CN108632398B

CN108632398B - A kind of conference access method and system, association turn server and conference management terminal

Info

Publication number: CN108632398B
Application number: CN201710623034.XA
Authority: CN
Inventors: 赵振华; 亓娜; 邵文超; 古明敏
Original assignee: Visionvera Information Technology Co Ltd
Current assignee: Visionvera Information Technology Co Ltd
Priority date: 2017-07-27
Filing date: 2017-07-27
Publication date: 2019-11-12
Anticipated expiration: 2037-07-27
Also published as: CN108632398A

Abstract

The embodiment of the invention provides a kind of conference access method and system, association turns server and conference management terminal.This method comprises: association, which turns server reception conference management terminal, is based on view networking protocol, by view networked server, the first membership solicited message of transmission；The first membership solicited message includes virtual view networked terminals number；The association turns server and obtains and the virtual external equipment mark for regarding networked terminals number binding；The association turns server internet protocol-based and identifies the second membership solicited message of corresponding external equipment transmission to the external equipment；If receiving the first membership response message of external equipment internet protocol-based return, which turns server and is based on view networking protocol, returns to the second membership response message to the conference management terminal by view networked server.External equipment can be accessed view networking meeting by the embodiment of the present invention, so that improving the flexibility and applicability of view networking meeting depending on the terminal diversification of attending a meeting for meeting of networking.

Description

A kind of conference access method and system, association turn server and conference management terminal

Technical field

The present invention relates to view networking technology fields, and more particularly to a kind of conference access method and system, association turns server With conference management terminal.

Background technique

Currently, playing increasing effect depending on networking meeting.

It is every in view networking meeting by Pamir (Pamir, depending on Conference control software of networking) control of conference management terminal A meeting-place is by supporting depending on networked terminals, and the audio/video flow in each meeting-place is to pass through view networked server by view networked terminals Transmitting-receiving.

However in the case where no view networked terminals, such as accident rescue commander's meeting, in accident front someone It needs through other external equipments (such as mobile terminal, tablet computer) urgent accessing conference, there are no one kind in the prior art Effective solution method.

Summary of the invention

In view of the above problems, it proposes the embodiment of the present invention and overcomes the above problem or at least partly in order to provide one kind A kind of conference access method and system to solve the above problems, association turn server and conference management terminal.

To solve the above-mentioned problems, the embodiment of the invention discloses a kind of conference access method, the method is applied to view In networking, comprising:

Association turns server reception conference management terminal and is based on view networking protocol, passes through view networked server, and the first of transmission Membership solicited message；The first membership solicited message includes the virtual view networked terminals number of virtual view networked terminals；It is described It is virtual to turn server with the association depending on networked terminals and bind；

The association turns server and obtains and the virtual external equipment mark for regarding networked terminals number binding；

The association turns server internet protocol-based and identifies corresponding external equipment transmission second to the external equipment Membership solicited message；

If receiving the first membership response message that the external equipment internet protocol-based returns, the association turns clothes Business device is based on view networking protocol, by view networked server the second membership response message of return to the conference management terminal；Institute Stating the second membership response message includes the virtual view networked terminals number.

Optionally, turn server reception conference management terminal in association and be based on view networking protocol, by view networked server, send out Before the step of the first membership solicited message sent, the method also includes:

The association turns the server reception conference management terminal and is based on view networking protocol, by view networked server, sends out The external equipment mark sent；The association, which turns server binding, has at least one virtually to regard networked terminals；

The association turns server and binds external equipment mark and the virtual view networked terminals；The virtual view connection Network termination includes the virtual view networked terminals number and virtual mac address；The virtual view networked terminals join in the view Network server authentication registration；

The association turns server and is based on view networking protocol, by view networked server, returns to the virtual view networked terminals Number.

Optionally, the method also includes:

The association turns the conference status that server obtains the external equipment；The conference status includes accessing conference shape State, accessing conference state, accessing conference status of fail, refusal accessing conference state；

The association turn server based on depending on networking protocol, pass through and return to the meeting shape of the external equipment depending on networked server State information is to the conference management terminal；The conference status information includes the corresponding virtual view networked terminals of the external equipment Number and the conference status；Eventually for the corresponding virtual view networking of external equipment described in the conference management terminal recording and displaying The conference status at end.

Optionally, the method also includes:

The association turns the first conferencing data packet that server receives the view networking protocol that the view networked server is sent；Institute Stating the first conferencing data packet includes first path information；The first path information includes the MAC of the view networked server The virtual mac address of location and the virtual view networked terminals；Wherein, the MAC Address for regarding networked server is source address, institute It states and virtually regards the virtual mac address of networked terminals as purpose address；

The association turns server and obtains the external equipment mark bound with the virtual mac address；

The association turns the second conferencing data packet that server converts the first conferencing data packet to Internet protocol；

The association turns server and the second conferencing data packet is sent to the external equipment mark by Internet protocol Know corresponding external equipment.

Optionally, the method also includes:

The association turns server and receives the third conferencing data packet that the external equipment internet protocol-based is sent；It is described Third conferencing data packet includes the external equipment mark of the external equipment；

The association turns the virtual mac address that server obtains the virtual view networked terminals bound with the outer logo；

The association turns the 4th conferencing data packet that server converts the third conferencing data packet to view networking protocol；Institute Stating the 4th conferencing data packet includes the second routing information；Second routing information includes the virtual of the virtual view networked terminals The MAC Address of MAC Address and the view networked server；Wherein, the virtual virtual mac address for regarding networked terminals is as source Location, the MAC Address for regarding networked server is purpose address；

The association turns server and is based on view networking protocol, and the 4th conferencing data packet is sent to the view the Internet services Device；For the view networked terminals that the 4th conferencing data packet is sent to accessing conference depending on networked server.

The embodiment of the invention also discloses a kind of conference access method, the method is applied in view networking, comprising:

Conference management terminal is based on view networking protocol, by view networked server, and Xiang Xiezhuan server sends the first membership Solicited message；The first membership solicited message includes the virtual view networked terminals number of virtual view networked terminals；It is described virtual Turn server binding depending on networked terminals and the association；Turn server for the association and obtain virtual to tie up depending on networked terminals number with described Fixed external equipment mark, and internet protocol-based identifies corresponding external equipment to the external equipment and sends the second membership Solicited message；

The conference management terminal reception association turns server and is based on view networking protocol, is returned by regarding networked server The second membership response message；The second membership response message includes the virtual view networked terminals number；Described second enters Meeting response message is that the association turns server in the first membership sound for receiving the external equipment internet protocol-based return It is returned when answering information.

Optionally, view networking protocol is based on, by view networked server, Xiang Xiezhuan server in the conference management terminal Before the step of sending the first membership solicited message, the method also includes:

The conference management terminal is based on view networking protocol, by view networked server, turns server to the association and sends The external equipment mark；The association, which turns server binding, has at least one virtually to regard networked terminals；Turn server for the association External equipment mark and the virtual view networked terminals are bound；It is described it is virtual depending on networked terminals include the virtual view connection Network termination number and virtual mac address；The virtual view networked terminals are in the view networked server authentication registration；

The conference management terminal receives the association and turns server based on regarding networking protocol, passing through view networked server, returns The virtual view networked terminals number returned.

Optionally, the method also includes:

The conference management terminal reception association turns server and is based on view networking protocol, is returned by regarding networked server The external equipment conference status information；The conference status information includes the corresponding virtual view networking of the external equipment Termination number and conference status；The conference status is the conference status for the external equipment that the association turns server acquisition； The conference status includes accessing conference state, accessing conference state, accessing conference status of fail, refusal accessing conference shape State；

The conference status of the corresponding virtual view networked terminals of external equipment described in the conference management terminal recording and displaying.

Further, the method also includes:

The conference management terminal obtains the conference status of the external equipment of record and shows after synchronous conferencing Show.

Optionally, the method also includes:

The conference management terminal is arranged the corresponding virtual view of the external equipment according to the type of the external equipment and joins The meeting permission of network termination.

The embodiment of the invention discloses a kind of associations to turn server, is applied in view networking, comprising:

Membership request receiving module is based on view networking protocol, by regarding networked server for receiving conference management terminal, The the first membership solicited message sent；The first membership solicited message includes the virtual view networked terminals of virtual view networked terminals Number；It is described it is virtual depending on networked terminals and it is described association turn server binding；

First peripheral hardware data obtaining module, for obtaining the external equipment mark with the virtual view networked terminals number binding Know；

First membership request sending module identifies corresponding outside to the external equipment for internet protocol-based and sets Preparation send the second membership solicited message；

Membership response processing module, if the first membership returned for receiving the external equipment internet protocol-based Response message, then it is described association turn server be based on view networking protocol, by view networked server return the second membership response message To the conference management terminal；The second membership response message includes the virtual view networked terminals number.

Optionally, the association turns server further include:

Peripheral hardware information receiving module is based on view networking protocol, by view networking clothes for receiving the conference management terminal Business device, the external equipment mark of transmission；The association, which turns server binding, has at least one virtually to regard networked terminals；

Peripheral hardware binds setup module, for binding external equipment mark and the virtual view networked terminals；It is described It include virtually the virtual view networked terminals number and virtual mac address depending on networked terminals；The virtual view networked terminals exist The view networked server authentication registration；

Binding information return module, for returning to the virtual view connection based on regarding networking protocol, passing through view networked server Network termination number.

