CN105516640A - Method and system for detecting abnormality of video communication conversation - Google Patents
Method and system for detecting abnormality of video communication conversation Download PDFInfo
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- CN105516640A CN105516640A CN201510935065.XA CN201510935065A CN105516640A CN 105516640 A CN105516640 A CN 105516640A CN 201510935065 A CN201510935065 A CN 201510935065A CN 105516640 A CN105516640 A CN 105516640A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
- H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
Abstract
The invention discloses a method and a system for detecting the abnormality of a video communication conversation. The method comprises the steps that a communication link between the first terminal and a second terminal is established; the first terminal and the second terminal respectively judge whether the communication link is abnormal according to the packet loss rates of the own terminal and the opposite terminal, and upload to a network side server when the communication link is abnormal; meanwhile, the first terminal and the second terminal respectively send a heartbeat message to the network side server at every determined time, and the network side server judges whether the network states of the first terminal and the second terminal are abnormal according to that whether the heartbeat messages are received; and the network side server determines that the terminal is abnormal, and informs the opposite terminal of the abnormal terminal to end the video communication. According to the method provided by the invention, the immediate server can acquire the abnormal communication states of two video communication parties more quickly, and inform the two communication parties to get ready, thus convenience is provided for the video communication of the users.
Description
Technical field
The present invention relates to field of video communication, particularly relate to a kind of detection method and system of video communication session exception.
Background technology
Along with the develop rapidly of multimedia technology and the communication technology, multimedia communication technology has become the focus of current computer network field, particularly multimedia realtime communication act as very important role in the work, life of people, is also the foundation stone of some other communication services simultaneously.
Along with the development that deepens continuously of technology, video communication has also progressively joined in VoIP communication, the basic function of VoIP be to provide based on the Internet, the service such as the voice of low cost, fax, data, message and video.TV, as the nucleus equipment in parlor, due to the customization of platform Dou Shige producer, from the demand of communication, is the infrastructure service of a needs video communication.
Large-Scale Interconnected net company released and applied based on the social activity of smart mobile phone in recent years, such as micro-letter, dealing, credulity, deeply popular, their voice and small video send the message and multimedia message by progressively substituting Ge great operator, are absorbing on number of users and will corrode the share of operator.But video communication conversational communication is also unstable on TV in prior art, when exception appears in the terminal at a user place in video communication, another user terminal cannot this situation of quick obtaining, and detecting period is a little longer, and Consumer's Experience is not so good.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of the deficiencies in the prior art, the object of the invention is the detection method and the system that provide a kind of video communication session exception, be intended to solve video communication conversational communication on TV of the prior art also unstable, when exception appears in the terminal at a user place in video communication, another user terminal cannot obtain the defect of communication abnormality situation in time.
Technical scheme of the present invention is as follows:
A detection method for video communication session exception, wherein, method comprises:
A, set up communication link between first terminal and the second terminal;
According to the packet loss of self and opposite end, B, described first terminal, described second terminal judge whether described communication link occurs exception respectively, and report to network side server when described communication link is abnormal;
Simultaneously, described first terminal and described second terminal send heartbeat message every the scheduled time to described network side server respectively, according to whether receiving described heartbeat message, described network side server judges whether the network state of described first terminal and described second terminal occurs exception;
C, described network side server, according to obtained described communication link state and described network state, judge to occur abnormal terminal, and notice occurs that the distant terminal of abnormal described terminal terminates video communication.
The detection method of described video communication session exception, wherein, described steps A specifically comprises:
A1, described first terminal have the second account other-end to send video communication request by the first account number to login, and described network side server judges whether described second account number logs in over multiple terminals;
If described second account of A2 logs in over multiple terminals, selects a login to have the terminal of described second account as described second terminal simultaneously, accept and respond the video communication request of described first terminal transmission, and closing the video bullet window interface of other-end;
If A3 second account logs in single terminal, select this login to have the terminal of described second account as the second terminal, accept and respond described first terminal send video communication request, set up the communication link between first terminal and the second terminal.
The detection method of described video communication session exception, wherein, described method also comprises:
D, in the described video communication process of described first terminal and described second terminal, described network side server detects that whether there is other-end sends video communication request to described first terminal or described second terminal, when there is the described video communication request that other-end sends, described network side server forwards described video communication request to target terminal.
