CN100542194C - A kind of method and system that in the ECT business, transmits user terminal number - Google Patents
A kind of method and system that in the ECT business, transmits user terminal number Download PDFInfo
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- CN100542194C CN100542194C CNB2006100016448A CN200610001644A CN100542194C CN 100542194 C CN100542194 C CN 100542194C CN B2006100016448 A CNB2006100016448 A CN B2006100016448A CN 200610001644 A CN200610001644 A CN 200610001644A CN 100542194 C CN100542194 C CN 100542194C
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Abstract
The invention discloses a kind of method of in the ECT business, transmitting user terminal number, first user terminal is after having conversed with second user terminal, call out and keep second user terminal, call out the 3rd user terminal again, when the 3rd user terminal ring, first user terminal is initiated the show Calls transfer service; The 3rd mobile switching centre meets when busy or sends the number of first user terminal during no response to the switching equipment at terminal place, four-function family at the 3rd user terminal; The switching equipment at terminal place, four-function family is handled according to the number of first user terminal.According to the present invention, a side replys side shake bell in the ECT business, and under the situation of changeing before shake bell side takes place again, the number of initial calling number and answer party can be issued landing office simultaneously, thereby operator is carried out such as processing such as charging and/or demonstrations the number of initial call subscriber terminal or the number of answer party according to the configuration of function corresponding switch at landing office.
Description
Technical field
The present invention relates to a kind of communication technology, relate in particular to a kind of method and system that in ECT (show Calls transfer) business, transmits user terminal number.
Background technology
In GSM (gsm) and 3GPP (third generation partner program), defined the ECT supplementary service.In this business, the user who initiates ECT (show Calls transfer) supplementary service need participate in two callings, and two callings can be all to reply, and also may be that one of them is replied, and are in ringing condition in addition.Be that example illustrates the ECT business with three user terminal A/B/C below.
User terminal A is at first with user terminal B communication (A and B who make a call can), keep B then, then user terminal A makes a call to user terminal C, user terminal A is initiated the ECT request to network more then, at this moment, network meeting connecting subscribers participating terminal B and C, connection between call release user terminal A-B and the connection between user terminal A-C, maintained user terminal B withdraws from hold mode, and user terminal A will withdraw from calling after the ECT success.Here, if user terminal C replys, then user terminal B and user terminal C can directly be in talking state, if user terminal C is also in ring, then user terminal B can hear ring-back tone, treats that user's terminal C off-hook replys, and user terminal B and user terminal C just enter talking state.
Therefore, because the ECT business allows to participate in simultaneously user's (as user terminal A in this example) of two callings to withdraw from, and connects remaining two sides (as user terminal B and C), can realize calling out switching flexibly; Thereby user's live and work needs have been enriched greatly.
Yet, in the reality conversation, for above-mentioned user terminal C may also will be signed before the commentaries on classics situation, at this moment when the ring of user C terminal, the concurrent user terminal D that forwards to before death, then user terminal A is after initiating the ECT business, finally connected the calling of user terminal B and user terminal D, in prior art (as ECT agreement regulation), the shown calling number of user terminal D is the number of user terminal B, and number that can not the display of calling user terminal A.
Be accustomed to according to the user, call out and no matter which kind of takes place change, the calling number that is delivered to landing office all is the number (as the number of user terminal A, below also be also referred to as former calling number) of user terminal of calling of having started at first, therefore, above-mentioned prior art does not meet user's custom.In addition, since might the called subscriber (to answer off-net call cheap such as answering the on-net call ratio answering the standard of the deducting fees difference of different callers when originating, free etc. when perhaps answering client service center number such as 10000/1860), therefore, above-mentioned prior art can cause the chaotic problem of charge.
Summary of the invention
The purpose of this invention is to provide a kind of method and system that in the ECT business, transmits user terminal number.Can make the preceding commentaries on classics purpose user terminal that participates in the ECT business obtain the number of the user terminal that makes a call at first.
The invention discloses a kind of method of in the show Calls transfer service, transmitting user terminal number, first user terminal is after having conversed with second user terminal, call out and keep second user terminal, call out the 3rd user terminal again, when the 3rd user terminal ring, first user terminal is initiated the show Calls transfer service; Described method also comprises: A, the 3rd mobile switching centre meet when busy or send the number of first user terminal during no response to the switching equipment at terminal place, four-function family at the 3rd user terminal; The switching equipment at terminal place, four-function family is handled according to the number of first user terminal.
