CN101330651B - Method for implementing additional service during call establishment process - Google Patents
Method for implementing additional service during call establishment process Download PDFInfo
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- CN101330651B CN101330651B CN2007101679537A CN200710167953A CN101330651B CN 101330651 B CN101330651 B CN 101330651B CN 2007101679537 A CN2007101679537 A CN 2007101679537A CN 200710167953 A CN200710167953 A CN 200710167953A CN 101330651 B CN101330651 B CN 101330651B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/16—Communication-related supplementary services, e.g. call-transfer or call-hold
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Abstract
The invention discloses a method for achieving additional service in call setup process, which comprises the following steps: S402, initiating call by calling user equipment, and transmitting uplink call setup request information with additional service indication to a mobile switching center, where the calling user equipment is located; S404, storing the additional service in a mobile switching center, where called user equipment is located, by the mobile switching center, where the calling user equipment is located; S406, transmitting downlink call setup request information with additional service indication to the called user equipment by the mobile switching center, where the called user equipment is located; S408, setting up a call between the calling user equipment and the called user equipment, and requesting an application server for the additional service customized by the calling user equipment; and S410, executing the additional service and playing the sound of a ring. The method can solve the problems such as the transmission of the additional service indication between the terminals and the network and between exchanges, and triggering of additional download service in packet domain, etc.
Description
Technical field
The present invention relates in the 3G network circuit domain call and set up flow process, relate in particular in the call establishment calling party's customizing messages to callee's transmission.
Background technology
Along with the high speed development and the application of 3G network, miscellaneous service also is widely used.The bandwidth of 3G network makes the concurrent possibility that becomes of circuit domain business, packet switch domain service, can be when circuit domain call be set up, trigger specific supplementary service (can be packet switch domain service) simultaneously by calling subscriber's advise called subscriber, can obtain customizing messages (can be calling customized information such as picture) by triggering this supplementary service called subscriber, strengthen user's business experience.
Fig. 1 is the concurrent network diagram of carrying out of circuit domain and packet switch domain service, user terminal UE finishes call setup, video pictures transmission and video pictures and downloads by Node B (Node B) and radio network controller (RNC) place in circuit territory (CS) and packet domain (PS).Mobile soft switching server (MSC Server) and media gateway (MGW) are responsible for the foundation and the conversation of CS speech channel.Gprs service support point (SGSN) and GPRS gateway support point (GGSN) are responsible for the foundation with download channel of uploading of PS video pictures.AS system receiver, video picture also provides the download of video pictures, by the butt joint of the same IP Multimedia System of session initiation protocol (SIP) (IMS) network, PS data channel IP based network.
Fig. 2 is the basic office call flow process of existing network, and this flow process may further comprise the steps:
Step S202, calling terminal UE send call setup request message Setup to MSC;
Step S204～S206 after continuation message CallProceeding is called out in the MSC loopback, initiates routing procedure, sends the routing iinformation request to home location register center HLR;
Step S208, HLR sends the request of Providing Roaming Number to called place MSC;
Step S210, the MSC loopback request of Providing Roaming Number in called place responds, and carries roaming number in the message;
Step S212, HLR receive the request response back of Providing Roaming Number to caller MSC loop by information request response;
Step S214, caller MSC find that called place MSC is current MSC, the distributing paging request after receiving routing iinformation request response;
Step S216～S218, receive page response after, issue call setup request message Setup to terminal called;
Step S220～S224, MSC issue ALERTING message to calling terminal after receiving the call confirmation message and ALERTING message that terminal called sends;
Step S226～S228, MSC issue response message to calling terminal after receiving the response message of terminal called transmission, enter conversation.
