CN101552771B - Media gateway, media gateway controller, multimedia telephone intercommunication method and system - Google Patents
Media gateway, media gateway controller, multimedia telephone intercommunication method and system Download PDFInfo
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Abstract
The invention discloses a media gateway, a media gateway controller, a multimedia telephone intercommunication method and a system, which relate to the field of communication technology and are invented for solving the problem of not dynamically adjusting the communication quality during the intercommunication of an IMS multimedia telephone and a CS multimedia telephone in the prior art. The multimedia telephone intercommunication method provided by the embodiment of the invention comprises the following steps under the scene of the intercommunication of the IMS multimedia telephone and the CSmultimedia telephone: the media gateway receives quality messages fed back by an IMS side multimedia telephone terminal; and the media gateway dynamically adjusts the communication quality accordingto the quality messages. The invention is suitable to the intercommunication of the multimedia telephones, and improves the communication quality of the intercommunication of the multimedia telephones.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of media gateway, Media Gateway Controller, multimedia telephone intercommunication method and system.
Background technology
At present, at 3GPP (3rd Generation Partnership Project, third generation partner program) IMS (IP Multimedia Subsystem, IP Multimedia System) multimedia telephone terminal and CS (Circuit Switch, circuit switching) H.324 side in the intercommunication of multimedia telephone terminal, carries out the intercommunication of information usually by gateway system.
H.324 during multimedia telephone terminal carried out the process of intercommunication, the packet that IMS side multimedia telephone terminal can occur sending usually not steadily caused the quality problems such as buffer overflow in IMS side multimedia telephone terminal and CS side.After gateway system is found this problem, to abandon this packet, and with RTCP (Real-time Transport Control Protocol, RTCP Real-time Transport Control Protocol) form sends RR (Resource Record to IMS side multimedia telephone terminal, resource record) message, this packet of notice IMS side multimedia telephone terminal is lost, and perhaps adopts the mode of again consulting coding to improve the quality of mediaphone.
In realizing process of the present invention, the inventor finds that in prior art, there are the following problems:
The generation of IMS side multimedia telephone terminal or the quality problems that detect can only be solved by the form of gateway system by packet loss, and IMS side multimedia telephone terminal can not be with concrete quality information feedback to gateway system, and then, gateway system can not dynamically be adjusted with adaptive the quality problems that occur in multimedia interconnection according to the quality information of receiving, is unfavorable for improving the communication quality in multimedia telephone intercommunication.
Summary of the invention
On the one hand, embodiments of the invention provide a kind of multimedia telephone intercommunication method, and the method can improve the communication quality in multimedia telephone intercommunication.
The embodiments of the invention multimedia telephone intercommunication method is by the following technical solutions:
A kind of multimedia telephone intercommunication method, under the scene of IMS mediaphone and CS multimedia telephone intercommunication, described method comprises the steps:
Media gateway receives the quality information that IMS side multimedia telephone terminal feedback is come, and described quality information is at least one in maximum bandwidth request, frame per second and image resolution ratio balance request, packet loss, buffer information;
Media gateway is dynamically adjusted communication quality according to described quality information.
The embodiments of the invention multimedia telephone intercommunication method, in the multimedia telephone intercommunication process, media gateway can be obtained the quality information that IMS side multimedia telephone terminal feedback is come at any time, and takes different measures according to described quality information, and communication quality is dynamically adjusted.Compared with prior art, the quality information that IMS side multimedia telephone terminal occurs or detects, can feed back in time, all sidedly media gateway, communication quality dynamically be adjusted according to described quality information by media gateway, and then the communication quality in the raising multimedia telephone intercommunication.
On the other hand, embodiments of the invention provide a kind of media gateway, and this media gateway can improve the communication quality in multimedia telephone intercommunication.
