CN1333557C - A method for implementing call control - Google Patents
A method for implementing call control Download PDFInfo
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- CN1333557C CN1333557C CNB2003101238998A CN200310123899A CN1333557C CN 1333557 C CN1333557 C CN 1333557C CN B2003101238998 A CNB2003101238998 A CN B2003101238998A CN 200310123899 A CN200310123899 A CN 200310123899A CN 1333557 C CN1333557 C CN 1333557C
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Abstract
The present invention relates to a method for realizing call control, which is used for a call control process based on an ISUP/TUP protocol. The method comprises the following steps: step A: a virtual trunk circuit control entity is additionally arranged on a conversion device, and virtual trunk circuit resources are configured for a special bureau direction related to the call control on the conversion device; step B: when the conversion device in step A makes a call to a signaling processing device of the special bureau direction, the virtual trunk circuit control entity of the conversion device distributes a virtual trunk circuit resource for the ISUP/TUP protocol from the virtual trunk circuit resources configured by the conversion device according to the special bureau direction of the call; step C: the ISUP/TUP protocol of the conversion device sends the call to the signaling processing device of the special bureau direction according to the distributed virtual trunk circuit resource, and the signaling processing device controls the call and completes call succession with the conversion device.
Description
Technical field
The present invention relates to the calling control technology field in the telecommunication service, relate in particular to based under Integrated Service Digital Network User Part (ISUP)/Telephone User Part (TUP) agreement a kind of method that adopts signalling processing equipment newly-increased in the network that the calling of switching equipment is controlled.
Background technology
Development along with communication network and telecommunication service, currently engendered that following network technology requires: in communication network, increase signalling processing equipment newly, this signalling processing equipment can be handled ISUP/TUP protocol signaling message, and, this signalling processing equipment only need be handled various message and the flow process in the calling, does not need the support of the actual relay circuit that is used to converse.
For example, at present just there is above-mentioned network technology requirement in telecom operators' the whole network IN service of attempting to solve.For solving this whole network IN service, increase the attaching position register (HLR) of fixed network newly, HLR finishes CCF as aforesaid signalling processing equipment with this fixed network: the switch in the network is called out the business that is realized according to this, to fixed network HLR, the signaling message that fixed network HLR controlling call continues is finished the business of required realization with the control switch with call proceeding; In HLR controlling call handshaking procedure, this fixed network HLR need not to participate in conversation, therefore, in fact need between switch and fixed network HLR, not set up repeat circuit, but, owing to require to have the support of repeat circuit based on the calling control technology of ISUP/TUP agreement, otherwise can't carry out the control of adopting this agreement, therefore, in the prior art, between signalling processing equipment and switching equipment, still need real repeat circuit, have following shortcoming thereby cause to adopt existing techniques in realizing to call out and control:
(1) in call control procedure, actual and unwanted relay circuit resources have been wasted: owing to be not that every kind of call business based on ISUP/TUP all must have the support of repeat circuit to realize in the network, some call business based on ISUP/TUP only needs the processing controls of signaling message just can reach this professional purpose, but because in the prior art, the ISUP/TUP protocol requirement must have repeat circuit just can finish call establishment and control procedure, therefore, caused the unnecessary waste of relay circuit resources;
(2) referring to Fig. 1, if adopt the signaling control between existing techniques in realizing signalling processing equipment and the switching equipment, no matter then solve which kind of business, this signalling processing equipment of newly establishing all needs corresponding repeat circuit control hardware, the support of carrying control hardware just shown in Figure 1, and, this signalling processing equipment also need with network in related entities carry out actual repeat circuit and be connected construction, both sides also must carry out actual repeat circuit data configuration thus, thereby the data that cause being disposed on numerous equipment in the network and the equipment need be made amendment, and are unfavorable for professional realization;
(3) referring to Fig. 1, realize professional calling control, support increasing signalling processing equipment newly and must supporting complete ISUP/TUP agreement of Message Transfer Part (MTP) agreement, possesses complete entity of carrying control function, could realize calling out control like this, and above these requirements to the signalling processing equipment that increases newly make that signalling processing equipment is difficult for realizing, realize that the process of related service is also complicated more;
(4) because the treatment facility at repeat circuit two ends is reciprocity, function and agreement flow process that the carrying control of two ends treatment facility, signaling process agreement are carried out are basically identicals, therefore, in case the change of any side generation physical equipment of repeat circuit or the change of configuration data, then opposite equip. also will be done corresponding change thereupon, thereby increased the difficulty of network operation, and be unfavorable for the popularization and the improvement of related service.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method that realizes based on the control of ISUP/TUP protocol call, in the method, do not need repeat circuit just can realize calling out control between signalling processing equipment that increases newly in the network and the switching equipment, the signalling processing equipment that increases newly need not to possess the hardware module relevant with repeat circuit, also need not to carry out actual repeat circuit connection construction and data configuration for calling out control.