Fig. 3 is the basic station to station call flow process of existing network, and this flow process may further comprise the steps:
Step S302, calling terminal UE send call setup request message Setup to MSC;
Step S304～S306 after continuation message CallProceeding is called out in the MSC loopback, initiates routing procedure, sends the routing iinformation request to home location register center HLR;
Step S308, HLR sends the request of Providing Roaming Number to called place MSC;
Step S310, the MSC loopback request of Providing Roaming Number in called place responds, and carries roaming number in the message;
Step S312, HLR receive the request response back of Providing Roaming Number to caller MSC loop by information request response;
Step S314, caller MSC find the non-current MSC of called place MSC after receiving routing iinformation request response, send the address initial message to called place MSC;
Step S316～S320, the request of follow-up called MS C distributing paging, receive page response after, issue call setup request message Setup to terminal called;
Step S322～S328, called MS C send ALERTING message to caller MSC after receiving the call confirmation message and ALERTING message that terminal called sends, and caller MSC issues ALERTING message to calling terminal;
After step S330～S334, called MS C receive the response message of terminal called transmission, send response message to caller MSC, caller MSC issues response message to calling terminal, enters conversation.
As mentioned above, the existing circuit domain handling process of MSC can not satisfy in the call establishment caller and notify called triggering specific supplementary service, to obtain customizing messages (calling customized picture etc.).
Therefore, need a kind of solution that in call establishment, realizes supplementary service, can solve the problem in the above-mentioned correlation technique.
Summary of the invention
The technical problem to be solved in the present invention realizes that exactly circuit domain call sets up that calling subscriber's advise called subscriber triggers specific supplementary service (can be packet switch domain service) to obtain customizing messages (calling subscriber's customized information etc.) in the process.
The invention provides a kind of method that in call establishment, realizes supplementary service, this method may further comprise the steps: step S402, when calling subscriber equipment makes a call, set up at up call and to carry supplementary service indication in the request message, and up call is set up the mobile switching centre that request message is sent to the calling subscriber equipment place; Step S404, the mobile switching centre at calling subscriber equipment place judges up call sets up whether carry the supplementary service indication in the request message, mobile switching centre at the calling subscriber equipment place judges up call and sets up under the situation that carries the supplementary service indication in the request message, the supplementary service indication is saved to the mobile switching centre at called subscriber equipment place; Step S406, after the mobile switching centre at called subscriber equipment place has preserved the supplementary service indication, calling called subscriber equipment, and in paging behind called subscriber equipment, supplementary service indication is added into downlink call sets up in the request message, and downlink call is set up request message be sent to called subscriber equipment; Step S408, called subscriber equipment is receiving after downlink call sets up request message, and set up with calling subscriber equipment and call out, and to the supplementary service of application server request calling subscriber equipment customization; And step S410, at called subscriber equipment after network side sends ALERTING message, and supplementary service downloaded from application server finish after, carry out supplementary service and ring.
Further comprising the steps of after step S410: after called subscriber equipment was replied, two-way continuing set up conversation between calling subscriber equipment and called subscriber equipment.
Step S404 may further comprise the steps: the mobile switching centre at calling subscriber equipment place judges up call sets up whether carry the supplementary service indication in the request message, mobile switching centre at the calling subscriber equipment place judges up call and sets up under the situation that carries the supplementary service indication in the request message, and the mobile switching centre at calling subscriber equipment place judges whether called subscriber equipment and calling subscriber equipment are in the same exchange; When the mobile switching centre at calling subscriber equipment place judges called subscriber equipment and calling subscriber equipment and is in the same exchange, the mobile switching centre at calling subscriber equipment place is the mobile switching centre at called subscriber equipment place, and the mobile switching centre at called subscriber equipment place preservation up call is set up the supplementary service indication of carrying in the request message; And when the mobile switching centre at calling subscriber equipment place judges that called subscriber equipment is in the different exchange with calling subscriber equipment, in supplementary service indication adding to calling initial address message, and initial address message is sent to the mobile switching centre at called subscriber equipment place, and the mobile switching centre at called subscriber equipment place preserves the supplementary service indication.
Supplementary service indication is separately positioned on up call and sets up request message, calls out initial address message and downlink call and set up in the null field in the request message, and supplementary service comprises that picture downloads demonstration, video downloading and playing etc.
Supplementary service is a packet switch domain service, and calling subscriber equipment and called subscriber equipment are set up conversation based on circuit-domain network.
