CN102118519A - Method and system for realizing telephone dialing in session initiation protocol integrated access device (SIP IAD) and device - Google Patents
Method and system for realizing telephone dialing in session initiation protocol integrated access device (SIP IAD) and device Download PDFInfo
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- CN102118519A CN102118519A CN2009102388788A CN200910238878A CN102118519A CN 102118519 A CN102118519 A CN 102118519A CN 2009102388788 A CN2009102388788 A CN 2009102388788A CN 200910238878 A CN200910238878 A CN 200910238878A CN 102118519 A CN102118519 A CN 102118519A
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Abstract
The embodiment of the invention relates to a method and a system for realizing telephone dialing in a session initiation protocol integrated access device (SIP IAD) and the SIP IAD. The method for realizing the telephone dialing in the SIP IAD comprises the following steps of: sequentially receiving numbers dialed by a calling user; and sequentially transmitting a number reporting message to soft switch equipment to report the received numbers dialed by the calling user figure by figure according to a figure-by-figure number reporting figure chart, so that the soft switch equipment performs number matching according to the received numbers to further realize the initiation of a call from the calling user to a called user, wherein the number reporting message carries figure-by-figure numbers dialed by the calling user. The soft switch equipment can timely perform the number matching, the call is initiated to the called user after the number matching succeeds, and the calling user is not required to dial '#' as well as wait for a long time, so the user experiences are improved, and the degree of satisfaction of the user is increased.
Description
Technical field
The present invention relates to communication technical field, relate in particular to the dialing technology under the SIP IAD.
Background technology
At (Next Generation Network, NGN) in the next generation network, the terminal network equipment that voice-and-data is linked in the packet core network is commonly referred to (Integrated Access Device, IAD) integrated access equipment, IAD provides (Foreign Exchange Office, FXS) Foreign Exchange Office interface, (Foreign Exchange Subscriber, FXO) Foreign Exchange Subscriber and (Internet Protocol, IP) the Internet protocol interfaces, thereby the user terminal that IAD is connected down can select to insert IP network or tradition (Public Switched Telephone Network, PSTN) public switched telephone network as required.The agreement that IAD supports comprise (Session InitiationProtocol, SIP) session initiation protocol, H.248, (Media Gateway Control Protocol, MGCP) MGCP.In core network, provide the nucleus equipment of Business Processing to become Softswitch.Be called SIPIAD for the IAD that uses Session Initiation Protocol and Softswitch to carry out interactive communication.
The telephone subscriber of traditional PSTN is when dial-up, and number is to report legacy user's switch by turn (promptly user every group one item sign indicating number just sends conventional P BX equipment to for Private Branch Exchange, PBX) equipment at once.Conventional P BX equipment is whenever received an item sign indicating number, all can check numbers and carry out numbers match, if numbers match is complete, then makes a call to called; If numbers match is incomplete, then continue to collect the digits, till numbers match fully.The telephone subscriber of PSTN does not need to add the sign of dialing " # " number conduct dialing end in dialing procedure.As: the user thinks dialing numbers " 057188888888 ", the user directly dials on phone so " 057188888888 " just passable.
And SIP IAD is registered on the Softswitch by Session Initiation Protocol.After succeeding in registration, the user terminal under the SIP IAD just can dial and make a call.The telephone subscriber of SIP IAD is when dial-up, and number is the disposable Softswitch that reports.After Softswitch is received number, check numbers and carry out numbers match,, then make a call to called if numbers match is complete; If numbers match is incomplete, then call failure.The telephone subscriber of SIP IAD need add the sign of dialing " # " number conduct dialing end in dialing procedure, number just can at once disposablely report soft switch, and (5～10 seconds) just can report otherwise can postpone a period of time.As: the user thinks dialing numbers " 057199999999 ", and the user can make a call after dialing " 057199999999# " on the phone at once so, does not dial if do not add " # " number, then may need to postpone a period of time (5～10 seconds).