The embodiments of the invention media gateway is by the following technical solutions:
A kind of media gateway comprises:
Receiving element is used for receiving the quality information that IMS side multimedia telephone terminal feedback is come, and described quality information is at least one in maximum bandwidth request, frame per second and image resolution ratio balance request, packet loss, buffer information;
Adjustment unit is used for according to described quality information, communication quality dynamically being adjusted.
The embodiments of the invention media gateway, receiving element can obtain the quality information that IMS side multimedia telephone terminal feedback is come at any time, and take different measures according to described quality information, communication quality is dynamically adjusted according to described quality information by adjustment unit.Compared with prior art, the quality information that IMS side multimedia telephone terminal occurs or detects, can feed back in time, all sidedly adjustment unit, communication quality dynamically be adjusted according to described quality information by adjustment unit, and then the communication quality in the raising multimedia telephone intercommunication.
The third aspect, embodiments of the invention provide a kind of Media Gateway Controller, and this Media Gateway Controller can improve the communication quality in multimedia telephone intercommunication.
The embodiments of the invention Media Gateway Controller is by the following technical solutions:
A kind of Media Gateway Controller comprises:
Receiving unit, for the quality information of accepting medium gateway to report, described quality information is at least one in maximum bandwidth request, frame per second and image resolution ratio balance request, packet loss, buffer information;
Feedback unit is used for described quality information feedback is dynamically adjusted to CS side multimedia telephone terminal.
The embodiments of the invention Media Gateway Controller, when media gateway can not dynamically be adjusted communication quality according to the quality information that described IMS side multimedia telephone terminal feedback is come, to report gateway controller to described quality information, after receiving unit receives the quality information of medium gateway to report, by feedback unit, described quality information feedback is dynamically adjusted to CS side multimedia telephone terminal.Compared with prior art, the gateway controller receiving media gateway feedback quality information of the coming Mobile state adjustment of going forward side by side at any time, and then improve communication quality in multimedia telephone intercommunication.
Fourth aspect, embodiments of the invention provide a kind of multimedia telephone intercommunication system, and this system can improve the communication quality in multimedia telephone intercommunication.
Embodiments of the invention multimedia telephone intercommunication system is by the following technical solutions:
A kind of multimedia telephone intercommunication system comprises:
Media gateway, be used for receiving the quality information that IMS side multimedia telephone terminal feedback is come, described quality information is at least one in maximum bandwidth request, frame per second and image resolution ratio balance request, packet loss, buffer information, and according to described quality information, communication quality is dynamically adjusted;
Media Gateway Controller is used for the quality information that the receiving media gateway reports, and described quality information feedback is dynamically adjusted to CS side multimedia telephone terminal.
Embodiments of the invention multimedia telephone intercommunication system, media gateway can be obtained the quality information that IMS side multimedia telephone terminal feedback is come at any time, and take different measures according to described quality information, by media gateway, communication quality is dynamically adjusted, perhaps described quality information is reported Media Gateway Controller, by Media Gateway Controller, described quality information feedback is dynamically adjusted to CS side multimedia telephone terminal.Compared with prior art, the quality information that IMS side multimedia telephone terminal occurs or detects, can feed back in time, all sidedly media gateway, and according to described quality information, communication quality dynamically be adjusted, and then the communication quality in the raising multimedia telephone intercommunication.
Description of drawings
The multimedia telephone intercommunication method flow chart that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the flow chart of situation one in multimedia telephone intercommunication method embodiment one provided by the invention;
Fig. 3 is the flow chart of situation two in multimedia telephone intercommunication method embodiment one provided by the invention;
Fig. 4 is multimedia telephone intercommunication method embodiment two flow charts provided by the invention;
Fig. 5 is multimedia telephone intercommunication method embodiment three flow charts provided by the invention;
Fig. 6 is multimedia telephone intercommunication method embodiment four flow charts provided by the invention;
Fig. 7 is embodiment of the present invention media gateway architectures schematic diagram;
Fig. 8 is embodiment of the present invention Media Gateway Controller structural representation;
The multimedia telephone intercommunication system construction drawing that Fig. 9 provides for the embodiment of the present invention.