For the system that adopts the ISUP signaling between the switching equipment at the 3rd mobile switching centre and terminal place, four-function family, described steps A specifically comprises:
A1, the 3rd mobile switching centre send initial message to the switching equipment at terminal place, four-function family, and described initial message comprises the number of first user terminal.
The number of described first user terminal is arranged in the universal number cell or general digital cell of initial message.
Described initial message also comprises the number of second user terminal.
The number of described second user terminal is arranged in the calling number cell.
For the system that adopts the MAP signaling between the switching equipment at the 3rd mobile switching centre and terminal place, four-function family, described steps A specifically comprises:
A2, the 3rd mobile switching centre send the routing iinformation request message to the attaching position register of four-function family terminal, and described routing iinformation request message comprises the number of first user terminal;
The attaching position register of A3, four-function family terminal sends the roaming number request message to the switching equipment of four-function family terminal, and described roaming number request message comprises the number of first user terminal.
The number of described first user terminal is arranged in the universal number cell that increases in routing iinformation request message and the roaming number message information.
The invention also discloses a kind of system that transmits user terminal number, described system comprises:
First user terminal is used for communicating with second user terminal, and is initiated to the calling of the 3rd user terminal, and initiates show Calls during the 3rd user terminal ring and shift supplementary service;
Second user terminal is used for communicating with first user terminal, and accepts the show Calls transfer supplementary service that first user terminal is initiated;
The 3rd user terminal, its meet when busy or Forward on No Answer to four-function family terminal;
Four-function family terminal is when the 3rd user terminal is met when busy or received the calling of mailing to the 3rd user terminal during no response;
The 3rd mobile switching centre is used for the number of first user terminal is issued the switching equipment at terminal place, four-function family;
The switching equipment at terminal place, four-function family is used to receive the number of first user terminal, and handles according to the number of first user terminal.
Described the 3rd mobile switching centre also is used for the number of second user terminal is issued the switching equipment at terminal place, four-function family.
The switching equipment at terminal place, described four-function family is also handled according to the number of user terminal B.
According to the present invention, a side replys side shake bell in the ECT business, and under the situation of changeing before shake bell side takes place again, the number (number of user terminal B) of initial calling number (number of user terminal A) and answer party can be issued landing office simultaneously, thereby make operator according to the configuration of function corresponding switch, can go up the number of the initial call subscriber terminal of demonstration or the number of answer party at purpose user terminal (user terminal D).In addition, carry out the configuration of function corresponding switch, also can make the flexible number of selecting former calling number or answer party of charging of landing office according to Carrier Requirements.
Description of drawings
Fig. 1 shows the call flow diagram of the embodiment of the invention.
Embodiment
Understand and realization the present invention the existing embodiments of the invention of describing in conjunction with the accompanying drawings for the ease of persons skilled in the art.
As shown in Figure 1, basic thought of the present invention is, the 3rd mobile switching centre the 3rd user terminal meet when busy or during no response the switching equipment to terminal place, four-function family send the number of first user terminal and the number of second user terminal; The switching equipment at terminal place, four-function family shows the number of first user terminal and/or the number of second user terminal on the terminal of four-function family.Thereby make landing office can carry out caller ID display, charging neatly, operator can adopt charging way flexibly according to the strategy of its formulation in addition.
For convenience, first user terminal is called user terminal A, and second user terminal is called user terminal B, and the 3rd user terminal is called user terminal C, and four-function family terminal is called user terminal D, and the 3rd mobile switching centre is called the C of mobile switching centre.
In Fig. 1, suppose that MSc (user terminal C) has contracted to shift when busy, method of calling of the present invention is described below.
Step 1-3, MSa (user terminal A) send initial message by MSCa (mobile switching centre of user terminal A), MSCb (mobile switching centre of user terminal B) to MSb (user terminal B), and described initial message has the number of MSa and the number of MSb.
Step 4-6, MSb send ALERTING message by MSCb, MSCa to MSa.
Step 7-9, after MSb replys, MSb sends response message by MSCb, MSCa to MSa.
Should be noted that, for convenience of description, described the calling procedure of MSa to MSb in above-mentioned step 1-9, prerequisite in fact of the present invention is as long as MSa and MSb connect.
Step 10-12, MSa send a notification message to MSb by MSCa, MSCb, so that keep the calling between MSa and the MSb.