For achieving the above object, the invention provides a kind of method that realizes calling out control, this method is applied to the call control procedure based on the ISUP/TUP agreement, may further comprise the steps:
Steps A: newly-increased virtual trunk circuit Control Software entity on switching equipment is the special office direction configuration virtual relay circuit resources relevant with calling out control on this switching equipment;
Step B: the described switching equipment of steps A is when the signalling processing equipment of described special office direction makes a call, the virtual trunk circuit Control Software entity of this switching equipment distributes a virtual trunk circuit resource for the ISUP/TUP agreement according to the special office direction of this calling from the virtual trunk circuit resource that switching equipment disposed;
Step C: the ISUP/TUP agreement of switching equipment sends calling according to the virtual trunk circuit resource that distribution obtains to the signalling processing equipment of special office direction, and this signalling processing equipment is called out control, finishes call proceeding with switching equipment.
Wherein, the relay circuit resources of configuration virtual described in the steps A is:
At the different pieces of information that the special office direction of each calling configures, each data are represented in fact also non-existent each repeat circuit respectively.
Wherein, on switching equipment, comprise described in the steps A for the special office direction configuration virtual relay circuit resources relevant with calling out control:
Carry out the configuration of described virtual circuit at the destination signaling point of each special office direction, the trunk group of these special office directions is configured to use virtual circuit.
Wherein, on switching equipment, comprise described in the steps A for the special office direction configuration virtual relay circuit resources relevant with calling out control:
With the destination address in the switching equipment office direction table is that the repeat circuit of special office direction address is configured to use virtual circuit.
Wherein, the entity of virtual trunk circuit Control Software described in the step B distributes the virtual trunk circuit resource to comprise according to the special office direction of calling out:
Virtual trunk circuit Control Software entity is according to the destination address of described calling, by distributing virtual trunk circuit in the virtual trunk circuit resource that steps A disposed.
Wherein, described switching equipment is called out to the signalling processing equipment transmission of special office direction and is:
Switching equipment makes a call by the signalling processing equipment of signaling link to special office direction.
Wherein, after the step C, this method further comprises:
Described switching equipment release steps B applies for the virtual trunk circuit resource that obtains.
As seen, the present invention has following beneficial effect:
(1) the present invention need not actual repeat circuit support in the process that realizes calling control, therefore, needn't increase the construction of repeat circuit circuit, thereby reduce the networking investment;
(2) in addition, because the present invention adopts software to realize virtual trunk control circuit software entity, therefore, on switching equipment, need not to increase newly any physical equipment and just can realize calling out control, thereby can the physical configuration capacity of switching equipment not exerted an influence, be suitable for the popularization of the business relevant with calling out control;
(3) the virtual circuit resource is the simple data that easy configuration is come out, the complex maintenance that need on physical equipment, be carried out with respect to real repeat circuit, the present invention is to the simple possible of safeguarding of virtual trunk circuit, and, the represented virtual circuit resource that goes out of simple data has high reliability, is suitable for the use of the business relevant with calling out control;
(4) because the present invention adopts virtual trunk circuit to realize calling out control, therefore, signalling processing equipment does not need to realize complete ISUP/TUP agreement, only need to realize that according to specific business need simple control flow gets final product, therefore, reduced requirement, thereby made that signalling processing equipment is easy to realize, be beneficial to the popularization of the business relevant with calling out control to signalling processing equipment.
