WO2011147182A1

WO2011147182A1 - Method and remote presentation system for obtaining remote seat position information

Info

Publication number: WO2011147182A1
Application number: PCT/CN2010/080334
Authority: WO
Inventors: 丁鹏; 孙波; 包明辉
Original assignee: 中兴通讯股份有限公司
Priority date: 2010-05-26
Filing date: 2010-12-27
Publication date: 2011-12-01
Also published as: CN101867770A

Abstract

A method and a remote presentation system for obtaining remote seat position information are disclosed. In the method, a multipoint control unit (MCU) receives the control signaling of a remote conference equipment, wherein the control signaling carries the seat position information; and the MCU parses out the seat position information from the control signaling. The technical scheme provided by the invention enables the conference holder of the H.323-based remote presentation system dispenses with management of the seat positions and makes it more convenient to hold the telepresence conferences.

Description

TECHNICAL FIELD The present invention relates to the field of video conferencing, and in particular to a method for acquiring remote agent location information and a remote presentation system. BACKGROUND OF THE INVENTION A telepresence system refers to a conference television system that has an immersive and lively environment through an elaborate environment design. Compared with the traditional video conferencing system, it can provide life-size images, eye contact effects, and smoother. The advantages of exercise and precise limb behavior of remote participants greatly improve the experience of video communication. The remote video conference venue is called the telepresence conference venue. It is different from the conference venue used in traditional video conferences. The telepresence conference venue usually has single screen and multiple screens. The screen here refers to the large display used to present the remote telepresence conference venue. Several screens contain several displays, and there are several video and audio media data. The telepresence venue usually contains a conference table, if there are thousands of seats. The users sitting in the chair are organized into thousands of groups according to the position, and each group corresponds to a 4N head and a display. Here, a plurality of users who have already been grouped are simply referred to as a seat area. According to the design of the screen area, each seat area has a relative position. For example, for a telepresence venue with dual screens, the seating area has left and right points. For a telepresence venue with three screens, the seating area has left and right. The right point, the same reason, the four-screen and above telepresence venue, the seating area also has a corresponding position. The Muti-point Control Unit (MCU) located at the conference initiator needs to obtain the location information of the above-mentioned agent area to perform the operation of switching the site video. Currently, the traditional method for the MCU to obtain the location information of the agent in the remote system is as follows: Before the conference is held, the user knows the location of the agent in each conference through a certain channel, such as by telephone, and then communicates the information to the MCU. The disadvantages of this method are as follows: The location of the agent is only known to the administrator of the remote site. If the local conference convener wants to know the agent information of the site, it needs to use additional channels, multi-party communication, telephone contact, etc. to obtain each site. The position of the seat, if the position of the seat changes, the seat where the agent is required to actively inform the meeting convener, the meeting convener reconfigures the seat position of the change, which undoubtedly increases the difficulty and cost of the conference TV, affecting the meeting effectiveness. At present, the H.323 protocol is widely used in the telepresence system, but the existing H.323-based telepresence system does not have a technical solution for obtaining the remote agent location information in real time. SUMMARY OF THE INVENTION A primary object of the present invention is to provide a method for acquiring remote seat location information and a remote presentation system to solve the existing H.323-based remote presentation system, and there is no real-time acquisition of remote agent location information. The problem with the technical solution. According to an aspect of the present invention, a method for obtaining remote seat location information is provided, including: a multipoint control unit MCU receiving control signaling from a remote conference device, wherein the control signaling carries agent location information The MCU parses the agent location information from the control signaling, which is based on the H.323 protocol. According to another aspect of the present invention, a telepresence system is provided, including: a remote conference device, a Gate Keeper (GK), and a multipoint control unit MCU, wherein the remote conference device The first sending module is configured to send a first control command that carries remote seat location information. The gatekeeper device GK includes: a first receiving module, configured to receive a first control command; a first parsing module, and a first a receiving module is coupled to parse the seat position information from the first control command and save it locally; the second sending module is configured to carry the seat position information in the second control signaling and send to the multi-point control unit MCU ;