Optionally, the association turns server further include:

Conference status obtains module, for obtaining the conference status of the external equipment；The conference status includes access Conference status, accessing conference state, accessing conference status of fail, refusal accessing conference state；

Conference status return module, for returning to the external equipment based on view networking protocol, by view networked server Conference status information to the conference management terminal；The conference status information includes the corresponding virtual view of the external equipment Networked terminals number and the conference status；It is corresponding virtual for external equipment described in the conference management terminal recording and displaying Depending on the conference status of networked terminals.

Optionally, the association turns server further include:

First conferencing data receiving module, for receiving the first meeting of the view networking protocol that the view networked server is sent Discuss data packet；The first conferencing data packet includes first path information；The first path information includes the view networking clothes The virtual mac address of the MAC Address of business device and the virtual view networked terminals；Wherein, the MAC Address of the view networked server For source address, the virtual virtual mac address for regarding networked terminals is purpose address；

Second peripheral hardware data obtaining module, for obtaining the external equipment mark with virtual mac address binding；

First conferencing data conversion module, for converting the first conferencing data packet to the second meeting of Internet protocol Discuss data packet；

First conferencing data sending module, it is described for being sent to the second conferencing data packet by Internet protocol External equipment identifies corresponding external equipment.

Optionally, the association turns server further include:

Second conferencing data receiving module, the third meeting sent for receiving the external equipment internet protocol-based Data packet；The third conferencing data packet includes the external equipment mark of the external equipment；

Third peripheral hardware data obtaining module, it is virtual with the virtual view networked terminals of outer logo binding for obtaining MAC Address；

Second conferencing data conversion module, for converting the third conferencing data packet to the 4th meeting of view networking protocol Discuss data packet；The 4th conferencing data packet includes the second routing information；Second routing information includes the virtual view connection The MAC Address of the virtual mac address of network termination and the view networked server；Wherein, the virtual view networked terminals is virtual MAC Address is source address, and the MAC Address for regarding networked server is purpose address；

Second conferencing data sending module, for based on view networking protocol, the 4th conferencing data packet to be sent to institute State view networked server；The view that the 4th conferencing data packet is sent to accessing conference is networked eventually depending on networked server for described End.

The embodiment of the invention also discloses a kind of conference management terminals, are applied in view networking, comprising:

Second membership request sending module, for being based on view networking protocol, by view networked server, Xiang Xiezhuan server Send the first membership solicited message；The first membership solicited message includes the virtual view networked terminals number of virtual view networked terminals Code；It is described it is virtual depending on networked terminals and it is described association turn server binding；Turn server for the association to obtain and the virtual view connection The external equipment of network termination number binding identifies, and internet protocol-based identifies corresponding external equipment to the external equipment Send the second membership solicited message；

Membership respond receiving module, for receive it is described association turn server be based on view networking protocol, by view the Internet services The second membership response message that device returns；The second membership response message includes the virtual view networked terminals number；It is described Second membership response message is that the association turns server in receiving that the external equipment internet protocol-based returns first It is returned when membership response message.

Optionally, the conference management terminal further include:

Peripheral hardware information sending module, for turning server to the association based on regarding networking protocol, passing through view networked server Send the external equipment mark；The association, which turns server binding, has at least one virtually to regard networked terminals；Turn clothes for the association Business device binds external equipment mark and the virtual view networked terminals；It is described it is virtual depending on networked terminals include described virtual Depending on networked terminals number and virtual mac address；The virtual view networked terminals are in the view networked server authentication registration；

Binding information receiving module receives the association for the conference management terminal and turns server based on view networking association View passes through view networked server, the virtual view networked terminals number of return.

Optionally, the conference management terminal further include:

Conference status receiving module, for receive it is described association turn server be based on view networking protocol, by view the Internet services The conference status information for the external equipment that device returns；The conference status information includes that the external equipment is corresponding virtual Depending on networked terminals number and conference status；The conference status is the meeting for the external equipment that the association turns server acquisition State；The conference status includes accessing conference state, accessing conference state, accessing conference status of fail, refusal access meeting View state；

Conference status processing module, the meeting for the corresponding virtual view networked terminals of external equipment described in recording and displaying State.

Further, the conference management terminal further include:

Conference status protective module, for obtaining the conference status of the external equipment of record after synchronous conferencing And it shows.

Optionally, the conference management terminal further include:

Meeting priority assignation module, it is corresponding virtual for the external equipment to be arranged according to the type of the external equipment Depending on the meeting permission of networked terminals.

In addition, the embodiment of the invention discloses a kind of meeting access systems, comprising: view networked server, such as aforesaid right It is required that any one of described in association turn server and conference management terminal as described in any one of the preceding claims.

The embodiment of the present invention includes following advantages:

The characteristic of application view networking of the embodiment of the present invention, turns clothes for external equipment as virtual view networked terminals and above-mentioned association Business device binding, and it is included in view networking meeting depending on networked terminals using said external equipment as virtual by conference management terminal, pass through Above-mentioned association turns server and transmits into and can request to above-mentioned external equipment, and confirms the access view networking meeting of said external equipment；Cause This embodiment of the present invention can pass through conference management terminal and external equipment is accessed view networking meeting, so that the ginseng of view networking meeting Meeting terminal diversification improves the flexibility and applicability of view networking meeting, so that coping with urgent burst depending on networking meeting Requested session.

Detailed description of the invention

Fig. 1 is a kind of networking schematic diagram of view networking of the invention；

Fig. 2 is a kind of hardware structural diagram of node server of the invention；

Fig. 3 is a kind of hardware structural diagram of access switch of the invention；

Fig. 4 is the hardware structural diagram that a kind of Ethernet association of the invention turns gateway；

Fig. 5 is a kind of structural schematic diagram of view networking meeting of the invention；

Fig. 6 is a kind of step flow chart of conference access method embodiment of the invention；

Fig. 7 is the step flow chart of another conference access method embodiment of the invention；

Fig. 8 is the structural block diagram that a kind of association of the invention turns server；

Fig. 9 is the structural block diagram that another association of the invention turns server；

Figure 10 is a kind of structural block diagram of conference management terminal of the invention；

Figure 11 is the structural block diagram of another conference management terminal of the invention.

Specific embodiment

In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real Applying mode, the present invention is described in further detail.

It is the important milestone of network Development depending on networking, is a real-time network, can be realized HD video real-time Transmission, Push numerous Internet applications to HD video, high definition is face-to-face.

Real-time high-definition video switching technology is used depending on networking, it can be such as high in a network platform by required service Clear video conference, Intellectualized monitoring analysis, emergency command, digital broadcast television, delay TV, the Web-based instruction, shows video monitoring Field live streaming, VOD program request, TV Mail, individual character records (PVR), Intranet (manages) channel by oneself, intelligent video Broadcast Control, information publication All be incorporated into a system platform etc. services such as tens of kinds of videos, voice, picture, text, communication, data, by TV or Computer realizes that high-definition quality video plays.

Embodiment in order to enable those skilled in the art to better understand the present invention is introduced to depending on networking below:

Depending on networking, applied portion of techniques is as described below:

Network technology (Network Technology)

Traditional ethernet (Ethernet) is improved depending on the network technology innovation networked, with potential huge on network Video flow.(Circuit is exchanged different from simple network packet packet switch (Packet Switching) or lattice network Switching), Streaming demand is met using Packet Switching depending on networking technology.Has grouping depending on networking technology Flexible, the simple and low price of exchange, is provided simultaneously with the quality and safety assurance of circuit switching, it is virtually electric to realize the whole network switch type The seamless connection of road and data format.

Switching technology (Switching Technology)

Two advantages of asynchronous and packet switch that Ethernet is used depending on networking eliminate Ethernet under the premise of complete compatible and lack It falls into, has the end-to-end seamless connection of the whole network, direct user terminal, directly carrying IP data packet.User data is in network-wide basis It is not required to any format conversion.It is the more advanced form of Ethernet depending on networking, is a real-time exchange platform, can be realized at present mutually The whole network large-scale high-definition realtime video transmission that networking cannot achieve pushes numerous network video applications to high Qinghua, unitizes.

Server technology (Server Technology)

It is different from traditional server, its Streaming Media depending on the server technology in networking and unified video platform Transmission be built upon it is connection-oriented on the basis of, data-handling capacity is unrelated with flow, communication time, single network layer energy Enough transmitted comprising signaling and data.For voice and video business, handled depending on networking and unified video platform Streaming Media Complexity many simpler than data processing, efficiency substantially increase hundred times or more than traditional server.

Reservoir technology (Storage Technology)

The ultrahigh speed reservoir technology of unified video platform in order to adapt to the media content of vast capacity and super-flow and Using state-of-the-art real time operating system, the programme information in server instruction is mapped to specific hard drive space, media Content is no longer pass through server, and moment is directly delivered to user terminal, and user waits typical time less than 0.2 second.It optimizes Sector distribution greatly reduces the mechanical movement of hard disc magnetic head tracking, and resource consumption only accounts for the 20% of the internet ad eundem IP, but The concurrent flow greater than 3 times of traditional disk array is generated, overall efficiency promotes 10 times or more.

