WO2012048614A1

WO2012048614A1 - Method and system for automatic recall terminal online in video conference

Info

Publication number: WO2012048614A1
Application number: PCT/CN2011/079889
Authority: WO
Inventors: 郑平
Original assignee: 中兴通讯股份有限公司
Priority date: 2010-10-11
Filing date: 2011-09-20
Publication date: 2012-04-19
Also published as: CN102036050B; CN102036050A

Abstract

A method and system for automatic recall terminal online in a video conference are provided by the present invention, so as to solve the problem that a terminal is cut off during a conference. Following operations can be gone into:judge whether a terminal is cut off abnormally, if so, the terminal is hung up actively, and information of the terminal cut off abnormally is saved; B, check whether the terminal which initiates registration is same with the terminal cut off abnormally in the step A, if so, step C is carried out; C, resource configuration is carried out on the terminal cut off abnormally; D, inquire whether the conference that the terminal is involved in before the terminal is cut off abnormally still exists, if yes, the terminal cut off abnormally is called to re-access to the conference. According to the invention, the disadvantages that a video conference system sends call request continuously when the terminal is in an abnormal disconnection state all the time, the system efficiency is affected and the system resources are wasted can be effectively avoided.

Description

Method and system for automatically re-calling terminal online on video conference

The present invention relates to the field of multimedia communication technologies, and in particular, to a method and system for a video conference to automatically re-call a terminal after a terminal is abnormally disconnected in a video conference. Background technique

Video conferencing system, also known as conference television system, refers to individuals or groups in two or more different places. Through transmission lines and multimedia devices, voice, video and document data are transmitted to each other for instant and interactive communication. System equipment that achieves the purpose of the meeting. The use of video conferencing is like a phone call. In addition to being able to see the people you talk to and communicate in language, you can also see their expressions and actions, making people in different places communicate in the same room.

In general, video conferencing systems include: (1), gatekeeper (GK, Gatekeeper), address resolution, call control, bandwidth management, routing management, etc.; (2), multipoint controller (MCU, Multipoint Control Unit ), is the core part of the video conferencing system, providing users with group conferences, multiple groups of conference connections; (3), video conference terminals, terminals need to be registered after GK; (4), video service management device, Implement conference management, call conferences, conference control and other functions.

During the video conference, some unexpected faults may occur due to communication lines, switches, etc., causing the video terminal to be abnormally disconnected, thus affecting the continuity of communication. The solution adopted by the prior art is that the video conference system finds that the video terminal is abnormally disconnected, and initiates a timed repeat call by means of a timer, until the terminal reconnects to the conference, and the patent "CN02126928.9" is based on the above idea.

However, if the terminal is always in an abnormally disconnected state, the video conference system cannot determine whether the terminal is back to normal. The call request is continuously sent according to the duration set by the timer. Occupying the resources of the video conferencing system, affecting the efficiency of the system and wasting system resources. Summary of the invention

In view of the above, the main purpose of the present invention is to provide a method for a video conference automatic re-calling terminal to go online in a communication network. The method can effectively prevent the video conference system from continuously sending a call request when the video terminal is always in an abnormally disconnected state. Affects system efficiency and wastes system resources.

In order to achieve the above object, the technical solution of the present invention is achieved as follows:

A video conference automatically re-calls a method for a terminal to go online, which is used to solve the situation in which a terminal is dropped at a conference. The method includes:

A. Determine whether the terminal is abnormally disconnected, and actively hang up the terminal when the judgment result is yes, and save the information of the terminal that is abnormally disconnected;

B. Check whether the terminal that initiates the registration is the same as the terminal that is abnormally disconnected in step A, and performs step C when the judgment result is the same;

C. Configuring resources for the terminal that is abnormally disconnected;

D. Query whether the conference that the terminal participates in before the abnormal disconnection still exists, and the terminal that is abnormally disconnected when the conference still exists re-accesses the conference.

The situation that the terminal is abnormally disconnected in the step A includes:

(Al) After the video conference is held, the terminal is not called to access the conference due to registration failure;

(A2) After the video conference is held, the connection channel establishment of the terminal and the video conference fails and the call is not connected to the conference;

(A3) After the terminal accesses the conference, there is no survival message within the specified time;

(A4) After the terminal accesses the conference, no media stream is received within the specified time. The information of the terminal that is abnormally disconnected includes: a name of the terminal that is abnormally disconnected, a number, and an ID of a conference that is involved when disconnected.

The resources configured in the step C for the terminal that is abnormally disconnected include: IP address and port of the conference.

The step D further includes: deleting the information of the abnormally disconnected terminal that has been saved in step A.