The detection method of described video communication session exception, wherein, in described step B: judge whether described communication link occurs that abnormal step comprises according to described packet loss:
Described first terminal or described second terminal send the probe message bag of the fixed size load of predetermined number to opposite end; What described first terminal or described second terminal received the onesize load that returns of opposite end returns probe message bag; The described transmitting time of the time and correspondence that return probe message bag according to reception determines the propagation delay time of described communication link; The packet loss of described communication link is determined according to the number and described predetermined number that return probe message bag described in receiving.
The detection method of described video communication session exception, wherein, in described step B:
Judge whether the network state of described first terminal and described second terminal occurs abnormal comprising:
Described network side server scheduled time described in twice, interval, when not receiving the heartbeat message that first terminal or the second terminal send, judges that described first terminal or the second terminal network state occur abnormal.
The detection method of described video communication session exception, wherein, the described scheduled time is 2s.
The detection method of the video communication session exception described in above-mentioned any one, wherein, described network side server is IM server, and described first terminal and described second terminal set up described communication link by internet communication engine ICE server.
A detection system for video communication session exception, wherein, described system specifically comprises:
Link establishment module, for setting up the communication link between first terminal and the second terminal;
According to the packet loss of self and opposite end, abnormality detection module, judges whether described communication link occurs exception respectively for described first terminal, described second terminal, and report to network side server when described communication link is abnormal;
Simultaneously, described first terminal and described second terminal send heartbeat message every the scheduled time to described network side server respectively, according to whether receiving described heartbeat message, described network side server judges whether the network state of described first terminal and described second terminal occurs exception;
Judge and notification module, for described network side server according to obtained described communication link state and described network state, judge to occur abnormal terminal, and notice occurs that the distant terminal of abnormal described terminal terminates video communication.
The detection system of described video communication session exception, wherein, described link establishment module specifically comprises:
Send and judging unit, have second account other-end to send video communication request by the first account number to login for described first terminal, described network side server judges whether described second account number logs in over multiple terminals;
First response unit, if log in over multiple terminals for described second account simultaneously, select a login to have the terminal of described second account as described second terminal, accept and respond the video communication request that described first terminal sends, and closing the video bullet window interface of other-end;
Second response unit, if log in single terminal for the second account, select this login to have the terminal of described second account as the second terminal, accept and respond described first terminal send video communication request, set up the communication link between first terminal and the second terminal.
The detection system of described video communication session exception, wherein, described system also comprises:
Detect and forwarding module, for in the described video communication process of described first terminal and described second terminal, described network side server detects that whether there is other-end sends video communication request to described first terminal or described second terminal, when there is the described video communication request that other-end sends, described network side server forwards described video communication request to target terminal.
The invention provides a kind of detection method and system of video communication session exception, first terminal sends video communication request by instant communication server to the second terminal; The communication link state between first terminal and the second terminal is detected in real time in video communication process, abnormal communication link state is reported to instant communication server, even and if report video state with the network state making communication server obtain first terminal and the second terminal every a scheduled time to instant communication server, instant communication server judges the intelligent terminal occurring abnormality, notifies that another intelligent terminal terminates video communication.The present invention can make immediate service device obtain the communication abnormality state of video communication both sides sooner, and communication two party can learn abnormality faster, and carries out on-hook preparation, for user video communication provides conveniently.
Accompanying drawing explanation
Fig. 1 is the flow chart of the preferred embodiment of the detection method of a kind of video communication session exception of the present invention.
Fig. 2 is the video communication schematic diagram of the embody rule embodiment of the detection system of a kind of video communication session exception of the present invention.
Fig. 3 is the functional schematic block diagram of the preferred embodiment of the detection system of a kind of video communication session exception of the present invention.
Embodiment
For making object of the present invention, technical scheme and effect clearly, clearly, the present invention is described in more detail below.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The invention provides a kind of flow chart of preferred embodiment of detection method of video communication session exception, as shown in Figure 1, described method comprises:
Step S100, set up communication link between first terminal and the second terminal.