Network security technology (Network Security Technology)

Depending on the structural design networked by servicing independent licence system, equipment and the modes such as user data is completely isolated every time The network security problem that puzzlement internet has thoroughly been eradicated from structure, does not need antivirus applet, firewall generally, has prevented black The attack of visitor and virus, structural carefree secure network is provided for user.

It services innovative technology (Service Innovation Technology)

Business and transmission are fused together by unified video platform, whether single user, private user or a net The sum total of network is all only primary automatic connection.User terminal, set-top box or PC are attached directly to unified video platform, obtain rich The multimedia video service of rich colorful various forms.Unified video platform is traditional to substitute with table schema using " menu type " Complicated applications programming, considerably less code, which can be used, can be realized complicated application, realize the new business innovation of " endless ".

Networking depending on networking is as described below:

It is a kind of central controlled network structure depending on networking, which can be Tree Network, Star network, ring network etc. class Type, but centralized control node is needed to control whole network in network on this basis.

As shown in Figure 1, being divided into access net and Metropolitan Area Network (MAN) two parts depending on networking.

The equipment of access mesh portions can be mainly divided into 3 classes: node server, access switch, terminal (including various machines Top box, encoding board, memory etc.).Node server is connected with access switch, and access switch can be with multiple terminal phases Even, and it can connect Ethernet.

Wherein, node server is the node that centralized control functions are played in access net, can control access switch and terminal. Node server can directly be connected with access switch, can also directly be connected with terminal.

Similar, the equipment of metropolitan area mesh portions can also be divided into 3 classes: metropolitan area server, node switch, node serve Device.Metropolitan area server is connected with node switch, and node switch can be connected with multiple node servers.

Wherein, node server is the node server for accessing mesh portions, i.e. node server had both belonged to access wet end Point, and belong to metropolitan area mesh portions.

Metropolitan area server is the node that centralized control functions are played in Metropolitan Area Network (MAN), can control node switch and node serve Device.Metropolitan area server can be directly connected to node switch, can also be directly connected to node server.

It can be seen that be entirely a kind of central controlled network structure of layering depending on networking network, and node server and metropolitan area The network controlled under server can be the various structures such as tree-shaped, star-like, cyclic annular.

Visually claim, access mesh portions can form unified video platform (part in virtual coil), and multiple unified videos are flat Platform can form view networking；Each unified video platform can be interconnected by metropolitan area and wide area depending on networking.

Classify depending on networked devices

1.1 embodiment of the present invention can be mainly divided into 3 classes: server depending on the equipment in networking, interchanger (including ether Net gateway), terminal (including various set-top boxes, encoding board, memory etc.).Depending on networking can be divided on the whole Metropolitan Area Network (MAN) (or National net, World Wide Web etc.) and access net.

1.2 equipment for wherein accessing mesh portions can be mainly divided into 3 classes: node server, access switch (including ether Net gateway), terminal (including various set-top boxes, encoding board, memory etc.).

The specific hardware structure of each access network equipment are as follows:

Node server:

As shown in Fig. 2, mainly including Network Interface Module 201, switching engine module 202, CPU module 203, disk array Module 204；

Wherein, Network Interface Module 201, the Bao Jun that CPU module 203, disk array module 204 are come in enter switching engine Module 202；Switching engine module 202 look into the operation of address table 205 to the packet come in, to obtain the navigation information of packet； And the packet is stored according to the navigation information of packet the queue of corresponding pack buffer 206；If the queue of pack buffer 206 is close It is full, then it abandons；All pack buffer queues of 202 poll of switching engine mould, are forwarded: 1) port if meeting the following conditions It is less than to send caching；2) the queue package counting facility is greater than zero.Disk array module 204 mainly realizes the control to hard disk, including The operation such as initialization, read-write to hard disk；CPU module 203 is mainly responsible between access switch, terminal (not shown) Protocol processes, to address table 205 (including descending protocol packet address table, uplink protocol package address table, data packet addressed table) Configuration, and, the configuration to disk array module 204.

Access switch:

As shown in figure 3, mainly including Network Interface Module (downstream network interface module 301, uplink network interface module 302), switching engine module 303 and CPU module 304；

Wherein, the packet (upstream data) that downstream network interface module 301 is come in enters packet detection module 305；Packet detection mould Whether mesh way address (DA), source address (SA), type of data packet and the packet length of the detection packet of block 305 meet the requirements, if met, It then distributes corresponding flow identifier (stream-id), and enters switching engine module 303, otherwise abandon；Uplink network interface mould The packet (downlink data) that block 302 is come in enters switching engine module 303；The data packet that CPU module 204 is come in enters switching engine Module 303；Switching engine module 303 look into the operation of address table 306 to the packet come in, to obtain the navigation information of packet； If the packet into switching engine module 303 is that downstream network interface is gone toward uplink network interface, in conjunction with flow identifier (stream-id) packet is stored in the queue of corresponding pack buffer 307；If the queue of the pack buffer 307 is close full, It abandons；If the packet into switching engine module 303 is not that downstream network interface is gone toward uplink network interface, according to packet Navigation information is stored in the data packet queue of corresponding pack buffer 307；If the queue of the pack buffer 307 is close full, Then abandon.

All pack buffer queues of 303 poll of switching engine module, are divided to two kinds of situations in embodiments of the present invention:

If the queue is that downstream network interface is gone toward uplink network interface, meets the following conditions and be forwarded: 1) It is less than that the port sends caching；2) the queue package counting facility is greater than zero；3) token that rate control module generates is obtained；

If the queue is not that downstream network interface is gone toward uplink network interface, meets the following conditions and is forwarded: 1) it is less than to send caching for the port；2) the queue package counting facility is greater than zero.

Rate control module 208 is configured by CPU module 204, to all downlink networks in programmable interval Interface generates token toward the pack buffer queue that uplink network interface is gone, to control the code rate of forwarded upstream.

CPU module 304 is mainly responsible for the protocol processes between node server, the configuration to address table 306, and, Configuration to rate control module 308.

Ethernet association turns gateway:

As shown in figure 4, mainly including Network Interface Module (downstream network interface module 401, uplink network interface module 402), switching engine module 403, CPU module 404, packet detection module 405, rate control module 408, address table 406, Bao Huan Storage 407 and MAC adding module 409, MAC removing module 410.

Wherein, the data packet that downstream network interface module 401 is come in enters packet detection module 405；Packet detection module 405 is examined Ethernet mac DA, ethernet mac SA, Ethernet length or frame type, the view networking mesh way address of measured data packet DA, whether meet the requirements depending on networking source address SA, depending on networking data Packet type and packet length, corresponding stream is distributed if meeting Identifier (stream-id)；Then, MAC DA, MAC SA, length or frame type are subtracted by MAC removing module 410 (2byte), and enter corresponding receive and cache, otherwise abandon；

Downstream network interface module 401 detects the transmission caching of the port, according to the view of packet networking mesh if there is Bao Ze Address D A knows the ethernet mac DA of corresponding terminal, adds the ethernet mac DA of terminal, Ethernet assists the MAC for turning gateway SA, Ethernet length or frame type, and send.

The function that Ethernet association turns other modules in gateway is similar with access switch.

Terminal:

It mainly include Network Interface Module, Service Processing Module and CPU module；For example, set-top box mainly connects including network Mouth mold block, video/audio encoding and decoding engine modules, CPU module；Encoding board mainly includes Network Interface Module, video encoding engine Module, CPU module；Memory mainly includes Network Interface Module, CPU module and disk array module.

The equipment of 1.3 metropolitan area mesh portions can be mainly divided into 2 classes: node server, node switch, metropolitan area server. Wherein, node switch mainly includes Network Interface Module, switching engine module and CPU module；Metropolitan area server mainly includes Network Interface Module, switching engine module and CPU module are constituted.

2, networking data package definition is regarded

2.1 access network data package definitions

Access net data packet mainly include following sections: destination address (DA), source address (SA), reserve bytes, payload(PDU)、CRC。

As shown in the table, the data packet for accessing net mainly includes following sections:

DA

SA

Reserved

Payload

CRC

Wherein:

Destination address (DA) is made of 8 bytes (byte), and first character section indicates type (such as the various associations of data packet Discuss packet, multicast packet, unicast packet etc.), be up to 256 kinds of possibility, the second byte to the 6th byte is metropolitan area net address, Seven, the 8th bytes are access net address；

Source address (SA) is also to be made of 8 bytes (byte), is defined identical as destination address (DA)；

Reserve bytes are made of 2 bytes；

The part payload has different length according to the type of different datagrams, is if it is various protocol packages 64 bytes are 32+1024=1056 bytes if it is single group unicast packets words, are not restricted to above 2 kinds certainly；

CRC is made of 4 bytes, and calculation method follows the Ethernet CRC algorithm of standard.

2.2 Metropolitan Area Network (MAN) packet definitions

The topology of Metropolitan Area Network (MAN) is pattern, may there is 2 kinds, connection even of more than two kinds, i.e. node switching between two equipment It can all can exceed that 2 kinds between machine and node server, node switch and node switch, node switch and node server Connection.But the metropolitan area net address of metropolitan area network equipment is uniquely, to close to accurately describe the connection between metropolitan area network equipment System, introduces parameter in embodiments of the present invention: label, uniquely to describe a metropolitan area network equipment.