The MCU includes: a second receiving module, configured to receive the second control signaling; a second parsing module, configured to parse the agent location information from the second control signaling, and save the local location; wherein, the first control signaling And the second control signaling is based on the H.323 protocol. Compared with the prior art, the technical solution provided by the present invention makes the conference convening party of the H.323-based remote presentation system not need to manage the location of the agent, which can facilitate the convening of the telepresence conference. BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are set to illustrate,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, In the drawing: 1 is a schematic diagram of an application scenario of a remote presentation system according to an embodiment of the present invention; FIG. 2 is a flowchart of a method for acquiring remote agent location information according to Embodiment 1 of the present invention; FIG. 3 is a flowchart according to the present invention. FIG. 4 is a flowchart of acquiring the seat position information by the MCU according to the third embodiment of the present invention; FIG. 5 is a remote presentation according to the fourth embodiment of the present invention; System structure block diagram. BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict. The implementation of the technical solution will be further described in detail below with reference to the accompanying drawings. 1 is a schematic diagram of an application scenario of a remote presentation system according to an embodiment of the present invention. As shown in FIG. 1 , the system is composed of a main conference site of a multi-point control unit MCU of the system, and a plurality of telepresence conference sites, wherein each network The real site has multiple seating areas (not limited to the left, middle, and right areas). Each agent area corresponds to one video. To realize the switching and scheduling of each video of each MCU, the MCU needs to know the various telepresence venues. Agent location information. The embodiments provided below are applicable to the application scenario. It should be noted that, for convenience of description, other devices included in the remote presentation system, such as the gatekeeper device GK, are not shown in the scenario. Embodiment 1 In this embodiment, a method for obtaining remote seat position information is provided. FIG. 2 is a flowchart of a method for acquiring remote seat position information according to Embodiment 1 of the present invention. The method includes: Step S202: The MCU of the conference convening party (ie, the main conference site) receives control signaling from the remote conference device, where the control signaling carries the agent location information, and the control signaling is based on the H.323 protocol; In the implementation process, the foregoing control signaling may be, but not limited to, remote access service (RAS) signaling based on an existing H.323 system, or may be implemented by setting private control signaling to implement the MCU and the remote The interaction of the conference equipment at the end, carrying the telepresence in the control signaling The location information of the seat, where each telepresence site may have multiple conference devices corresponding to different seating areas, and video data of multiple seat areas may also be processed by one conference device. The above-mentioned agent position information may be, but is not limited to, described as: left, center, right, and may also be described as an appointment number of the seat area. In addition to carrying the seat location information, the control signaling carries the identifier of the site to which the information belongs, or the identifier of the seat area in the site, so that the seat location information corresponds to each video, facilitating the MCU to set the playback area and the playback screen. . Step S204: The MCU parses the agent location information from the control signaling. In the implementation process, the MCU parses the agent location information of each telepresence site, and the site identifier and/or the agent area identifier carried in the control signaling, and performs the setting of the play area according to the information. Switching of the playback screen. Compared with the prior art, the remote conference device provided by the foregoing method provides the MCU of the main conference site by using the control signaling, so that the conference convening party of the H.323-based remote presentation system does not need to manage the agent. The location can be more convenient for the telepresence conference. And the separation of business data and media data is realized, which conforms to the development trend of the communication system, simplifies the logic control, improves the data interaction efficiency, and is more conducive to the interconnection and interconnection of the telepresence conference. During the implementation process, the agent location information of each telepresence site is pre-configured before the remote conference device interacts with the MCU. Optionally, the location information of the conference site of the site may be configured by the conference device of each telepresence site, or another control device may be configured to configure the location information of the agent at each site, and the configured seat location information may be sent to the site. Conference equipment. Preferably, in order to facilitate the conference convener to arrange the seating area of each of the conference venues according to the wishes of the conference, the MCU of the main conference site can also configure the seat location information for each telepresence site, and send the configured seat location information to each conference site. The conference device can also be configured with another control device to configure the seat location information at the main venue. It should be understood that the seating position information of each venue can be flexibly set according to the needs of the user, and is limited to the above several methods, and the purpose thereof is to facilitate the use of the user and improve the efficiency of the conference. Embodiment 2 For the method provided in the first embodiment, the present embodiment provides a preferred embodiment, and FIG. 3 is a flowchart of a method for obtaining remote agent location information according to the second embodiment of the present invention. In this embodiment, The conference device of the terminal sends the location information of the conference site of the conference site to the MCU of the main site by the gatekeeper device GK, and the following steps are included: Step S302: The gatekeeper device GK receives the first control signaling of the conference device from the remote end, where The first control signaling carries the remote agent location information; Step S304, the GK resolves the remote agent location information from the first control signaling, and carries the remote agent location information in the second control signaling. Go to the multipoint control unit MCU of the conference convening party; Step S306, the MCU receives the second control signaling, parses the agent position information from the second control signaling, and saves it locally. During the implementation process, the conference device generally needs to interact with the service data (control signaling) of the MCU of the main site through the intermediate device GK. The first control signaling and the second control signaling may be based on the existing H.323. A specific signaling in the RAS signaling of the system, for example, the first control signaling may be, but is not limited to, a registration request RRQ message, and the second control signaling may be, but is not limited to, an ACF message, or may be dedicated. Private control signaling at the location of the interactive agent location information. With the above-mentioned embodiments, the remote conference device can send the control signaling carrying the seat location information to the MCU of the main site through the gatekeeper GK in the existing service data interaction process, which is not only easy to implement, but also easy to implement. The interaction process of additional agent location information is omitted, and the efficiency of the conference is improved. In the implementation process, after the GK parses the remote agent location information from the first control signaling, the second control signaling of the MCU may not be immediately sent, and the parsed remote agent location information is saved locally, preferably. The control command may be sent to the MCU by the MCU. The control signal is marked as the third control command. The operation of the control signaling notifies the MCU of the remote agent location information. Preferably, the foregoing third control signaling may be, but is not limited to, an incoming request ARQ message. The above-mentioned preferred forwarding mode enables the acquisition of the remote agent location information to be controlled by the MCU, which avoids the MCU passively receiving the agent location information, so that the logic of the MCU processing the service data is simpler and the processing efficiency is improved. The third embodiment takes the scenario shown in FIG. 1 as an example. This embodiment provides a specific implementation manner.