During concrete enforcement, when two users need to carry out video communication by intelligent terminal, the first terminal that wherein the first account number is corresponding is designated as A terminal, and the second terminal that the second account logs in is designated as B terminal.A terminal receives the first account number instructions by instant messaging ((InstantMessaging, be called for short IM) the B terminal transmission video communication request that logs in the second account also referred to as IM server of server and network side server, particularly, described network side server is IM server, and described first terminal and described second terminal set up described communication link by internet communication engine ICE server (video communication server).
Below represent network side server with IM server.Wherein, intelligent terminal includes but not limited to the mobile terminal, the intelligent television that use android system.
According to the packet loss of self and opposite end, step S200, described first terminal, described second terminal judge whether described communication link occurs exception respectively, and report to network side server when described communication link is abnormal; Simultaneously, described first terminal and described second terminal send heartbeat message every the scheduled time to described network side server respectively, according to whether receiving described heartbeat message, described network side server judges whether the network state of described first terminal and described second terminal occurs exception.
During concrete enforcement, as shown in Figure 2.When A terminal and B terminal carry out normal video communication, the session communication bottom (Libjingle) of each terminal provides rewarding mechanism, namely according to the packet loss of self and opposite end, A terminal and B terminal judge whether described communication link occurs exception respectively, thus can responding connection situation (line, broken string, line failure), the application layer of confession terminal is carried out monitoring exception and processes, and informs IM server in time when occurring that line is abnormal.In communication process, A terminal and B terminal set up P2P video communication, or P2P penetrates failure, then carry out trunking traffic by network engine ICE server.
When judging network state, A terminal, B terminal to send heartbeat message every several seconds to IM server, allow the network of IM server faster perception one party terminal whether there is exception in the middle of video communication.Now, owing to being that A terminal and B terminal initiatively send heartbeat message to IM server, therefore, the state reporting being equivalent to be started by video communication when A terminal or B terminal first time send heartbeat message to IM server gives IM server, when A terminal or B terminal send heartbeat message to IM server for the last time, be equivalent to the done state of video communication to report give IM server, between beginning and terminating, for A terminal or B terminal are just in the intermediateness of video communication.By the judgement of network state, A terminal or the current video state of B terminal can be judged.
Step S300, described network side server, according to obtained described communication link state and described network state, judge to occur abnormal terminal, and notice occurs that the distant terminal of abnormal described terminal terminates video communication.
Concrete, when being in video communication, within 2 scheduled times, (namely accumulative have 2 times) be not if receive either party heartbeat message of sending to IM server of communication two party, then think and the party's network timeout then judge that network state exception appears in the party.
When occurring that video state abnormal (comprise network state exception and communication link is abnormal) notice IM server video communication terminates, notify that another intelligence terminates terminal called.Such as, when A terminal occurs that video state is abnormal, IM server detects that this terminal video state is abnormal, will notify B terminal, thus make B terminal learn video state unexpected message, and hang up communication.
In further embodiment, step S100 specifically comprises:
Step S101, described first terminal have the second account other-end to send video communication request by the first account number to login, and described network side server judges whether described second account number logs in over multiple terminals;
If described second account of step S102 logs in over multiple terminals simultaneously, a login is selected to have the terminal of described second account as described second terminal, accept and respond the video communication request that described first terminal sends, and closing the video bullet window interface of other-end;
If step S103 second account logs in single terminal, this login is selected to have the terminal of described second account as the second terminal, accept and respond described first terminal send video communication request, set up the communication link between first terminal and the second terminal.
During concrete enforcement, first account sends video signal request to the second account, judge whether the second account has many device logs, if many device logs, such as the second account is simultaneously in B1 terminal, the equipment such as B2 terminal log in simultaneously, then IM server gives video signal request forward the second account that each equipment logs in, one of them terminal is as the video signal request (accepting or refusal) of B1 terminal response A terminal, IM server forwards the response of B1 to A terminal, A terminal receives the response of the second account, IM server receives after the response of B1 terminal can encapsulation messages notice B2 " B1 is treated video request ", the video signal bullet window of B2 can disappear.
If not many device logs, the video signal request (accepting or refusal) of the B terminal response A terminal at the second account place, IM server forwards the response of B terminal to A terminal, and A terminal receives the response of B terminal.
