CN100459809C - Calling continuing method and system based on intelligent network control - Google Patents
Calling continuing method and system based on intelligent network control Download PDFInfo
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- CN100459809C CN100459809C CNB2006100370381A CN200610037038A CN100459809C CN 100459809 C CN100459809 C CN 100459809C CN B2006100370381 A CNB2006100370381 A CN B2006100370381A CN 200610037038 A CN200610037038 A CN 200610037038A CN 100459809 C CN100459809 C CN 100459809C
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Abstract
A connection method based on intelligent network controlled call includes triggering communication service to intelligent network service platform by soft interchange device (SID) according to service settings of terminal unit corresponding to called number, connecting call to terminal unit bound with called number by SID according to logon information of terminal unit, down-sending connection message containing a calling number corresponding to calling end to SID by intelligent network service platform if said call is failure and connecting call to terminal unit corresponding to called number by SID according to said connection message. The connection system for realizing said method is also disclosed.
Description
Technical field
The present invention relates to call proceeding control technology field, especially relate to a kind of call connection method and system based on intelligent network.
Background technology
" the whole network intellectuality " is based on " switch+intelligent network " equipment as the most effective speech business bearer network, it is born and makes full use of intelligent network control switch and carry out call proceeding, realize real time billing simultaneously, finish services such as Advice of Charge at the End of Conversation, promptly utilize the powerful traffic handing capacity of intelligent network, business function characteristic flexibly, and, can provide than general switch and more high-quality business function and the service of common intelligent network for the user in conjunction with the switched connection function of switch.
Because the whole network intellectuality makes full use of the call proceeding of intelligent network and controls the mentality of designing that is separated with calling, avoided existing switching equipment technical bottleneck, therefore, it has realized the intellectuality operation of bearer network, for the client provides numerous unprecedented new business, new function.
Such as, the terminal roaming business is a novel business of developing in the whole network intellectuality, the calling control that its combined with intelligent network service platform provides and the call proceeding of Softswitch, by distributing virtual-number to bind mutually, realize the mobile roaming function of calling terminal with the physical number of user terminal.
According to intelligent network application protocol (Intelligent Network Application Protocol INAP), realizes seeing shown in Figure 1ly like professional flow process with the terminal roaming service class, specifically comprises following performing step:
Step s100: Softswitch (such as, be Service Switching Point (Service Switch Point, SSP)) by to the intelligent network business platform (such as, be service control point (Service Control Point, SCP)) send initialization detecting point (Initial Detect Point, IDP) IDP message is initiated call attempt;
Step s110:SCP reports Basic Call State Model BCSM to SSP transmission request, and (state variation that detects detecting point (DP) with request SSP reports to SCP for Basic Call StateModel, the BCSM) message of incident;
Step s120:SCP control connection to number is 999999 user terminal, and wherein, it is 999999 routing iinformation that 1234 expressions of the prefix of number are connected to number;
Step s130:SSP detects the state variation of detecting point, reports the BCSM event message to SCP, and the expression connection failure is specially:
DP4 represents to be connected to the route selection failure that number is 999999 user terminal;
DP5 represents that number is that 999999 user terminal is in the state of " doing ";
DP6 represents that number is 999999 user terminal no response;
Step s140:SCP will be to calling terminal play cuing information, and prompting calling terminal input another one call number (666666);
Step s150: behind the calling terminal incoming call number 666666, SSP reports to SCP with number information;
Step s160:SCP sends the message of request BCSM incident to SSP;
Step s170:SCP control connection is 666666 user terminal to number;
Step s180: after calling terminal/called end on-hook, report the message of BCSM incident, be specially DP9: the state information of expression calling terminal/called end on-hook;
Step s190:SCP control will and SSP between the call path set up take out stitches.
As can be seen from the above, in the method for the mobile roaming function of existing realization calling terminal, need bind mutually with the physical number of user terminal by distributing virtual-number.And the number resource of telecom operators is limited, and the user often has a plurality of terminals, if be all assignment numbers of each terminal, resource consumption is bigger, can cause the Service Dialing Numbers inadequate resource like this;
In addition, when user applies after the number binding business, for example, as the calling terminal call distribution during fixed telephone of physical number, will continue by the selection that terminal is carried out in the business control of intelligent network, if a Personal Handyphone System has been bound this called number, after calling out the PAS terminal failure, can continue to trigger the business control of intelligent network, this Personal Handyphone System again continues, form professional repeated trigger, now still do not have good method to prevent the repeated trigger that this is professional.
