CN1889609A - Telephone conference realizing method - Google Patents

Telephone conference realizing method Download PDF

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Publication number
CN1889609A
CN1889609A CN 200510080262 CN200510080262A CN1889609A CN 1889609 A CN1889609 A CN 1889609A CN 200510080262 CN200510080262 CN 200510080262 CN 200510080262 A CN200510080262 A CN 200510080262A CN 1889609 A CN1889609 A CN 1889609A
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China
Prior art keywords
meeting
conference
client
request
host
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CN 200510080262
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Chinese (zh)
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CN1889609B (en
Inventor
苗彩霞
沈庆春
张文阁
袁磊
尚万军
陈晓东
刘见锋
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Abstract

A method for realizing telephone meeting includes issuing a meeting request carried with identifications of meeting sponsor and meeting member after client end is logged on soft interchange or application server, setting up meeting place by application server and calling sponsor number and member number to ask them to be at meeting place according identifications of them, informing state information of meeting place and meeting member in real time to client end and displaying received state information in real time by user boundary at client end.

Description

A kind of videoconference implementation method
Technical field
The present invention relates to the communications field, refer to a kind of videoconference implementation method especially.
Background technology
Conventional switch is generally also supported " Conference calling " business, but this needs promoter's (being the meeting presider) to use the comparatively loaded down with trivial details dial-up operation process of a cover to realize on phone usually.
With " meet-me conference " is example, and it realizes that substantially principle is: have the meeting promoter of Conference Calling authority to pass through dialing and register participant side one by one, treat to utilize dialing to start TeleConference Bridge again after registration finishes; Behind the ring of participant side, the off-hook, realize Multi-Party Conference.
Concrete implementation step is as follows:
Registration participant side: for example, the meeting promoter dials * 42*k*DN# on telephone terminal; Wherein, k is the group number of meeting, and value is 0~3; DN is convention goer's telephone number; After registering successfully, the promoter listens new business registration sound.
Start meeting: the meeting promoter dials * 43*k# on telephone terminal; The ring simultaneously of the each side of conference participation, promoter and participant listen the meeting phone to convene sound behind the off-hook.Have only behind the whole off-hooks of user of registration, conference telephone just can be held.
Cancel single participant: the meeting promoter dials #42*k*DN# on telephone terminal, listens new business cancellation sound.After having cancelled number and being the participant of DN, then not being cancelled the person when calling a meeting phone next time again will be no longer by invite participation.
Cancel all participants: the meeting promoter dials #421*k# on telephone terminal, listens new business cancellation sound.Cancel whole convention goers, make this group conference telephone of registration invalid.
By above description as can be known, this telephone conferencing mode of the prior art, process is loaded down with trivial details; When the meeting participant more for a long time, workload is bigger; And do not have good user interface, make the meeting promoter can control meeting, inquiry conferencing information easily.
Along with next generation network (NGN, Next Generation Network) technology is growing, be that the basis new business of carrying out is more and more abundanter with NGN, utilize the powerful control ability of the equipment such as (AS) of application server in soft switch and the intelligent network to realize that videoconference becomes possibility.
Summary of the invention
The invention provides a kind of easy and simple to handle, control and be applied to the videoconference implementation method of NGN network flexibly.
The inventive method comprises:
A1, client are initiated request for conference, and are carried meeting presider's identification information and conference member identification information after soft switch or application server registers;
B1, application server are set up the meeting-place, join in the meeting-place according to described meeting presider's identification information and conference member identification information call-conference host's number and conference member number; And with meeting-place and/or conference member state information real-time informing client;
C1, client demonstrate the state information of reception in real time by user interface.
According to said method of the present invention,, then the interaction message between client and the application server is transmitted by soft switch if client is registered to soft switch.
In the described steps A 1, client is initiated request for conference by the SIP INFO;
Among the described step B1, application server passes through the SIP INFO or 200 OK message are returned initiation meeting response to client, carries described state information.
At least comprise in the described initiation request for conference: command code, assignment sign, host's number and conference member number; At least comprise in the described initiation meeting response: command code, with the initiation request for conference in identical assignment sign, meeting-place and/or conference member state information.
Comprise also that before described step B1 application server carries out the step of authentication to meeting presider's number; If authentication is passed through, then execution in step B1; Otherwise, return failed message to client, process ends.
