CN101242587B - A method and communication system for realizing wide-area group service - Google Patents
A method and communication system for realizing wide-area group service Download PDFInfo
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- CN101242587B CN101242587B CN 200810081658 CN200810081658A CN101242587B CN 101242587 B CN101242587 B CN 101242587B CN 200810081658 CN200810081658 CN 200810081658 CN 200810081658 A CN200810081658 A CN 200810081658A CN 101242587 B CN101242587 B CN 101242587B
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Abstract
The present invention provides a method and communication system for achieving wide area group service, keeping signal and logic number of group user and corresponding small number of the wide area group on the home location register of the exchanging equipment communication in multiple switched network; when the calling side exchanging equipment receiving the call request of the wide area group service, if judging called being other group user, sponsoring inquiry request to the home location register, carrying the called small number of and calling logic number inquired in the local; the home location register determining the group number of wide area group of the calling after receiving inquiry request, and determining called logic number by combining the called small number, then requesting the called routing number and returning to the calling side exchanging equipment; the calling side exchanging equipment routing to the called exchanging equipment by the routing number and completing the call. The system and method of the invention achieves the wide area group service on the basis of utilizing the present equipment in the network as possible.
Description
Technical field
The present invention relates to the business realizing of wide area cluster in a kind of communication network field, in particular, relate to a kind of method and communication system that realizes wide-area group service.
Background technology
Along with communication network constantly merges, wide area cluster user's (perhaps being called large users in commerce group) not only can stride a plurality of switching networks, and has simultaneously the polytype network, such as: fixed network, developing from pas network, mobile network.
It mainly is following several method that wide-area group service will be provided at present:
A kind ofly be: realize that by introducing intelligent service platform or other server platforms this method need to increase equipment, has strengthened operation cost, and the group business that original switching equipment is realized can't provide.
Another kind is: the storage of each switching equipment comprises the number corresponding relation data of all users in commerce group of his group user of office, and each switching equipment can be in this part data of local search; This method is numerous because of the existing network switching equipment, need all switching equipment of all producers all to realize such data storing queries function difficulty, and the modification of group user's data all switching equipment of need to being correlated with are made amendment, when particularly striding heterogeneous networks, the putting maintenance into practice difficulty does not have operability.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of method and communication system that realizes wide-area group service, can realize wide-area group service on the basis that utilizes as far as possible the existing equipment in the network.
In order to address the above problem, the invention provides a kind of method that realizes wide-area group service, be applied to comprise the communication system of a plurality of switching networks, the method may further comprise the steps:
(a) attaching position register that can communicate by letter with switching equipment in described a plurality of switching networks is preserved group number and user inside the group's logical number and the corresponding little number of wide area cluster;
(b) after the described switching equipment of Calling Side is received the call request of wide-area group service, as judge called his the group user of office that is, then initiate query requests to described attaching position register, carry the called little number that caller dials and the caller logical number that arrives at local search in the request;
(c) after described attaching position register is received described query requests, determine the group number of wide area cluster under the caller according to the caller logical number, determine the called logical number in conjunction with called little number again, then inquiry obtains called routing number and it is turned back to described Calling Side switching equipment;
(d) described Calling Side switching equipment is routed to called switching equipment according to described routing number, finishes calling.
Further, step (a) before, an attaching position register that first attaching position register of described a plurality of switching networks permeated is preserved group number and the user inside the group's of wide area cluster logical number and corresponding little number at this attaching position register; Perhaps
Step (a) before, attaching position register at described a plurality of switching networks increases the one-level attaching position register first, in the attaching position register of this increase, preserve group number and the user inside the group's of wide area cluster logical number and corresponding little number, after the attaching position register of step (c) next stage is received the query requests of Calling Side switching equipment, inquiry obtains described called routing number in the attaching position register of upper level, returns to the Calling Side switching equipment.
Further, described a plurality of switching network can be preserved group number and the user inside the group's of wide area cluster logical number and corresponding little number on the switching equipment of described attaching position register inquiry;
After the Calling Side switching equipment is received the call request of wide-area group service, as judge called when the local exchange group user, then determine the group number of wide area cluster under the caller according to the caller logical number, determine the called logical number by this group number and called little number, inquire again called routing number, finish call proceeding at local exchange.