The seat 1 of the 1 is configured with an H.323-based conference device, and the conference device transmits its own location information to the MCU of the main site, where it is agreed that the non-standard field identifier in the RAS signaling is

"1.3.6.1.4.1.3902.3005" indicates that the signaling has location information. 4 is a flowchart of acquiring the seat position information of the MCU according to the third embodiment of the present invention. As shown in FIG. 4, the process includes: Step S401: Positioning information of the agent is configured in the conference device corresponding to the agent 1 in the site 1. The location of the agent 1 is the left screen, and the location information is corresponding to the left. Step S402: When the agent 1 registers with the GK, the registration message (Registration Request, RRQ for short) is sent to the GK, and the agent is placed in the field through the RRQ registration message. The location information is notified to GK. Add a location identifier to the non-standard field of the RRQ signaling, and attach the location information to the content. The non-standard fields of RRQ signaling are set as follows:

RegistrationRequest ::= SEQUENCE --(RRQ) { reque stS eqNum Reque stSeqNum, protocolldentifier Protocolldentifier. nonStandardData NonStandardParameter OPTIONAL.

}

NonStandardParameter ::= SEQUENCE { nonStandardldentifier NonStandardldentifier, data OCTET STRING

} Define a new NonStandardldentifier value with a value of "1.3.6.1.4.1.3902.3005" indicating that the non-standard message content has location information. The location information content is attached to the data value field. The Data value is set to "Left". Step S403: The GK recognizes the "1.3.6.1.4.1.3902.3005" identifier of the non-standard field in the RRQ signaling, parses the location information of the agent from the data field, and saves it; Step S404, MCU call When the agent is seated 1, the automatic request (ARQ) message needs to be sent to the GK. Step S405: After receiving the ARQ message, the GK obtains the location information saved before the corresponding agent, and carries it in the ACF message "1.3.6.1". .4.1.3902.3005 "In the non-standard field data, the response to the MCU, the non-standard field of the ACF message is set as follows:

RegistrationConfirm ::= SEQUENCE --(RCF) { reque stS eqNum Requests eqNum. protocolldentifier Protocolldentifier.

nonStandardData NonStandardParameter OPTIONAL. ...