A video conference automatically re-calls a terminal online system, including:

The GK is configured to receive a registration request of the terminal, and exchange information with the video service management device. The video service management device is configured to exchange information with the GK, and control the connection and disconnection of the terminal. The video service management device includes:

The determining unit is configured to determine whether the terminal is abnormally disconnected, and when the judgment result is yes, actively suspend the terminal, and send the information of the abnormally disconnected terminal to the GK for saving;

The query unit is configured to check whether the conference that the terminal participates in before the abnormal disconnection still exists, and the call is successfully registered to the terminal of the GK to participate in the conference when the conference still exists;

The GK includes:

a storage unit that stores a list of re-call terminals formed by information records of terminals that are abnormally disconnected;

a comparing unit, configured to determine whether the re-calling terminal list includes information about initiating a registered terminal, and if yes, indicating that the abnormally disconnected terminal re-registers to the GK, triggering the GK to allocate resources for the terminal, and notifying the video service management apparatus Query whether the conference that the terminal participates before the abnormal disconnection still exists.

The configuration unit configures resources for terminals that successfully register with the GK.

The situation that the video service management apparatus determines that the terminal is abnormally disconnected includes:

(1) After the video conference is held, the terminal does not access the conference because it has not successfully registered to the GK;

(2) After the video conference is held, the terminal does not access the conference due to the failure of connecting the video service management device;

(3) After the terminal accesses the conference, the GK does not receive the survival of the terminal within the specified time. (4) After the terminal accesses the conference, no media stream is received within the specified time.

The information record of the terminal that is abnormally disconnected includes the name, the number of the terminal that is abnormally disconnected, and the ID of the conference that participates when disconnected.

The resources configured by the configuration unit include: an IP address and a port where the terminal accesses the video conference.

The GK further includes a deleting unit, configured to delete, after receiving the deletion instruction from the video service processing module, the information record of the terminal that re-accesses the conference from the list of re-calling terminals.

Compared with the prior art, the method and system of the present invention can actively determine whether an abnormally disconnected video terminal returns to a normal state. When the video terminal is in an abnormal situation, the video conference system does not initiate a call to the video terminal. After the video terminal returns to normal, the video conference system initiates a re-call in time, thereby avoiding waste of system resources due to timing re-call, thereby saving the system. Resources that improve the performance of the system. DRAWINGS

1 is a schematic block diagram of a video conference automatic repeating terminal going online;

2 is a flowchart of a video conference automatically re-calling a terminal when a terminal is not successfully connected to a GK and is not connected to a conference according to an embodiment of the present invention;

FIG. 3 is a flowchart of a video conference automatically re-calling a terminal when a terminal fails to access a conference due to a failure of connecting to a video service management apparatus according to an embodiment of the present invention;

4 is a flowchart of the GK not receiving the survival message of the terminal within a predetermined time after the terminal accesses the conference according to the embodiment of the present invention, and the terminal is determined to be abnormally disconnected, and the video conference automatically re-calls the terminal to go online;

FIG. 5 is a flow chart of the video conference automatically re-calling the terminal online after the terminal accesses the conference, if no media stream is received within a specified time, and the terminal is determined to be abnormally disconnected. detailed description

The basic idea of the present invention is: The video conference system first determines whether the disconnected video terminal returns to a normal state. When the video terminal is in an abnormal situation, the video conference system does not initiate a call to the terminal; when the video terminal returns to normal, the video The conference system actively calls the terminal. By adopting the method of the present invention, the system can initiate a re-call in time according to the state of the terminal, thereby avoiding waste of system resources due to timing re-calling, thereby saving system resources and improving system performance.

The implementation of the technical solution will be further described in detail below with reference to the accompanying drawings.

The scenario shown in FIG. 2 is a flowchart of the video conference automatically re-calling the terminal online after the video conference is held, because the network is unreachable, the terminal is not powered on, and the terminal is not successfully registered to the GK and the conference is not accessed. :

Step 201: The video service management device calls the terminal;

Step 202: The GK returns a call rejection to the video service management device.

Step 203: The video service management device receives the call rejection, determines that the terminal is abnormally disconnected, and no longer calls the terminal;

Step 204: The video service management device sends the information of the abnormally disconnected terminal to the GK for saving. The information of the abnormally disconnected terminal is usually the terminal name, the terminal number, and the ID of the conference in which the terminal participates before disconnection;

Step 205: After receiving the information of the video service management device, the GK saves the name, the number, and the ID of the conference in which the terminal is disconnected before the disconnection;

Step 206: After the abnormally disconnected terminal returns to normal, initiate a re-registration message to the GK. Step 207: The GK receives the registration message of the terminal, checks the list of re-call terminals, and if the terminal information exists in the list, the video service management device is sent to the video service management device. The sending terminal resumes the normal message, and the terminal restores the normal message including the terminal number, the terminal name, and the ID of the conference that participated before disconnecting; Step 208: The GK configures the IP address and port of the terminal to access the video conference in the configuration file. Step 209: The video service management apparatus receives a message that the abnormally disconnected terminal returns to normal. After that, according to the received conference ID, it is checked whether there is still a corresponding conference. If yes, the call connection is initiated to enable the terminal to access the conference, otherwise the record deletion message is directly sent to the GK;

Step 210: After the video service management device connects to the terminal and successfully accesses the conference, sends a record deletion message to the GK.