The invention solves transmission, the supplementary service of supplementary service indication between terminal and network and indicate the transmission between exchange, the problems such as triggering of packet domain additional downloaded business.The present invention can be applicable to the speech business and the data service of circuit domain and sets up process, is suitable for simultaneously for the audio call in the 3G network, video call etc.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the schematic network structure that circuit domain packet domain voice and packet data concurrent service of the prior art is shown;
Fig. 2 is the flow chart that existing intra-office network basic call is shown;
Fig. 3 is the flow chart that existing interoffice network basic call is shown;
Fig. 4 illustrates the flow chart of realizing the method for supplementary service according to of the present invention in call establishment;
Fig. 5 illustrates the flow chart of realizing the method for supplementary service in call establishment according to an embodiment of the invention;
Fig. 6 is the basic handling flow chart that triggering supplementary service circuit domain office call according to another embodiment of the invention is shown; And
Fig. 7 is the basic handling flow chart that triggering supplementary service circuit domain station to station call according to another embodiment of the invention is shown.
Embodiment
Describe embodiments of the invention in detail below in conjunction with accompanying drawing.
Fig. 4 illustrates the flow chart of realizing the method for supplementary service according to of the present invention in call establishment.With reference to Fig. 4, the method of supplementary service that realizes in call establishment according to the present invention may further comprise the steps: step S402, when calling subscriber equipment makes a call, set up at up call and to carry supplementary service indication in the request message, and up call is set up the mobile switching centre that request message is sent to the calling subscriber equipment place; Step S404, the mobile switching centre at calling subscriber equipment place judges up call sets up whether carry the supplementary service indication in the request message, mobile switching centre at the calling subscriber equipment place judges up call and sets up under the situation that carries the supplementary service indication in the request message, the supplementary service indication is saved to the mobile switching centre at called subscriber equipment place; Step S406, after the mobile switching centre at called subscriber equipment place has preserved the supplementary service indication, calling called subscriber equipment, and in paging behind called subscriber equipment, supplementary service indication is added into downlink call sets up in the request message, and downlink call is set up request message be sent to called subscriber equipment; Step S408, called subscriber equipment is receiving after downlink call sets up request message, and set up with calling subscriber equipment and call out, and to the supplementary service of application server request calling subscriber equipment customization; And step S410, at called subscriber equipment after network side sends ALERTING message, and supplementary service downloaded from application server finish after, carry out supplementary service and ring.
Further comprising the steps of after step S410: after called subscriber equipment was replied, two-way continuing set up conversation between calling subscriber equipment and called subscriber equipment.
Step S404 may further comprise the steps: the mobile switching centre at calling subscriber equipment place judges up call sets up whether carry the supplementary service indication in the request message, mobile switching centre at the calling subscriber equipment place judges up call and sets up under the situation that carries the supplementary service indication in the request message, and the mobile switching centre at calling subscriber equipment place judges whether called subscriber equipment and calling subscriber equipment are in the same exchange; When the mobile switching centre at calling subscriber equipment place judges called subscriber equipment and calling subscriber equipment and is in the same exchange, the mobile switching centre at calling subscriber equipment place is the mobile switching centre at called subscriber equipment place, and the mobile switching centre at called subscriber equipment place preservation up call is set up the supplementary service indication of carrying in the request message; And when the mobile switching centre at calling subscriber equipment place judges that called subscriber equipment is in the different exchange with calling subscriber equipment, in supplementary service indication adding to calling initial address message, and initial address message is sent to the mobile switching centre at called subscriber equipment place, and the mobile switching centre at called subscriber equipment place preserves the supplementary service indication.
Supplementary service indication is separately positioned on up call and sets up request message, calls out initial address message and downlink call and set up in the null field in the request message, and supplementary service comprise picture download show, the video downloading and playing.
Supplementary service is a packet switch domain service, and calling subscriber equipment and called subscriber equipment are set up conversation based on circuit-domain network.