Description of drawings
Fig. 1 is a calling controlling models schematic diagram of realizing calling out control in the prior art.
Fig. 2 realizes calling out the flow chart of control for the present invention.
Fig. 3 is the schematic diagram that is used to solve a kind of network model that comprises fixed network HLR that the whole network IN service is provided with.
Fig. 4 utilizes method provided by the present invention to realize calling out the flow chart of control.
Embodiment
The present invention is a kind of method that realizes calling out control, this method is applied to the call control procedure based on the ISUP/TUP agreement, on switching equipment, increase virtual trunk circuit Control Software entity newly, management is called out the virtual trunk circuit resource of the relevant special office direction of control with each in this entity, at switching equipment when the signalling processing equipment that is used to call out control makes a call, switching equipment obtains the virtual trunk circuit resource according to the special office direction application of this calling, and this virtual trunk circuit resource offered the ISUP/TUP agreement, thereby make that switching equipment is able to send calling by signaling link to signalling processing equipment, after signalling processing equipment is received calling, call out control, finish continuing of calling with switching equipment.
Describe the present invention below in conjunction with accompanying drawing.
Referring to Fig. 2, the present invention realizes that control needs following steps based on the ISUP/TUP protocol call:
Steps A: in the switching equipment relevant, set up a virtual trunk circuit Control Software entity with calling out control, and configuration is called out the virtual trunk circuit resource of the relevant special office direction of control with each on this switching equipment, wherein, management is called out the virtual trunk circuit resource of the relevant special office direction of control with each in the virtual trunk circuit Control Software entity, this relay circuit resources is the different pieces of information that special office direction disposed out at each calling, each data are represented in fact also non-existent each repeat circuit respectively, in embodiments of the present invention, adopt following method to realize this step:
On switching equipment, set up virtual trunk circuit Control Software entity, simultaneously, on this switching equipment, will be configured to use virtual circuit with the trunk group of calling out relevant special office direction; In embodiments of the present invention, carry out the configuration of virtual circuit, the trunk group of these special office directions is configured to use virtual circuit at the destination signaling point of each special office direction; In other embodiment of the present invention, also can adopt the mode that in switching equipment office direction table, is configured to realize the configuration of virtual circuit, with destination address in the office direction table is that the repeat circuit of special office direction address is configured to use virtual circuit, and this kind mode does not influence realization of the present invention;
Step B: carried out switching equipment as virtual circuit configuration as described in the steps A, needs according to the business of required execution, make a call to calling out relevant special office direction with this, wherein, in this step, this special office direction is the signalling processing equipment that is used for controlling call, at this switching equipment when signalling processing equipment makes a call, virtual trunk circuit Control Software entity on this switching equipment is according to the destination address of this calling, by distributing a virtual trunk circuit to offer the ISUP/TUP agreement in the virtual trunk circuit resource that steps A disposed, after ISUP/TUP obtained virtual trunk circuit, switching equipment made a call to signalling processing equipment by signaling link;
Step C: signalling processing equipment is received the calling that switching equipment sends, according to business need controlling call process.