Further, described a plurality of switching network comprises fixed network, developing from pas network, mobile network's combination in any.
Further, as called be the fixed network user, called routing number is called physical number; In the step (c), described attaching position register inquires the called logical number by described wide area cluster group number and called little number, inquires called physical number by described logical number again;
As called be mobile network user or Personal Handyphone System user, called routing number is roaming number, step
(c) in, described attaching position register inquires the called logical number by described wide area cluster group number and called trumpet, visits again the Visited Location Registor under the described called subscriber, obtains roaming number.
In order to address the above problem, the invention provides a kind of communication system that realizes wide-area group service, comprise the switching network of a plurality of intercommunications, comprise interconnective switching equipment in these switching networks, also comprise the attaching position register that can communicate by letter with switching equipment in the described switching network, wherein:
Preserve group number and user inside the group's logical number and the corresponding little number of wide area cluster in the described attaching position register, after receiving the query requests of described switching equipment, determine the group number of wide area cluster under the caller according to the caller logical number, determine the called logical number in conjunction with described group number and called little number, then inquiry obtaining called routing number and it is turned back to described switching equipment;
After described switching equipment is received the call request of wide-area group service, as judge called his the group user of office that is, then initiate query requests to described attaching position register, carry the called little number that caller dials and the caller logical number that arrives at local search in the request, after receiving the called routing number that described attaching position register returns, be routed to called switching equipment, finish calling.
Preferably, described attaching position register is used for the data that there is the user in administrative institute, the group number and user inside the group's logical number and the corresponding little number that comprise wide area cluster, this attaching position register be for newly-increased, or in the original attaching position register of described switching network one.
Preferably, described attaching position register is at the newly-increased one-level attaching position register of the attaching position register of described a plurality of switching networks, after original next stage attaching position register is received the query requests of Calling Side switching equipment, attaching position register inquiry to this newly-increased upper level obtains described called routing number, returns to the Calling Side switching equipment.
Preferably, preserve group number and user inside the group's logical number and the corresponding little number of wide area cluster on the switching equipment of described switching network; Described switching equipment is after the call request of the wide-area group service of receiving the called local exchange group user of being, determine the group number of wide area cluster under the caller according to the caller logical number, determine the called logical number by this group number and called little number, inquire again called routing number, finish call proceeding at local exchange.
Preferably, described a plurality of switching network comprises fixed network, developing from pas network, mobile network's combination in any, described switching equipment is the core control switching equipment that can communicate by letter with attaching position register in these networks, and wherein the core control equipment of fixed network is traditional programme-controlled exchange or Softswitch.
Beneficial effect of the present invention:
The present invention compared with prior art the invention solves in the present communication network, strides the problem of implementation of a plurality of networks, a plurality of switching equipment wide area cluster, need to not consist of intelligent service platform by other oil (gas) filling device in existing network, has reduced the investment operation cost; Do not need to expand switching device interface, be convenient to the devices from different manufacturers realization wide-area group service that interconnects; All kinds of supplementary services of group user that each switching equipment is realized (such as: pick-up service etc.) in this switching equipment group user scope, still can keep realization, also can realize striding switching equipment user's group business by message field between the expansion switching equipment.
Description of drawings
Fig. 1 is the flow chart of the method for the invention;
Fig. 2 is the schematic diagram that HLR is connected with switching equipment in the system of the present invention;
Fig. 3 is the flow chart of the method for the invention preferred embodiment.
Embodiment
Scheme provided by the invention is to unify to store large business group data by attaching position register in the network (HLR:Home Location Register).
Provide professional, unified operation management for the ease of the whole network unification, while and mobile network merge evolution, and traditional fixed network has been carried out the networking intellectualized reconstruction, has introduced Smart Home Location Register, have carried out the unified centralized management of data.In mobile network, developing from pas network, HLR is existing equipment, utilizes like this existing equipment in the network, does not increase equipment investment, has solved many networks, the unified difficulty of a plurality of switching equipment data.
