CN101394443B - Method, system and device for in-band number receiving - Google Patents
Method, system and device for in-band number receiving Download PDFInfo
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- CN101394443B CN101394443B CN 200810173222 CN200810173222A CN101394443B CN 101394443 B CN101394443 B CN 101394443B CN 200810173222 CN200810173222 CN 200810173222 CN 200810173222 A CN200810173222 A CN 200810173222A CN 101394443 B CN101394443 B CN 101394443B
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Abstract
The embodiment of the invention discloses an in-band number receiving method, which comprises the following steps: during the subscriber communication process, receiving messages which are sent by an application server, and contain the service access codes of the in-band DTMF service; receiving subscriber in-band dialing information and matching the subscriber in-band dialing information with the service access codes of the in-band DTMF service sent by the application server, if the matching is done, sending the in-band dialing information to the application server. In the embodiment of the invention, a service control network element AS sends numeral and picture information required by the service, an access network element or an access terminal sends numerals and pictures to a media network gateway which is matched with the subscriber in-band dialing information according to the numeral and picture information, therefore, the report is required only when the matching is done, so as to reduce the potential safety hazard.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of with in the method, system and the equipment that collect the digits.
Background technology
At present a lot of business have all been used DTMF (Dual Tone Multi Frequency in the band, dual-tone multifrequency) detects, detection mode all is to detect by terminal or access network element, then reports AS (Application Server, application server) and processes.
After terminal or access network element detect user's the interior dialing information of band in the prior art, report by turn AS by out-band method, can transmit dtmf signal with the INFO method in the Session Initiation Protocol.When AS need to provide when detecting dtmf signaling in the band professional, generally be that the configuration by access network element or terminal determines, user's the interior dialing information of all bands is all reported AS by turn by INFO.
In the prior art, each network element starts the tracking for particular number in IMS, can easily obtain user's the information such as card number password.Therefore, there is certain potential safety hazard in the existing by turn mode of the interior dialing information of report of user band of out-band method of passing through.
Summary of the invention
The embodiment of the invention provide a kind of with in the method, system and the equipment that collect the digits, when network side requires to detect in the band dtmf signal, avoid user's private information in the leakage of signaling aspect.
For achieving the above object, the embodiment of the invention provide a kind of with in the method that collects the digits, comprising:
Access device, in the user's communication process, receive the INFO that application server sends, according to the media gateway ability several figure information of carrying in the described INFO are converted to the form that media gateway can be supported, be handed down to media gateway, carry the XML script of several figure information in the described message, comprising the service access code of DTMF business in the band;
Media gateway, receive the user and be with interior dialing information, described user is mated with the service access code of DTMF business in the band of interior dialing information and application server transmission, if the match is successful, then dialing information in the described band is sent to described application server, if mate unsuccessfully, do not report dialing information in the described band to described application server.
The embodiment of the invention provide a kind of with in the system that collects the digits, comprising:
Access device, be used in the user's communication process, receive the INFO that application server sends, according to the media gateway ability several figure information of carrying in the described INFO are converted to the form that media gateway can be supported, be handed down to media gateway, carry the XML script of several figure information in this message, comprising the service access code of DTMF business in the band;
Application server is for the message that sends the service access code that carries described application server needs to access device;
Media gateway, be used in the user's communication process, receive the user and be with interior dialing information, described user is mated with the service access code of DTMF business in the band of interior dialing information and application server transmission, if the match is successful, then dialing information in the described band is sent to described application server, if mate unsuccessfully, do not report dialing information in the described band to described application server.
The embodiment of the invention provides a kind of application server, comprising:
Transmitting element, be used for described inspection unit confirm signatory need to detect the business of dialing information in the band after, the message of carrying the service access code that described application server needs is sent to access device;
Access device, be used in the user's communication process, receive the INFO that application server sends, according to the media gateway ability several figure information of carrying in the described INFO are converted to the form that media gateway can be supported, be handed down to media gateway, carry the XML script of several figure information in this message, comprising the service access code of DTMF business in the band, and will send to described application server from dialing information in the band of described media gateway;
Receiving element, dialing information in the band that the service access code that being used for receiving needs with application server mates, so that media gateway is mated described user with the service access code of DTMF business in the band of interior dialing information and application server transmission, if the match is successful, then dialing information in the described band is sent to described application server; If mate unsuccessfully, do not report dialing information in the described band to described application server.