According to said method of the present invention, also comprise the following steps:
Client is initiated host's closing session request to application server, carries host's number information;
Application server to described host's number authentication after, closing session; And return host's closing session response to client, carry processing result information.
Described host's closing session request is by the carrying of SIP INFO; Described host's closing session response is by SIP INFO or 200 OK message bearings.
According to said method of the present invention, also comprise the following steps:
Client is initiated the request of inquiry conference status to application server;
Application server is searched for the meeting of assigned number as the host, and returns the response of inquiry conference status to client, carries state information, meeting attribute information and the conference member state information of meeting.
The request of described inquiry conference status is by the carrying of SIP INFO; Described inquiry conference status response is by SIP INFO or 200 OK message bearings.
At least comprise command code, assignment sign and host's number in the request of described inquiry conference status; The response of described inquiry conference status comprise at least command code, with inquire about the conference status request in identical assignment sign, state information, meeting attribute information and the conference member state information of meeting.
According to said method of the present invention, also comprise the following steps:
Client is initiated to invite participant's request or is kicked out of participant's request to application server;
Application server returns to client and invites participant's response or kick out of participant's response, carries processing result information.
Described invitation participant asks or kicks out of participant's request by the carrying of SIP INFO; Described invitation participant responds or kicks out of participant's response by SIP INFO or 200 OK message bearings.
Beneficial effect of the present invention is as follows:
(1) the present invention is based on NGN, realize teleconferencing service, allow the conference initiator on PC, to utilize the client of forms such as WEB, can send request for conference, inquiry conference status, invite operations such as participant, closing session by actions such as clicks, easy to operate.
(2) the present invention uses SIP INFO as main supporting body between client, soft switch and AS by fully using the framework of NGN, and mutual meeting control command and the response message of enriching makes things convenient for client that meeting is control effectively; And, can also be on this basis expand more meeting control command according to the needs of business because SIP INFO signaling autgmentability is strong.
Description of drawings
Fig. 1 is the related NGN schematic network structure of the inventive method;
Fig. 2 is client in the inventive method, soft switch and application server interaction message flow chart;
Fig. 3 is the inventive method flow chart.
Embodiment
Realize that with unified communication service (UC) user videoconference is an example, the embodiment of the inventive method is described based on the NGN network.
Referring to Fig. 1, be the related NGN schematic network structure of the inventive method, comprising: client, soft switch (SS), application server (AS).Wherein client can be for the embedded control on the special client software or the Web page, as the ActiveX control of Web browser; Soft switch is finished functions such as call proceeding, professional triggering and routing forwarding as the Delivery Function of sip message between client and the application server; AS is the control of intelligent net system and the core of handling IN service, receives the management and the control of service management point simultaneously.
In the inventive method, message interaction process figure comprises as shown in Figure 2 between client, soft switch and the application server: client is to soft switch registration (if AS provides the user registering functional, client also can directly be registered to AS); After succeeding in registration, control signaling and state information by the mutual videoconference of SIP INFO (or by soft switch forwarding) between client and the AS.
The specific implementation flow process of the inventive method comprises the following steps: as shown in Figure 3
Step S10, client are registered to soft switch or AS.
Step S11, user click by client end interface and initiate request for conference, and this request message adopts SIPINFO message to transmit or directly send to AS by soft switch.This initiation conference request comprises: initiate the conference member identification information of the command code of request for conference correspondence, the assignment sign that identifies this SIP INFO, host's's (being the conference initiator) identification information or telephone number and host's appointment or telephone number (after AS receives host's identification information and conference member identification information, can be according to the respective identification information and the user's telephone number corresponding relation of storage, match corresponding telephone number), also may comprise meeting attribute informations such as participant's number.The information content of initiating conference request is included in the SIP INFO body according to the XML form.
Below be a sip message example of initiating request for conference:
INFO?sip:96066@huawei.com?SIP/2.0
Via:SIP/2.0/UDP?kton.bell-tel.com
From:6660000@huawei.com;tag=xyzygg
To:96066@huawei.com
Call-ID:3298420296@huawei.com
CSeq:1?INFO
Subject:Client?Request
Content-Type:text/xml
Content-Length:(…)
<content>
<command-code>2001</command-code>
<assignment-id>1</assignment-id>
<chairman>6660000/chairman>
<password>234535</password>