At present for fixed network, part is that the switch device in original tandem exchange carries out the intelligent network transformation, is accomplished to the data query of HLR equipment, the professional triggering as the switch device of tandem exchange; Also have part to finish the intelligent network transformation by flexible exchanging network.Flexible exchanging network is that the network platform system integrated services such as voice, data, multimedia, full standard open can be provided simultaneously.Softswitch is as core control equipment, mainly finish the major functions such as calling is controlled, the access control of media gateway, resource distribution, protocol processes, route, authentication, charging, and can provide various basic services and supplementary service to the user, namely finish the data query of HLR equipment, the professional triggering by Softswitch.Certainly also there are above-mentioned two kinds of simultaneous overlay networks of network.Hereinafter will be referred to as tandem exchange's switching equipment to the fixed network switching equipment of HLR inquiry.
With embodiment technical scheme of the present invention is elaborated with reference to the accompanying drawings.
The wide area cluster user of present embodiment comprises fixed network users, developing from pas network user, mobile network user, so the system of present embodiment has comprised these networks.Owing to all have HLR equipment in above a plurality of switching networks, present embodiment is had user's data by a HLR administrative institute by the HLR fusion, so-called HLR fusion refers to replace original several HLR by a HLR, and this HLR can increase newly, also can be among the original HLR.In the network integration evolution process, itself increase HLR words that just with newly-increased, if not newly-increased just with one among original HLR.In other embodiments, also can be by increase one-level HLR equipment at existing network, wide area cluster user's data are kept among the HLR of upper level, and the HLR of each network can be to its inquiry group user's data.Concrete mode can be implemented according to concrete network condition.Above-mentioned newly added equipment does not bring by this invention is professional, but the existence of network Development own.
As shown in Figure 1, attaching position register HLR (presentation logic entity) is connected with fixed network, developing from pas network and mobile network's core control switching equipment simultaneously.In the literary composition, the core control equipment to the HLR inquiry in these networks is commonly referred to as switching equipment, is used for being accomplished to data query, the call business control of HLR.Close in the data management at faciation simultaneously, set up wide area cluster at each switching equipment, such as: group number and group's attribute data.
Each switching equipment is used for when the user applies for adding wide area cluster, storage is local group user's data separately, the group number and user inside the group's logical number and the corresponding little number that comprise wide area cluster, after the calling of receiving the calling subscriber, as at local search less than the wide area cluster user of called he office, initiate inquiry to HLR equipment, carry caller logical number and called little number; After receiving the called routing number that HLR returns, switching equipment is routed to corresponding exchange by number analysis again, finishes calling.
The user data of HLR equipment control is not limited to the fixed network data, manages simultaneously developing from pas network, mobile network data.When a user applies for adding wide area cluster, the group of wide area cluster number and user inside the group's logical number and corresponding little number under the HLR storage user; When receiving the query requests of switching equipment, HLR obtains calling subscriber place wide area cluster group number by the caller logical number, determines the called logical number by group number and called trumpet again, and then inquires called routing number and return to switching equipment.
Herein, user's little number refers to that the wide area user inside the group dials the short codes of use mutually, and logical number refers to that operator distributes to user's one number, also is the number that the user outwards announces.When the user when called, be the number that the calling party dials, also be simultaneously the number of the identification user of operator and charging.Operator distributes to user's routing number and does not outwards announce, and is the intercom number of network.Called when being the fixed network user, routing number is called physical number, certain port or subscribers feeder in the corresponding fixed switch, and the local network switching equipment can be according to this number addressing user's true place.Called when being mobile network and developing from pas network user, routing number is roaming number.
The present embodiment system also comprises the miscellaneous equipment in each switching network, as transferring by gateway exchange equipment between the end office (EO) in the fixed network, fixed network switching equipment and the mobile network's switching equipment, because the function of these equipment does not change, and no longer describes here.
As shown in Figure 2, the performing step of described method is as follows:
Step S101: user A calls out his the group user B of office, carries called little number in the call request;
If user A belongs to the user of fixed network end office (EO), then be routed to tandem exchange's switching equipment by end office (EO), tandem exchange's switching equipment is the HLR query point.If the user belongs to the Personal Handyphone System user, Personal Handyphone System switching equipment (IGW:Interconnected Gate Way) is the HLR query point, if the user belongs to the mobile network user, then mobile switch equipment (MSC Mobile:service Switch Center) is the HLR query point.