Step 211: After receiving the record deletion message from the video service management device, the GK deletes the information record in the re-call terminal list by the terminal that re-accesses the conference.

The situation shown in Figure 3 is a flowchart of the video conference automatically re-calling the terminal when the terminal fails to access the conference due to the failure of the video service management device after the video conference is held. The situation includes:

Step 301: The video service management device calls the terminal;

Step 302: The terminal fails to connect to the video service management device.

Step 303: The video service management device determines that the terminal is abnormally disconnected, and no longer calls the terminal. Step 304: The video service management device sends the information of the abnormally disconnected terminal to the GK for saving. The information of the abnormally disconnected terminal is usually the terminal name, the terminal number, and the ID of the conference in which the terminal participates before disconnection;

Step 305: After receiving the information of the video service management device, the GK saves the name, the number, and the ID of the conference in which the terminal is disconnected before the disconnection;

Step 306: After the abnormally disconnected terminal returns to normal, initiate a re-registration message to the GK. Step 307: The GK receives the registration message of the terminal, checks the list of the re-calling terminal, and if the terminal information exists in the list, the video service management device is sent to the video service management device. The sending terminal resumes the normal message, and the terminal restores the normal message, including the terminal number, the terminal name, and the ID of the conference that participated before disconnecting; Step 308: The GK configures the IP address and port of the terminal to access the video conference in the configuration file; Step 309 After receiving the abnormally disconnected terminal and returning to the normal message, the video service management device checks whether the corresponding conference still exists according to the received conference ID. If yes, initiates a call connection to enable the terminal to access the conference, otherwise directly GK sends a record deletion message; Step 310: After the video service management device connects to the terminal and successfully accesses the conference, sends a record deletion message to the GK.

Step 311: After receiving the record deletion message from the video service management device, the GK deletes the information record in the re-call terminal list by the terminal that re-accesses the conference.

The situation shown in Figure 4 is that after the terminal joins the conference, the GK does not receive the survival message of the terminal within the specified time due to the network or the terminal itself is faulty, and the video conference system determines that the terminal is abnormally disconnected. After the network or the terminal returns to normal, the video conference system calls the terminal to go online, and the situation includes:

Step 401: The GK periodically sends an information request (IRQ) message to the participant terminal to detect whether the terminal is online, and the participant terminal sends an IRR message to respond to the IRQ of the GK;

Step 402: The GK does not receive an information request response (IRR) message from the terminal within a predetermined time, and notifies the video service management apparatus to perform the determination;

Step 403: The video service management device determines that the terminal is abnormally disconnected, and hangs up the terminal actively; Step 404: The video service management device sends a terminal abnormal disconnect message to the GK;

Step 405: The GK saves the information of the abnormally disconnected terminal in the list of re-call terminals. Abnormally disconnected terminal information is usually the terminal name, the terminal number, and the ID of the conference in which the terminal participates before disconnection;

Step 406: After the abnormally disconnected terminal returns to normal, the registration is re-initiated to the GK. Step 407: The GK receives the registration message of the terminal, checks the list of the re-calling terminal, and if the information record of the terminal exists in the list, the video service is managed. The device sending terminal resumes the normal message, and the terminal resumes the normal message including the terminal number, the terminal name, and the ID of the conference that participated before disconnecting;

Step 408: The GK configures the IP address and port of the terminal to access the video conference in the configuration file. Step 409: After receiving the abnormally disconnected terminal, the video service management device checks whether the message is still received according to the received conference ID. There is a corresponding meeting, if it exists, then send The call connection is used to enable the terminal to access the conference. Otherwise, the record deletion message is directly sent to the GK. Step 410: After the video service management device connects to the terminal and accesses the conference successfully, the record deletion message is sent to the GK.

Step 411: After receiving the record deletion message from the video service management device, the GK deletes the information record in the re-call terminal list by the terminal that re-accesses the conference.