Below in conjunction with a concrete entity, a concrete application of the calling-control method based on the ISUP/TUP agreement provided by the present invention is introduced:
Figure 3 shows that telecom operators are for solving a kind of network model that comprises fixed network HLR that business such as the whole network intelligence are provided with, dotted line among the figure is a signaling link, wherein, in order to narrate conveniently, Fig. 3 only shows the situation that comprises two end office (EO)s and a fixed network HLR, networking also has more complicated situation, such as the situation that comprises Service Switching Point, gateway exchange, toll switch etc.; In Fig. 3, after introducing fixed network HLR, the fixed network user may have two telephone numbers, be respectively logical number and physical number, wherein, logical number is the telephone number that the user outwards announces, the number dialed of this user of other customer contact just, physical number then is to physical label that should the user in the end office (EO), this physical label is externally also invisible, fixed network HLR among Fig. 3 mainly finishes the conversion between the logical number and physical number in the calling, cooperates the switch in the network to finish continuing of calling together;
Referring to Fig. 4, as originating switch, the LS2 of end office (EO) is as called end office with the LS1 of end office (EO) among Fig. 3, and the end office (EO) among Fig. 3 cooperates realization call control procedure specifically to may further comprise the steps with fixed network HLR:
Step 401: the LS1 of end office (EO) at first mails to fixed network HLR to calling, the LS1 of end office (EO) has set up an as above end office (EO) of the described virtual trunk circuit Control Software of steps A entity, therefore, virtual trunk circuit Control Software entity among the LS1 of end office (EO) is according to the destination address that is made a call, the configuration of the virtual trunk circuit that utilization is preserved in this end office (EO) distributes a virtual trunk circuit resource to give the ISUP/TUP agreement;
After step 402:ISUP/TUP agreement obtains this virtual trunk circuit resource, LS1 utilizes this virtual trunk circuit resource to send IAM message to this fixed network HLR, the Destination Point Code of message (DPC) is the signaling point code of fixed network HLR, thereby HLR makes a call to fixed network, wherein, in this IAM message, comprise the physical number of caller and called logical number;
Step 403: after fixed network HLR receives this IAM message, carry out the calling number inquiry, caller physical number included in the IAM message is transformed to the caller logical number, then, return ACM message to originating switch LS1, comprise the caller logical number after the conversion in this ACM message, after LS1 receives ACM message, the caller physical number is replaced with this caller logical number;
Step 404: fixed network HLR carries out the called number inquiry, with called logical FH-number transform entrained in the IAM message in the step 402 is called physical number, then, send REL message to the LS1 of end office (EO), comprise in this message send elsewhere the sign and conversion after called physical number, after the LS1 of end office (EO) receives this REL message, be called physical number, and carry out the routing striking out according to the called physical number after the conversion with former called logical FH-number transform;
Step 405: the LS1 of end office (EO) sends RLC message to fixed network HLR, to discharge the virtual trunk circuit between LS1 of end office (EO) and the fixed network HLR;
Step 406～step 407: the LS1 of end office (EO) basis is pressed caller logical number and the called physical number after the as above step conversion, sends IAM message to the LS2 of end office (EO), comprises caller logical number and called physical number in this IAM message; The LS2 of end office (EO) returns ACM message to LS1 after receiving this IAM message, thereby finishes the call proceeding process;
In above step, the control that fixed network HLR only calls out, thereby signaling message is handled the handshaking procedure of controlling call, fixed network HLR does not participate in actual speech channel, need not to set up repeat circuit between fixed network HLR and the end office (EO), therefore, utilize the calling-control method based on the ISUP/TUP agreement provided by the present invention to can be good at realizing this call control procedure.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1, a kind of method that realizes calling out control, this method is applied to the call control procedure based on the ISUP/TUP agreement, it is characterized in that, and this method may further comprise the steps:
Steps A: newly-increased virtual trunk circuit Control Software entity on switching equipment is the special office direction configuration virtual relay circuit resources relevant with calling out control on this switching equipment;
Step B: the described switching equipment of steps A is when the signalling processing equipment of described special office direction makes a call, the virtual trunk circuit Control Software entity of this switching equipment distributes a virtual trunk circuit resource for the ISUP/TUP agreement according to the special office direction of this calling from the virtual trunk circuit resource that switching equipment disposed;
Step C: the ISUP/TUP agreement of switching equipment sends calling according to the virtual trunk circuit resource that distribution obtains to the signalling processing equipment of special office direction, and this signalling processing equipment is called out control, finishes call proceeding with switching equipment.