Step S102: the switching equipment of Calling Side is in local search caller and called party information, wherein caller information comprises the caller logical number, can also comprise the group number of wide area cluster under the caller and the little number of caller, this moment at local search less than he the wide area cluster user B of office, this switching equipment is initiated inquiry to HLR, carries caller logical number and called little number;
If called when being local exchange switching equipment group user, switching equipment can be at local search to the called subscriber, specifically can determine according to the caller logical number group number of wide area cluster under the caller, number determine the called logical number with called little number by this group, and then can inquire called routing number.At this moment, can directly finish call proceeding at local exchange.
After step S103:HLR receives the query requests of switching equipment, determine the group number of caller place wide area cluster to determine the called logical number by this group number with called trumpet according to the caller logical number, inquire again called routing number;
Store the logical number of group user in the group number of wide area cluster and each group and corresponding little number among the HLR.If called is the fixed network user, HLR inquires the called logical number by group number and called trumpet, inquires physical number by logical number again; If called is mobile network user and Personal Handyphone System user, HLR inquires the called logical number by group number and called trumpet, VLR (Visited Location Registor, mobile and Personal Handyphone System switching equipment is realized the VLR function usually) obtains called roaming number under visiting again the called subscriber.
Step S104:HLR returns called routing number to the Calling Side switching equipment;
Step S105: the Calling Side switching equipment is routed to called switching equipment according to called routing number analysis, finishes calling.
Shown in Figure 3, be flow chart of using example of the present invention.
The wide area cluster that forms take fixed network user and mobile subscriber (perhaps Personal Handyphone System user) in this example illustrates as example, it is the example explanation that fixed network user A calls out mobile subscriber B, fixed network user A is the user of end office (EO), need to be routed to first tandem exchange, carries out the HLR inquiry by tandem exchange's switching equipment.
Step S201: calling subscriber A dials the interior little number of group of called subscriber B.Originating switch sends IAM message to fixed network tandem exchange, carries the physical number of calling subscriber A and the trumpet of called subscriber B.
Step S202: fixed network tandem exchange inquires the caller relevant information in local VLR, obtain the logical number A ' of calling subscriber A, by logical number inquiry calling service, obtain caller group number and little number, inquiry is less than called small size corresponding user data in VLR, fixed network tandem exchange initiates the SRI query messages to HLR, carries caller logical number and called trumpet;
Step S203:HLR finds group number according to the caller logical number, and finds the called logical number by group number and called trumpet, then returns roaming number by PRN message request mobile switch equipment;
Step S204: mobile switch equipment returns to HLR by PRN Ack message with roaming number;
Step S205:HLR returns to fixed network tandem exchange by SRI Ack message with called roaming number;
Step S206: fixed network tandem exchange is routed to called switching equipment according to the roaming number of receiving, continues.
Although pass through with reference to the preferred embodiments of the present invention, the present invention is illustrated and describes, but it is apparent to those skilled in the art that and to do various changes to it in form and details, and do not depart from thought of the present invention and the scope that appended claims limits.
Claims (8)
1. method that realizes wide-area group service is applied to comprise the communication system of a plurality of switching networks it is characterized in that the method may further comprise the steps:
(a) attaching position register that can communicate by letter with switching equipment in described a plurality of switching networks is preserved group number and user inside the group's logical number and the corresponding little number of wide area cluster;
(b) after the described switching equipment of Calling Side is received the call request of wide-area group service, as judge called his the group user of office that is, then initiate query requests to described attaching position register, carry the called little number that caller dials and the caller logical number that arrives at local search in the request;
(c) after described attaching position register is received described query requests, determine the group number of wide area cluster under the caller according to the caller logical number, again in conjunction with wide area cluster under the described caller group number with called little number determine the called logical number, then the inquiry obtaining called routing number and it turned back to described Calling Side switching equipment;
(d) described Calling Side switching equipment is routed to called switching equipment according to described routing number, finishes calling;
Described small size code refers to that the wide area user inside the group dials the short codes of use mutually; Described logical number refers to that operator distributes to user's one number, also is the number that the user outwards announces.
2. the method for claim 1 is characterized in that,
Described a plurality of switching network can be preserved group number and the user inside the group's of wide area cluster logical number and corresponding little number on the switching equipment of described attaching position register inquiry;
After the Calling Side switching equipment is received the call request of wide-area group service, as judge called when the local exchange group user, then determine the group number of wide area cluster under the caller according to the caller logical number, determine the called logical number by this group number and called little number, inquire again called routing number, finish call proceeding at local exchange.