The inventor finds in the invention process, in the prior art, SIP IAD number in the process that collects the digits can not report soft switch at once, there is certain delay, the speed that makes a call is slow, if think the speed of speed call, then need behind number, add and dial " # " number, number just can report soft switch at once, the dialing (need not to add dial " # " number) that causes dialling experience and customary way and dial the traditional PSTN phone experience and customary way just different, particularly some are not often used the user of SIP IAD, because uncomfortable dialing " # " number, after number call is complete, not reaction for a long time, the user of SIP IAD can think that the phone is out of order or dial the wrong number, and causes the user of SIP IAD can't use the user's who has a strong impact on satisfaction and experience like this.
Summary of the invention
Embodiments of the invention provide method, the Apparatus and system of realizing the dialing under the session initiation protocol integrated access equipment SIP IAD, realize need not to dial " # " number process.
A kind of method that realizes the dialing under the session initiation protocol integrated access equipment SIP IAD comprises:
Receive the number of calling user dials successively;
Count figure according to reporting by turn number, send the number that the number reporting message reports the described calling user dials that receives by turn to Softswitch successively, so that described Softswitch carries out numbers match according to the number that receives, thereby realize that described calling subscriber makes a call to the called subscriber, wherein the number reporting message has carried the number by turn of described calling user dials.
A kind of initiation protocol integrated access equipment SIP IAD comprises:
The number receiving element is used for receiving successively the number of calling user dials;
Number reports the unit, be used for according to reporting by turn number to count figure, send the number that the number reporting message reports the described calling user dials that receives by turn to Softswitch successively, so that described Softswitch carries out numbers match according to the number that receives, thereby realize that described calling subscriber makes a call to the called subscriber, wherein the number reporting message has carried the number by turn of described calling user dials.
A kind of system that realizes the dialing under the session initiation protocol integrated access equipment SIP IAD comprises:
Described initiation protocol integrated access equipment SIP IAD is used for receiving successively the number of calling user dials, and according to reporting by turn number to count figure, sends the number that the number reporting message reports the described calling user dials that receives by turn to Softswitch successively;
Described Softswitch is used for passing through successively to receive the number reporting message that described SIP IAD sends, and receives the number of described calling user dials by turn, the number that receives is carried out numbers match, and the back makes a call to the called subscriber in the match is successful.
The technical scheme that is provided by the embodiment of the invention described above as can be seen, count figure according to reporting by turn number, send the number reporting message to Softswitch, make telephone number is in time reported Softswitch by turn, Softswitch can in time carry out numbers match like this, and the match is successful, and the back makes a call to called, and the calling subscriber need not to dial " # " number, also need not long-time time delay and waited for, improved user's experience and improved user's satisfaction.
Description of drawings
Fig. 1 is a kind of flow chart of realizing the method for the dialing under the SIP IAD of the embodiment of the invention;
Fig. 2 is the flow chart that the another kind of the embodiment of the invention is realized the method for the dialing under the SIP IAD;
Fig. 3 is the device schematic diagram of a kind of SIP IAD of the embodiment of the invention;
Fig. 4 is the device schematic diagram of the another kind of SIP IAD of the embodiment of the invention;
Fig. 5 is a kind of system schematic that realizes the dialing under the SIP IAD of the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
In prior art, because SIP IAD can not report soft switch with number information at once in the process that collects the digits, there is certain delay, the speed that makes a call is slow, if think the speed of speed call, then need behind number, add and dial " # " number, number just can report soft switch at once, the dialing (need not to add dial " # " number) that causes dialling experience and customary way and dial the traditional PSTN phone experience and customary way just different, influenced user's experience and satisfaction.Embodiments of the invention provide method, the device of the dialing under a kind of SIP IAD, send the number reporting message by SIP IAD to soft switch, make soft switch in time telephone number to be reported by turn, soft switch can in time be handled like this, the calling subscriber need not to dial " # " number, also need not long-time time delay and waited for, improved user's experience and improved user's satisfaction.
Wherein, in an embodiment of the present invention, SIP IAD mainly finishes the access of analog subscriber phone, and speech signal coding is packaged into IP bag (or revert to voice signal to the IP bag), and cooperating with the Softswitch networking by Session Initiation Protocol provides voice call function; Softswitch is mainly finished functions such as calling out control, media gateway access control, resource allocation, protocol processes, and is responsible for finishing the tasks such as registration, number analysis, Session Initiation Protocol processing, calling procedure processing of SIP IAD.