Embodiment
In order to solve in prior art the not high problem of communication quality in IMS mediaphone and CS multimedia telephone intercommunication, embodiments of the invention provide a kind of media gateway, Media Gateway Controller, multimedia telephone intercommunication method and system.
Below in conjunction with drawings and Examples, the present invention is elaborated.
Embodiments of the invention provide a kind of multimedia telephone intercommunication method, and the method can improve the communication quality in IMS mediaphone and CS multimedia telephone intercommunication.
As shown in Figure 1, under the scene of IMS mediaphone and CS multimedia telephone intercommunication, described method comprises the steps:
S1: media gateway receives the quality information that IMS side multimedia telephone terminal feedback is come;
S2: media gateway is dynamically adjusted communication quality according to described quality information.
The embodiments of the invention multimedia telephone intercommunication method, in the multimedia telephone intercommunication process, media gateway can be obtained the quality information that IMS side multimedia telephone terminal feedback is come at any time, and takes different measures according to described quality information, and communication quality is dynamically adjusted.Compared with prior art, the quality information that IMS side multimedia telephone terminal occurs or detects, can feed back in time, all sidedly media gateway, communication quality dynamically be adjusted according to described quality information by media gateway, and then the communication quality in the raising multimedia telephone intercommunication.
Wherein, described media gateway (MGW, Media Gateway) and Media Gateway Controller (MGCF, Media Gateway Control Function) be two key members in next generation network, MGW is responsible for providing media resource and bearing resource, and MGCF is responsible for CCF.
In the situation that IMS side multimedia telephone terminal and the H.324 multimedia telephone terminal intercommunication of CS side, the quality information that IMS side multimedia telephone terminal detects is at least one in maximum bandwidth request, frame per second rank parameter, packet loss, buffer information.
In order to be illustrated more clearly in the method for multimedia interconnection of the present invention, corresponding with above-mentioned situation, the below provides specific embodiments of the invention.
Embodiment one:
For the multimedia telephone intercommunication of having set up, to the intensive place of wireless user, because Radio Resource is more nervous, the bandwidth of distributing to unique user will descend when MTSI (IMS mediaphone) fast mobile terminal.At this moment, IMS side multimedia telephone terminal detects the network bandwidth and descends, and IMS side multimedia telephone terminal will by RTCP to MGW feedback maximum bandwidth request TMMBR request message, require MGW to reduce bandwidth.After MGW receives the maximum bandwidth request, at first judge whether inserted video code translator in described session, and whether video can be adjusted to described bandwidth requirement.
Situation one: if comprised video code translator in described session, and video can be adjusted to described bandwidth requirement, MGW self just can process video, and the video transmission rate is adjusted.As shown in Figure 2, concrete steps are:
201, IMS side multimedia telephone terminal detects bandwidth and changes, and needs band internal feedback rate request;
202-203, the IMS side multimedia telephone terminal TMMBR request by RTCP to MGW, wherein, comprises maximum bandwidth information with quality information feedback in described request;
204, MGW by described video code translator, adjusts to the bandwidth of video flowing the numerical value of IMS side multimedia telephone terminal request;
205-206, the confirmation after adjusting, MGW notice IMS side multimedia telephone terminal has been adjusted to the bandwidth that satisfies request.