Summary of the invention
The objective of the invention is to propose a kind of call connection method and system based on intelligent network control, on the intelligentized basis of the whole network, to propose a kind of new service implementation method, it is the intelligentized Personal Communications Services implementation method of the whole network, utilize intelligent network control switch to carry out call proceeding, realize that a Subscriber Number is applied to the call proceeding of a plurality of terminal equipments simultaneously.
For addressing the above problem, the present invention discloses a kind of call connection method based on intelligent network control, and comprise step: calling terminal makes a call to the terminal equipment of a called number correspondence; Key is also to comprise the steps:
A. described Softswitch triggers communication service to the intelligent network services platform according to the business setting of the terminal equipment of described called number correspondence;
B. described intelligent network services platform is according to the log-on message of the terminal equipment of described called number correspondence, by the terminal equipment of described Softswitch with the extremely described called number binding of described call proceeding.
Among the described step b, the call failure as if the terminal equipment that described called number is bound then also comprises the steps:
C. described intelligent network services platform issues second connection message that comprises the expanding value information that is used to prevent the repeated trigger communication service to described Softswitch, described Softswitch is according to described second connection message, with the terminal equipment of described call proceeding to described called number correspondence.
Described step b specifically comprises:
B1. described intelligent network services platform is according to the log-on message of the terminal equipment of described called number correspondence, sends first connection message of routing iinformation that comprises described called number and be connected to the terminal equipment of described called number binding to described Softswitch;
B2. described Softswitch according to described first connection message with described call proceeding communication network under the terminal equipment of described called number binding;
B3. described communication network produces the intercom number of a described called number of correspondence, according to the terminal equipment of this intercom number with the extremely described in succession called number binding of described calling.
Among the described step c, described intelligent network services platform issues before the step of second connection message to described Softswitch, also comprises the steps:
The terminal equipment of described called number binding reports the information of call failure to described intelligent network services platform by described Softswitch.
Communication network is a developing from pas network under the terminal equipment of described called number binding.
Correspondingly, the present invention discloses a kind of call proceeding system based on intelligent network control, at calling terminal after the making a call of the called end of a called number correspondence, control with described call proceeding to described called number binding or corresponding terminal equipment, key is to comprise:
The intelligent network services platform, be used for log-on message according to the terminal equipment of described called number correspondence, produce control with first connection message of described call proceeding to the terminal equipment of described called number binding, and be used for the information of basis to the call failure of the terminal equipment of described called number binding, produce control with second connection message of described call proceeding to the terminal equipment of described called number correspondence;
Softswitch, be used for when receipt of call, business setting according to the terminal equipment of the called number correspondence of described calling, trigger communication service to the intelligent network services platform, and described first connection message that issues according to described intelligent network services platform, with the terminal equipment of described call proceeding to described called number binding.
Described intelligent network services platform specifically comprises:
Information storage module is used to preserve the log-on message of the terminal equipment of described called number correspondence, the routing iinformation of terminal equipment that is connected to described called number binding and the state information of the described calling that described Softswitch reports;
Control module continues, be used for according to the log-on message of the terminal equipment of described called number correspondence and the routing iinformation that is connected to the terminal equipment of described called number binding, produce the described Softswitch of control with first connection message of described call proceeding to the terminal equipment of described called number binding, and, produce the described Softswitch of control with second connection message of described call proceeding to the terminal equipment of described called number correspondence according to information to the call failure of the terminal equipment of described called number binding.
The routing iinformation that described first connection message comprises described called number and is connected to the terminal equipment of described called number binding; Described second connection message comprises that the calling number classification of described calling terminal correspondence is the corresponding information that prevents the expanding value of repeated trigger communication service.
Communication network is a developing from pas network under the terminal equipment of described called number binding.