(Multi-Protocol Label Switch, multiprotocol label are handed over by the definition of label and MPLS in this specification Change) label definition it is similar, it is assumed that between equipment A and equipment B there are two connection, then data packet from equipment A to equipment B just There are 2 labels, data packet also there are 2 labels from equipment B to equipment A.Label is divided into label, outgoing label, it is assumed that data packet enters The label (entering label) of equipment A is 0x0000, and the label (outgoing label) when this data packet leaves equipment A may reform into 0x0001.The networking process of Metropolitan Area Network (MAN) is to enter network process under centralized control, also means that address distribution, the label of Metropolitan Area Network (MAN) Distribution be all to be dominated by metropolitan area server, node switch, node server be all passively execute, this point with The label distribution of MPLS is different, and the distribution of the label of MPLS is the result that interchanger, server are negotiated mutually.

As shown in the table, the data packet of Metropolitan Area Network (MAN) mainly includes following sections:

DA

SA

Reserved

Label

Payload

CRC

That is destination address (DA), source address (SA), reserve bytes (Reserved), label, payload (PDU), CRC.Its In, the format of label, which can refer to, such as gives a definition: label is 32bit, wherein high 16bit retains, only with low 16bit, its position Set is between the reserve bytes and payload of data packet.

Based on the above-mentioned characteristic of view networking, one of the core concepts of the embodiments of the present invention is proposed, it then follows regard the association of networking View turns server binding depending on networked terminals and above-mentioned association using external equipment as virtual, and will be above-mentioned outer by conference management terminal Portion's equipment is included in view networking meeting depending on networked terminals as virtual, turns server by above-mentioned association and transmits into above-mentioned external equipment It can request, and confirm the access view networking meeting of said external equipment.

Referring to Fig. 5, a kind of structural schematic diagram of view networking meeting of the embodiment of the present invention is shown, wherein conference management Management terminal 501 is connected with depending on networked server 502, for monitoring view networking meeting；Depending on networked server 502 for dispatching Depending on the audio/video flow for meeting of networking, the conferencing data packet that accessing conference terminal is sent is received, and is sent to other accessing conferences Terminal；Wherein, the terminal of accessing conference includes at least view networked terminals 505 and external equipment 504；Association turns the difference of server 503 It is connect with depending on networked server 502 and external equipment 504, by regarding the conversion of networking protocol and Internet protocol, realizes view connection Data interaction between network server 502 and external equipment 504.

It is understood that above-mentioned conference management terminal 501, view networked server 502, view networked terminals 505, association turn clothes Business device 503 between data interaction be by being carried out depending on networking protocol, and association turn between server 503 and external equipment 504 Data interaction be to be carried out by Internet protocol.

Referring to Fig. 6, a kind of conference access method of the invention is shown, this method can be applied in view networking, specifically May include step 601-604:

Step 601: association turns server reception conference management terminal and is based on view networking protocol, by view networked server, sends out The the first membership solicited message sent；Above-mentioned first membership solicited message includes the virtual view networked terminals number of virtual view networked terminals Code；It is above-mentioned virtual to turn server binding depending on networked terminals and above-mentioned association.

Above-mentioned conference management terminal can be equipped with view networking Conference control software Pamir (Pamir), for monitoring view Networking meeting；All accessing conferences or the terminal for preparing accessing conference may be displayed on the screen of above-mentioned conference management terminal On, facilitate monitoring.When needing to access external equipment into view networking meeting, it is necessary first to which notice association turns server for said external Equipment and virtual view networked terminals binding are included in view networking meeting system, and will be joined with the virtual view of said external apparatus bound The virtual view networked terminals number of network termination returns；Therefore above-mentioned conference management terminal stores the corresponding void of said external equipment Quasi- view networked terminals number.

Because it is above-mentioned it is virtual turn server binding depending on networked terminals and above-mentioned association, needing to connect said external equipment Enter view networking meeting when, above-mentioned association turn server be based on view networking meeting, pass through view networked server by the first membership request letter Breath is sent to above-mentioned association and turns server；Server execution is turned by above-mentioned association and transmits into the operation that can be requested.

It may include double netcard that above-mentioned association, which turns server, and one end network interface card passes through view networking switches connection view the Internet services Device；Other end network interface card connects internet terminal, i.e. said external equipment by the network switch.

In a kind of embodiment of the embodiment of the present invention, before above-mentioned steps 601, the above method further includes step S11-S13:

Step S11, above-mentioned association turn the above-mentioned conference management terminal of server reception and are based on view networking protocol, by regarding clothes of networking Business device, the said external device identification of transmission；Above-mentioned association, which turns server binding, has at least one virtually to regard networked terminals.

Above-mentioned conference management terminal needs to know the outer of said external equipment before by said external equipment accessing conference Portion's device identification, for example, said external equipment (Internet Protocol, the agreement interconnected between the network) address IP or Other external equipment marks, such as phone number etc.；Then said external device identification is based on being packaged as depending on networking protocol outer Portion's device identification data packet turns server by being sent to association depending on networked server；Above-mentioned association turns server and receives said external Device identification data packet simultaneously parses, and obtains said external device identification.

In the concrete realization, said external equipment can be smart phone, tablet computer, wearable device, notebook electricity Brain, desktop computer, fixed-line telephone, VOIP (Voice over Internet Protocol, the networking telephone) voice call machine, VOIP video telephone set, vehicle-mounted meeting equipment etc.；Conferencing data can be received and dispatched by Internet protocol, can play and/or adopt The terminal for collecting audio data and/or video data, all within the protection scope of the embodiment of the present invention.

Step S12, above-mentioned association turn server and bind said external device identification and above-mentioned virtual view networked terminals；It is above-mentioned It include virtually above-mentioned virtual view networked terminals number and virtual mac address depending on networked terminals；Above-mentioned virtual view networked terminals exist Above-mentioned view networked server authentication registration.

Above-mentioned association turns server and at least binds with a virtual view networked terminals, and above-mentioned virtual view networked terminals exist Depending on authentication registration in networked server；The i.e. above-mentioned virtual view connection that above-mentioned virtual view networked terminals have been stored depending on networked server Network termination number and Virtual MAC (Media Access Control or Medium Access Control, physical address Or hardware address) address.

In view networking, the requiring depending on networked terminals of all networkings first carries out authentication registration, that is, sends view networked terminals Number and terminal MAC address give view networked server, according to the view networked terminals number of storage and close rule by view networked server The corresponding relationship of MAC Address obtains the corresponding MAC Address for closing rule of above-mentioned view networked terminals number；If above-mentioned terminal MAC address It is matched with above-mentioned conjunction rule MAC Address, then it is assumed that the above-mentioned networked terminals that regard could communicate to close rule with depending on networked server foundation Connection, and at itself and depending on carrying out sending and receiving for data between networked server；If above-mentioned terminal MAC address with it is above-mentioned It closes rule MAC Address to mismatch, then it is assumed that above-mentioned view networked terminals irregularity then forbids access view networking.

It can be used for being managed collectively virtual after authentication registration depending on networked terminals depending on networked server.For example, view It can be safeguarded in networked server and all virtual enter netlist depending on networked terminals；Enter and has recorded above-mentioned virtual view networking in netlist eventually Virtual view networked terminals number, virtual mac address for holding etc..Depending on networked server only to entering the virtual of registered certification in netlist Control scheduling is carried out depending on networked terminals or depending on networked terminals；It, can be from above-mentioned depending on networked server when initiating video conference business Enter to choose the virtual view networked terminals for needing to attend a meeting or view networked terminals in netlist, the meeting is just only to these terminal services.

Meanwhile above-mentioned conference management terminal is also using said external equipment as the void of above-mentioned virtual view networked terminals number Quasi- view networked terminals, could will be included in original view networked terminals monitoring system to the monitoring of said external equipment；Otherwise, then it needs Carry out a large amount of human and material resources to be transformed depending on networking system or need to consume vast resources carry out external equipment and view join The data interaction of net system.

In short, the embodiment of the present invention can be included in view networking system depending on networked terminals using said external equipment as virtual, The compatibility for improving view networking system, avoids unnecessary resource consumption.

Referring to shown in table 1, above-mentioned association turns server and virtual is tying up said external device identification depending on networked terminals with above-mentioned After fixed, said external device identification and corresponding virtual view networked terminals number, virtual mac address can be stored.

Table 1

Step S13, above-mentioned association turn server and are based on view networking protocol, by view networked server, return to above-mentioned virtual view Networked terminals number.

Above-mentioned association turns server and is based on view networking protocol, by view networked server, returns to above-mentioned virtual view networked terminals Number；Above-mentioned conference management terminal obtains above-mentioned virtual view networked terminals number, can be using said external equipment as above-mentioned void It is quasi- to be shown in depending on networked terminals on the interface of conference management software.

Said external equipment, as virtual view networked terminals, has above-mentioned virtual view networking in above-mentioned conference management terminal Termination number；Identity of the above-mentioned virtual view networked terminals number as said external equipment in view networking meeting.

Step 602: above-mentioned association turns server and obtains and the above-mentioned virtual external equipment mark for regarding networked terminals number binding.

In embodiments of the present invention, above-mentioned association turns server external equipment mark according to the pre-stored data and virtual view networking The corresponding relationship of terminal is searched and is identified with the external equipment of above-mentioned virtual view networked terminals number binding.