In order to make those skilled in the art person understand the scheme of the embodiment of the invention better, the embodiment of the invention is described in further detail below in conjunction with drawings and embodiments.
Fig. 1 is a kind of flow chart of realizing the method for the dialing under the SIP IAD of the embodiment of the invention, specifically comprises:
S101:SIP IAD receives the number of calling user dials successively;
S102: according to reporting by turn number to count figure, SIP IAD sends the number that the number reporting message reports the described calling user dials that receives by turn to Softswitch successively, so that Softswitch carries out numbers match according to the number that receives, thereby realize that described calling subscriber makes a call to the called subscriber, wherein the number reporting message has carried the number by turn of described calling user dials.
Like this by send repeatedly number reporting message to Softswitch, make and in time telephone number is reported Softswitch by turn, Softswitch can in time carry out numbers match like this, the match is successful, and the back makes a call to called, the calling subscriber need not to dial " # " number, also need not long-time time delay and waited for, improved user's experience and improved user's satisfaction.
Fig. 2 is the flow chart that the another kind of the embodiment of the invention is realized the method for the dialing under the SIP IAD, the calling subscriber dials the number of terminal B by the terminal A under the SIP IAD, the number of supposing terminal called B is 057188888888, and it is called for the local number of caller, therefore the calling subscriber 9 is that SIP phone identifies wherein with dialing " 988888888 " only, what expression was dialed is SIP phone, with the difference plain old telephone, specifically comprises:
S201:SIP IAD sends login request message to Softswitch.
Under Session Initiation Protocol, login request message can be register message, before terminal under SIP IAD is called, SIP IAD need register to Softswitch, if SIP IAD has succeeded in registration in Softswitch certainly, the user just can directly utilize the terminal under the SIP IAD to call, and need not to have registered.
S202: Softswitch returns the message that succeeds in registration to SIP IAD.
Under Session Initiation Protocol, the message that succeeds in registration is specifically as follows 200OK message.The message that succeeds in registration can be carried and be reported by turn number to count figure, SIP IAD just can utilize this to report by turn number to count figure telephone number has been reported by turn like this, reporting by turn number to count figure is [xABCD*#], can know by number figure definition, the number that receives as SIP IAD is during for any one numeral (0～9) or character (A, B, C, D, *, #), and SIP IAD needs this number is reported Softswitch.
For example: when SIP IAD receives number for " 8 ", with this number with report by turn number to count figure to compare analysis, because this number is 1 bit digital, meet the definition that reports number by turn to count figure, then SIP IAD should numeral " 8 " be reported in the Softswitch at once.
Certainly, the message that succeeds in registration also can need not to carry and report by turn number to count figure, reports by turn number to count figure but dispose this at SIPIAD in advance.
If SIP IAD has stored other number figure, count the succeeding in registration during message of figure by turn when receiving to carry to report, SIP IAD will report number figure by turn to cover other number figure with this, promptly upgrade the number figure of the former storage of SIP IAD.
S203: if carried several figure in the message that succeeds in registration, SIP IAD will count figure and compare with severals figure of being stored among the SIP IAD so, if different, the number figure in the message that then will succeed in registration covers the number that has been stored among the SIP IAD to scheme.
S204: calling subscriber's off-hook.
S205:SIP IAD monitors terminal A by off-hook, and A is put dialing tone to terminal.
S206: after the calling subscriber hears dialing tone, dial the 1st item sign indicating number " 9 " by terminal A.
After S207:SIP IAD receives the 1st item sign indicating number, park dialing tone, and SIP IAD judges that according to going up count off figure by turn needs report the 1st item sign indicating number " 9 " to Softswitch, therefore SIP IAD sets up message by early-session number " 9 " is reported Softswitch, and wherein early-session is set up message and is specially the SIP INVITE.
S208: Softswitch is set up message according to receiving early-session, and preparation is set up early-session with SIP IAD, and returns early-session to SIP IAD and set up response, and wherein early-session is set up to respond and is 183Session Progress message.
S209:SIP IAD sets up early-session with Softswitch after receiving that early-session is set up response.
S210: the calling subscriber then dials the 2nd item sign indicating number " 8 ".