The embodiment of the invention provides a kind of access device, comprising:
Receiving element is used for receiving the INFO from described application server, carries the XML script of several figure information in this message, comprising the service access code of DTMF business in the band;
Retransmission unit is converted to the form that media gateway can be supported according to the media gateway ability with several figure information of carrying in the described INFO, the lower media gateway that sends to; So that media gateway is mated described user with the service access code of DTMF business in the band of interior dialing information and application server transmission, if the match is successful, then dialing information in the described band is sent to described application server; If mate unsuccessfully, do not report dialing information in the described band to described application server.
The embodiment of the invention provides a kind of media gateway, comprising:
The access code receiving element is for the message of the service access code that receives the described application server needs of carrying of described application server transmission; Wherein, access device, be used in the user's communication process, receive the INFO that application server sends, according to the media gateway ability several figure information of carrying in the described INFO are converted to the form that media gateway can be supported, be handed down to media gateway, carry the XML script of several figure information in this message, comprising the service access code of DTMF business in the band;
Dialing information receiving element in the band is used in the user's communication process, dialing information in the band that the reception user sends;
Matching unit, mate with the service access code of interior dialing information and the reception of described access code receiving element for the user that dialing information receiving element in the described band is received, if the match is successful, then dialing information in the described band is sent to described application server.
Compared with prior art, there is following advantage at least in the embodiment of the invention:
In the embodiment of the invention, several figure information that the service control network element AS issuing service requires, access network element or access terminal and issue several figure to media gateway, by media gateway according to dialing information in several figure information matches users' the band, only having just needs to report after the match is successful, has reduced potential safety hazard.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do one to the accompanying drawing of required use in embodiment or the description of the Prior Art and introduce simply, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 be in the embodiment of the invention one a kind of with in the method flow diagram that collects the digits;
Fig. 2 is conversation service switchover flow chart in the embodiment of the invention two;
Fig. 3 be in the embodiment of the invention a kind of with in the system construction drawing that collects the digits;
Fig. 4 is a kind of application server structure chart in the embodiment of the invention;
Fig. 5 is a kind of access device structure chart in the embodiment of the invention;
Fig. 6 is a kind of media gateway architectures figure in 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 obtains under the creative work prerequisite.
The embodiment of the invention one provide a kind of with in the method that collects the digits, as shown in Figure 1, comprising:
Also comprise before the step 101:
The service access code that receives the application server transmission also comprises before:
Application server checks in calling procedure whether the calling subscriber has contracted needs to detect the business of dialing information in the band, if signatory, then to access device send carry this application server need to the message of service access code.
Wherein, receive the message that application server sends and comprise: access device receives the message that application server sends, and the service access code of DTMF business in the band that carries in this message is converted to the form that media gateway is supported, is handed down to media gateway.
In the embodiment of the invention one, the service access code that the service control network element AS issuing service is corresponding, access network element or the issuing service access code that accesses terminal be to media gateway, and according to dialing information in the band of service access code match user, only having just needs to report after the match is successful by media gateway.
In the embodiment of the invention two, take the conversation service switchover as example explanation AS with access device (for example access network element or access terminal) between cooperate, flow process collects the digits in realizing being with.For IMS (IP Multimedia Subsystem, IP Multimedia System), accessing terminal is PCSCF (Proxy Call Session Control Function, proxy-call session control function) SIP (the Session Initiated Protocol below, Session initiation Protocol) IAD (Integrated Access Device, integrated access equipment), sip terminal, software terminal etc., access network element refers to MGCF (Media Gateway Control Function, MGCF), AGCF (Access Gateway Control Function, AGCF) etc.