Compared with prior art, the present invention has following beneficial effect:
1. the present invention goes out a kind of new service implementation method on the intelligentized basis of the whole network, it is the intelligentized Personal Communications Services implementation method of the whole network, utilize intelligent network control Softswitch to carry out call proceeding, realize that a Subscriber Number is applied to the call proceeding of a plurality of terminal equipments simultaneously;
2. in addition, when this intelligent network is controlled Softswitch to the called end call proceeding, expand the information of number classification according to Intelligent Network Application Protocol, the connection message that in intelligent network is handed down to the connection message of Softswitch, comprises expanding value information, Softswitch can be avoided repeating communication service is toggled to intelligent network according to the expanding value information Control that comprises in this connection message, therefore, the present invention effectively controlling call between a plurality of terminal equipments, continue;
Moreover, in Personal Communications Services, operator can only be that one of them terminal equipment of a user distributes a corresponding termination number, the mechanism that other terminal equipment of user can adopt intercom number to distribute has been saved the number resource of operator like this, has improved the call completing rate of calling out simultaneously, for the user, owing to can select different terminal equipments to answer the call, not only made things convenient for the user, can also save telephone expenses.
Description of drawings
Fig. 1 be in the prior art between SSP and the SCP according to the information interaction schematic flow sheet of INAP.
Fig. 2 is one of the schematic flow sheet that the present invention is based on the call connection method of intelligent network control.
Fig. 3 be the present invention is based on intelligent network control call connection method schematic flow sheet two.
Fig. 4 is the schematic diagram of a specific embodiment of the present invention.
Fig. 5 is the information interaction schematic flow sheet between SSP of the present invention and the SCP.
Fig. 6 is the schematic diagram that the present invention is based on the call proceeding system of intelligent network control.
Embodiment
For clear, set forth technical scheme of the present invention accurately, describe as follows at this to the term in this specification:
1. Subscriber Number: for operator distributes to the call number of terminal equipment, the corresponding terminal equipment of Subscriber Number.
2. calling terminal and called end: the terminal equipment of initiating a calling is a calling terminal, and the Subscriber Number of this calling terminal correspondence can be called and be calling number; The target terminal equipment of a calling is called end, and the Subscriber Number of this called end correspondence can be called and be called number.
3. the terminal equipment of the terminal equipment of called number correspondence and called number binding: because that operator can distribute to the Subscriber Number resource of terminal equipment is very limited, therefore, for reaching the reasonable resource utilization, if a user has a plurality of terminal equipments, then operator only gives one of them terminal equipment distributing user number of this user, and other terminal equipment and this Subscriber Number are bound described Subscriber Number, are that a plurality of terminal equipments communicate service to realize a Subscriber Number.Wherein, it is the terminal equipment of Subscriber Number correspondence that operator has distributed the terminal equipment of Subscriber Number, and the other-end equipment that is bound to described Subscriber Number is the terminal equipment of Subscriber Number binding.Bring in from the called of a calling, the terminal equipment of the called number correspondence called end terminal equipment of Subscriber Number that has been operator's actual allocated then, the terminal equipment of called number binding be in the called end with other end terminal equipments of called number binding.
4. Personal Communications Services: a novel business for the present invention develops on the intelligentized basis of the whole network, can realize that by this business a Subscriber Number is the communication of a plurality of terminal equipments.Operator can only be that one of them terminal equipment of a user distributes a corresponding termination number, the mechanism that other terminal equipment of user can adopt intercom number to distribute, saved the number resource of operator like this, improved the call completing rate of calling out simultaneously, for the user, owing to can select different terminal equipments to answer the call, not only made things convenient for the user, can also save telephone expenses.
See also Fig. 2 and shown in Figure 3, be the schematic flow sheet of the call connection method that the present invention is based on intelligent network control.Specifically comprise following performing step:
Step s200: calling terminal makes a call to called end;
Step s210: Softswitch is with the terminal equipment of described call proceeding to described called number correspondence;
Step s220: described Softswitch triggers communication service to the intelligent network services platform according to the business setting of the terminal equipment of described called number correspondence;
Described Softswitch will detect the state information of test point (DP), terminal equipment to described called number correspondence is initiated call attempt, in addition, the business setting of the terminal equipment of described called number correspondence is: if call out this called number, then preferentially with the terminal equipment of call proceeding, so that answer or save telephone expenses etc. to this called number binding;
Described Softswitch reports the BCSM event message to described intelligent network services platform, be about to the test point information D P12 that expression initiates call attempt to the terminal equipment of called number correspondence and report to described intelligent network services platform, the communication service of the business setting correspondence of the terminal equipment of described called number correspondence is toggled to described intelligent network services platform as the BCSM event message.
