CN101068291B - Realizing method for H.248 protocol supporting call rejection function - Google Patents
Realizing method for H.248 protocol supporting call rejection function Download PDFInfo
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- CN101068291B CN101068291B CN2007101235818A CN200710123581A CN101068291B CN 101068291 B CN101068291 B CN 101068291B CN 2007101235818 A CN2007101235818 A CN 2007101235818A CN 200710123581 A CN200710123581 A CN 200710123581A CN 101068291 B CN101068291 B CN 101068291B
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Abstract
A method of utilizing H.248 protocol to support refuse-receiving function of incoming call includes sending received refuse-receiving message of called terminal to H.248 protocol adaptive unit by media gateway, reporting sound-playing end event to media gateway controller after said refuse-receiving message is received by H.248 protocol adaptive unit, judging whether there is complementary service at called side or not by gateway controller and triggering up complementary service if it is or otherwise releasing called and calling connections.
Description
Technical field
The present invention relates to IP phone (VOIP, Voice Over IP) call signaling treatment technology, relate in particular to a kind of implementation method of H.248 protocol supporting incoming call receiving rejection function.
Background technology
H.248 agreement is the MGCP that was proposed by the 16th working group of International Telecommunications Union telecommunication standards group (ITU-T) in 2000, it is to improve in early days MGCP (MGCP, the MediaGateway Control Protocol) basis to form.H.248 agreement is the gateway control protocol that is used to connect Media Gateway Controller (MGC, Media Gateway Controller) and media gateway (MG, Media Gateway), is the important protocol that soft switch should be supported.H.248 introduce context (context) notion in the agreement, increased the definition of many bags (package), thereby advanced MGCP greatly.
Under the application scenarios of fixed terminal, subscribers feeder relaying (FXS, Foreign Exchange Station) conduct is destination node H.248, does not have the demand of incoming call blocking.Therefore H.248 do not relate to the call treatment of incoming call blocking in the agreement, H.248 relevant both at home and abroad standard does not provide the handling process of incoming call blocking yet.
But development and bluetooth (BT along with VOIP, Blue Tooth), Wireless Fidelity (WiFi, WirelessFidelity) etc. the wireless personal network technology/the LAN The Application of Technology more and more widely, fixed network moves fusion (FMC, Fixed-Mobile Convergence) trend is day by day distinct, progressively begin to increase support in the various voice gateway equipments, promptly allow the WiFi/ Bluetooth cordless telephone various wireless and IP terminals, GSM/BT, GSM/Wifi, 3G/BT, 3G/Wifi, PHS/BT, various IP phone and VOIP software terminal etc. have ambulant extension set and are linked in the voice gateways.
After the novel voice gateway is disposed, H.248 media gateway is as the logic part of this voice gateways, if do not support incoming call blocking function, the inconsistent situation of user's experience will occur: portable terminal is sent a telegram here as called rejection incoming call under the gateway, but can't notify MGC, cause called connection in time not discharge, the calling subscriber listens the called terminal ringing sound always.If supplementary service is arranged on the called subscriber, with the Call Forwarding No Reply is example, portable terminal is sent a telegram here as called rejection incoming call under the gateway, but can't notify MGC, cause the Call Forwarding No Reply business in time not trigger, and the timer expiry of going up to the called terminal ringing setting up to MGC just can trigger the Call Forwarding No Reply business.
When called rejection, the calling party but can not experience, and when having supplementary service, the called subscriber can not in time offer the calling party, along with portable terminal is used more and more in the novel voice gateway, and receiving rejection function is one of critical function of portable terminal, therefore, incoming call blocking is handled seemed particularly important.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of implementation method of H.248 protocol supporting incoming call receiving rejection function, can improve the H.248 service quality of protocol communication.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of implementation method of H.248 protocol supporting incoming call receiving rejection function may further comprise the steps:
A, media gateway are sent to H.248 protocol adaptation unit with the terminal called rejection message that receives, and described H.248 protocol adaptation unit reports playback End Event g/sc to Media Gateway Controller after receiving described rejection message;
B, described gateway controller judge whether callee side has supplementary service, if then trigger compensation business is arranged, otherwise discharge the connection of called and caller.
Wherein, the sound mode of the stopping parameter among the described playback End Event g/sc is that NC is not finished in overtime T0 of playback or playback.
Wherein, described terminal called is portable terminal or the fixed terminal with receiving rejection function.
The present invention passes through H.248 increasing the flow process that incoming call blocking is handled under the agreement, and the supplementary service of call release connection in time or triggering callee side when called subscriber's rejection is to the experience of user friendly unanimity.The present invention has improved the H.248 service quality of the communication system of agreement support.
Description of drawings
Fig. 1 is the structural representation of application scenarios of the present invention;
Fig. 2 is the H.248 flow chart of the implementation method of protocol supporting incoming call receiving rejection function of the present invention.