S211:SIP IAD judges that according to going up count off figure by turn needs report the 2nd item sign indicating number " 8 " to Softswitch, and because early-session is set up, after SIP IAD receives the 2nd item sign indicating number " 8 ", send the number reporting message to Softswitch, this number reporting message has carried the 2nd item sign indicating number " 8 ".Concrete: the number reporting message can be Info message in the session.
S212: Softswitch receives the number reporting message, and the number of having received " 8 " is carried out numbers match.Because numbers match is unsuccessful, continuation wait SIP IAD collects the digits and reports.
In carrying out the numbers match process, because the toll free number of default setting is 8, (wherein first " 9 " are special numbers and Softswitch receives only 1, SIP phone is dialed in expression, therefore real called number is since second 8, therefore the number length that receives this moment is designated as 1), the number length that coupling receives is different with the figure place of the local number of default setting, so numbers match is unsuccessful.
Softswitch carries out default setting according to the phone information of various places, such as: local telephone number is 8, and then the local number of default setting is 8 in Softswitch; Beijing is long-distance area, and Pekinese's number is 11 (area code+telephone numbers), and then Beijing toll number of default setting is 11 in Softswitch.
S213: the calling subscriber dials the 3rd～8 item sign indicating number successively.
S214:SIP IAD receives 3～8 item sign indicating numbers successively, and judges that according to going up count off figure by turn needs report n item sign indicating number " 8 " to Softswitch successively.Because early-session is set up, send the number reporting message to Softswitch successively the 3rd～8 item sign indicating number is reported Softswitch.Concrete: the number reporting message can be Info message in the session.
S215: Softswitch carries out numbers match to the number of receiving successively.Because numbers match is unsuccessful, continuation wait SIP IAD collects the digits and reports
S216: calling user dials the 9th item sign indicating number " 8 ".
S217:S IP IAD judges that according to going up count off figure by turn needs report the 9th item sign indicating number " 8 " to Softswitch, and because early-session is set up, send the number reporting message to Softswitch, the number reporting message has carried the 9th item sign indicating number number " 8 ".Concrete: the number reporting message can be Info message in the session.
S218: Softswitch carries out numbers match to the number of receiving.Because the number that receives of accumulative total is 8, identical with the figure place of the local number of default setting, think that then numbers match is complete, Softswitch is waited for no longer that SIP IAD collects the digits and is reported, directly makes a call to called subscriber's terminal B.
S219: terminal B ring.
S220: Softswitch is replied the ring response to SIP IAD, and is concrete, and the ring response is the 180Ringing response.
After S221:SIP IAD received the ring response, A was put ring-back tone to terminal
S222: terminal B off-hook is replied
S223: Softswitch is replied the off-hook response to SIP IAD, represents called agreement foundation conversation, and concrete, the off-hook response is 200OK.
S224:SIP IAD receives the off-hook response, replys acknowledge message to Softswitch, and SIP IAD parks ring-back tone simultaneously.
Send the number reporting message by SIP IAD to soft switch, make and in time telephone number is reported Softswitch by turn, Softswitch can in time carry out numbers match like this, the match is successful, and the back makes a call to called, the calling subscriber need not to dial " # " number, also need not long-time time delay and waited for, improved user's experience and improved user's satisfaction.
Fig. 3 is the device schematic diagram of a kind of SIP IAD of the embodiment of the invention, comprising:
In the concrete example, SIP IAD can also comprise registering unit 33 and number figure updating block 34, and registering unit 33 is used for sending login request message to Softswitch, and realizes registration in Softswitch; Receive the message that succeeds in registration that described Softswitch returns, carried in the described message that succeeds in registration and report by turn number to count figure; Number figure updating blocks 34, the number figure that are used to upgrade local storage are that the number that reports by turn that described registering unit gets access to is counted figure.
In another concrete example, SIP IAD can also comprise that early-session sets up unit 35, be used for sending early-session and set up message, set up response, set up early-session with described Softswitch according to the early-session that described Softswitch returns to Softswitch; Number reports unit 32 specifically to be used for counting figure according to the described number that reports by turn, sets up successful early-session reports the described calling user dials that receives by turn to described Softswitch transmission number reporting message number by described successively.
In another concrete example, SIP IAD can also comprise memory cell, is used for storing in advance reporting by turn number to count figure.