}

} The value of a NonStandardldentifier of the booster port is identified as "1.3.6.1.4.1.3902.3005", indicating that the non-standard field is location information, and the content of the location information is attached to the data value field. The data value is set to "left"; in step S406, the MCU parses out the "1.3.6.1.4.1.3902.3005" non-standard identifier in the ACF message, and takes out the content of the non-standard field, and obtains the position of the corresponding agent 1 as the left. Compared with the prior art, the technical solution provided by the embodiment realizes the location of the site seat, and avoids the need for the venue to mobilize personnel to maintain the seat location information of the site calling platform, and at the same time, in the non-media processing. Obtaining the location information of the agent, completely separating the media from the business. The above description is only a specific embodiment that is more representative of the present invention, but the scope of protection of the present invention is not limited thereto, and the representation of the position information of the seat is not limited to the left, the middle, and the right, as long as it is related to the position. Location information; The number of screens is not limited to 1, 2, 3 screens, and any exhibition is within the scope of the present invention; H.323 agents inform GK of location information, not limited to non-standard fields using existing RRQs; MCU and GK The location information obtained through the ACF interaction is not limited to the use of non-standard fields, and any other fields are used within the scope of the present invention. Embodiment 4 In this embodiment, a telepresence system is provided. FIG. 5 is a structural block diagram of a telepresence system according to Embodiment 4 of the present invention. As shown in FIG. 5, the system includes: a remote conference device 50. The gatekeeper device GK 52, the multipoint control unit MCU 54, wherein the remote conference device 50 includes: a first sending module 500, configured to send a first control command carrying remote seat location information, preferably, A control command uses an RRQ message based on RAS signaling of the H.232 system. The gatekeeper device GK 52 includes: a first receiving module 520, a first parsing module 522, and a second sending module 524, wherein the first receiving module 520 is configured to receive the first control command; the first parsing module 522, and the A receiving module 520 is configured to parse the seat position information from the first control command and save it locally; the second sending module 524 is configured to carry the seat position information Transmitted to the MCU 54 in the second control signaling. Preferably, the second control command uses an ACF message based on the RAS signaling of the H.232 system. The multi-point control unit MCU 54 includes a second receiving module 540 and a second parsing module 542, wherein the second receiving module 540 is configured to receive the second control signaling, and the second parsing module 542 is configured to receive the second control. The agent position information is parsed in the signaling and saved locally. The first control signaling and the second control signaling are based on the H.323 protocol. Compared with the prior art, in the foregoing remote presentation system provided by the embodiment, the remote conference device notifies the MCU of the main conference site by using the control signaling, and not only the conference convening party of the H.323-based remote presentation system is provided. It is more convenient to hold a telepresence conference without having to manage the location of the agent. And the separation of business data and media data is realized, which conforms to the development trend of the communication system, simplifies the logic control, improves the data interaction efficiency, and is more conducive to the interconnection and interconnection of the telepresence conference. Preferably, the remote presentation system may further include: a configuration module, configured to configure the location information of the agent, where the configuration module may be disposed in the remote conference device 50, or may be disposed in the conference site and further disposed in a control device. It can be set in the MCU 54 or in a control device arranged in the main venue. It should be understood that the configuration module can be flexibly set according to the needs of the user, and is not limited to the above several methods, and the purpose thereof is to facilitate the use of the user and improve the efficiency of the conference. Preferably, the MCU 54 in the above-mentioned remote presentation system may further include: a third sending module 544, configured to send a third control signaling to the GK, indicating that the remote conference device joins the conference, and preferably, the third control signaling may be However, it is not limited to ARQ messages using RAS signaling based on H.232 systems. Preferably, the GK 52 may further include: a third receiving module 526 and a storage module 528, wherein the third receiving module 526 is configured to receive the third control command and trigger the second sending module; and the storage module 528 is configured to store The seat position information parsed from the first control command. The above preferred system enables the acquisition of the remote seat position information to be controlled by the MCU, thereby avoiding the MCU passively receiving the seat position information, so that the logic of the MCU processing the service data is simpler and the processing efficiency is improved. From the above description, it can be seen that, compared with the prior art, the technical solution provided by the embodiment of the present invention, the conference convener of the H.323-based remote presentation system does not need to manage the position of the agent, but the seat position. It is completely managed by the venue where the agent is located, which makes it easier to hold the telepresence conference, and Moreover, the present invention obtains the position of the agent by acquiring the seat position information through control signaling, realizing the separation of the service data and the media data, simplifying the logic control, and improving the data acquisition efficiency, and the preferred embodiment provided by the present invention, that is, The bearer location information is expanded in the existing signaling of the H.323, and is independent of the media data, which is convenient for implementation, and is more conducive to the interconnection and interconnection of the telepresence conference. Obviously, those skilled in the art should understand that the above modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein. The steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps are fabricated as a single integrated circuit module. Thus, the invention is not limited to any specific combination of hardware and software. The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the scope of the present invention are intended to be included within the scope of the present invention.