At first, user A (calling subscriber) sets up the conversation with user B (called subscriber), and specifically the path is, user A＞-access device A＞-AS (A)＞-AS (B)＞-access device B＞-user B.The conversation service switchover is in calling subscriber and called subscriber's communication process, the direct button of calling subscriber or called subscriber switches to the 3rd user with calling, professional main application scenarios is that the user will call out in communication process between mobile phone and fixed line, software terminal and switch arbitrarily, in the whole handoff procedure, original conversation does not need to interrupt.
As shown in Figure 2, the access code of supposing the conversation service switchover is * 17, before calling subscriber and called subscriber set up calling, calling subscriber or called subscriber can bind the 3rd user, when needs switch, calling subscriber or called subscriber are switched to " access code * 17+ the 3rd user's number ", detailed process may further comprise the steps, and has wherein omitted the description of callee side:
Step 201, AS (A) judges the signatory conversation of calling subscriber service switchover (called subscriber whether judged by the AS under the called subscriber (B) by signatory conversation service switchover), can be according to calling subscriber's the identification information judgment conversation service switchover of whether having contracted, can by the new logo bit representation is set, also can utilize existing bit not have the combination sign of using.
Content in the concrete script is not limit, as long as can carry the severals figure information that comprise service access code, and * 17*x.|*17# for example, several figure information examples are as follows:
Step 203, after access device is received the INFO that carries several figure information, according to the media gateway ability, several figure information are converted to the form that media gateway can be supported, be handed down to media gateway, make dialing information in the band of the service access code match user that media gateway can comprise according to several figure information, only having fully, coupling just can report dialing information in the band.
Step 204, gateway sends 200 to AS, represents that this gateway has obtained coupling access code and the ability of counting figure information.
Step 205, user A is to accessing terminal or the interior dtmf dialing information * 17*88888888# of IAD transmission band;
Step 206, gateway are judged the interior DTMF of band that the user sends and are counted the access code coupling that comprises in the figure information, then send INFO to AS, carry * 17*88888888# in this INFO.The user does not dial in overtime or when it fails to match, and reported event does not only report DTMF information in the band that this user sends, and gateway is sent to the opposite end with DTMF information according to normal media path.Therefore, if the user calls the business such as bank, then can it fails to match, user's the private informations such as card number password can not reported AS, cause leakage.
Step 207 after AS receives, sends 200 to gateway.
Step 208, AS carries out Business Processing.For example, switch for conversation, AS can initiate to the calling of user C (number be the user input 888888), connect after the C, discharge A, enter conversation between B and the C, thereby realize the switching between user A and the C.
In addition, in step 206, if it fails to match for the access code that comprises in DTMF and the number figure information in the band that the user sends, then gateway can be with the interior DTMF information reporting of this unmatched band to AS, but DTMF information is sent to opposite end media gateway and user according to normal media path.
In addition, AS can send an access code to gateway, and then gateway mates DTMF information in the comfortable band of user according to this access code; If AS sends two above access codes (having in two kinds of bands the DTMF professional such as the user is signatory) to gateway, then gateway can carry out matching operation to DTMF information in the band of user's input according to these access codes, if with one of them access code coupling, then the match is successful, report dialing information in the band to AS, if all it fails to match, then do not report dialing information in the band, gateway is sent to the opposite end with DTMF information according to normal media path.
In the embodiment of the invention two, service control network element AS issues the several figure information that comprise service access code, access network element or terminal issue several figure to media gateway, according to dialing information in the band of the service access code match user that comprises in several figure information, only having just needs to report after the match is successful by media gateway.
The embodiment of the invention provide a kind of with in the system that collects the digits, as shown in Figure 3, comprising: application server 310 is used for sending the message of carrying the service access code that application server 310 needs to media gateway 330; Media gateway 330, in the user's communication process, receive the user and be with interior dialing information, this user is mated with the service access code of DTMF business in the band of interior dialing information and application server 310 transmissions, if the match is successful, dialing information sent to application server 310 in then should being with.
The system that collects the digits in this band also comprises access device 320, after the message that carries the service access code of DTMF business in the band of self-application server 310 is carried out format conversion in the future, send to media gateway 330, and will send to application server 310 from dialing information in the band of media gateway 330.
Wherein, access device can comprise access network element or access terminal.