The situation shown in Figure 5 is that after the terminal joins the conference, no media stream is received within the specified time, and the video conference system determines that the terminal is abnormally disconnected. After the terminal returns to normal, the video conference system calls the terminal to go online. The situation includes:

Step 501: The video service management device calls the terminal to join the conference;

Step 502: The terminal does not receive any media code stream within a specified time, and the GK notifies the video service management device to perform the determination;

Step 503: The video service management device determines that the terminal is abnormally disconnected, and hangs up the terminal actively; Step 504: The video service management device sends a terminal abnormal disconnect message to the GK;

Step 505: The GK saves the information of the terminal that is abnormally disconnected in the list of re-call terminals. Abnormally disconnected terminal information is usually the terminal name, the terminal number, and the ID of the conference in which the terminal participates before disconnection;

Step 506: After the abnormally disconnected terminal returns to normal, re-initiate registration with the GK; Step 507: The GK receives the registration message of the terminal, checks the list of re-call terminals, and if the terminal information exists in the list, sends the information to the video service management device. The terminal restores the normal message, and the terminal restores the normal message, including the terminal number, the terminal name, and the ID of the conference that participated before disconnecting; Step 508: The GK configures the IP address and port of the terminal to access the video conference in the configuration file; Step 509: After receiving the abnormally disconnected terminal and returning to the normal message, the video service management device checks whether the corresponding conference still exists according to the received conference ID. If yes, initiates a call connection to enable the terminal to access the conference, otherwise directly to the GK. Send a record delete message;

Step 510: After the video service management device connects to the terminal and accesses the conference successfully, sends the message to the GK. Record deletion messages;

Step 511: After receiving the record deletion message from the video service management device, the GK deletes the information record in the re-call terminal list by the terminal that re-accesses the conference.

The above is only the preferred embodiment of the present invention and is not intended to limit the scope of the present invention. Industrial applicability

The invention discloses a method and a system for automatically re-calling a terminal of a video conference, which is used for solving the situation that the terminal is disconnected at the conference, and can enter the following operations: determining whether the terminal is abnormally disconnected, and actively determining when the judgment result is yes The terminal hangs up and saves the information of the terminal that is abnormally disconnected; B. Checks whether the terminal that initiated the registration is the same as the terminal that is abnormally disconnected in step A, and performs step C when the judgment result is the same; C, is abnormal Disconnecting the terminal configuration resource; D. Querying whether the conference in which the terminal is abnormally disconnected still exists, and the terminal that is abnormally disconnected when the conference still exists re-accesses the conference. The invention effectively avoids the defect that the video conference system continuously sends call requests when the terminal is always in an abnormally disconnected state, which affects system efficiency and wastes system resources.

Claims

Claim

A method for automatically re-calling a terminal on a video conference to solve the situation in which the terminal is disconnected at the conference. The method includes:

C. Configuring resources for the terminal that is abnormally disconnected;

2. The method according to claim 1, wherein the situation in which the terminal is abnormally disconnected in the step A includes:

(A) After the video conference is held, the terminal is not called to access the conference due to the registration failure; (A2), after the video conference is held, the connection channel establishment of the terminal and the video conference fails and the call is not accessed to the conference;

(A4) After the terminal accesses the conference, no media stream is received within the specified time.

3. The method according to claim 1, wherein the information of the terminal that is abnormally disconnected includes: a name of the terminal that is abnormally disconnected, a number, and an ID of a conference that is involved when disconnected.

4. The method according to claim 1, wherein the resources configured in the step C for the terminal that is abnormally disconnected include: an IP address and a port of the terminal accessing the video conference.

The method according to any one of claims 1 to 4, wherein the step D further comprises: deleting the information of the abnormally disconnected terminal that has been saved in the step A.

6. A system for automatically re-calling a terminal for a video conference, comprising:

a gatekeeper GK, configured to receive a registration request of the terminal, and exchange information with the video service management device; The video service management device is configured to exchange information with the GK, and control the connection and disconnection of the terminal. The video service management device includes:

The GK includes:

7. The system according to claim 6, wherein the video service management device determines that the terminal is abnormally disconnected, and includes:

(3) After the terminal accesses the conference, the GK does not receive the survival of the terminal within the specified time.

(4) After the terminal accesses the conference, no media stream is received within the specified time.

8. The system according to claim 6, wherein the information record of the terminal that is abnormally disconnected includes the name, the number of the abnormally disconnected terminal, and the ID of the conference in which the disconnection occurs.

9. The system of claim 6, wherein the resources configured by the configuration unit comprise: The IP address and port of the terminal accessing the video conference.

The system according to any one of claims 6 to 9, wherein the GK further includes a deleting unit, configured to reconnect the information of the terminal of the conference after receiving the deletion instruction from the video service processing module. The record is deleted from the list of re-call terminals.