Referring to shown in above-mentioned table 1, such as the above-mentioned virtual networked terminals number that regards then obtains as virtual view networked terminals number 1 Take external equipment mark 1 corresponding with above-mentioned virtual view networked terminals number 1.

Step 603: above-mentioned association turns server internet protocol-based and identifies corresponding external equipment to above-mentioned external equipment Send the second membership solicited message.

In a kind of embodiment of the embodiment of the present invention, above-mentioned association turns server for the first membership of above-mentioned view networking protocol Solicited message is converted to the second membership solicited message of Internet protocol, and internet protocol-based requests above-mentioned second membership Information is sent to the corresponding external equipment of said external device identification.

In a kind of embodiment of the embodiment of the present invention, above-mentioned association turns server and is generated mutually according to said external device identification Second membership solicited message of networking protocol, and set based on the corresponding outside of said external device identification is sent to depending on networking protocol It is standby.

Step 604: if receiving the first membership response message of said external equipment internet protocol-based return, on It states association and turns server and be based on view networking protocol, the second membership response message is returned to above-mentioned conference management by view networked server Terminal；Above-mentioned second membership response message includes above-mentioned virtual view networked terminals number.

In a kind of embodiment of the embodiment of the present invention, above-mentioned second membership solicited message is in above-mentioned VOIP voice call machine It can be shown as a networking telephone；When the user of above-mentioned VOIP voice call machine selection is answered, then above-mentioned VOIP voice is electric Phone internet protocol-based turns server to above-mentioned association and returns to the first membership response message；Above-mentioned first membership response message can To include the external equipment mark of above-mentioned VOIP voice call machine, i.e., the number or IP address of above-mentioned VOIP voice call machine Deng.

It, can be with when above-mentioned association, which turns server, receives the first membership response message that above-mentioned VOIP voice call machine returns Parse above-mentioned first membership response message, obtain above-mentioned VOIP voice call machine external equipment mark, further obtain with it is upper State the virtual view networked terminals number of external equipment mark binding；Then the second membership response message is generated, and based on view networking Agreement, by being sent to above-mentioned conference management terminal depending on networked server；Above-mentioned second membership response message includes above-mentioned virtual Depending on networked terminals number.

Above-mentioned conference management terminal receives above-mentioned second membership response message, and parsing obtains above-mentioned virtual view networked terminals number Code, thereby determines that above-mentioned virtual view networked terminals accessing conference.

Optionally, in embodiments of the present invention, the above method can with the following steps are included:

Step S21, above-mentioned association turn the conference status that server obtains said external equipment；Above-mentioned conference status includes access Conference status, accessing conference state, accessing conference status of fail, refusal accessing conference state；

Step S22, above-mentioned association turn server and are based on view networking protocol, return to said external equipment by view networked server Conference status information to above-mentioned conference management terminal；Above-mentioned conference status information includes the corresponding virtual view of said external equipment Networked terminals number and above-mentioned conference status；It is corresponding virtual for above-mentioned conference management terminal recording and displaying said external equipment Depending on the conference status of networked terminals.

Above-mentioned association turns server can determine according to the data interaction situation that said external equipment turn server with above-mentioned association The conference status of said external equipment；The meeting shape that the similar fashions such as heartbeat mechanism determine said external equipment can also be passed through State；Other methods can also be used；The embodiment of the present invention to this with no restriction.

When the view networking meeting of above-mentioned conference management terminal monitoring, each view networked terminals can be into after receiving membership and instructing Enter meeting, does not have the operation of refusal；But there are the possibility of refusal when external equipment receives membership request, and outside these The network condition of equipment is different, and which results in access external equipment membership and the process logic for monitoring external equipment are relatively multiple It is miscellaneous.Above-mentioned conference management terminal can have the address list of an external equipment for each meeting, be presented as the shape of a table The form of formula or database can be used for recording, show each external equipment and corresponding conference status.

In short, monitoring of the conference management terminal to the conference status of said external equipment may be implemented in the embodiment of the present invention.

Step S31, above-mentioned association turn the first meeting that server receives the view networking protocol that above-mentioned view networked server is sent Data packet；Above-mentioned first conferencing data packet includes first path information；Above-mentioned first path information includes above-mentioned view the Internet services The virtual mac address of the MAC Address of device and above-mentioned virtual view networked terminals；Wherein, the above-mentioned MAC Address for regarding networked server as Source address, the above-mentioned virtual virtual mac address for regarding networked terminals is purpose address；

Step S32, above-mentioned association turn server and obtain the external equipment mark bound with above-mentioned virtual mac address；

Step S33, above-mentioned association turn the second meeting that server converts above-mentioned first conferencing data packet to Internet protocol Data packet；

Step S34, above-mentioned association turn server and above-mentioned second conferencing data packet are sent to outside above-mentioned by Internet protocol The corresponding external equipment of portion's device identification.

It is understood that the transmitting path of data packet is the MAC Address and receiving end by transmitting terminal in view networking What MAC Address determined；Above-mentioned first path message identification above-mentioned first conferencing data packet above-mentioned view networking in transmission road Diameter is transferred to above-mentioned virtual view networked terminals depending on networked server from above-mentioned；Because above-mentioned virtual view networked terminals with it is above-mentioned Association turns server binding, above-mentioned to be joined according to the MAC Address and above-mentioned virtual view of upper view networked server depending on networked server The MAC Address configurating downlink communication link of network termination, actually also according to according to the upper view MAC Address of networked server and upper State the MAC Address configurating downlink communication link that association turns server.

The embodiment of the present invention is realized according to view networking system, above-mentioned to attend a meeting what terminal was sent for other depending on networked server Conferencing data packet is sent to the process of said external equipment.

Step S41, above-mentioned association turn server and receive the third meeting number that said external equipment internet protocol-based is sent According to packet, above-mentioned third conferencing data packet includes the external equipment mark of said external equipment；

Step S42, above-mentioned association turn the Virtual MAC that server obtains the virtual view networked terminals bound with said external mark Address；

Step S43, above-mentioned association turn the 4th meeting that server converts above-mentioned third conferencing data packet to view networking protocol Data packet；Above-mentioned 4th conferencing data packet includes the second routing information；Above-mentioned second routing information includes above-mentioned virtual view networking The MAC Address of the virtual mac address of terminal and above-mentioned view networked server；Wherein, the Virtual MAC of above-mentioned virtual view networked terminals Address is source address, and the above-mentioned MAC Address for regarding networked server is purpose address；

Step S44, above-mentioned association turn server and are based on view networking protocol, and above-mentioned 4th conferencing data packet is sent to above-mentioned view Networked server；For the above-mentioned view networked terminals that above-mentioned 4th conferencing data packet is sent to accessing conference depending on networked server.

It is understood that above-mentioned second routing information identifies above-mentioned 4th conferencing data packet in the networking of above-mentioned view Transmission path virtual is transferred to above-mentioned view networked server depending on networked terminals from above-mentioned；It can be networked according to above-mentioned virtual view The MAC Address collocating uplink communication link of the MAC Address of terminal and above-mentioned view networked server, actually also according to above-mentioned association Turn the MAC Address of server and the MAC Address configurating downlink communication link of above-mentioned view networked server.

The embodiment of the present invention is realized according to view networking system, above-mentioned depending on networked server to send said external equipment Conferencing data packet is sent to the process of other terminals of attending a meeting.

In the application scenarios such as view networking meeting, said external equipment and other terminal outside sources each other of attending a meeting, i.e., Said external equipment acquires the first conferencing data and is sent to other terminals of attending a meeting, other terminal plays the first meeting numbers of attending a meeting According to；Meanwhile other terminals of attending a meeting acquire the second conferencing data and send it is supreme state external equipment, said external device plays this Two conferencing datas.

In addition, above-mentioned further includes other virtual view networked terminals of accessing conference depending on networked terminals, i.e. accessing conference its Its external equipment.

In this practical application, networking is regarded as the network with centralized control functions, including main control server and undernet Equipment, which includes terminal；The terminal includes view networked terminals and virtual view networked terminals.Depending on the core networked One of design is, notifies switching equipment to match table for time downstream communications link of service is worked as by view networked server, then Table based on the configuration carries out the transmission of data packet.

That is, including: depending on the communication means in networking

Depending on networked server configuration when time downstream communications link of service；

Work as time data packet of service for what source terminal was sent, it is (empty to be sent to target terminal according to above-mentioned downstream communications link Quasi- view networked terminals).

In embodiments of the present invention, it includes: notice when the downlink of secondary service is logical that time downstream communications link of service is worked as in configuration Believe that switching equipment involved in link matches table；

It furthermore, include: the configured table of inquiry according to downstream communications link transmission, switching equipment is received to institute Data packet is transmitted by corresponding port.

In the concrete realization, service includes unicast communication service and Multicast Communication Service.I.e. either cast communication is still Unicast communication can realize the communication in view networking using the above-mentioned core idea with table-table.

It as previously noted, include access mesh portions depending on networking, in access net, this regards networked server as node server, Undernet equipment includes access switch and terminal.