<subject〉Session Topic</subject 〉
<attendees>
<attendee?number=”6620001”/>
<attendee?number=”6620002”/>
<attendee?number=”6620003”/>
</attendees>
<conf-size>10</conf-size>
</content>
Wherein:
Command-code: command code defines 2001 representatives here and initiates request for conference;
Assignment-id: the assignment sign, the SIP INFO of initiating request for conference identifies, and identical assignment sign is also used in its corresponding response, in order to be mapped;
Chairman: host's UC number;
Password: the password of host UC number correspondence;
Subject; Session Topic by host's input;
Attendee number: invite participant's number when the host creates meeting, comprise zero, one or more participant;
Conf-size: meeting-place size, i.e. participant's number.
Step S12, AS carry out authentication according to the host's who receives or match UC number to this host, if authentication is not passed through, then change step S17 over to, and AS finishes this videoconference; If host's authentication is passed through, continue the following step.
Step S13, AS set up the meeting-place according to the request of initiating meeting, and the control soft switch is with meeting host and conference member incoming call meeting-place, and transmission request for conference response message.Client is transmitted or directly sent to this request for conference response message by SIPINFO message through soft switch.This request for conference response message comprise corresponding command code, with request for conference in identical assignment sign, meeting-place and/or conference member state information.The information content in this response message is included in the SIP INFO body according to the XML form.
Below be the sip message example of a meeting-place creation state:
INFO?sip:6660000@huawei.com?SIP/2.0
Via:SIP/2.0/UDP?kton.bell-tel.com
From:96066@huawei.com;tag=xyzygg
To:6660000@huawei.com
Call-ID:3298420296@huawei.com
CSeq:1?INFO
Subject:Client?Request
Content-Type:text/xml
Content-Length:(…)
<content>
<command-code>2002</command-code>
<assignment-id>1</assignment-id>
<result>1</result>
<conf-id>11111<conf-id>
</content>
Wherein:
Command-code: command code defines the meeting-place creation state in the 2002 representative report request for conference responses here;
Assignment-id, the assignment sign, the SIP INFO sign of this request for conference and the assignment sign in the call request are consistent, in order to be mapped;
Result calls out end value, as set up the meeting-place, the meeting-place is created and is successfully also being called out other participants, system exception or the like;
Conf-id, meeting-place ID if create successfully in the meeting-place, returns the sign in meeting-place, in order to the meeting-place is carried out operation subsequently.
Below be the sip message example of a report participant state:
<content>
<command-code>1004</command-code>
<assignment-id>1</assignment-id>
<attendees>
<attendee?number=”6620001”status=”0”/>
<attendee?number=”6620002”status=”0”/>
<attendee?number=”6620003”status=”0”/>
</attendees>
</content>
Wherein,
Command-code, command code defines the participant's state in the 1004 representative report request for conference responses here;
Assignment-id, the assignment sign, the SIP INFO sign of this request for conference and the assignment sign in the call request are consistent, in order to be mapped;
Attendee status, participant's state value is as adding the meeting success, calledly entering meeting-place, Called Busy, called no response etc.
Client is resolved after receiving response message, shows current Conference Calling state on client end interface.
After step S14, videoconference were set up, the host can control videoconference as required, and control mode has:
Mode one: the host inquires about conference status.
The host initiates the request of inquiry conference status by client, and this request message adopts the SIP INFO to transmit or directly send to AS through soft switch.This request message comprises corresponding command code, the SIP INFO assignment sign of this request for conference, host's identification information or information such as UC number and password.This inquiry conference status request message content is included in the SIP INFO body according to the XML form.
Mode two: the host invites one or several user to add meeting.
The host passes through client and sends and invite other people to add the request of meeting, and this request message adopts SIPINFO message to transmit or directly send to AS through soft switch.This request message comprises invites the user to add SIP INFO assignment sign, meeting-place sign, host's the identification information of command code, this request for conference of meeting correspondence or UC number and password, invitee's identification information or information such as UC number or list of numbers.This request message content is included in the SIP INFO body according to the XML form.
Mode three: the host kicks out of the participant.
The host sends the request of kicking out of the participant by client, and AS is transmitted or directly sent to this request message by the SIP INFO through soft switch.This request message comprises the SIP INFO assignment sign kicking out of the participant and ask corresponding command code, this request for conference, meeting identification, host's identification information or UC number and password, by information such as the person's of kicking out of identification information or UC numbers.This request message content is included in the SIP INFO body according to the XML form.
Step S15, AS at first carry out authentication to the host after receiving the above-mentioned various requests of client initiation, if authentication is passed through then not response request; If authentication is passed through, the then request of customer in response end is returned corresponding response message to client.