2, method according to claim 1 is characterized in that, the relay circuit resources of configuration virtual described in the steps A is:
At the different pieces of information that the special office direction of each calling configures, each data are represented in fact also non-existent each repeat circuit respectively.
3, method according to claim 1 and 2 is characterized in that, comprises for the special office direction configuration virtual relay circuit resources relevant with calling out control on switching equipment described in the steps A:
Carry out the configuration of described virtual circuit at the destination signaling point of each special office direction, the trunk group of these special office directions is configured to use virtual circuit.
4, method according to claim 1 and 2 is characterized in that, comprises for the special office direction configuration virtual relay circuit resources relevant with calling out control on switching equipment described in the steps A:
With the destination address in the switching equipment office direction table is that the repeat circuit of special office direction address is configured to use virtual circuit.
5, method according to claim 1 is characterized in that, the Control Software of virtual trunk circuit described in step B entity distributes the virtual trunk circuit resource to comprise according to the special office direction of calling out:
Virtual trunk circuit Control Software entity is according to the destination address of described calling, by distributing virtual trunk circuit in the virtual trunk circuit resource that steps A disposed.
6, method according to claim 1 is characterized in that, described switching equipment is called out to the signalling processing equipment transmission of special office direction and is:
Switching equipment makes a call by the signalling processing equipment of signaling link to special office direction.
7, method according to claim 1 is characterized in that, after the step C, this method further comprises:
Described switching equipment release steps B applies for the virtual trunk circuit resource that obtains.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2003101238998A CN1333557C (en) | 2003-12-30 | 2003-12-30 | A method for implementing call control |
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| CNB2003101238998A CN1333557C (en) | 2003-12-30 | 2003-12-30 | A method for implementing call control |
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| CN1635749A CN1635749A (en) | 2005-07-06 |
| CN1333557C true CN1333557C (en) | 2007-08-22 |
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| CNB2003101238998A Expired - Fee Related CN1333557C (en) | 2003-12-30 | 2003-12-30 | A method for implementing call control |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100394735C (en) * | 2004-09-02 | 2008-06-11 | 西安大唐电信有限公司 | Method for transmitting news on signalling link based on No.7 signalling system |
| CN101227736B (en) | 2007-12-27 | 2011-08-10 | 华为技术有限公司 | Call control method and communication system as well as related equipment |
| CN101742486B (en) * | 2008-11-10 | 2013-03-06 | 郭佳 | Tag communication method as well as mobile phone and system supporting same |
| CN101505493A (en) * | 2009-03-20 | 2009-08-12 | 中兴通讯股份有限公司 | Method and apparatus for implementing signaling link fault processing under multiple signaling point configurations |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1130282A (en) * | 1994-11-09 | 1996-09-04 | 三星电子株式会社 | Multi-layer information disc and its producing method |
| EP0953240A1 (en) * | 1996-11-22 | 1999-11-03 | Sprint Communications Company, L.P. | Telecommunications system |
| CN1238876A (en) * | 1996-11-22 | 1999-12-15 | 斯普林脱通讯有限公司 | Broadband telecommunications system |
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2003
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1130282A (en) * | 1994-11-09 | 1996-09-04 | 三星电子株式会社 | Multi-layer information disc and its producing method |
| EP0953240A1 (en) * | 1996-11-22 | 1999-11-03 | Sprint Communications Company, L.P. | Telecommunications system |
| CN1238876A (en) * | 1996-11-22 | 1999-12-15 | 斯普林脱通讯有限公司 | Broadband telecommunications system |
Non-Patent Citations (1)
| Title |
|---|
| 基于通用呼叫控制模型的软交换体系设计 李亚波，陈俊亮，苏森，通信学报，第24卷第3期 2003 * |
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