For the unicast communication service in access net, above-mentioned view networked server configuration is when time downlink communication of service The step of link, may comprise steps of:

Sub-step S51 is obtained depending on the service request protocol package that networked server is initiated according to source terminal when under time service Row communication link information, downstream communications link information include participating in when under time main control server and access switch of service Row communication port information；

Sub-step S52, the downstream communication ports information depending on networked server according to control server, data packet inside it The downlink port that setting is oriented to when time data packet of service in address table；And believe according to the downstream communication ports of access switch Breath, to corresponding access switch sending port configuration order；

Sub-step S53, access switch according in port configuration command data packet addressed table inside it, setting when time The downlink port that the data packet of service is oriented to.

For the Multicast Communication Service (such as video conference) in access net, obtain depending on networked server when time service The step of downstream communications link information may include following sub-step:

Sub-step S61 obtains the service request association for the application Multicast Communication Service that target terminal is initiated depending on networked server View is wrapped, and includes the access net address of service type information, service content information and target terminal in service request protocol package；Its In, it include service number in service content information；

Sub-step S62, depending on networked server according to above-mentioned service number in preset content-address mapping table, extract The access net address of source terminal；

Sub-step S63 obtains the corresponding multicast address of source terminal depending on networked server, and distributes to target terminal；And According to service type information, the access net address of source terminal and target terminal, the communication link information when time multicast services is obtained.

Referring to Fig. 7, a kind of conference access method of the invention is shown, this method can be applied in view networking, specifically May include step 701-702:

Step 701: conference management terminal is based on view networking protocol, by view networked server, and Xiang Xiezhuan server is sent First membership solicited message；Above-mentioned first membership solicited message includes the virtual view networked terminals number of virtual view networked terminals； It is above-mentioned virtual to turn server binding depending on networked terminals and above-mentioned association；Turn server for above-mentioned association to obtain with above-mentioned virtual view networking eventually The external equipment mark of number binding is held, and internet protocol-based identifies corresponding external equipment to above-mentioned external equipment and sends Second membership solicited message.

Step 702: the above-mentioned association of above-mentioned conference management terminal reception turns server and is based on view networking protocol, by regarding clothes of networking The second membership response message that business device returns；Above-mentioned second membership response message includes above-mentioned virtual view networked terminals number；On Stating the second membership response message is that above-mentioned association turns server and receiving the of the return of said external equipment internet protocol-based It is returned when one membership response message.

The particular content of the embodiment of the present invention may refer to the content of above-mentioned steps 601-604, and which is not described herein again.

Optionally, in embodiments of the present invention, view networking protocol is based on, by view networking clothes in above-mentioned conference management terminal Be engaged in device, Xiang Xiezhuan server send the first membership solicited message the step of before, the above method can with the following steps are included:

Step S71, above-mentioned conference management terminal are based on view networking protocol, by view networked server, turn clothes to above-mentioned association Business device sends said external device identification；Above-mentioned association, which turns server binding, has at least one virtually to regard networked terminals；For above-mentioned association Turn server to bind said external device identification and above-mentioned virtual view networked terminals；It is above-mentioned it is virtual depending on networked terminals include above-mentioned Virtual view networked terminals number and virtual mac address；It is above-mentioned it is virtual depending on networked terminals it is above-mentioned depending on networked server registration recognized Card；

Step S72, the above-mentioned association of above-mentioned conference management terminal reception turn server and are based on view networking protocol, by regarding clothes of networking Business device, the above-mentioned virtual view networked terminals number of return.

Similarly, the particular content of the embodiment of the present invention may refer to the content of above-mentioned steps S11-S13, no longer superfluous here It states.

Step S81, the above-mentioned association of above-mentioned conference management terminal reception turn server and are based on view networking protocol, by regarding clothes of networking The conference status information for the said external equipment that business device returns；Above-mentioned conference status information includes the corresponding void of said external equipment Quasi- view networked terminals number and conference status；Above-mentioned conference status is the meeting for the said external equipment that above-mentioned association turns server acquisition View state；Above-mentioned conference status includes accessing conference state, accessing conference state, accessing conference status of fail, refusal access Conference status；

Step S82, the corresponding virtual view networked terminals of above-mentioned conference management terminal recording and displaying said external equipment Conference status.

Similarly, the particular content of the embodiment of the present invention may refer to the content of above-mentioned steps S21-S22, no longer superfluous here It states.

Further, the above method can also include:

Above-mentioned conference management terminal obtains the conference status of the said external equipment of record and shows after synchronous conferencing Show.

In conference process, above-mentioned conference management terminal is possible to abnormal and exits, such as Conference control software Pamir abnormal It exits, but meeting is still carrying out, meeting at this time does not have controller, allows when then just needing to be again started up Pamir Pamir adapter tube meeting again, the process are exactly the process of synchronous conferencing.

During synchronous conferencing, conference management terminal needs for the conference status for terminal of respectively attending a meeting to be returned to abnormal exit State before, the especially conference status of said external equipment；Because said external equipment is different from view networked terminals, it is easy Because a variety of causes causes to exit meeting, such as Internet condition is deteriorated, said external equipment region signal is too poor Deng.Therefore, during synchronous conferencing, the meeting shape of the external equipment of the above-mentioned available above-mentioned record of conference management terminal State, and show on the interface of the Conference control software of conference management terminal the conference status of the external equipment, such as can be from Record the conference status that said external equipment is obtained in the database of above-mentioned conference status.The embodiment of the present invention improves above-mentioned meeting Discuss the robustness of management terminal.

Optionally, in embodiments of the present invention, the above method can also include:

Above-mentioned conference management terminal is arranged the corresponding virtual view of said external equipment according to the type of said external equipment and joins The meeting permission of network termination.

Illustratively, above-mentioned meeting permission can be spokesman 1, spokesman 2, non-speaking people 1, non-speaking people 2 etc.；It is above-mentioned Spokesman 1 can send audio stream and video flowing to other terminals of attending a meeting；Above-mentioned spokesman 2 may only be to other terminal hairs of attending a meeting Send audio stream；Above-mentioned non-speaking people 1 cannot then make a speech, and can only receive audio stream and video flowing；Above-mentioned non-speaking people 2 cannot send out Speech, can only receive audio stream.

Above-mentioned conference management terminal can further know the information such as the model of said external equipment, above-mentioned outer for determining The meeting extent of competence of portion's equipment, such as said external equipment are VOIP voice call machine, then the meeting power of said external equipment Limit range is spokesman 2, non-speaking people 2；Such as said external equipment is VOIP video telephone set, the then meeting of said external equipment View extent of competence is spokesman 1, spokesman 2, non-speaking people 1, non-speaking people 2.Further, above-mentioned conference management terminal can be with According to the meeting extent of competence of meeting actual needs and said external equipment, the corresponding virtual view networking of said external equipment is set The meeting permission of terminal；Such as said external equipment is VOIP video telephone set, then the meeting permission of said external equipment is hair Say people 1.The embodiment of the present invention improves the flexibility of view networking meeting, corresponding meeting can be arranged according to different external equipments Permission is discussed, avoids malfunctioning.

It should be noted that for simple description, therefore, it is stated as a series of action groups for embodiment of the method It closes, but those skilled in the art should understand that, embodiment of that present invention are not limited by the describe sequence of actions, because according to According to the embodiment of the present invention, certain steps can use other sequences or carry out simultaneously.Secondly, those skilled in the art also should Know, the embodiments described in the specification are all preferred embodiments, and the related movement not necessarily present invention is implemented Necessary to example.

Referring to Fig. 8, a kind of association for showing the embodiment of the present invention turns server, is applied in view networking, specifically can wrap It includes:

Membership request receiving module 801 is based on view networking protocol, by view the Internet services for receiving conference management terminal Device, the first membership solicited message of transmission；Above-mentioned first membership solicited message includes the virtual view networking of virtual view networked terminals Termination number；It is above-mentioned virtual to turn server binding depending on networked terminals and above-mentioned association；

First peripheral hardware data obtaining module 802 is set for obtaining with the above-mentioned virtual outside depending on networked terminals number binding Standby mark；

First membership request sending module 803, it is corresponding outer to above-mentioned external equipment mark for internet protocol-based Portion's equipment sends the second membership solicited message；

Membership response processing module 804, if first for receiving the return of said external equipment internet protocol-based Membership response message, then above-mentioned association turn server be based on view networking protocol, by view networked server return the second membership response Information is to above-mentioned conference management terminal；Above-mentioned second membership response message includes above-mentioned virtual view networked terminals number.

Optionally, referring to shown in Fig. 9, on the basis of above-mentioned Fig. 8, above-mentioned association, which turns server, to include:

Peripheral hardware information receiving module 805 is based on view networking protocol, by view networking for receiving above-mentioned conference management terminal Server, the said external device identification of transmission；Above-mentioned association, which turns server binding, has at least one virtually to regard networked terminals；

Peripheral hardware binds setup module 806, for binding said external device identification and above-mentioned virtual view networked terminals；On Stating virtually includes above-mentioned virtual view networked terminals number and virtual mac address depending on networked terminals；Above-mentioned virtual view networked terminals are In above-mentioned view networked server authentication registration；

Binding information return module 807, for returning above-mentioned virtual based on regarding networking protocol, passing through view networked server Depending on networked terminals number.