Situation two: if do not use video code translator in described session, perhaps inserted video code translator, but video can not be adjusted to described bandwidth requirement, H.248 MGW will cross information reporting to the maximum bandwidth information exchange to MGCF, by MGCF, described maximum bandwidth information exchange is crossed and is H.245 fed back to H.324 multimedia telephone terminal of CS side, by the CS side H.324 multimedia telephone terminal encode according to the maximum bandwidth dynamic regulating video.As shown in Figure 3, concrete steps are:
Session between 301-303, MGW foundation and MGCF, MGCF indication MGW detects the bandwidth quality information of RTCP feedback;
304-306, when IMS side multimedia telephone terminal detects bandwidth when indication, will feed back described bandwidth quality information by the TMMBR request of RTCP, wherein, comprise maximum bandwidth information in described quality information;
307-308, MGW H.248 to offer MGCF in form, wherein, comprise maximum bandwidth information with the quality information of IMS side multimedia telephone terminal feedback in described quality information;
309-310, MGW send the maximum bandwidth confirmation to IMS side multimedia telephone terminal;
311-312, MGCF are according to the bandwidth information that comprises in the RTCP feedack, feed back to H.324 multimedia telephone terminal of CS side by flow-control command H.245, CS side H.324 multimedia telephone terminal is dynamically adjusted Video coding and frame per second according to maximum bandwidth.
Wherein, described H.248 agreement is the definition of ITU-TSG16 (International Telecommunications Union-telecommunication standard branch) normal structure, is specifically designed to the agreement that media resource is controlled.Can be used for controlling the medium processing devices such as media gateway, Media Gateway Controller.
H.248 the basic principle of agreement is: the various resources on medium processing device are conceptualized as network, and network is divided into again physical network and casual network.Physical network represents that some have the physical entity of semipermanent existence, as TDM (Time Division Multiplex, time division multiplexing) time slot; Casual network represents the public resource that discharges after provisional application is used, and flows as RTP (Real-Time Transport Protocol, RTP).Combination between network is conceptualized as context, with the topological relation of describing between network.Abstract based on these, call proceeding is actually network and contextual operation, completes by the command request between medium control device and medium processing device and response, and order comprises increase, modification, deletion, notice etc.; Command parameter is called descriptor, be categorized as attribute (Property), signal (Signal), event (Event), statistics (Statistic), the parameter with traffic aided is polymerized to a bag (Package) in logic.Bag is the method for the Extended Protocol function that provides of agreement H.248.
H.248 agreement is come the function of Extended Protocol by bag, increases new function in agreement, does not generally need to revise protocol ontology, and only need define new bag (Package).A bag can be regarded the encapsulation of an autonomous behavior as, when medium processing device is claimed this bag of support, also just equal it and support this characteristic, medium control device just can use attribute, event, signal, the statistics of definition in this bag, operate the media resource on medium processing device, realize corresponding service logic.
Embodiment two:
Usually, in the situation that bandwidth is certain, for the fierce picture of video content motion, need to select high frame per second, low image quality guarantees the quality of multimedia interconnection; And be tending towards for video content in the situation of static state, adopt low frame per second, high picture quality to guarantee the quality of multimedia interconnection.When video quality being detected when bad, its main cause is frame per second and image quality is inharmonious causes.At this moment, at first MGW judges in session with IMS side multimedia telephone terminal whether comprised video code translator or inserted video code translator, and judges whether Video coding to be adjusted to frame per second and the resolution of request.
If inserted video code translator in described session, and Video coding can be adjusted to frame per second and the resolution of request, be processed by MGW self, frame per second and image resolution ratio are assisted harmonic balance.Concrete steps are: at first, IMS side multimedia telephone terminal asks the balance request of frame per second and image resolution ratio is sent to MGW by the TMMBR of RTCP, and wherein, the balance request of described frame per second and image resolution ratio comprises frame per second rank parameter; Then, MGW is by video code translator, frame per second and image resolution ratio adjusted to the balance point of IMS side multimedia telephone terminal request; At last, MGW notice IMS side multimedia telephone terminal has been adjusted to the balance point that satisfies request.