Need to prove, in the execution mode of the device of above SIP IAD, the division of each functional module only illustrates, can be as required in the practical application, facility such as the realization of the configuration requirement of corresponding hardware or software is considered, and the above-mentioned functions distribution is finished by different functional modules, the internal structure that is about to described Softswitch is divided into different functional modules, to finish all or part of function described above.And in the practical application, corresponding functional modules in the present embodiment can be to be realized by relevant hardware, also can carry out corresponding software by relevant hardware finishes, for example, aforesaid number reports unit 32, can be for having the hardware of carrying out aforementioned functional, such as, have number and report device, and other the general number reporting devices that can carry out aforementioned functional, thereby also can be to carry out the general information receiving and transmitting device that the corresponding computer program is finished aforementioned functional.
Fig. 5 is a kind of system schematic that realizes the dialing under the SIP IAD of the embodiment of the invention.
A concrete example, above-mentioned Softswitch 52, the early-session that is further used for receiving by turn described SIPIAD is set up message, return early-session to described SIP IAD and set up response, and the early-session of foundation and described SIP IAD, receive the number reporting message that described SIP IAD utilizes the successful early-session of described foundation to send successively, wherein said number reporting message has carried the number by turn of calling user dials, carry out numbers match according to the number that receives calling user dials, after the numbers match success, make a call to the called subscriber.
SIP IAD is according to reporting by turn number to count figure, send the number reporting message to Softswitch, make telephone number is in time reported Softswitch by turn, Softswitch can in time carry out numbers match like this, the match is successful, and the back makes a call to called, the calling subscriber need not to dial " # " number, also need not long-time time delay and has waited for, has improved user's experience and has improved user's satisfaction.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential hardware platform, can certainly all implement, but the former is better execution mode under a lot of situation by hardware.Based on such understanding, all or part of can the embodying that technical scheme of the present invention contributes to background technology with the form of software product, described software product can be used to carry out above-mentioned method flow.This computer software product can be stored in the storage medium, as ROM/RAM, magnetic disc, CD etc., comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of some part of each embodiment of the present invention or embodiment.
Though described the present invention by embodiment, those of ordinary skills know, the present invention has many distortion and variation and do not break away from spirit of the present invention, and the claim of application documents of the present invention comprises these distortion and variation.
Claims (10)
1. a method that realizes the dialing under the session initiation protocol integrated access equipment SIP IAD is characterized in that, comprising:
Receive the number of calling user dials successively;
Count figure according to reporting by turn number, send the number that the number reporting message reports the described calling user dials that receives by turn to Softswitch successively, so that described Softswitch carries out numbers match according to the number that receives, thereby realize that described calling subscriber makes a call to the called subscriber, wherein the number reporting message has carried the number by turn of described calling user dials.
2. processing method according to claim 1 is characterized in that, also comprises:
Send login request message to Softswitch, and in Softswitch, realize registration;
Receive the message that succeeds in registration that described Softswitch returns, carried in the described message that succeeds in registration and report by turn number to count figure,
And counting figure according to the number that reports by turn that carries in the message that succeeds in registration, the number figure that upgrade local storage count figure for reporting by turn number.
3. processing method according to claim 1 is characterized in that, also comprises:
Send early-session to Softswitch and set up message;
Set up response according to the early-session that described Softswitch returns, set up early-session with described Softswitch;
Described basis reports by turn number to count figure, sends the number reporting message to Softswitch successively and is specially:
According to reporting by turn number to count figure, set up successful early-session reports the described calling user dials that receives by turn to described Softswitch transmission number reporting message number by described successively.
4. processing method according to claim 1 is characterized in that, also comprises: storage in advance reports by turn number to count figure.
5. an initiation protocol integrated access equipment SIP IAD is characterized in that, comprising:
The number receiving element is used for receiving successively the number of calling user dials;
Number reports the unit, be used for according to reporting by turn number to count figure, send the number that the number reporting message reports the described calling user dials that receives by turn to Softswitch successively, so that described Softswitch carries out numbers match according to the number that receives, thereby realize that described calling subscriber makes a call to the called subscriber, wherein the number reporting message has carried the number by turn of described calling user dials.