The embodiment of the invention provides a kind of application server, as shown in Figure 4, comprising: transmitting element 410, and the message that is used for carrying the service access code that application server 310 needs sends to access device; Receiving element 420, dialing information in the band that the service access code that being used for receiving needs with application server 310 mates.
This application server also comprises inspection unit 430, needs to detect the business of the interior dialing information of band for checking whether the calling subscriber has contracted, if signatory, then triggers transmitting element 410.
The embodiment of the invention provides a kind of access device, as shown in Figure 5, comprising: receiving element 510 receives the message that carries the service access code of DTMF business in the band from application server; Retransmission unit 520 after this message is carried out format conversion, sends to media gateway.
The embodiment of the invention provides a kind of media gateway, as shown in Figure 6, comprising: access code receiving element 610, for the message of the service access code that carries the application server needs that receives the application server transmission; Dialing information receiving element 620 in the band is used in the user's communication process, dialing information in the band that the reception user sends; Matching unit 630, be used for will band in the user that receives of dialing information receiving element 620 mate with the service access code of interior dialing information with 610 receptions of access code receiving element, if the match is successful, then will be with interior dialing information to send to application server.
In the embodiment of the invention, severals figure information that the service control network element AS issuing service requires, access device issues several figure to media gateway, according to dialing information in several figure information matches users' the band, only has that the match is successful just needs to report afterwards by media gateway.Namely only detect the particular number information of AS demand, for other dialing informations of user, such as card number password of user's input etc., directly be suppressed at the media aspect, in signaling, do not embody, thereby prevent user's the leakage of private information in IMS.In the media aspect, dtmf signal can be encrypted transmission in the band, such as 2833 modes, if therefore can accomplish with these private informations be suppressed at the media aspect just can guarantee in IMS can be end-to-end the solution telephone bank problem of divulging a secret.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by hardware, also can realize based on such understanding by the mode that software adds necessary general hardware platform, technical scheme of the present invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprise that some instructions are with so that a computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. the method that collects the digits in the band is characterized in that, comprising:
Access device, in the user's communication process, receive the INFO that application server sends, according to the media gateway ability several figure information of carrying in the described INFO are converted to the form that media gateway can be supported, be handed down to media gateway, carry the XML script of several figure information in the described message, comprising the service access code of DTMF business in the band;
Media gateway, receive the user and be with interior dialing information, described user is mated with the service access code of DTMF business in the band of interior dialing information and application server transmission, if the match is successful, then dialing information in the described band is sent to described application server, if mate unsuccessfully, do not report dialing information in the described band to described application server.
2. the method for claim 1 is characterized in that, the service access code that receives the application server transmission also comprises before:
Application server checks in calling procedure whether the calling subscriber has contracted needs to detect the business of dialing information in the band, if signatory, then to access device send carry described application server need to the message of service access code.
3. the system that collects the digits in the band is characterized in that, comprising:
Access device, be used in the user's communication process, receive the I NFO message that application server sends, according to the media gateway ability several figure information of carrying in the described INFO are converted to the form that media gateway can be supported, be handed down to media gateway, carry the XML script of several figure information in this message, comprising the service access code of DTMF business in the band;
Application server is for the message that sends the service access code that carries described application server needs to access device;
Media gateway, be used in the user's communication process, receive the user and be with interior dialing information, described user is mated with the service access code of DTMF business in the band of interior dialing information and application server transmission, if the match is successful, then dialing information in the described band is sent to described application server, if mate unsuccessful, only reported event does not report dialing information in the described band to described application server.
4. system as claimed in claim 3 is characterized in that, described access device comprises access network element or accesses terminal.
5. an application server is characterized in that, comprising:
Transmitting element, the message that is used for carrying the service access code that described application server needs sends to access device;
Access device, be used in the user's communication process, receive the INFO that application server sends, according to the media gateway ability several figure information of carrying in the described INFO are converted to the form that media gateway can be supported, be handed down to media gateway, carry the XML script of several figure information in this message, comprising the service access code of DTMF business in the band, and will send to described application server from dialing information in the band of described media gateway;
Receiving element, dialing information in the band that the service access code that being used for receiving needs with application server mates, so that media gateway is mated described user with the service access code of DTMF business in the band of interior dialing information and application server transmission, if the match is successful, then dialing information in the described band is sent to described application server; If mate unsuccessfully, do not report dialing information in the described band to described application server.