If do not use video code translator in described session, perhaps used video code translator, and described video code translator can not be adjusted to Video coding frame per second and the resolution of request, MGW will report MGCF to described frame per second and image resolution ratio balance request, by MGCF, described frame per second and image resolution ratio balance request are sent to H.324 multimedia telephone terminal of CS side, by the CS side H.324 multimedia telephone terminal described frame per second and image resolution ratio are carried out balance.As shown in Figure 4, concrete steps are:
Session between 401-403, MGW foundation and MGCF, MGCF indication MGW detects frame per second and the image resolution ratio quality information of RTCP feedback;
404-406, when IMS side multimedia telephone terminal detects the indication of frame per second and image resolution ratio information, will feed back described frame per second and image resolution ratio quality information by the TMMBR request of RTCP, wherein, comprise frame per second rank parameter in described quality information;
407-408, MGW H.248 to offer MGCF in form, wherein, comprise described frame per second rank parameter with the quality information of IMS side multimedia telephone terminal feedback in described quality information;
409-410, MGW send frame per second rank confirmation to IMS side multimedia telephone terminal;
The frame per second class information that comprises in the information that 411-412, MGCF report according to MGW, feed back to H.324 multimedia telephone terminal of CS side by flow-control command H.245, CS side H.324 multimedia telephone terminal is dynamically adjusted frame per second and image resolution ratio according to the frame per second rank.
Embodiment three:
When IMS side multimedia telephone terminal detects packet loss over upper limit threshold, will the quality information feedback that detects to MGW, after MGW receives described quality information, at first judge whether and to adjust communication quality according to described packet loss.
If can adjust communication quality according to described packet loss, MGW self just can process video, and described packet loss is converted to bandwidth information, according to described bandwidth information, coding and frame per second is modified.
If can not adjust communication quality according to described packet loss, MGW will described packet loss be converted to bandwidth information by information reporting H.248 to MGCF, by MGCF, described maximum bandwidth information exchange is crossed and is H.245 fed back to H.324 multimedia telephone terminal of CS side, by the CS side H.324 multimedia telephone terminal according to described bandwidth information, coding and frame per second are modified.As shown in Figure 5, concrete steps are:
Session between 501-503, MGW foundation and MGCF, MGCF indication MGW detects the packet loss threshold quality information of RTCP feedback, when carrying out described packet loss event detection indication, the threshold value of packet loss reporting events can carry by the event bag, also can obtain by configuration mode;
504-505, IMS side multimedia telephone terminal periodically send the RTCP report to MGW, and MGW obtains the packet loss of terminal, and wherein, described RTCP report comprises RR (receiving report) and SR (sending report);
506-507, MGW are according to described packet loss reporting events threshold value, and the packet loss that RTCP is reported compares, and determine whether to report the quality event, and report proposed bandwidth value with form H.248 to MGCF according to packet loss.For example: the current sessions bandwidth is 50Kbps, if packet loss reaches 20%, advises that the bandwidth value that uses is 40Kbps;
508-509, MGCF to the CS side H.324 multimedia telephone terminal send H.245 order, indication CS side H.324 multimedia telephone terminal is encoded and the modification such as frame per second;
510, CS side multimedia telephone terminal and encoding in described intercommunication process and the modification such as frame per second H.324.
Embodiment four:
IMS side multimedia telephone terminal may detect buffering area lower than lower threshold or higher than the situation of upper limit threshold when buffer information is detected.
IMS side multimedia telephone terminal may detect buffering area lower than lower threshold or higher than the situation of upper limit threshold when buffer information is detected.At this moment, IMS side multimedia telephone terminal will be this quality information feedback to MGW.
When described quality information is buffering area during lower than lower threshold or higher than upper limit threshold, if MGW self can carry out the adjustment of buffering area, MGW will reduce transmission rate or recover transmission rate according to described buffer information.