6. SIP IAD according to claim 5 is characterized in that, also comprises: registering unit and number figure updating block, and described registering unit is used for sending login request message to Softswitch, and realizes registration in Softswitch; Receive the message that succeeds in registration that described Softswitch returns, carried in the described message that succeeds in registration and report by turn number to count figure;
Described several figure updating block, the number figure that are used to upgrade local storage are that the number that reports by turn that described registering unit gets access to is counted figure.
7. SIP IAD according to claim 5 is characterized in that, also comprises: memory cell is used for storing in advance and reports by turn number to count figure.
8. SIP IAD according to claim 5 is characterized in that, also comprises:
Early-session is set up the unit, is used for sending early-session to Softswitch and sets up message, sets up response according to the early-session that described Softswitch returns, and sets up early-session with described Softswitch;
Described number reports the unit specifically to be used for counting figure according to the described number that reports by turn, sets up successful early-session reports the described calling user dials that receives by turn to described Softswitch transmission number reporting message number by described successively.
9. a system that realizes the dialing under the session initiation protocol integrated access equipment SIP IAD is characterized in that, comprises initiation protocol integrated access equipment SIP IAD and soft switch device:
Described initiation protocol integrated access equipment SIP IAD is used for receiving successively the number of calling user dials, and according to reporting by turn number to count figure, sends the number reporting message to Softswitch successively, reports the number of the described calling user dials that receives by turn;
Described Softswitch is used for passing through successively to receive the number reporting message that described SIP IAD sends, and receives the number of described calling user dials by turn, the number that receives is carried out numbers match, and the back makes a call to the called subscriber in the match is successful.
10. system according to claim 9, it is characterized in that, also comprise: described Softswitch, the early-session that specifically is used for receiving by turn described SIP IAD is set up message, return early-session to described SIP IAD and set up response, and the early-session of foundation and described SIP IAD, receive the number reporting message that described SIP IAD utilizes the successful early-session of described foundation to send successively, wherein said number reporting message has carried the number by turn of calling user dials, carry out numbers match according to the number that receives calling user dials, after the numbers match success, make a call to the called subscriber.
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| CN200910238878.8A CN102118519B (en) | 2009-12-31 | 2009-12-31 | Method and system for realizing telephone dialing in session initiation protocol integrated access device (SIP IAD) and device |
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| CN200910238878.8A CN102118519B (en) | 2009-12-31 | 2009-12-31 | Method and system for realizing telephone dialing in session initiation protocol integrated access device (SIP IAD) and device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104426883A (en) * | 2013-09-03 | 2015-03-18 | 华为技术有限公司 | User digit map transmission processing method, device and system |
| WO2016127304A1 (en) * | 2015-02-10 | 2016-08-18 | 华为技术有限公司 | Voice service registration method and digital terminal |
| CN111083296A (en) * | 2020-03-25 | 2020-04-28 | 成都康胜思科技有限公司 | Hotel intelligent housekeeper system based on voice recognition |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1901585A (en) * | 2005-07-21 | 2007-01-24 | 中兴通讯股份有限公司 | Number receiving method and its system for IP telephone conecting device |
| CN1984199B (en) * | 2005-12-14 | 2011-06-08 | 华为技术有限公司 | Method for overlapped transmitting number by session initial protocol |
| CN101394443B (en) * | 2008-10-24 | 2013-03-20 | 华为技术有限公司 | Method, system and device for in-band number receiving |
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2009
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104426883A (en) * | 2013-09-03 | 2015-03-18 | 华为技术有限公司 | User digit map transmission processing method, device and system |
| WO2016127304A1 (en) * | 2015-02-10 | 2016-08-18 | 华为技术有限公司 | Voice service registration method and digital terminal |
| US10489569B2 (en) | 2015-02-10 | 2019-11-26 | Huawei Technologies Co., Ltd. | Voice service registration method and digital terminal |
| CN111083296A (en) * | 2020-03-25 | 2020-04-28 | 成都康胜思科技有限公司 | Hotel intelligent housekeeper system based on voice recognition |
| CN111083296B (en) * | 2020-03-25 | 2020-06-26 | 成都康胜思科技有限公司 | Hotel intelligent housekeeper system based on voice recognition |
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| CN102118519B (en) | 2014-04-30 |
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