Step s230: described intelligent network services platform is according to the log-on message of the terminal equipment of described called number correspondence, if this called number of expression has been bound terminal equipment in the log-on message, then produce first connection message of routing iinformation comprise described called number and to be connected to the terminal equipment of described called number binding, to control described Softswitch with the terminal equipment of described call proceeding to described called number binding;
Step s240: described Softswitch according to described first connection message with described call proceeding communication network under the terminal equipment of described called number binding;
Step s250: described communication network produces the intercom number of a described called number of correspondence, according to the terminal equipment of this intercom number with the extremely described in succession called number binding of described calling;
Step s260: as if the call failure of the terminal equipment that described called number is bound, communication network reports the information of call failure under the terminal equipment of then described called number binding to described intelligent network services platform by described Softswitch;
Step s270: described intelligent network services platform issues the calling number classification that comprises described calling terminal correspondence and is corresponding second connection message that prevents the expanding value information of repeated trigger communication service to described Softswitch;
Step s280: described Softswitch is according to described second connection message, with the terminal equipment of described call proceeding to described called number correspondence;
Step s290: the call proceeding success, and after calling terminal or called end on-hook, described Softswitch reports and is specially the message of DP9 with the BCSM incident of the state information of expression calling terminal/called end on-hook, and the described passage of calling out correspondence is taken out stitches.
Wherein, the expanding value of described calling number classification is meant according to intelligent network application protocol (INAP) GF017-95, to expanding a value in the calling number classification, initiated call attempt one time to the terminal equipment of described called number correspondence to represent this calling number, if described Softswitch according to described second connection message with described call proceeding during to the terminal equipment of described called number correspondence, because the calling number classification is an expanding value, then described Softswitch is according to this expanding value information, no longer communication service is toggled to described intelligent network business platform, to prevent the repeated trigger communication service.
In addition, one or more communication networks that may belong to different operators in a plurality of terminal equipments that described called end comprises, for example, the terminal equipment of described called number correspondence belongs to the mobile communication terminal of mobile communications network, and the terminal equipment of described called number binding comprises the fixed telephone terminal in the fixed telephone network, the PAS terminal in one or more developing from pas network etc.
Belong to the mobile communication terminal of mobile communications network with the terminal equipment of described called number correspondence, the terminal equipment of described called number binding is that the PAS terminal in the developing from pas network is an example, further specifies implementation method of the present invention.
See also shown in Figure 4ly, dotted line is only represented the transmission signal route of signaling.Described Softswitch can be Service Switching Point, and described intelligent network business platform can be Service Control Point.The calling number of calling terminal is 111111, the number that operator distributes for called end 1 is 666666, and called end 2 is a PAS terminal, be bound to number 666666 in advance, then when call proceeding during to developing from pas network, the intercom number 999999 that developing from pas network distributes a developing from pas network for called end 2.
Among Fig. 4, step 1 is corresponding to described step s200 and s210 among Fig. 2: calling terminal makes a call to called end 1, Softswitch (SSP) with described call proceeding to called number 666666 pairing terminal equipments (called end 1);
Softswitch (SSP) will detect the state information of test point (DP), described called number 666666 pairing terminal equipments (called end 1) are initiated call attempt, in addition, the business setting of the terminal equipment of described called number correspondence is: if call out this called number, then preferentially with the terminal equipment of call proceeding to this called number binding;
Softswitch (SSP) reports the BCSM event message to described intelligent network services platform (SCP), be about to the test point information D P12 that expression initiates call attempt to the terminal equipment of called number correspondence and report to described intelligent network services platform, the communication service of the business setting correspondence of the terminal equipment of described called number 6666 correspondences is toggled to described intelligent network services platform as the BCSM event message.
And, on the terminal equipment (called end 2) of this intercom number 999999 with the extremely described in succession called number binding of described calling.
Described Softswitch (SSP) is according to receiving described second connection message, judge the expanding value information that wherein has, then be not the terminal equipment (terminal 2) of this call proceeding once more to described called number 666666 bindings, but with the terminal equipment (terminal 1) of described call proceeding to described called number correspondence.