If MGW can not carry out the adjustment of buffering area, MGW will report MGCF to described buffer information, by MGCF to the CS side H.324 multimedia telephone terminal send request, by the CS side H.324 multimedia telephone terminal adjust bandwidth according to described buffer information, thereby complete the dynamic adjustment of buffering area.As shown in Figure 6, concrete steps are:
601-602, MGCF indication MGW detects buffer information and the average receiving velocity of IMS multimedia terminal feedback;
If IMS side multimedia telephone terminal will detect buffer information and average receiving velocity quality information feedback to MGW (not shown this step) by RTCP;
603, MGW detects buffer information and the Mean Speed of IMS side multimedia telephone terminal feedback, if exceed the self-regulation scope, can not carry out the adjustment of buffering area, needs request CS side H.324 multimedia telephone terminal realizes the adjusting of quality of the conversation in the Flow Control mode;
604-605, MGW report request Flow Control event with form H.248 to MGCF, comprise the proposed bandwidth value in described request, and this numerical value can according to buffer information and average receiving belt be wide estimate.For example: when buffering area is about to overflow, and Mean Speed is when equaling v, and MGW will advise one less than the rate value of v; If buffering area is about to underflow, with rate value higher than v of suggestion;
606-607, MGCF with form H.245 to the CS side H.324 multimedia telephone terminal send information, indication CS side H.324 multimedia telephone terminal is carried out bandwidth and is revised.
In four embodiment of multimedia telephone intercommunication method of the present invention, can not have the MGW judgement self can dynamically adjust this step to communication quality according to described quality information, and directly described quality information is reported MGCF.
Need to prove, in the situation that IMS side multimedia telephone terminal and the H.324 multimedia telephone terminal intercommunication of CS side, the quality information that IMS side multimedia telephone terminal detects is at least one in the information such as maximum bandwidth request, frame per second rank parameter, packet loss, buffer information, so if quality information comprises a plurality of above information, can carry out simultaneously the flow process of the corresponding embodiment of this information, repeat no more here.
Thereby, utilize the embodiments of the invention multimedia telephone intercommunication method, can carry out dynamic adaptation to multimedia interconnection according to the quality information that IMS side multimedia telephone terminal feedback is come, and then improve the communication quality in multimedia telephone intercommunication.
Embodiments of the invention also provide a kind of media gateway, and this media gateway can improve the communication quality in multimedia telephone intercommunication.
As shown in Figure 7, described media gateway comprises:
Receiving element 1 is used for receiving the quality information that IMS side multimedia telephone terminal feedback is come;
Adjustment unit 2 is used for according to described quality information, communication quality dynamically being adjusted.
The embodiments of the invention media gateway, receiving element 1 can obtain the quality information that IMS side multimedia telephone terminal feedback is come at any time, and take different measures according to described quality information, communication quality is dynamically adjusted according to described quality information by adjustment unit 2.Compared with prior art, the quality information that IMS side multimedia telephone terminal occurs or detects, can feed back in time, all sidedly adjustment unit 2, communication quality dynamically be adjusted according to described quality information by adjustment unit 2, and then the communication quality in the raising multimedia telephone intercommunication.
Wherein, described adjustment unit 2 also comprises:
The first adjustment unit 3 is used for by media gateway self, communication quality dynamically being adjusted;
The second adjustment unit 4 is used for that described quality information is reported Media Gateway Controller and dynamically adjusts.
After receiving element 1 receives the quality information that IMS side multimedia telephone terminal feedback comes, can select by media gateway self, communication quality dynamically to be adjusted, perhaps described quality information is reported Media Gateway Controller and dynamically adjust.
In order to select to be adjusted by the first adjustment unit 3 or 4 pairs of communication qualities of the second adjustment unit, described media gateway also comprises:
Judging unit 5, can be used for judgement media gateway self dynamically adjust communication quality according to described quality information, if self can not dynamically adjust described media gateway communication quality, notify the second adjustment unit 4 that described quality information is reported Media Gateway Controller and dynamically adjust.
Wherein, described quality information is: maximum bandwidth request, frame per second and image resolution ratio balance request, packet loss, buffer information.