3. method as claimed in claim 1 or 2 is characterized in that, described a plurality of switching networks comprise fixed network, developing from pas network, mobile network's combination in any.
4. method as claimed in claim 3 is characterized in that:
As called be the fixed network user, called routing number is called physical number; In the step (c), described attaching position register inquires the called logical number by described wide area cluster group number and called little number, inquires called physical number by described logical number again;
As called be mobile network user or Personal Handyphone System user, called routing number is roaming number, in the step (c), described attaching position register inquires the called logical number by described wide area cluster group number and called trumpet, visit again the affiliated Visited Location Registor of described called subscriber, obtain roaming number.
5. communication system that realizes wide-area group service, the switching network that comprises a plurality of intercommunications, comprise interconnective switching equipment in these switching networks, it is characterized in that: also comprise the attaching position register that can communicate by letter with switching equipment in the described switching network, wherein:
Preserve group number and user inside the group's logical number and the corresponding little number of wide area cluster in the described attaching position register, after receiving the query requests of described switching equipment, determine the group number of wide area cluster under the caller according to the caller logical number, determine the called logical number in conjunction with described group number and called little number, then inquiry obtaining called routing number and it is turned back to described switching equipment;
After described switching equipment is received the call request of wide-area group service, as judge called his the group user of office that is, then initiate query requests to described attaching position register, carry the called little number that caller dials and the caller logical number that arrives at local search in the request, after receiving the called routing number that described attaching position register returns, be routed to called switching equipment, finish calling;
Described small size code refers to that the wide area user inside the group dials the short codes of use mutually; Described logical number refers to that operator distributes to user's one number, also is the number that the user outwards announces.
6. system as claimed in claim 5, it is characterized in that: described attaching position register is used for the data that there is the user in administrative institute, the group number and user inside the group's logical number and the corresponding little number that comprise wide area cluster, this attaching position register is for newly-increased, or in the original attaching position register of described switching network one.
7. such as claim 5 or 6 described systems, it is characterized in that:
Preserve group number and user inside the group's logical number and the corresponding little number of wide area cluster on the switching equipment of described switching network; Described switching equipment is after the call request of the wide-area group service of receiving the called local exchange group user of being, determine the group number of wide area cluster under the caller according to the caller logical number, determine the called logical number by this group number and called little number, inquire again called routing number, finish call proceeding at local exchange.
8. such as claim 5 or 6 described systems, it is characterized in that, described a plurality of switching network comprises fixed network, developing from pas network, mobile network's combination in any, described switching equipment is the core control switching equipment that can communicate by letter with attaching position register in these networks, and wherein the core control equipment of fixed network is traditional programme-controlled exchange or Softswitch.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1558685A (en) * | 2004-01-19 | 2004-12-29 | 中兴通讯股份有限公司 | A method for implementing cross-office wide area business group based on SPC exchange |
| CN1984345A (en) * | 2001-11-29 | 2007-06-20 | 松下电器产业株式会社 | Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same |
| CN101076132A (en) * | 2007-06-27 | 2007-11-21 | 中兴通讯股份有限公司 | Method for suporting intelligent service by customer in centralized user switchboard service packet |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1984345A (en) * | 2001-11-29 | 2007-06-20 | 松下电器产业株式会社 | Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same |
| CN1558685A (en) * | 2004-01-19 | 2004-12-29 | 中兴通讯股份有限公司 | A method for implementing cross-office wide area business group based on SPC exchange |
| CN101076132A (en) * | 2007-06-27 | 2007-11-21 | 中兴通讯股份有限公司 | Method for suporting intelligent service by customer in centralized user switchboard service packet |
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Effective date of registration: 20170825 Address after: 410000, No. 265 Ring North Road, jade lake town, Ningxiang County, Changsha, Hunan Patentee after: Gao Xiutao Address before: 518057 Nanshan District high tech Industrial Park, Guangdong, South Road, science and technology, ZTE building, legal department Patentee before: ZTE Corporation |
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Address after: 541002 No. two, No. 5, West Road, Xiangshan District, Guilin, the Guangxi Zhuang Autonomous Region Patentee after: Gao Xiutao Address before: 410000, No. 265 Ring North Road, jade lake town, Ningxiang County, Changsha, Hunan Patentee before: Gao Xiutao |
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