Step 13-15, MSa send initial message by MSCa, MSCc (mobile switching centre of user terminal C) to MSc (user terminal C), and described initial message has the number of MSa and the number of MSc.
Step 16-24, MSc send in the process of ALERTING message to MSa by MSCc, sent to MSCa as ALERTING message, at this moment MSa initiates the ECT request process, be that MSa sends the ECT request message to MSCa, MSCa sends a notification message to MSb by MSCb then, so that the calling that keeps between recovery MSa and the MSb, then, MSCa sends a notification message to MSb once more by MSCb, so that to the MSb notification call ECT business has taken place; MSCa also sends a notification message to MSc by MSCc, so that the ECT business has taken place informing user terminal C.
By step 14 as can be known, MSCc can obtain the number of user terminal A, and by step 16-24, MSCc can obtain the number of user terminal B by the ECT notification message.
Step 25, when MSc is in when busy, send refuse information to MSCc shift when busy because MSc has contracted, change before MSCc carries out according to signatory preceding commentaries on classics destination Mobile Station International ISDN Number D and handle.(if signatory is transfer on no reply, then when the long-time no response of MSc, changes before MSCc also can carry out according to signatory preceding commentaries on classics destination Mobile Station International ISDN Number D and handles).
At this moment, if the D number is a mobile number, then change step 26-29; If the D number is fixed number or its network No. sign indicating number, then directly change step 30, and the called number in the step 30 is exactly the number of user terminal D but not the roaming number of D.
Step 26, MSCc send the routing iinformation request to HLRd (attaching position register of user terminal D), so that change the roaming number of purpose user terminal D before obtaining.For the number with former calling subscriber A takes MSCd to, this moment, MSCc was when sending the routing iinformation request message to HLRd, carried newly-increased cell " universal number ", wherein filled the number of former calling subscriber A.
Step 27, HLRd send the request of Providing Roaming Number to MSCd (mobile switching centre of user terminal D).For the number with former call subscriber terminal A takes MSCd to, this moment, HLRd was when transmission Provides Roaming Number request message to MSCd, carried newly-increased cell " universal number ", wherein filled the number of former calling subscriber A.
Step 28, MSCd send the response that Provides Roaming Number to HLRd, return the roaming number of MSd to HLRd.
Step 29, HLRd send the routing iinformation response to MSCc, thereby make MSCc obtain the roaming number of MSd.
Step 30-31, MSCc send initial message by MSCd to MSd, so that calling is transferred to MSd.Describe the process that MSCd obtains the number of the number of MSa and MSb below in detail.It should be noted that when user terminal D was in fixed network or other network, the switching equipment of user terminal D place network was referred to as MSCd for ease of describing and diagram.
When MSCc judges current office point is when forwarding the office point of D to before ECT ring method, subscriber terminal C needs, to have two kinds of schemes the number of MSa and MSb all can be passed to landing office MSCd, selects the number of MSa and MSb for landing office.
Scheme one: if MSCc is ISUP with the MSCd interoffice, the number of user terminal B can pass through initial message (IAM message, Initial address) Calling party number (calling number) cell brings landing office, brings landing office with A side's number by Generic number (universal number) cell or Generic digits (general digital) cell simultaneously.Following table shows the structure of initial message.
Message Type:Initial address (initial message)
| Parameter | Reference (subclause) | Type | Length (octets) |
| Other cells of Calling party number (calling number) Generic number (universal number) Generic digits (general digital) omit | 3.10 3.26 3.24 | O O O | 4-？ 5-？ 4-？ |
Adopting number in the Calling party number cell by landing office according to the functional switch selection of configuration still is that number in the Generic number cell or the number in the Generic digits cell carry out number and show, calling number in the landing office ticket is filled in (charging that this action can influence non intelligent user), and the calling number (this action can influence the charging of intelligent subscriber) that reports the IDP message of SCP in IN process.
Therefore, the entrained number argument of described initial message is: the universal number cell or the general digital cell of MSa number carried in the roaming number of the user terminal D that fills in the number of the user terminal B that fills in the calling number cell, the called number cell, increase.According to the configuration of the functional switch of local exchange, the calling number that decides the initial message that sends to MSd to carry still is the number of MSa for the number of MSb on earth by MSCd.