Thereby, utilizing the embodiments of the invention media gateway, can dynamically adjust the communication quality in multimedia interconnection according to the quality information that IMS side multimedia telephone terminal feedback is come, and then the communication quality in the raising multimedia telephone intercommunication.
Embodiments of the invention also provide a kind of Media Gateway Controller, and this Media Gateway Controller can improve the communication quality in multimedia telephone intercommunication.
As shown in Figure 8, described Media Gateway Controller comprises:
Receiving unit 6 is for the quality information of accepting medium gateway to report;
Feedback unit 7 is used for described quality information feedback is dynamically adjusted to CS side multimedia telephone terminal.
The embodiments of the invention Media Gateway Controller, when media gateway can not dynamically be adjusted communication quality according to the quality information that described IMS side multimedia telephone terminal feedback is come, to report gateway controller to described quality information, after receiving unit 6 receives the quality information of medium gateway to report, by feedback unit 7, described quality information feedback is dynamically adjusted to CS side multimedia telephone terminal.Compared with prior art, the gateway controller receiving media gateway feedback quality information of the coming Mobile state adjustment of going forward side by side at any time, and then improve communication quality in multimedia telephone intercommunication.
Embodiments of the invention also provide a kind of multimedia telephone intercommunication system, and this system can improve the communication quality in multimedia telephone intercommunication.
As shown in Figure 9, described system comprises:
Media gateway is used for receiving the quality information that IMS side multimedia telephone terminal feedback is come, and according to described quality information, communication quality is dynamically adjusted;
Media Gateway Controller is used for the quality information that the receiving media gateway reports, and described quality information feedback is dynamically adjusted to CS side multimedia telephone terminal.
Embodiments of the invention multimedia telephone intercommunication system, media gateway can be obtained the quality information that IMS side multimedia telephone terminal feedback is come at any time, and take different measures according to described quality information, by media gateway, communication quality is dynamically adjusted, perhaps described quality information is reported Media Gateway Controller, by Media Gateway Controller, described quality information feedback is dynamically adjusted to CS side multimedia telephone terminal.Compared with prior art, the quality information that IMS side multimedia telephone terminal occurs or detects, can feed back in time, all sidedly media gateway, and according to described quality information, communication quality dynamically be adjusted, and then the communication quality in the raising multimedia telephone intercommunication.
The above; it is only the embodiment of the embodiment of the present invention; but the protection range of the embodiment of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement are within all should being encompassed in protection scope of the present invention.Therefore, the protection range of the embodiment of the present invention should be as the criterion with the protection range of claim.
Claims (4)
1. a multimedia telephone intercommunication method, is characterized in that, under the scene of IMS mediaphone and CS multimedia telephone intercommunication, described method comprises the steps:
Media gateway receives the quality information that IMS side multimedia telephone terminal feedback is come, and described quality information is at least one in maximum bandwidth request, frame per second and image resolution ratio balance request, packet loss, buffer information;
Described media gateway is dynamically adjusted communication quality according to described quality information;
Wherein, described media gateway is specially the step that communication quality carries out dynamically adjusting according to described quality information:
Described media gateway reports Media Gateway Controller with described quality information and dynamically adjusts;
Wherein, when described quality information was the maximum bandwidth request, described media gateway reported with described quality information the step that described Media Gateway Controller carries out dynamically adjusting and is specially:
Described media gateway is given described Media Gateway Controller with the maximum bandwidth information reporting, so that described Media Gateway Controller feeds back to CS side multimedia telephone terminal with described maximum bandwidth information, make described CS side multimedia telephone terminal encode according to described maximum bandwidth information dynamic regulating video.
2. multimedia telephone intercommunication method according to claim 1, is characterized in that, before in described media gateway, described quality information being reported the step that Media Gateway Controller carries out dynamically adjusting, also comprises the steps:
Can the media gateway judgement self dynamically be adjusted communication quality according to described quality information, if media gateway self can not dynamically be adjusted communication quality, described quality information reported Media Gateway Controller and dynamically adjust.