6. application server as claimed in claim 5 is characterized in that, also comprises:
Inspection unit needs to detect the business of the interior dialing information of band for checking whether the calling subscriber has contracted, if signatory, then triggers described transmitting element.
7. a media gateway is characterized in that, comprising:
The access code receiving element is for the INFO of the service access code that receives the described application server needs of carrying of application server transmission; Wherein, access device, be used in the user's communication process, receive the INFO that application server sends, according to the media gateway ability several figure information of carrying in the described INFO are converted to the form that media gateway can be supported, be handed down to media gateway, carry the XML script of several figure information in this message, comprising the service access code of DTMF business in the band;
Dialing information receiving element in the band is used in the user's communication process, dialing information in the band that the reception user sends;
Matching unit, mate with the service access code of interior dialing information and the reception of described access code receiving element for the user that dialing information receiving element in the described band is received, if the match is successful, then dialing information in the described band is sent to described application server, if mate unsuccessful, only reported event does not report dialing information in the described band to application server.
8. an access device is characterized in that, comprising:
Receiving element is used for receiving the INFO from application server, carries the XML script of several figure information in this message, comprising the service access code of DTMF business in the band;
Retransmission unit is converted to the form that media gateway can be supported according to the media gateway ability with several figure information of carrying in the described INFO, is handed down to media gateway; So that media gateway is mated the user with the service access code of DTMF business in the band of interior dialing information and application server transmission, if the match is successful, then dialing information in the described band is sent to described application server; If mate unsuccessfully, do not report dialing information in the described band to described application server.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200810173222 CN101394443B (en) | 2008-10-24 | 2008-10-24 | Method, system and device for in-band number receiving |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200810173222 CN101394443B (en) | 2008-10-24 | 2008-10-24 | Method, system and device for in-band number receiving |
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| CN101394443A CN101394443A (en) | 2009-03-25 |
| CN101394443B true CN101394443B (en) | 2013-03-20 |
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| CN 200810173222 Active CN101394443B (en) | 2008-10-24 | 2008-10-24 | Method, system and device for in-band number receiving |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101552700B (en) * | 2008-04-01 | 2011-03-23 | 华为技术有限公司 | Report control method and device for matching result |
| CN101699919B (en) * | 2009-09-30 | 2012-05-23 | 华为技术有限公司 | Transmission method and device for DTMF signals |
| CN102118519B (en) * | 2009-12-31 | 2014-04-30 | 华为技术有限公司 | Method and system for realizing telephone dialing in session initiation protocol integrated access device (SIP IAD) and device |
| CN102571718A (en) * | 2010-12-20 | 2012-07-11 | ***通信集团浙江有限公司 | Voice call handover method based on IMS network and handover application server |
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| CN1409930A (en) * | 1999-10-14 | 2003-04-09 | 科恩格森特***股份有限公司 | Method and apparatus for early detection of DTMF signals in voice transmission over IP network |
| US6798880B1 (en) * | 1999-03-04 | 2004-09-28 | Avaya Technology Corp. | System and method for suppressing in-band stimuli and telecommunications infrastructure incorporating the same |
| CN1549558A (en) * | 2003-05-21 | 2004-11-24 | 华为技术有限公司 | DTMF (double-tone multifrequency) signal receiving method and apparatus |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6798880B1 (en) * | 1999-03-04 | 2004-09-28 | Avaya Technology Corp. | System and method for suppressing in-band stimuli and telecommunications infrastructure incorporating the same |
| CN1409930A (en) * | 1999-10-14 | 2003-04-09 | 科恩格森特***股份有限公司 | Method and apparatus for early detection of DTMF signals in voice transmission over IP network |
| CN1549558A (en) * | 2003-05-21 | 2004-11-24 | 华为技术有限公司 | DTMF (double-tone multifrequency) signal receiving method and apparatus |
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