Scheme two:, then also can transmit the number of user terminal A to landing end office (EO) by the MAP signaling if the user terminal D that finally is connected to is a portable terminal.After before shake bell side C takes place, changeing, MSCc can be by sending routing iinformation request message (SendRoutingInfo message), be execution in step 26: go HLRd to get the roaming number of D, and then HLRd can be by the request message that Provides Roaming Number (ProvideRoamingNumber), and promptly execution in step 27: to the roaming number of landing office MSCd request D.Can the number of user terminal A be brought by this message flow and land end office (EO), that is: in SendRoutingInfo message and ProvideRoamingNumber, all increase Generic number cell, and by this cell the number of user terminal A is taken to and to land the MSCd of end office (EO).
Therefore, it still be that number in the Genericnumber cell in the ProvideRoamingNumber message carries out number and shows that landing office MSCd can adopt number in the Callingparty number cell in the IAM message according to the functional switch selection of configuration, calling number in the landing office ticket is filled in, and the calling number that reports the IDP message of SCP in the IN process.
More than two kinds of schemes pluses and minuses are respectively arranged, in actual applications, can be used in combination according to actual networking situation.Express the pluses and minuses of above-mentioned two kinds of schemes down.
| Scheme | Advantage | Shortcoming |
| Scheme one | If preceding commentaries on classics purpose side number is its network No. sign indicating number (as PSTN), also A number and B number can be delivered to final landing office simultaneously. | Need interoffice signaling to support Generic number or Generic digits |
| Scheme two | When interoffice can not transmit Generic number or Generic digits (is TUP as interoffice signaling), when perhaps Generic number or Generic digits number have been done other purposes, can pass through interoffice signaling (as ISUP) and transmit former calling number A, and transmit the B number by the MAP signaling. | If when preceding commentaries on classics purpose side number is fixed number or its network No. sign indicating number (as PSTN), can't transmit the B number. |
Therefore, there are three kinds of methods can make landing office MSCd obtain the number of user terminal A and/or the number of user terminal B.
(1) can obtain the number of user terminal B by the calling number cell of IAM message;
(2) can obtain the number of user terminal A by the universal number cell of IAM message;
(3) the universal number cell of ProvideRoamingNumber message can obtain the number of user terminal A;
On user terminal D, show according to the number of carrier policy configuration feature switch optional customer terminal A or user terminal B by landing office MSCd, or charge.
Step 31, MSCd send initial message to MSd, the number that has user terminal A of described initial message and/or the number of user terminal B.
Step 32-33, MSd send ALERTING message by MSCd to MSCc.
Step 34-36, after MSb replys, MSd sends response message by MSCd, MSCc to MSCa.
Step 37-38, MSCa send a notification message to MSb by MSCb, so that MSb and MSd are conversed.
Step 39, receive the ALERTING message of MSc as MSCa after, MSCa sends the ECT response message to MSa.
Step 40, MSCa send the connection message that discharges between MSa and the MSc to MSa.
Step 41, MSCa send the connection message that discharges between MSa and the MSb to MSa.
Step 42, user terminal B and user terminal D converse.
The invention also discloses a kind of system that transmits user terminal number, described system comprises: first user terminal, be used for communicating, and be initiated to the calling of the 3rd user terminal, and initiate show Calls during the 3rd user terminal ring and shift supplementary service with second user terminal; Second user terminal is used for communicating with first user terminal, and accepts the show Calls transfer supplementary service that first user terminal is initiated; The 3rd user terminal, its meet when busy or Forward on No Answer to four-function family terminal; Four-function family terminal is when the 3rd user terminal is met when busy or received the calling of mailing to the 3rd user terminal during no response; The 3rd mobile switching centre is used for the number of first user terminal and the number of second user terminal are issued the switching equipment at terminal place, four-function family; The switching equipment at terminal place, four-function family is used to receive the number of first user terminal, and carries out such as the processing that shows or charge according to the number of first user terminal and/or the number of second user terminal.
According to the present invention, reply a side ECT takes place under the situation of side shake bell after, and under the situation of changeing before shake bell side takes place again, the number (number of user terminal B) of former calling number (number of user terminal A) and ECT opposite end can be issued landing office simultaneously, thereby make operator according to the configuration of function corresponding switch, can on the user terminal that finally is connected to, show the number of initial call subscriber terminal or the number of ECT opposite end.In addition, carry out the configuration of function corresponding switch, also can make the flexible number of selecting former calling number or ECT opposite end of charging of landing office according to Carrier Requirements.
Though described the present invention by embodiment, those of ordinary skills know, without departing from the spirit and substance in the present invention, just can make the present invention that many distortion and variation are arranged, and scope of the present invention is limited to the appended claims.