Optionally, above-mentioned association, which turns server, to include:

Conference status obtains module, for obtaining the conference status of said external equipment；Above-mentioned conference status includes access Conference status, accessing conference state, accessing conference status of fail, refusal accessing conference state；

Conference status return module, for returning to said external equipment based on view networking protocol, by view networked server Conference status information to above-mentioned conference management terminal；Above-mentioned conference status information includes the corresponding virtual view of said external equipment Networked terminals number and above-mentioned conference status；It is corresponding virtual for above-mentioned conference management terminal recording and displaying said external equipment Depending on the conference status of networked terminals.

Optionally, above-mentioned association, which turns server, to include:

First conferencing data receiving module, for receiving the first meeting of the view networking protocol that above-mentioned view networked server is sent Discuss data packet；Above-mentioned first conferencing data packet includes first path information；Above-mentioned first path information includes above-mentioned view networking clothes The virtual mac address of the MAC Address of business device and above-mentioned virtual view networked terminals；Wherein, the MAC Address of above-mentioned view networked server For source address, the above-mentioned virtual virtual mac address for regarding networked terminals is purpose address；

Second peripheral hardware data obtaining module, for obtaining the external equipment mark with the binding of above-mentioned virtual mac address；

First conferencing data conversion module, for converting above-mentioned first conferencing data packet to the second meeting of Internet protocol Discuss data packet；

First conferencing data sending module, it is above-mentioned for being sent to above-mentioned second conferencing data packet by Internet protocol External equipment identifies corresponding external equipment.

Optionally, above-mentioned association, which turns server, to include:

Second conferencing data receiving module, for receiving the third meeting of said external equipment internet protocol-based transmission Data packet；Above-mentioned third conferencing data packet includes the external equipment mark of said external equipment；

Third peripheral hardware data obtaining module, it is virtual with the virtual view networked terminals of said external mark binding for obtaining MAC Address；

Second conferencing data conversion module, for converting above-mentioned third conferencing data packet to the 4th meeting of view networking protocol Discuss data packet；Above-mentioned 4th conferencing data packet includes the second routing information；Above-mentioned second routing information includes above-mentioned virtual view connection The MAC Address of the virtual mac address of network termination and above-mentioned view networked server；Wherein, above-mentioned virtual view networked terminals is virtual MAC Address is source address, and the above-mentioned MAC Address for regarding networked server is purpose address；

Second conferencing data sending module, for based on view networking protocol, above-mentioned 4th conferencing data packet to be sent to State view networked server；The view that above-mentioned 4th conferencing data packet is sent to accessing conference is networked eventually depending on networked server for above-mentioned End.

Referring to Fig.1 0, a kind of conference management terminal of the embodiment of the present invention is shown, is applied in view networking, it specifically can be with Include:

Second membership request sending module 1001, for turning to take to association based on regarding networking protocol, passing through view networked server Business device sends the first membership solicited message；Above-mentioned first membership solicited message includes that the virtual view networking of virtual view networked terminals is whole Hold number；It is above-mentioned virtual to turn server binding depending on networked terminals and above-mentioned association；For above-mentioned association turn server obtain with it is above-mentioned virtual External equipment depending on networked terminals number binding identifies, and internet protocol-based identifies corresponding outside to above-mentioned external equipment Equipment sends the second membership solicited message；

Membership respond receiving module 1002, for receive above-mentioned association turn server be based on view networking protocol, by view networking The second membership response message that server returns；Above-mentioned second membership response message includes above-mentioned virtual view networked terminals number； Above-mentioned second membership response message be above-mentioned association turn server receiving said external equipment internet protocol-based return It is returned when the first membership response message.

Optionally, referring to Fig.1 shown in 1, on the basis of above-mentioned Figure 10, above-mentioned conference management terminal can also include:

Peripheral hardware information sending module 1003, for turning clothes to above-mentioned association based on regarding networking protocol, passing through view networked server Business device sends said external device identification；Above-mentioned association, which turns server binding, has at least one virtually to regard networked terminals；For above-mentioned association Turn server to bind said external device identification and above-mentioned virtual view networked terminals；It is above-mentioned it is virtual depending on networked terminals include above-mentioned Virtual view networked terminals number and virtual mac address；It is above-mentioned it is virtual depending on networked terminals it is above-mentioned depending on networked server registration recognized Card；

Binding information receiving module 1004 receives above-mentioned association for above-mentioned conference management terminal and turns server based on view networking Agreement passes through view networked server, the above-mentioned virtual view networked terminals number of return.

Optionally, above-mentioned conference management terminal can also include:

Conference status receiving module, for receive above-mentioned association turn server be based on view networking protocol, by view the Internet services The conference status information for the said external equipment that device returns；Above-mentioned conference status information includes that said external equipment is corresponding virtual Depending on networked terminals number and conference status；Above-mentioned conference status is the meeting for the said external equipment that above-mentioned association turns server acquisition State；Above-mentioned conference status includes accessing conference state, accessing conference state, accessing conference status of fail, refusal access meeting View state；

Conference status processing module, the meeting for the corresponding virtual view networked terminals of recording and displaying said external equipment State.

Further, above-mentioned conference management terminal can also include:

Conference status protective module, for obtaining the conference status of the said external equipment of record after synchronous conferencing And it shows.

Optionally, above-mentioned conference management terminal can also include:

Meeting priority assignation module, it is corresponding virtual for said external equipment to be arranged according to the type of said external equipment Depending on the meeting permission of networked terminals.

In addition, the embodiment of the invention discloses a kind of meeting access systems, comprising: view networked server, such as aforesaid right It is required that any one of above-mentioned association turn server and such as the above-mentioned conference management terminal of any one of the claims.

For device embodiment, since it is basically similar to the method embodiment, related so being described relatively simple Place illustrates referring to the part of embodiment of the method.

All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.

It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can provide as method, apparatus or calculate Machine program product.Therefore, the embodiment of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can be used one or more wherein include computer can With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code The form of the computer program product of implementation.

The embodiment of the present invention be referring to according to the method for the embodiment of the present invention, terminal device (system) and computer program The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions In each flow and/or block and flowchart and/or the block diagram in process and/or box combination.It can provide these Computer program instructions are set to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals Standby processor is to generate a machine, so that being held by the processor of computer or other programmable data processing terminal devices Capable instruction generates for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagram The device of specified function.

These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing terminal devices In computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates packet The manufacture of command device is included, which realizes in one side of one or more flows of the flowchart and/or block diagram The function of being specified in frame or multiple boxes.

These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so that Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus The instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchart And/or in one or more blocks of the block diagram specify function the step of.

Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.

Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap Those elements, but also other elements including being not explicitly listed are included, or further include for this process, method, article Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.

Above to a kind of conference access method provided by the present invention and system, association turns server and conference management terminal, It is described in detail, used herein a specific example illustrates the principle and implementation of the invention, the above reality The explanation for applying example is merely used to help understand method and its core concept of the invention；Meanwhile for the general technology of this field Personnel, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion this theory Bright book content should not be construed as limiting the invention.

Claims

1. a kind of conference access method, which is characterized in that the method is applied in view networking, comprising:

Association turns server reception conference management terminal and is based on view networking protocol, by view networked server, the first membership of transmission Solicited message；The first membership solicited message includes the virtual view networked terminals number of virtual view networked terminals；It is described virtual Turn server binding depending on networked terminals and the association；

The association turns server internet protocol-based and identifies the second membership of corresponding external equipment transmission to the external equipment Solicited message；

If receiving the first membership response message that the external equipment internet protocol-based returns, the association turns server The second membership response message is returned to the conference management terminal, so that institute based on view networking protocol, by view networked server It states conference management terminal and determines virtual view networked terminals accessing conference；The second membership response message includes the void Quasi- view networked terminals number.

2. the method according to claim 1, wherein turning server in association receives conference management terminal based on view connection FidonetFido, by view networked server, the step of the first membership solicited message of transmission before, further includes:

The association turns the server reception conference management terminal and is based on view networking protocol, passes through view networked server, transmission The external equipment mark；The association, which turns server binding, has at least one virtually to regard networked terminals；

The association turns server and binds external equipment mark and the virtual view networked terminals；The virtual view networking is eventually End includes the virtual view networked terminals number and virtual mac address；The virtual view networked terminals are networked in the view and are taken Business device authentication registration；

3. the method according to claim 1, wherein further include:

The association turns the conference status that server obtains the external equipment；The conference status includes accessing conference state, Accessing conference state, accessing conference status of fail, refusal accessing conference state；

The association turns server based on depending on networking protocol, the conference status letter by returning to the external equipment depending on networked server It ceases to the conference management terminal；The conference status information includes the corresponding virtual view networked terminals number of the external equipment With the conference status；For the corresponding virtual view networked terminals of external equipment described in the conference management terminal recording and displaying Conference status.

4. the method according to claim 1, wherein further include:

The association turns the first conferencing data packet that server receives the view networking protocol that the view networked server is sent；Described One meeting data packet includes first path information；The first path information include it is described view networked server MAC Address and The virtual mac address of the virtual view networked terminals；Wherein, the MAC Address for regarding networked server is source address, the void The quasi- virtual mac address for regarding networked terminals is purpose address；

The association turns server and the second conferencing data packet is sent to the external equipment mark pair by Internet protocol The external equipment answered.

