitration functions of configuration calling and called combinations of numbers: if caller has been contracted " shutdown access code " professional, when having inserted wide area cluster access code (as 201 cards) before the called number, SHLR does not return the shutdown access code of caller; Otherwise directly return " shutdown access code ";
Be each user's reservation " shutdown access code " business in this closed group, business such as calling/called Ring Back Tone service, one number service then can be registered according to customer requirements, and its priority is kept among the SHLR; When SHLR when tandem exchange sends response message, the service access code of simultaneously that the priority opened is the highest value-added service returns to tandem exchange together.
SHLR also is used for receiving tandem exchange according to it and inquires called subscriber's physical number to the called subscriber's of its transmission logical number, and it is returned to tandem exchange.
Service authentication server: realize the setting of wide area cluster and the coupling of big or small number.
It is used for inquiring called subscriber's logical number and returning to tandem exchange receiving tandem exchange behind the calling subscriber's of its transmission logical number and called subscriber's number.
By configuration to service authentication server, can realize the establishment of wide area cluster and the corresponding relation of interior number greatly of group and little number, can also be chosen in when making a call in the group, calling number shows by big number or small size yard demonstration.Need to prove that the big number in the service authentication server is user's logical number.
The step that the interior calling subscriber of closed group calls out called subscriber in the wide area cluster is:
(1) after the calling of calling subscriber's initiation to the called subscriber, local side office direction tandem exchange sends IAM message (initial address message), comprising calling subscriber's physical number and its called subscriber's that will call out number;
(2) tandem exchange judges that earlier whether called subscriber's number is the little number in the wide area cluster, if, insertion wide area cluster access code before called subscriber's number, otherwise do not insert the wide area cluster access code; Send SRI (transmission route messages) message to SHLR then, comprising calling subscriber's physical number and called subscriber's number;
(3) SHLR is according to the SRI message content that receives, inquire calling subscriber's logical number (the big number of caller) and judge whether that the calling subscriber has contracted to be inserted with the wide area cluster access code before closed group service and called subscriber's the number, if, execution in step (5); Otherwise, execution in step (4);
(4) SHLR returns the shutdown access code of caller to tandem exchange, to after shutting down access code and analyzing, plays shutdown prompt tone to the calling subscriber by tandem exchange, then, and execution in step (13);
(5) SHLR judges whether calling subscriber or called subscriber have opened calling/called Ring Back Tone service or called one number service, if, then return response message and allow this calling to tandem exchange, comprise in this message: the service access code of the above value-added service that the priority that the user opened is the highest and the big number of caller, carry out next step; Otherwise, include only the big number of caller in this message, execution in step (7);
(6) tandem exchange is kept at it in data field after receiving service access code;
(7) tandem exchange sends the big number of caller and the user's that called out the numbers number to service authentication server;
(8) the big number of caller sent here according to tandem exchange of service authentication server and called subscriber's number inquire called subscriber's big number by inner inquiry mode, and it is returned to tandem exchange;
(9) after tandem exchange receives called big number, send SRI message, wherein carry called subscriber's big number to SHLR;
(10) the SRI message content sent here according to tandem exchange of SHLR, inquire about the business whether calling/called user has also opened other, if, then that priority is high service access code returns to tandem exchange, tandem exchange is after receiving this service access code, it is kept at the data field, and sends SRI message, execution in step (10) to SHLR; Otherwise SHLR is according to the content of SRI message, inquire called subscriber's physical number after, it is returned to tandem exchange;