Fig. 5 illustrates the flow chart of realizing the method for supplementary service according to one embodiment of present invention in call establishment.In the present embodiment, in order to solve the problems of the prior art, taked following method:
At first, the call setup message Setup that terminal extension sends to network increases in up Setup message and carries the supplementary service indication, and concrete extended method is as follows:
Use the middle BIT3 of idle bit (spare) among the CC capabilities IE Octet3 in the SETUP message (up) (calling out the 3rd byte of control ability information unit) to represent to initiate the supplementary service indication, 0 expression is not initiated, 1 expression is initiated, and is as shown in table 1 below:
Table 1
Then, the IAM message in expansion ISUP (ISDNYong Hubufen) signaling and BICC (being independent of the calling control of the carrying) signaling increases in IAM message and carries the supplementary service indication, and concrete extended method is as follows:
Use the mandatory parameter of IAM message to connect character and represent that the idle bit position F bit of language (nature ofconnection indicators) represents to initiate the supplementary service indication, 0 expression is not initiated, and 1 expression is initiated, and is as shown in table 2 below:.
Table 2
| 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
| H | G | F | E | D | C | B | A |
Further, the call setup message Setup that extended network sends to terminal increases in descending Setup message and carries the supplementary service indication, and concrete extended method is as follows:
Use the Signal Value field of SIGNAL IE in the SETUP message (descending) to represent the supplementary service indication.Signal Value represents to initiate the supplementary service indication when getting particular value (for example 0 * 80), as shown in table 3 below.
Table 3
Further, said method can also realize that these are all within exlusive right protection range of the present invention by other spare field in expansion up Setup, IAM, the descending Setup message.
By the expansion of above three message, can be implemented in circuit domain call and set up that calling subscriber's informing network side supplementary service calls in the process, network side reinforms terminal called and calls supplementary service, and the simple handling process of network side is as follows:
Step S502, calling UE makes a call by circuit-domain network, sets up in the request Setup message at up call and carries the supplementary service indication;
Step S504, moving exchanging center MSC check in the Setup message and have carried the supplementary service indication, then supplementary service are indicated to the callee side transmission;
If step S506 called in other exchange, need carry the supplementary service indication in calling out initial address message (IAM);
Step S508, called place MSC issue setup requests Setup message and give terminal called after called subscriber's paging finishes, and carry the supplementary service indication in the Setup message;
After step S510, terminal called receive Setup message, when normal call is set up, trigger supplementary service (can be packet switch domain service, download the information such as additional pictures that caller is preset) to application server AS;
Step S512, follow-up terminal called is considered not instant ring after network side sends Alerting message, but supplementary service be finished download such as (finish afterwards) picture videos by the time, playing ringing tone in the video that Shows Picture is to strengthen user experience; And
Step S514, behind the called subscriber answer, two-way continuing realized the conversation based on circuit domain.
Describe two kinds of call models that are used for intra-office and interoffice in detail below in conjunction with Fig. 6 and Fig. 7.Wherein, office call need be expanded up call setup request message Setup, descending call setup request message Setup, and station to station call need increase the initial address message IAM in expansion ISUP and the BICC signaling.
As shown in Figure 6, supplementary service circuit domain office call handling process may further comprise the steps:
Step S602, calling terminal UE A finishes the circuit domain access process, send out setup requests SETUP message to MSCSERVER A, bit BIT3 is set to 1 in call capabilities in the Setup message (CCcapabilities) field the 3rd byte, and the indication supplementary service is initiated indication;
Step S604, MSC SERVER A send Call_Proceeding to calling UE after going out to call out scope check;
Step S606, MSC SERVER A initiates the SRI request to HLR B;
Step S608, HLR B gets roaming number to called attached MSC SERVER;
Step S610, called affiliated MSC SERVER also is MSC SERVER A, MSC SERVER A returns roaming number to HLR B, if MSC SERVER A supports pre-paging, at this moment can initiate earlier to return roaming number again after the pre-paging process;
Step S612, HLR B return the routing iinformation of UE B to MSC SERVER A.