In addition, in the present embodiment, then the message process between SSP and the SCP sees also shown in Figure 5, itself and maximum different being of prior art: when intelligent network services platform (SCP) after Softswitch (SSP) sends the message of request BCSM incident, in second connection message that described Softswitch (SSP) issues, comprise: the expanding value information (i.e. " CallerCatetory=0xE0 " of figure) that is used for preventing the repeated trigger communication service.By expanding value information herein, described Softswitch (SSP) can not named this call proceeding once more to the terminal equipment (terminal 2) of described called number 666666 bindings.Other steps, similar with prior art, at this enumeration no longer.
Correspondingly, the invention also discloses a kind of call proceeding system based on intelligent network control, for calling terminal after the making a call of the called end of a called number correspondence, control with described call proceeding to described called number binding or corresponding terminal equipment.
See also shown in Figure 6ly, the terminal equipment of described called number correspondence refers to called end 1, and the terminal equipment of described called number binding refers to called end 2, and this called end 2 can be a PAS terminal, and call proceeding of the present invention system comprises:
Intelligent network services platform 510 is used for the log-on message according to called end 1, or according to the information to the call failure of called end 2, produces control with the connection message of described call proceeding to called end 1 or called end 2;
More particularly, described intelligent network services platform 510 specifically comprises:
Especially, described first connection message comprises described called number and the routing iinformation that is connected to called end 2; Described second connection message comprises that the calling number classification of described calling terminal correspondence is the corresponding information that prevents the expanding value of repeated trigger communication service.
In sum, compared with prior art, the present invention has following technique effect:
1. the present invention goes out a kind of new service implementation method on the intelligentized basis of the whole network, it is the intelligentized Personal Communications Services implementation method of the whole network, utilize intelligent network control Softswitch to carry out call proceeding, realize that a Subscriber Number is applied to the call proceeding of a plurality of terminal equipments simultaneously;
2. in addition, when this intelligent network is controlled Softswitch to the called end call proceeding, expand the information of number classification according to Intelligent Network Application Protocol, the connection message that in intelligent network is handed down to the connection message of Softswitch, comprises expanding value information, Softswitch can be avoided repeating communication service is toggled to intelligent network according to the expanding value information Control that comprises in this connection message, therefore, the present invention effectively controlling call between a plurality of terminal equipments, continue;
Moreover, in Personal Communications Services, operator can only be that one of them terminal equipment of a user distributes a corresponding termination number, the mechanism that other terminal equipment of user can adopt intercom number to distribute has been saved the number resource of operator like this, has improved the call completing rate of calling out simultaneously, for the user, owing to can select different terminal equipments to answer the call, not only made things convenient for the user, can also save telephone expenses.
Above embodiment only in order to the explanation the present invention and and unrestricted technical scheme described in the invention; Therefore, although this specification has been described in detail the present invention with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the present invention; And all do not break away from the technical scheme and the improvement thereof of the spirit and scope of the present invention, and it all should be encompassed in the middle of the claim scope of the present invention.
Claims (8)
1. call connection method based on intelligent network control, comprise step: calling terminal makes a call to the terminal equipment of a called number correspondence; It is characterized in that, also comprise the steps:
A. Softswitch triggers communication service to the intelligent network services platform according to the business setting of the terminal equipment of described called number correspondence;
B. described intelligent network services platform is according to the log-on message of the terminal equipment of described called number correspondence, by the terminal equipment of described Softswitch with the extremely described called number binding of described call proceeding;
C. if during to the call failure of the terminal equipment of described called number binding, described intelligent network services platform issues second connection message that comprises the expanding value information that is used to prevent the repeated trigger communication service to described Softswitch, described Softswitch is according to described second connection message, with the terminal equipment of described call proceeding to described called number correspondence.
2. the call connection method based on intelligent network control according to claim 1 is characterized in that described step b specifically comprises:
B1. described intelligent network services platform is according to the log-on message of the terminal equipment of described called number correspondence, sends first connection message of routing iinformation that comprises described called number and be connected to the terminal equipment of described called number binding to described Softswitch;
B2. described Softswitch according to described first connection message with described call proceeding communication network under the terminal equipment of described called number binding;
B3. described communication network produces the intercom number of a described called number of correspondence, according to the terminal equipment of this intercom number with the extremely described in succession called number binding of described calling.