(11) tandem exchange sends IAM message to called end office, the physical number that wherein includes the called subscriber, receiving called end office after the ACM message (Address Complete Message) that it returns, if calling/called user has also opened value-added service, tandem exchange accesses the service access code that is kept in the data field, and sends IAM message to the corresponding business platform, comprising this professional access code, business platform triggers it after receiving service access code successively; Otherwise directly carry out next step;
(12) called party answer, access success;
(13) finish.
Fig. 2 is the operation flow during the big number of customer call in the closed group, may further comprise the steps:
Step 1: the calling subscriber sends IAM message to end office (EO), comprising calling subscriber's physical number and its called subscriber's that will call out big number, is continued to tandem exchange by end office (EO) again;
Step 2: tandem exchange does not insert the wide area cluster access code before called big number, directly sends SRI message to SHLR;
Step 3:SHLR inquires the big number of caller and tandem exchange is judged to the SRI of its transmission message content, and finding does not have the wide area cluster access code before the big number of called subscriber, so return calling subscriber's shutdown access code to tandem exchange;
Step 4: tandem exchange plays the shutdown prompt tone by end office (EO) to the calling subscriber after the shutdown access code is analyzed.
Operation flow when Fig. 3 is the interior customer call trumpet of closed group sign indicating number may further comprise the steps:
Step 1: the calling subscriber sends IAM message to end office (EO), comprising calling subscriber's physical number and its called subscriber's that will call out little number, is continued to tandem exchange by end office (EO) again;
Step 2: tandem exchange inserts the wide area cluster access code before called subscriber's little number, sends SRI message to SHLR then;
The SRI message content that step 3:SHLR sends here according to tandem exchange, inquire the big number of caller and judge the calling subscriber and contracted and be inserted with the wide area cluster access code before closed group service and called subscriber's the number, then calling subscriber's shutdown access code does not trigger, thereby directly returns the big number of caller to tandem exchange;
Step 4: tandem exchange sends big number of caller and called little number to service authentication server;
Step 5: service authentication server inquires called big number by inner inquiry mode, and it is returned to tandem exchange according to big number of caller and called little number that tandem exchange sends here;
Step 6: after tandem exchange obtains called big number, go up SHLR inquiry called subscriber's physical number once more;
Step 7:SHLR returns called subscriber's physical number;
Step 8: tandem exchange is by called subscriber's physical number continuing called subscriber, access success.
Fig. 4 is interior little number of customer call of closed group and the flow process that triggers calling RBT service, may further comprise the steps:
Step 1: the calling subscriber sends IAM message to end office (EO), and physical number and its called little number that will call out comprising the calling subscriber are continued to tandem exchange by end office (EO) again;
Step 2: tandem exchange inserts the wide area cluster access code before called little number, sends SRI message to SHLR then;
The SRI message content that step 3:SHLR sends here according to tandem exchange, inquire the big number of caller and judge the calling subscriber and contracted and be inserted with the wide area cluster access code before closed group service and called subscriber's the number, then calling subscriber's shutdown access code does not trigger, and calling subscriber's calling RBT service of having contracted is so return the CRBT access code and the big number of caller of caller;
Step 4: tandem exchange does not trigger calling subscriber's Ring Back Tone service at once, but it is kept in the data field after receiving the CRBT access code, sends big number of caller and called little number to service authentication server then;
Step 5: service authentication server inquires called big number by inner inquiry mode, and it is returned to tandem exchange according to big number of caller and called little number that tandem exchange sends here;
Step 6: after tandem exchange receives called big number, go up SHLR inquiry called subscriber's physical number once more;
Step 7:SHLR returns called subscriber's physical number;
Step 8: tandem exchange continues called by physical number, and after tandem exchange returned ACM message, tandem exchange accessed the CRBT access code that is kept in the data field at called end office, and with its triggering;
Step 9: behind the called party answer, CRBT is ended, access success.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.