Embodiment
Core concept of the present invention is: along with the continuous development of wireless personal networks such as bluetooth, WiFi technology/LAN technology, H.248 portable terminal is linked into, and the protocol media gateway is the trend of development, and receiving rejection function is one of critical function of portable terminal support, therefore, in agreement H.248, the handling process ever more important of incoming call blocking.Pin of the present invention is this blank of agreement H.248, has proposed detailed incoming call blocking processing method, realizes simply and with the existing call flow process not conflicting, and can effectively improve service quality.Describe the present invention below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of application scenarios of the present invention.As shown in Figure 1, fixed telephone terminal is by wired mode access media gateway, and portable terminals such as GSM/ bluetooth mode mobile terminal and bluetooth handheld device pass through the wireless mode access media gateway, and media gateway is connected in Media Gateway Controller by packet network.Like this, portable terminals such as fixed telephone terminal, GSM/ bluetooth mode mobile terminal and bluetooth handheld device can be realized call communication.Portable terminal can move arbitrarily in the wireless network scope of bluetooth or WiFi support and not influence calling and speech quality, and is convenient for users.Media Gateway Controller can have a plurality ofly in the communication system, and its mutual communication is connected with a plurality of media gateway under the Media Gateway Controller, includes in the media gateway to support the H.248 H.248 protocol adaptation unit of agreement.Terminal under voice gateways control, is carried out Signalling exchange with MGC as a destination node H.248, finish calling continue and voice communication is carried out in the voice gateways outside.
It should be understood by one skilled in the art that above-mentioned structure is the existing communication system architecture.Introduce rejection handling process of the present invention below in conjunction with above-mentioned communication construction.
Fig. 2 is the H.248 flow chart of the implementation method of protocol supporting incoming call receiving rejection function of the present invention.As shown in Figure 2, the implementation method of incoming call blocking function of the present invention comprises:
Step 201: when calling out access, the MGC under the called subscriber require to put ring back tone (comprise and distinguish ring) on terminal called, and requirement detects called subscriber's off-hook event al/of and playback End Event g/sc on the destination node by the Modify signaling.
Step 202: voice gateways land calling to terminal called, and terminal called refuses to answer (manual or automatic rejection) after listening ring, give media gateway by media gateway interface with the rejection information reporting.Among the present invention, terminal called can be bluetooth/wifi cordless telephone, support global system for mobile communications (GSM, GlobalSystem for Mobile Communications), personal handyphone system (PHS, PersonalHandy-phone System), the bimodulus of 3G (Third Generation) Moblie (3G) and WiFi or bluetooth BT, multi-module mobile terminal etc., certainly, also can be other terminal of supporting receiving rejection function, as fixed terminal.
Step 203: voice gateways are by inner message mechanism, with called subscriber's rejection message informing protocol adaptation unit H.248.
Step 204:H.248 protocol adaptation unit is received rejection message under called terminal ringing (comprise and distinguish ring) situation, report playback End Event g/sc to MGC, wherein stopping sound mode parameter, can be playback overtime " T0 ", also can the time playback do not finish " NC ".
Step 205:MGC does not receive called subscriber's off-hook event al/of, is " T0 " but stop sound mode parameter, and perhaps the playback End Event g/sc of " NC " judges that called subscriber's refusal is answered or the callee side playback is overtime.This moment, MGC judged whether the called subscriber has other supplementary services, then entered step 206 if having, otherwise entered step 208.
Step 206: trigger compensation business flow process.With the Call Forwarding No Reply business is example, after MGC triggers this business, in time discharge the called subscriber and connect, and with Call Forwarding to the preceding commentaries on classics target that sets in advance.Because each supplementary service has its concrete processing mode, belong to prior art, neither emphasis of the present invention, repeat no more here.
Step 207: call release connects and pre-treatment is worked as in end.
Step 208:MGC discharges called subscriber's connection, put busy tone to the calling subscriber simultaneously, when receiving calling subscriber's on-hook message, discharge the calling subscriber and connect, and if the calling subscriber is permanent for a long time, then MGC also may discharge calling subscriber's connection earlier, waits for calling subscriber's on-hook message then.
Need to prove that even calling subscriber of the present invention belongs to different MGC with the called subscriber, because each MGC is intercommunication in the communication system, its processing method is still above-mentioned flow process.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (3)
1. implementation method of protocol supporting incoming call receiving rejection function H.248 is characterized in that this method may further comprise the steps:
A, media gateway are sent to H.248 protocol adaptation unit with the terminal called rejection message that receives, and described H.248 protocol adaptation unit reports playback End Event g/sc to Media Gateway Controller after receiving described rejection message under the called terminal ringing situation;
B, described gateway controller judge whether callee side has supplementary service, if then trigger compensation business is arranged, otherwise discharge the connection of called and caller.
2. the implementation method of H.248 protocol supporting incoming call receiving rejection function according to claim 1 is characterized in that, the sound mode of the stopping parameter among the described playback End Event g/sc is that NC is not finished in overtime T0 of playback or playback.
3. the implementation method of H.248 protocol supporting incoming call receiving rejection function according to claim 1 is characterized in that, described terminal called is portable terminal or the fixed terminal with receiving rejection function.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101235818A CN101068291B (en) | 2007-07-03 | 2007-07-03 | Realizing method for H.248 protocol supporting call rejection function |
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| CN2007101235818A CN101068291B (en) | 2007-07-03 | 2007-07-03 | Realizing method for H.248 protocol supporting call rejection function |
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| CN101068291B true CN101068291B (en) | 2011-05-11 |
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| CN102457820B (en) * | 2010-10-29 | 2015-08-12 | 中兴通讯股份有限公司 | The method of NGN network user's status report, gateway and system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1836434A (en) * | 2003-08-19 | 2006-09-20 | 西门子公司 | Call release in communication networks |
| CN1937656A (en) * | 2006-05-16 | 2007-03-28 | 北京恒基伟业投资发展有限公司 | Mobile phone calling refusing method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1836434A (en) * | 2003-08-19 | 2006-09-20 | 西门子公司 | Call release in communication networks |
| CN1937656A (en) * | 2006-05-16 | 2007-03-28 | 北京恒基伟业投资发展有限公司 | Mobile phone calling refusing method |
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Granted publication date: 20110511 Termination date: 20170703 |