3. a Media Gateway Controller, is characterized in that, comprising:
Receiving unit, be used for accepting the quality information of medium gateway to report, wherein, described quality information feeds back to described media gateway by IMS side multimedia telephone terminal, and described quality information is at least one in maximum bandwidth request, frame per second and image resolution ratio balance request, packet loss, buffer information;
Feedback unit is used for described quality information feedback to CS side multimedia telephone terminal, so that described CS side multimedia telephone terminal is dynamically adjusted;
Wherein, when the quality information of described receiving unit acceptance is the maximum bandwidth request, described Media Gateway Controller also is used for maximum bandwidth information is fed back to CS side multimedia telephone terminal, makes described CS side multimedia telephone terminal encode according to described maximum bandwidth information dynamic regulating video.
4. a multimedia telephone intercommunication system, is characterized in that, comprises media gateway and Media Gateway Controller, wherein:
Described media gateway, be used for receiving the quality information that IMS side multimedia telephone terminal feedback is come, described quality information is at least one in maximum bandwidth request, frame per second and image resolution ratio balance request, packet loss, buffer information, and reports described quality information to described Media Gateway Controller;
Described Media Gateway Controller is used for receiving the described quality information of described medium gateway to report, and with described quality information feedback to CS side multimedia telephone terminal, so that described CS side multimedia telephone terminal is dynamically adjusted;
Wherein, when the quality information of described Media Gateway Controller reception is the maximum bandwidth request, described Media Gateway Controller specifically is used for maximum bandwidth information is fed back to CS side multimedia telephone terminal, makes described CS side multimedia telephone terminal encode according to described maximum bandwidth information dynamic regulating video.
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| CN 200810090253 CN101552771B (en) | 2008-03-31 | 2008-03-31 | Media gateway, media gateway controller, multimedia telephone intercommunication method and system |
| ES09726792T ES2389688T3 (en) | 2008-03-31 | 2009-03-24 | Multimedia gateway, multimedia gateway controller, method and system for multimedia phone communication |
| EP09726792A EP2264959B1 (en) | 2008-03-31 | 2009-03-24 | Media gateway, media gateway controller, method and system for communication of multimedia phones |
| PCT/CN2009/070962 WO2009121272A1 (en) | 2008-03-31 | 2009-03-24 | Media gateway, media gateway controller, method and system for communication of multimedia phones |
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| CN 200810090253 CN101552771B (en) | 2008-03-31 | 2008-03-31 | Media gateway, media gateway controller, multimedia telephone intercommunication method and system |
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| CN104348781A (en) * | 2013-07-26 | 2015-02-11 | 中兴通讯股份有限公司 | Multimedia service transmission method and terminal equipment |
| US10085050B2 (en) | 2014-08-15 | 2018-09-25 | Xiaomi Inc. | Method and apparatus for adjusting video quality based on network environment |
| CN108023869B (en) * | 2016-10-28 | 2021-03-19 | 海能达通信股份有限公司 | Parameter adjusting method and device for multimedia communication and mobile terminal |
| CN106507024B (en) * | 2016-11-17 | 2019-04-02 | 北京数码视讯技术有限公司 | A kind of self-adaption code rate method of adjustment and device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1988714A (en) * | 2005-12-22 | 2007-06-27 | 中兴通讯股份有限公司 | End call network selecting system and end call network selecting method |
| WO2008015590A1 (en) * | 2006-08-04 | 2008-02-07 | Nokia Corporation | Interworking control between different communication parties |
-
2008
- 2008-03-31 CN CN 200810090253 patent/CN101552771B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1988714A (en) * | 2005-12-22 | 2007-06-27 | 中兴通讯股份有限公司 | End call network selecting system and end call network selecting method |
| WO2008015590A1 (en) * | 2006-08-04 | 2008-02-07 | Nokia Corporation | Interworking control between different communication parties |
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