In further embodiment, described method also comprises:
Step S400, in the described video communication process of described first terminal and described second terminal, described network side server detects that whether there is other-end sends video communication request to described first terminal or described second terminal, when there is the described video communication request that other-end sends, described network side server forwards described video communication request to target terminal.
During concrete enforcement, when A terminal and the communication of B terminal video, C terminal to B terminal initiate video communication time, IM server notice C terminal " the second account is just in video communication ... ", call request is transmitted to B terminal and processes.
In further embodiment, in step S200, judge whether described communication link occurs that abnormal step comprises and specifically comprise according to described packet loss:
Described first terminal or described second terminal send the probe message bag of the fixed size load of predetermined number to opposite end; What described first terminal or described second terminal received the onesize load that returns of opposite end returns probe message bag; The described transmitting time of the time and correspondence that return probe message bag according to reception determines the propagation delay time of described communication link; The packet loss of described communication link is determined according to the number and described predetermined number that return probe message bag described in receiving.
Further, judge in described step S200 whether the network state of described first terminal and described second terminal occurs abnormal comprising: when described network side server scheduled time described in twice, interval does not receive the heartbeat message that first terminal or the second terminal send, judge that described first terminal or the second terminal network state occur abnormal.
During concrete enforcement, the scheduled time is preferably 2s.As mentioned above, terminal, starting in video communication, video communication, terminating video communication, all can report video state.Start video communication only to report once, can report once every 2 seconds (concrete interval is configured by IM server) in video communication, only report once when terminating video communication.
Present invention also offers a kind of embody rule embodiment of detection method of video communication session exception, method comprises step (below by A terminal referred to as A, B terminal referred to as B):
S1000, A and B log in respective account, A with B initiates to be connected to IM server, creates TCPsocket, carries out login authentication.A and B at regular intervals (such as 30 seconds) to sending probe message bag each other;
S2000, A initiate video communication to B, and A sends offer, carry out responding (accepting or refusal) after B receives offer.A and B, by STUN or TURN agreement and the communication of ICE server, carries out passing through burrowing, finally sets up the session of P2P or Relay video communication;
The session communication bottom of S3000, A and B will feed back line situation to application layer, and when B accident power-off or when pulling out netting twine, IMServer needs wait 2 eartbeat intervals (such as 60 seconds) to have rolled off the production line by perception B, and during this period of time, IMServer is in blind area;
S4000, A and B will report video state to IM server, A and B all wants uploaded state to IM server in the beginning of video communication, end, centre, to send heartbeat message every the short period (such as 2 seconds) to IM server in the middle of video communication, detect the video state of A and B for IM server;
S5000, C initiate video communication to B, during A and B video communication, C to B initiate video communication time, IM server can tell C " B is just in video communication ... ", still call request is transmitted to B process.
By arranging double mechanism, make IM server can comparatively fast perceive the terminal occurring video state exception, can notify distant terminal end of conversation in the short period of time, while economizing on resources, Consumer's Experience is good.
Present invention also offers another embody rule embodiment of a kind of detection method of video communication session exception, comprise the steps:
T1, A send video signal request to B, and IM server judges whether B has many device logs, if so, then perform step T2, if otherwise perform step T3;
T2, IM server gives video signal request forward the B that each equipment logs in, B1 responds the video signal request (accepting or refusal) of A, IM server forwards the response of B1 to A, A receives the response of B, IM server receives after the response of B1 can encapsulation messages notice B2 " B1 is treated video request ", the video signal bullet window of B2 can disappear, and performs step T4 afterwards;
T3, B respond the video signal request (accepting or refusal) of A, and IM server forwards the response of B to A,
A receives the response of B, performs step T4 afterwards;
T4, judge whether B accepts video signal, if so, then perform step T5, if not, then perform step T12;
T5, A start passing through NAT, first connect ICE server and obtain outer net IP and port, and whether successful, if the successful connection of ICE server, perform step T6 if judging to connect ICE server, if the connection failure of ICE server, then perform step T10;
T6, A tell IM server " I successfully connects ICE server ", forward the outer net IP of A and port to B, attempt use Simple Traversal of UDP Through Network Address Translators passing through NAT by IM server, judge P2P whether success, if success, then perform step T7, if failed, then and execution step T8;
T7, set up P2P video signal, timing reports video state to IM server, and IM server detects the heartbeat message of the timed sending of each terminal just in video signal, judges whether time-out, if overtime, then performs step T11;
T8, trial TURN agreement passing through NAT, judge that whether Relay is successful, if Relay success, if success, and execution step T9, if failure, then execution step T11;
T9, set up Relay video signal, timing reports video state to IM server, and the timing that IM server detects each terminal just in video signal reports video state, judges whether time-out, if overtime, then performs step T11;
T10, A tell IM server " I does not connect ICE server ", and IM server is transmitted to B " A does not connect ICE server ", performs step T11 after please hanging up video signal;
If T11 IM server detects certain one end heartbeat timeout, it is told the video signal other end " the video state report time-out of the other side " and please hang up video signal; Wherein a terminal hangs up video signal, sends BYE agreement; This terminal tells IM server " disconnection video signal ", and IM server forwards BYE agreement to opposite end, and IM server forwards " disconnection video signal " state to opposite end, performs step T12 afterwards;
T12, end.