After step S614, MSC SERVER A obtain called MSRN, according to roaming number analysis confirmation called subscriber under this exchange;
Step S616, if do not initiate pre-paging when getting roaming number, MSCSERVERA initiates paging request message to UE B;
Step S618, UE B returns page-response message;
Step S620, MSC SERVER B issues SETUP message to UE B, and the Signal Value of signal element SIGNAL IE is set to 0 * 80 in the SETUP message, the indication supplementary service;
Step S622, UE B return CALL CONFIRMED message;
Step S624, UE B returns ALERTING message to MSC SERVER A, and UEB can trigger PS territory business according to the supplementary service indication of carrying in the Setup message, downloads calling customized information such as additional pictures.After downloading successfully, the beginning playing ringing tone, information such as Show Picture simultaneously;
Step S626, MSC SERVERA returns ALERTING message to UE A;
Step S628, terminal called UE B sends response message CONNECT; And
Step S630, MSC SERVER A send to calling terminal UE A and connect signaling CONNECT, and calling and called are set up conversation.
As shown in Figure 7, supplementary service circuit domain station to station call handling process may further comprise the steps:
Step S702, calling terminal UE A finishes the circuit domain access process, send out setup requests SETUP message to MSCSERVER A, bit BIT3 is set to 1 in call capabilities in the Setup message (CCcapabilities) field the 3rd byte, and the indication supplementary service is initiated indication;
Step S704, MSC SERVER A send Call_Proceeding to calling UE after going out to call out scope check;
Step S706, MSC SERVER A initiates the SRI request to HLR B;
Step S708, HLR B gets roaming number to called attached MSC SERVER B;
Step S710, MSC SERVER B returns roaming number to HLR B, if MSC SERVER B supports pre-paging, at this moment can initiate earlier to return roaming number again after the pre-paging process;
Step S712, HLR B return the routing iinformation of UE B to MSC SERVER A;
Step S714 after MSC SERVER A obtains called MSRN, sends IAM message according to roaming number to MSC SERVER B.Carry supplementary service indication (by spare field in the mandatory parameter of expansion IAM message) in the IAM message;
Step S716, if do not initiate pre-paging when getting roaming number, MSCSERVER B initiates paging request message to UE B;
Step S718, UE B returns page-response message;
Step S720, MSC SERVER B issues SETUP message to UE B, and the Signal Value of signal element SIGNAL IE is set to 0 * 80 in the SETUP message, the indication supplementary service;
Step S722, UE B return CALL CONFIRMED message;
Step S724, UE B returns ALERTING message to MSC SERVER B, and UEB can trigger PS territory business according to the supplementary service indication of carrying in the Setup message, downloads calling customized information such as additional pictures.After downloading successfully, the beginning playing ringing tone, information such as Show Picture simultaneously;
Step S726, MSC SERVER B returns ACM message to MSC SERVER A;
Step S728, MSC SERVERA returns ALERTING message to UE A;
Step S730, terminal called UE B sends response message CONECT;
Step S732, called switch MSC SERVER B returns ANM to caller switch MSCSERVERA; And
Step S734, MSC SERVER A send to calling terminal UE A and connect signaling CONNECT, and calling and called are set up conversation.
By the foregoing description as can be seen, the invention solves transmission, the supplementary service of supplementary service indication between terminal and network and indicate the transmission between exchange, the problems such as triggering of packet domain additional downloaded business.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a method that realizes supplementary service in call establishment is characterized in that, may further comprise the steps:
Step S402 when calling subscriber equipment makes a call, sets up at up call and to carry supplementary service indication in the request message, and described up call is set up the mobile switching centre that request message is sent to the calling subscriber equipment place;
Step S404, the described mobile switching centre at described calling subscriber equipment place judges described up call sets up whether carry described supplementary service indication in the request message, described mobile switching centre at described calling subscriber equipment place judges described up call and sets up under the situation that carries described supplementary service indication in the request message, described supplementary service indication is saved to the mobile switching centre at called subscriber equipment place;
Step S406, after the mobile switching centre at described called subscriber equipment place has preserved described supplementary service indication, the described called subscriber equipment of paging, and after described called subscriber equipment is arrived in paging, the indication of described supplementary service is added into downlink call sets up in the request message, and described downlink call is set up request message be sent to described called subscriber equipment;
Step S408, described called subscriber equipment is receiving after described downlink call sets up request message, and set up with described calling subscriber equipment and call out, and to the supplementary service of the described calling subscriber equipment customization of application server request; And
Step S410 after network side sends ALERTING message, and after described supplementary service is finished from described application server download process, carries out described supplementary service and ring at described called subscriber equipment.