Claims

Claim

A method for obtaining remote seat location information, comprising:

The multi-point control unit MCU receives the control signaling of the conference device from the remote end, where the control signaling carries the seating location information, the control signaling is based on the H.323 protocol; the MCU is from the control signaling Parsing the seat position information.

The method according to claim 1, wherein before the MCU receives the control signaling from the remote conference device, the method further includes:

Configuring the seat location information;

The remote conference device carries the agent location information in the control signaling and sends the information to the GK.

The method according to claim 2, wherein the agent location information is configured by the remote conference device or the remote control device.

The method according to claim 2, wherein the agent location information is configured by the MCU of the conference convening party or the control device of the conference convening party, and the configured seat location information is sent. Give the remote conference device.

The method according to claim 1, wherein the MCU receives control signaling from the remote conference device, including:

The gatekeeper device GK receives the first control signaling from the remote conference device, where the first control signaling carries the remote agent location information;

The remote agent position information parsed by the GK from the first control signaling is carried in the second control signaling and sent to the MCU;

The MCU receives the second control signaling.

The method of claim 5, further comprising: after the GK parsing the remote agent location information, the GK saving the remote agent location information locally.

The method according to claim 5, before the sending, by the GK, the second control signaling to the MCU, the method further includes: receiving, by the GK, third control signaling to the MCU, The third control signaling is used to indicate that the remote conference device joins the conference.

The method according to any one of claims 1 to 7, wherein the first control signaling is a registration request RRQ message, and the second control signaling is an incoming response ACF message, the third Control signaling is an incoming request ARQ message.

9. A telepresence system, comprising:

Remote conference equipment, including:

The first sending module is configured to send a first control command that carries remote seat location information; the gatekeeper device GK includes:

a first receiving module, configured to receive the first control command;

The first parsing module is coupled to the first receiving module, configured to parse the seat location information from the first control command, and save the local location;

a second sending module, configured to carry the agent location information in the second control signaling to the multipoint control unit MCU;

The MCU includes:

a second receiving module, configured to receive the second control signaling;

a second parsing module, configured to parse the agent location information from the second control signaling, and save the local location;

The first control signaling and the second control signaling are based on an H.323 protocol.

The system according to claim 9, further comprising: a configuration module, configured to configure the agent location information;

The configuration module is disposed at the remote conference device or the remote control device; or

The configuration module is disposed on a control device of the MCU or the conference convening party.

11. The system of claim 9 wherein: The MCU further includes:

a third sending module, configured to send a third control signaling to the GK, to indicate that the remote conference device joins the conference;

The GK also includes:

a third receiving module, configured to receive the third control command, and trigger the second sending module;

And a storage module, configured to store the seat location information parsed from the first control command. The system according to claim 11, wherein the first control signaling is a registration request RRQ message, the second control signaling is an incoming response ACF message, and the third control signaling is an incoming request ARQ Message.