Claims (10)
1, a kind of method of in the show Calls transfer service, transmitting user terminal number, first user terminal is after having conversed with second user terminal, call out and keep second user terminal, call out the 3rd user terminal again, when the 3rd user terminal ring, first user terminal is initiated the show Calls transfer service; It is characterized in that, comprising: A, the 3rd mobile switching centre meet when busy or send the number of first user terminal during no response to the switching equipment at terminal place, four-function family at the 3rd user terminal; The switching equipment at terminal place, four-function family is handled according to the number of first user terminal.
2, the method for in the show Calls transfer service, transmitting user terminal number according to claim 1, it is characterized in that, for the system that adopts the ISUP signaling between the switching equipment at the 3rd mobile switching centre and terminal place, four-function family, described steps A specifically comprises:
A1, the 3rd mobile switching centre send initial message to the switching equipment at terminal place, four-function family, and described initial message comprises the number of first user terminal.
3, the method for transmitting user terminal number in the show Calls transfer service according to claim 2 is characterized in that the number of described first user terminal is arranged in the universal number cell or general digital cell of initial message.
4, the method for transmitting user terminal number in the show Calls transfer service according to claim 2 is characterized in that described initial message also comprises the number of second user terminal.
5, the method for transmitting user terminal number in the show Calls transfer service according to claim 4 is characterized in that the number of described second user terminal is arranged in the calling number cell.
6, the method for in the show Calls transfer service, transmitting user terminal number according to claim 1, it is characterized in that, for the system that adopts the MAP signaling between the switching equipment at the 3rd mobile switching centre and terminal place, four-function family, described steps A specifically comprises:
A2, the 3rd mobile switching centre send the routing iinformation request message to the attaching position register of four-function family terminal, and described routing iinformation request message comprises the number of first user terminal;
The attaching position register of A3, four-function family terminal sends the roaming number request message to the switching equipment of four-function family terminal, and described roaming number request message comprises the number of first user terminal.
7, the method for in the show Calls transfer service, transmitting user terminal number according to claim 6, it is characterized in that the number of described first user terminal is arranged in the universal number cell that increases in routing iinformation request message and the roaming number message information.
8, a kind of system that transmits user terminal number is characterized in that, described system comprises:
First user terminal is used for communicating with second user terminal, and is initiated to the calling of the 3rd user terminal, and initiates show Calls during the 3rd user terminal ring and shift supplementary service;
Second user terminal is used for communicating with first user terminal, and accepts the show Calls transfer supplementary service that first user terminal is initiated;
The 3rd user terminal, its meet when busy or Forward on No Answer to four-function family terminal;
Four-function family terminal is when the 3rd user terminal is met when busy or received the calling of mailing to the 3rd user terminal during no response;
The 3rd mobile switching centre is used for the number of first user terminal is issued the switching equipment at terminal place, four-function family;
The switching equipment at terminal place, four-function family is used to receive the number of first user terminal, and handles according to the number of first user terminal.
9, the user terminal number system is transmitted in realization according to claim 8, it is characterized in that described the 3rd mobile switching centre also is used for the number of second user terminal is issued the switching equipment at terminal place, four-function family.
10, the system of transmission user terminal number according to claim 9 is characterized in that, the switching equipment at terminal place, described four-function family is also handled according to the number of second user terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100016448A CN100542194C (en) | 2006-01-18 | 2006-01-18 | A kind of method and system that in the ECT business, transmits user terminal number |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100016448A CN100542194C (en) | 2006-01-18 | 2006-01-18 | A kind of method and system that in the ECT business, transmits user terminal number |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1882020A CN1882020A (en) | 2006-12-20 |
| CN100542194C true CN100542194C (en) | 2009-09-16 |
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| CNB2006100016448A Expired - Fee Related CN100542194C (en) | 2006-01-18 | 2006-01-18 | A kind of method and system that in the ECT business, transmits user terminal number |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101304323B (en) * | 2007-05-08 | 2011-01-19 | 中兴通讯股份有限公司 | Method for implementing centralization of explicit call diverting service in IP multimedia subsystem |
| CN101527894B (en) * | 2008-06-13 | 2010-10-27 | 华为技术有限公司 | Method, equipment and mobile communication system for realizing explicit communication transfer |
| CN108124244B (en) * | 2016-11-29 | 2020-07-31 | 展讯通信（上海）有限公司 | Multi-channel terminal call transfer method and device |
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