2. method according to claim 1 is characterized in that, and is further comprising the steps of after described step S410: after described called subscriber equipment was replied, two-way continuing set up conversation between described calling subscriber equipment and described called subscriber equipment.
3. method according to claim 1 is characterized in that, described step S404 may further comprise the steps:
The mobile switching centre at described calling subscriber equipment place judges described up call sets up whether carry described supplementary service indication in the request message, mobile switching centre at described calling subscriber equipment place judges described up call and sets up under the situation that carries the supplementary service indication in the request message, and the mobile switching centre at described calling subscriber equipment place judges whether described called subscriber equipment and described calling subscriber equipment are in the same exchange;
When the mobile switching centre at described calling subscriber equipment place judges described called subscriber equipment and described calling subscriber equipment and is in the same exchange, the mobile switching centre at described calling subscriber equipment place is the mobile switching centre at described called subscriber equipment place, and the mobile switching centre at described called subscriber equipment place preserves described up call and sets up the described supplementary service indication of carrying in the request message; And
When the mobile switching centre at described calling subscriber equipment place judges described called subscriber equipment and is in the different exchange with described calling subscriber equipment, in described supplementary service indication adding to calling initial address message, and described initial address message is sent to the mobile switching centre at described called subscriber equipment place, and the mobile switching centre at described called subscriber equipment place preserves described supplementary service indication.
4. method according to claim 3 is characterized in that, the indication of described supplementary service is separately positioned on described up call and sets up request message, described calling initial address message and described downlink call and set up in the null field in the request message.
5. method according to claim 4 is characterized in that, described supplementary service comprises that the picture download shows, the video downloading and playing.
6. method according to claim 5 is characterized in that described supplementary service is a packet switch domain service.
7. method according to claim 6 is characterized in that, described calling subscriber equipment and described called subscriber equipment are set up conversation based on circuit-domain network.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101679537A CN101330651B (en) | 2007-10-26 | 2007-10-26 | Method for implementing additional service during call establishment process |
| PCT/CN2007/003664 WO2009052669A1 (en) | 2007-10-26 | 2007-12-18 | A method for realizing extra service during the call setup |
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| CN2007101679537A CN101330651B (en) | 2007-10-26 | 2007-10-26 | Method for implementing additional service during call establishment process |
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| CN101330651B true CN101330651B (en) | 2011-06-22 |
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| WO2011051753A1 (en) * | 2009-10-30 | 2011-05-05 | Huawei Technologies Co. Ltd. | Method and apparatus of communication of payload data |
| CN101980512A (en) * | 2010-11-05 | 2011-02-23 | 候万春 | System and method for presenting additional information of caller to called party on communication network |
| CN110089097B (en) * | 2016-12-23 | 2023-04-07 | 意大利电信股份公司 | Call collision resolution in a communication network |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1859742A (en) * | 2005-12-07 | 2006-11-08 | 华为技术有限公司 | Call processing method, terminal device and communication system |
| CN1929510A (en) * | 2005-09-09 | 2007-03-14 | 乐金电子(中国)研究开发中心有限公司 | Caller information display method |
| CN1937666A (en) * | 2006-10-12 | 2007-03-28 | 北京传奇互动技术有限公司 | Method for realizing calling number additional label and customized information presenting in communication network |
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| KR100749237B1 (en) * | 2006-07-04 | 2007-08-13 | (주) 엘지텔레콤 | System for providing contents on call end and method therefor |
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- 2007-12-18 WO PCT/CN2007/003664 patent/WO2009052669A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1929510A (en) * | 2005-09-09 | 2007-03-14 | 乐金电子(中国)研究开发中心有限公司 | Caller information display method |
| CN1859742A (en) * | 2005-12-07 | 2006-11-08 | 华为技术有限公司 | Call processing method, terminal device and communication system |
| CN1937666A (en) * | 2006-10-12 | 2007-03-28 | 北京传奇互动技术有限公司 | Method for realizing calling number additional label and customized information presenting in communication network |
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| CN101330651A (en) | 2008-12-24 |
| WO2009052669A1 (en) | 2009-04-30 |
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