On the basis of said method embodiment, present invention also offers a kind of functional schematic block diagram of preferred embodiment of detection system of video communication session exception, as shown in Figure 3, described system comprises:
Link establishment module 100, for setting up the communication link between first terminal and the second terminal; As detailed above.
According to the packet loss of self and opposite end, abnormality detection module 200, judges whether described communication link occurs exception respectively for described first terminal, described second terminal, and report to network side server when described communication link is abnormal; Simultaneously, described first terminal and described second terminal send heartbeat message every the scheduled time to described network side server respectively, according to whether receiving described heartbeat message, described network side server judges whether the network state of described first terminal and described second terminal occurs exception; As detailed above.
Judge and notification module 300, for described network side server according to obtained described communication link state and described network state, judge to occur abnormal terminal, and notice occurs that the distant terminal of abnormal described terminal terminates video communication; As detailed above.
The detection system of described video communication session exception, wherein, described link establishment module specifically comprises:
Send and judging unit, have second account other-end to send video communication request by the first account number to login for described first terminal, described network side server judges whether described second account number logs in over multiple terminals; As detailed above.
First response unit, if log in over multiple terminals for described second account simultaneously, select a login to have the terminal of described second account as described second terminal, accept and respond the video communication request that described first terminal sends, and closing the video bullet window interface of other-end; As detailed above.
Second response unit, if log in single terminal for the second account, select this login to have the terminal of described second account as the second terminal, accept and respond described first terminal send video communication request, set up the communication link between first terminal and the second terminal; As detailed above.
The detection system of described video communication session exception, wherein, described system also comprises:
Detect and forwarding module, for in the described video communication process of described first terminal and described second terminal, described network side server detects that whether there is other-end sends video communication request to described first terminal or described second terminal, when there is the described video communication request that other-end sends, described network side server forwards described video communication request to target terminal; As detailed above.
In sum, the invention provides a kind of detection method and system of video communication session exception, described method comprises: set up the communication link between first terminal and the second terminal; According to the packet loss of self and opposite end, described first terminal, described second terminal judge whether described communication link occurs exception respectively, and report to network side server when described communication link is abnormal; Simultaneously, described first terminal and described second terminal send heartbeat message every the scheduled time to described network side server respectively, according to whether receiving described heartbeat message, described network side server judges whether the network state of described first terminal and described second terminal occurs exception; Described network side server judges to occur abnormal terminal, and notice occurs that the distant terminal of abnormal described terminal terminates video communication.The present invention can make immediate service device obtain the communication abnormality state of video communication both sides sooner, and communication two party can learn abnormality faster, and carries out on-hook preparation, for user video communication provides conveniently.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection range that all should belong to claims of the present invention.
Claims (10)
1. a detection method for video communication session exception, is characterized in that, method comprises:
A, set up communication link between first terminal and the second terminal;
According to the packet loss of self and opposite end, B, described first terminal, described second terminal judge whether described communication link occurs exception respectively, and report to network side server when described communication link is abnormal;
Simultaneously, described first terminal and described second terminal send heartbeat message every the scheduled time to described network side server respectively, according to whether receiving described heartbeat message, described network side server judges whether the network state of described first terminal and described second terminal occurs exception;
C, described network side server, according to obtained described communication link state and described network state, judge to occur abnormal terminal, and notice occurs that the distant terminal of abnormal described terminal terminates video communication.