3. the call connection method based on intelligent network control according to claim 1 and 2 is characterized in that among the described step c, described intelligent network services platform issues before the step of second connection message to described Softswitch, also comprises the steps:
The terminal equipment of described called number binding reports the information of call failure to described intelligent network services platform by described Softswitch.
4. the call connection method based on intelligent network control according to claim 3 is characterized in that, communication network is a developing from pas network under the terminal equipment of described called number binding.
5. the call proceeding system based on intelligent network control after the called end of a called number correspondence makes a call, controls that described call proceeding is bound to described called number or corresponding terminal equipment at calling terminal, it is characterized in that, comprising:
The intelligent network services platform, be used for log-on message according to the terminal equipment of described called number correspondence, produce control with first connection message of described call proceeding to the terminal equipment of described called number binding, and be used for the information of basis to the call failure of the terminal equipment of described called number binding, produce control with second connection message of described call proceeding to the terminal equipment of described called number correspondence;
Softswitch, be used for when receipt of call, business setting according to the terminal equipment of the called number correspondence of described calling, trigger communication service to the intelligent network services platform, and described first connection message that issues according to described intelligent network services platform, with the terminal equipment of described call proceeding to described called number binding, and according to described second connection message, with the terminal equipment of described call proceeding to described called number correspondence.
6. the call proceeding system based on intelligent network control according to claim 5 is characterized in that described intelligent network services platform specifically comprises:
Information storage module is used to preserve the log-on message of the terminal equipment of described called number correspondence, the routing iinformation of terminal equipment that is connected to described called number binding and the state information of the described calling that described Softswitch reports;
Control module continues, be used for according to the log-on message of the terminal equipment of described called number correspondence and the routing iinformation that is connected to the terminal equipment of described called number binding, produce the described Softswitch of control with first connection message of described call proceeding to the terminal equipment of described called number binding, and, produce the described Softswitch of control with second connection message of described call proceeding to the terminal equipment of described called number correspondence according to information to the call failure of the terminal equipment of described called number binding.
7. the call proceeding system based on intelligent network control according to claim 6 is characterized in that, the routing iinformation that described first connection message comprises described called number and is connected to the terminal equipment of described called number binding; Described second connection message comprises that the calling number classification of described calling terminal correspondence is the corresponding information that prevents the expanding value of repeated trigger communication service.
8. according to each described call proceeding system of claim 5 to 7, it is characterized in that communication network is a developing from pas network under the terminal equipment of described called number binding based on intelligent network control.
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| CNB2006100370381A CN100459809C (en) | 2006-08-14 | 2006-08-14 | Calling continuing method and system based on intelligent network control |
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| CN101674496B (en) * | 2009-10-21 | 2015-06-03 | 中兴通讯股份有限公司 | Integrated virtual private network system and method for triggering integrated virtual private network service |
| CN113438370B (en) * | 2021-06-24 | 2022-08-30 | 广西东信易通科技有限公司 | System and method for reducing privacy number continuing time delay |
Citations (3)
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|---|---|---|---|---|
| CN1407747A (en) * | 2001-08-31 | 2003-04-02 | 深圳市中兴通讯股份有限公司上海第二研究所 | Wireless intelligent network multitasking processing method |
| US20030063731A1 (en) * | 2001-09-28 | 2003-04-03 | Woodring Larry D. | Systems and methods for recording and providing enhanced caller information in an advanced intelligent network |
| CN1633151A (en) * | 2003-12-24 | 2005-06-29 | 华为技术有限公司 | A method for avoiding duplicate triggering of intelligent service |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1407747A (en) * | 2001-08-31 | 2003-04-02 | 深圳市中兴通讯股份有限公司上海第二研究所 | Wireless intelligent network multitasking processing method |
| US20030063731A1 (en) * | 2001-09-28 | 2003-04-03 | Woodring Larry D. | Systems and methods for recording and providing enhanced caller information in an advanced intelligent network |
| CN1633151A (en) * | 2003-12-24 | 2005-06-29 | 华为技术有限公司 | A method for avoiding duplicate triggering of intelligent service |
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