Claims (10)

1, a kind of method that realizes closed group service is characterized in that, may further comprise the steps:
A) after the user makes a call in the closed group, tandem exchange is as judging that called number is the little number in the wide area cluster, send it to Smart Home Location Register SHLR after then before described called number, inserting the wide area cluster access code, otherwise described called number is directly sent to described SHLR;
B) after described SHLR receives, as judge the calling subscriber contracted closed group service and as described in be inserted with before the called number as described in the wide area cluster access code, then return response message and allow this calling to tandem exchange, carry out next step; Otherwise, notify described tandem exchange to refuse this calling;
C) described tandem exchange continues follow-up call flow.
2, the method for claim 1; it is characterized in that; SHLR described in the step b) notifies described tandem exchange to refuse this calling by the shutdown access code that returns described calling subscriber to described tandem exchange; described tandem exchange plays the shutdown prompt tone to described calling subscriber after described shutdown access code is analyzed.
3, the method for claim 1 is characterized in that, in the step a), described SHLR is mail to described calling subscriber's physical number together with described calling subscriber's number in described tandem exchange; In the step b), described SHLR inquires described calling subscriber's logical number according to calling subscriber's physical number, comprises described calling subscriber's logical number in the described response message.
4, method as claimed in claim 3 is characterized in that, described step c) further may further comprise the steps:
(c1) after described tandem exchange sends described calling subscriber's logical number and called subscriber's number to service authentication server, receive described service authentication server to its described called subscriber's who returns logical number and send it to described SHLR;
(c2) after described SHLR inquires described called subscriber's physical number according to called subscriber's logical number, it is returned to described tandem exchange;
(c3) described tandem exchange receives described called end office to its Address Complete Message that returns, called party answer, access success to called end office transmission called subscriber's physical number.
5, the method for claim 1 is characterized in that, has also disposed the service access code of the value-added service that described calling subscriber and/or called subscriber open among the described SHLR, and is provided with priority for it; In the step b), SHLR is when described tandem exchange sends described response message as described, and the service access code of simultaneously that the priority opened is the highest value-added service returns to described tandem exchange together, and described tandem exchange is kept at described service access code in the data field; The described tandem exchange of step c) in the calling procedure that continue the back, receive described Address Complete Message after, described service access code is sent to business platform corresponding with it successively, by described business platform described value-added service is triggered successively.
6, as claim 4 or 5 described methods, it is characterized in that, step c2) also comprise before: described SHLR inquires about the value-added service whether described calling/called user has also opened other, if, then its service access code is returned to described tandem exchange, described tandem exchange is kept at the data field with it after receiving described service access code, and carries out this step once more; Otherwise, execution in step c).
7, method as claimed in claim 6 is characterized in that, described value-added service comprises: any one in calling/called Ring Back Tone service, the called one number service or its combination.
8, a kind of system that realizes closed group service, comprise tandem exchange, Smart Home Location Register SHLR, service authentication server and end office (EO), it is characterized in that, described tandem exchange is connected with described SHLR by MAP MAP+ agreement, described service authentication server and described tandem exchange set up communication by ICP/IP protocol, use integrated digital service network User Part ISUP standard trunk interconnection between described end office (EO) and described tandem exchange;
Described tandem exchange is used for described end office (EO) is judged to the called subscriber's of its transmission number, if the then preceding wide area cluster access code of inserting of the little number in the wide area cluster, otherwise insert described wide area cluster access code not, send it to described SHLR then, also be used for continuing follow-up call flow receiving described SHLR behind the response message of this calling of permission of its transmission;
Described SHLR is used to judge whether that the calling subscriber has contracted is inserted with described wide area cluster access code before closed group service and described called subscriber's the number, if be used for returning described response message to described tandem exchange and allow this calling; Otherwise, notify described tandem exchange to refuse this calling;
Described service authentication server is used to realize the setting of wide area cluster and the coupling of the interior user's size of group number.
9, system as claimed in claim 8 is characterized in that, has disposed the service access code of the value-added service that described calling subscriber and/or called subscriber open among the described SHLR, and is provided with priority for it; When SHLR when described tandem exchange sends described response message, the service access code of simultaneously that the priority opened is the highest value-added service returns to described tandem exchange together, described tandem exchange also is used for described service access code is kept at the data field.
10, system as claimed in claim 8, it is characterized in that, described tandem exchange also is used for sending described calling subscriber's logical number and called subscriber's number to described service authentication server, and receives described service authentication server to its described called subscriber's who returns logical number and send it to described SHLR; Also be used for sending it to called end office, and receiving described called end office to its Address Complete Message that returns receiving described SHLR behind the described called subscriber's of its transmission physical number;
Described SHLR also is used for receiving described tandem exchange according to it and inquires described called subscriber's physical number to the described called subscriber's of its transmission logical number, and it is returned to described tandem exchange;
Described service authentication server is used for inquiring described called subscriber's logical number and returning to described tandem exchange receiving described tandem exchange behind the described calling subscriber's of its transmission logical number and called subscriber's number.
CN200710127279XA 2007-07-05 2007-07-05 A method for realizing closed group service Expired - Fee Related CN101080042B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101662749A (en) * 2008-08-29 2010-03-03 华为技术有限公司 Method, system and equipment for processing call of same number service
CN102045647B (en) * 2009-10-16 2014-12-10 中兴通讯股份有限公司 Method for acquiring group user relation data in group business and communication equipment

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100531412C (en) * 2005-01-22 2009-08-19 华为技术有限公司 Method of implementing central subscriber exchange in WAN
CN1913550B (en) * 2005-08-08 2010-08-25 广东省电信有限公司研究院 Method for implementing fixed network searching user integrated data base using soft exchange
CN1984355B (en) * 2006-04-04 2011-11-16 华为技术有限公司 System and method for realizing wide-area centrex

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101662749A (en) * 2008-08-29 2010-03-03 华为技术有限公司 Method, system and equipment for processing call of same number service
CN101662749B (en) * 2008-08-29 2013-10-09 华为技术有限公司 Method, system and equipment for processing call of same number service
CN102045647B (en) * 2009-10-16 2014-12-10 中兴通讯股份有限公司 Method for acquiring group user relation data in group business and communication equipment

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