2. the detection method of video communication session exception according to claim 1, it is characterized in that, described steps A specifically comprises:
A1, described first terminal have the second account other-end to send video communication request by the first account number to login, and described network side server judges whether described second account number logs in over multiple terminals;
If described second account of A2 logs in over multiple terminals, selects a login to have the terminal of described second account as described second terminal simultaneously, accept and respond the video communication request of described first terminal transmission, and closing the video bullet window interface of other-end;
If A3 second account logs in single terminal, select this login to have the terminal of described second account as the second terminal, accept and respond described first terminal send video communication request, set up the communication link between first terminal and the second terminal.
3. the detection method of video communication session exception according to claim 1, it is characterized in that, described method also comprises:
D, in the described video communication process of described first terminal and described second terminal, described network side server detects that whether there is other-end sends video communication request to described first terminal or described second terminal, when there is the described video communication request that other-end sends, described network side server forwards described video communication request to target terminal.
4. the detection method of video communication session exception according to claim 1, is characterized in that, in described step B: judge whether described communication link occurs that abnormal step comprises according to described packet loss:
Described first terminal or described second terminal send the probe message bag of the fixed size load of predetermined number to opposite end; What described first terminal or described second terminal received the onesize load that returns of opposite end returns probe message bag; The described transmitting time of the time and correspondence that return probe message bag according to reception determines the propagation delay time of described communication link; The packet loss of described communication link is determined according to the number and described predetermined number that return probe message bag described in receiving.
5. the detection method of video communication session exception according to claim 1, is characterized in that, in described step B:
Judge whether the network state of described first terminal and described second terminal occurs abnormal comprising:
Described network side server scheduled time described in twice, interval, when not receiving the heartbeat message that first terminal or the second terminal send, judges that described first terminal or the second terminal network state occur abnormal.
6. the detection method of video communication session exception according to claim 5, is characterized in that, the described scheduled time is 2s.
7. the detection method of the video communication session exception according to any one of claim 1-6, it is characterized in that, described network side server is IM server, and described first terminal and described second terminal set up described communication link by internet communication engine ICE server.
8. a detection system for video communication session exception, is characterized in that, described system specifically comprises:
Link establishment module, for setting up the communication link between first terminal and the second terminal;
According to the packet loss of self and opposite end, abnormality detection module, judges whether described communication link occurs exception respectively for described first terminal, described second terminal, and report to network side server when described communication link is abnormal;
Simultaneously, described first terminal and described second terminal send heartbeat message every the scheduled time to described network side server respectively, according to whether receiving described heartbeat message, described network side server judges whether the network state of described first terminal and described second terminal occurs exception;
Judge and notification module, for described network side server according to obtained described communication link state and described network state, judge to occur abnormal terminal, and notice occurs that the distant terminal of abnormal described terminal terminates video communication.
9. the detection system of video communication session exception according to claim 8, is characterized in that, described link establishment module specifically comprises:
Send and judging unit, have second account other-end to send video communication request by the first account number to login for described first terminal, described network side server judges whether described second account number logs in over multiple terminals;
First response unit, if log in over multiple terminals for described second account simultaneously, select a login to have the terminal of described second account as described second terminal, accept and respond the video communication request that described first terminal sends, and closing the video bullet window interface of other-end;
Second response unit, if log in single terminal for the second account, select this login to have the terminal of described second account as the second terminal, accept and respond described first terminal send video communication request, set up the communication link between first terminal and the second terminal.
10. the detection system of video communication session exception according to claim 8, it is characterized in that, described system also comprises:
Detect and forwarding module, for in the described video communication process of described first terminal and described second terminal, described network side server detects that whether there is other-end sends video communication request to described first terminal or described second terminal, when there is the described video communication request that other-end sends, described network side server forwards described video communication request to target terminal.
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| CN107463458A (en) * | 2017-08-08 | 2017-12-12 | 武汉微创光电股份有限公司 | A kind of IPSAN monitoring abnormal states and recovery system |
| CN109905851A (en) * | 2018-12-26 | 2019-06-18 | 维沃移动通信有限公司 | A kind of reminding method and terminal device |
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