5. the method according to claim 1, wherein further include:

The association turns server and receives the third conferencing data packet that the external equipment internet protocol-based is sent；The third Conferencing data packet includes the external equipment mark of the external equipment；

The association turns the 4th conferencing data packet that server converts the third conferencing data packet to view networking protocol；Described Four conferencing data packets include the second routing information；Second routing information includes the Virtual MAC of the virtual view networked terminals The MAC Address of address and the view networked server；Wherein, the virtual virtual mac address for regarding networked terminals is source address, The MAC Address for regarding networked server is purpose address；

The association turns server and is based on view networking protocol, and the 4th conferencing data packet is sent to the view networked server； For the view networked terminals that the 4th conferencing data packet is sent to accessing conference depending on networked server.

6. a kind of conference access method, which is characterized in that the method is applied in view networking, comprising:

Conference management terminal is based on view networking protocol, by view networked server, and Xiang Xiezhuan server sends the first membership request Information；The first membership solicited message includes the virtual view networked terminals number of virtual view networked terminals；The virtual view connection Network termination and the association turn server binding；Turn server for the association to obtain and the virtual view networked terminals number binding External equipment mark, and internet protocol-based identifies corresponding external equipment to the external equipment and sends the second membership request Information；

The conference management terminal receive the association turn server based on view networking protocol, returned by view networked server the Two membership response messages determine virtual view networked terminals accessing conference according to the second membership response message；It is described Second membership response message includes the virtual view networked terminals number；The second membership response message is that the association turns service What device was returned when receiving the first membership response message that the external equipment internet protocol-based returns.

7. according to the method described in claim 6, it is characterized in that, being based on view networking protocol, logical in the conference management terminal View networked server is crossed, before the step of Xiang Xiezhuan server sends the first membership solicited message, further includes:

The conference management terminal is turned described in server transmission based on regarding networking protocol, passing through view networked server to the association External equipment mark；The association, which turns server binding, has at least one virtually to regard networked terminals；Turn server for institute for the association External equipment mark is stated to bind with the virtual view networked terminals；It is described it is virtual depending on networked terminals include the virtual view networking eventually Hold number and virtual mac address；The virtual view networked terminals are in the view networked server authentication registration；

The conference management terminal reception association turns server and is based on view networking protocol, by regarding networked server, return The virtual view networked terminals number.

8. according to the method described in claim 6, it is characterized by further comprising:

The conference management terminal receives the association and turns server based on view networking protocol, the institute returned by view networked server State the conference status information of external equipment；The conference status information includes the corresponding virtual view networked terminals of the external equipment Number and conference status；The conference status is the conference status for the external equipment that the association turns server acquisition；It is described Conference status includes accessing conference state, accessing conference state, accessing conference status of fail, refusal accessing conference state；

9. according to the method described in claim 8, it is characterized by further comprising:

The conference management terminal obtains the conference status of the external equipment of record and display after synchronous conferencing.

10. according to the method described in claim 6, it is characterized by further comprising:

The conference management terminal is arranged the corresponding virtual view of the external equipment according to the type of the external equipment and networks eventually The meeting permission at end.

11. a kind of association turns server, which is characterized in that be applied in view networking, comprising:

Membership request receiving module is based on view networking protocol, by view networked server for receiving conference management terminal, sends The first membership solicited message；The first membership solicited message includes the virtual view networked terminals number of virtual view networked terminals Code；It is described it is virtual depending on networked terminals and it is described association turn server binding；

First peripheral hardware data obtaining module, for obtaining the external equipment mark with the virtual view networked terminals number binding；

First membership request sending module identifies corresponding external equipment hair to the external equipment for internet protocol-based Send the second membership solicited message；

Membership response processing module, if the first membership response returned for receiving the external equipment internet protocol-based Information, then the association turns server and is based on view networking protocol, returns to the second membership response message to institute by view networked server Conference management terminal is stated, so that the conference management terminal determines virtual view networked terminals accessing conference；Described second Membership response message includes the virtual view networked terminals number.

12. association according to claim 11 turns server, which is characterized in that further include:

Peripheral hardware information receiving module is based on view networking protocol, by regarding networked server for receiving the conference management terminal, The external equipment mark sent；The association, which turns server binding, has at least one virtually to regard networked terminals；

Peripheral hardware binds setup module, for binding external equipment mark and the virtual view networked terminals；It is described virtual It include the virtual view networked terminals number and virtual mac address depending on networked terminals；The virtual view networked terminals are described Depending on networked server authentication registration；

Binding information return module, for it is whole to return to the virtual view networking based on regarding networking protocol, passing through view networked server Hold number.

13. association according to claim 11 turns server, which is characterized in that further include:

Conference status obtains module, for obtaining the conference status of the external equipment；The conference status includes accessing conference State, accessing conference state, accessing conference status of fail, refusal accessing conference state；

Conference status return module, for based on depending on networking protocol, the meeting by returning to the external equipment depending on networked server Status information is discussed to the conference management terminal；The conference status information includes the corresponding virtual view networking of the external equipment Termination number and the conference status；For the corresponding virtual view connection of external equipment described in the conference management terminal recording and displaying The conference status of network termination.

14. association according to claim 11 turns server, which is characterized in that further include:

First conferencing data receiving module, for receiving the first meeting number of the view networking protocol that the view networked server is sent According to packet；The first conferencing data packet includes first path information；The first path information includes the view networked server MAC Address and it is described it is virtual view networked terminals virtual mac address；Wherein, the MAC Address for regarding networked server is source Address, the virtual virtual mac address for regarding networked terminals is purpose address；

First conferencing data conversion module, for converting the first conferencing data packet to the second meeting number of Internet protocol According to packet；

First conferencing data sending module, for the second conferencing data packet to be sent to the outside by Internet protocol The corresponding external equipment of device identification.

15. association according to claim 11 turns server, which is characterized in that further include:

Second conferencing data receiving module, the third conferencing data sent for receiving the external equipment internet protocol-based Packet；The third conferencing data packet includes the external equipment mark of the external equipment；

Third peripheral hardware data obtaining module, for obtaining the Virtual MAC with the virtual view networked terminals of outer logo binding Address；

Second conferencing data conversion module, for converting the third conferencing data packet to the 4th meeting number of view networking protocol According to packet；The 4th conferencing data packet includes the second routing information；Second routing information includes that the virtual view networking is whole The MAC Address of the virtual mac address at end and the view networked server；Wherein, the Virtual MAC of the virtual view networked terminals Location is source address, and the MAC Address for regarding networked server is purpose address；

Second conferencing data sending module, for based on view networking protocol, the 4th conferencing data packet to be sent to the view Networked server；For the view networked terminals that the 4th conferencing data packet is sent to accessing conference depending on networked server.

16. a kind of conference management terminal, which is characterized in that be applied in view networking, comprising:

Second membership request sending module, for based on regarding networking protocol, passing through view networked server, Xiang Xiezhuan server to be sent First membership solicited message；The first membership solicited message includes the virtual view networked terminals number of virtual view networked terminals； It is described it is virtual depending on networked terminals and it is described association turn server binding；Turn server for the association to obtain with the virtual view networking eventually The external equipment mark of number binding is held, and internet protocol-based identifies corresponding external equipment to the external equipment and sends Second membership solicited message；

Membership respond receiving module, for receive it is described association turn server be based on depending on networking protocol, by being returned depending on networked server The the second membership response message returned, determines described virtual depending on the networked terminals meeting of access according to the second membership response message View；The second membership response message includes the virtual view networked terminals number；The second membership response message is described Association turns what server was returned when receiving the first membership response message that the external equipment internet protocol-based returns.

17. conference management terminal according to claim 16, which is characterized in that further include:

Peripheral hardware information sending module, for turning server to the association and sending based on regarding networking protocol, passing through view networked server The external equipment mark；The association, which turns server binding, has at least one virtually to regard networked terminals；Turn server for the association External equipment mark and the virtual view networked terminals are bound；It is described it is virtual depending on networked terminals include the virtual view connection Network termination number and virtual mac address；The virtual view networked terminals are in the view networked server authentication registration；

Binding information receiving module, receives the association for the conference management terminal and turns server and be based on view networking protocol, logical Cross view networked server, the virtual view networked terminals number of return.

18. conference management terminal according to claim 16, which is characterized in that further include:

Conference status receiving module, for receive it is described association turn server be based on depending on networking protocol, by being returned depending on networked server The conference status information of the external equipment returned；The conference status information includes the corresponding virtual view connection of the external equipment Network termination number and conference status；The conference status is the meeting shape for the external equipment that the association turns server acquisition State；The conference status includes accessing conference state, accessing conference state, accessing conference status of fail, refusal accessing conference State；

Conference status processing module, the meeting shape for the corresponding virtual view networked terminals of external equipment described in recording and displaying State.

19. conference management terminal according to claim 18, which is characterized in that further include:

Conference status protective module, for obtaining the conference status of the external equipment of record and showing after synchronous conferencing Show.

20. conference management terminal according to claim 16, which is characterized in that further include:

Meeting priority assignation module joins for the corresponding virtual view of the external equipment to be arranged according to the type of the external equipment The meeting permission of network termination.

21. a kind of meeting access system characterized by comprising view networked server, any one of such as claim 11-15 The association turns server and the conference management terminal as described in any one of claim 16-20.