To the inquiry request for conference, return inquiry conference status response message, comprise: AS search designated identification information or UC number are as host's meeting, return response message by SIP INFO or SIP 200 OK, transmit or directly send to client through soft switch, this response message comprises: the corresponding command code of inquiry conference status response, assignment sign, conference site state information (as creating success, create success, meeting is finishing and creating etc.), conferencing information (meeting identification etc.), participant's information (participant's number and state etc.).This response message content is included in the SIP INFO body according to the XML form.Client is resolved after receiving response message, shows Query Result on client end interface.
To inviting participant's request, return and invite participant's response message, comprise: AS by soft switch with invitee's incoming call meeting-place, return response message by SIP INFO or SIP 200 OK, transmit or directly send to client through soft switch, this response message comprise and invite the participant to respond corresponding command code, assignment sign, invite the result (as system exception, called number do not exist, Called Busy, called no response, called can't connect etc.) invitee's information (number and state etc.).This response message content is included in the SIP INFO body according to the XML form.Because the host can invite many people to add the meeting-place in a request simultaneously, and the asynchronism(-nization) of replying of each invitee's off-hook, each invitee returns a response during return results, and AS just returns to client after obtaining invitee's state.Client is resolved after receiving response message, invites the result on client end interface.
To kicking out of participant's request, return and kick out of participant's response message, comprise: AS disconnects the participant who specifies the UC number, return response message by SIP INFO or SIP 200 OK, transmit or directly send to client through soft switch, this response message comprises to be kicked out of the participant and responds corresponding command code, assignment sign, kicks out of the result (as kick out of that success, system exception, meeting identification do not exist etc.).This response message content is included in the SIP INFO body according to the XML form.Client is resolved after receiving response message, shows on client end interface and kicks out of the result.
Step S16, host can initiate host's closing session request by client, and AS is transmitted or directly sent to this request message by the SIP INFO through soft switch.The SIP INFO assignment sign of the corresponding command code of request that this request message comprises that meeting adjourned, this request for conference, meeting identification, host's identification information or information such as UC number and password.The content of initiating host's closing session request message is included in the SIP INFO body according to the XML form.If client is initiated host's closing session request, then by AS to host's identification authentication after, execution in step S17; Otherwise, go to step S14, continue this meeting of initiating is controlled by the host.
Step S17, AS disconnect all participants, discharge the meeting-place resource, the response message that sends that meeting adjourned.Client is transmitted or directly sent to this response message by the SIP INFO through soft switch.The corresponding command code of response that this response message comprises that meeting adjourned, with initiate request for conference in identical assignment sign, meeting adjourned object information (as closing session is successful, meeting identification does not exist etc.).This response message content is included in the SIP INFO body according to the XML form.Client is resolved after receiving response message, display conference ending message on client end interface.
Describe as can be known by above-mentioned flow process, the present invention is based on the NGN network architecture, by client, soft switch and application server realizing teleconferencing service, can allow the conference initiator on PC, to utilize forms such as WEB, can send request for conference, inquiry conference status, invite operations such as participant, closing session by actions such as clicks, easy to operate.
Requests/response messages between client, soft switch and AS uses the SIP INFO as main supporting body, utilizes the strong characteristics of SIP signaling autgmentability, can expand more meeting control command according to the needs of business.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.

Claims (12)

1, a kind of videoconference implementation method is applied to next generation network, it is characterized in that comprising:
A1, client are initiated request for conference, and are carried meeting presider's identification information and conference member identification information after soft switch or application server registers;
B1, application server are set up the meeting-place, join in the meeting-place according to described meeting presider's identification information and conference member identification information call-conference host's number and conference member number; And with meeting-place and/or conference member state information real-time informing client;
C1, client demonstrate the state information of reception in real time by user interface.
2, the method for claim 1 is characterized in that, if client is registered to soft switch, then by soft switch the interaction message between client and the application server is transmitted.
3, method as claimed in claim 1 or 2 is characterized in that, in the described steps A 1, client is initiated request for conference by the SIP INFO;
Among the described step B1, application server passes through the SIP INFO or 200 OK message are returned initiation meeting response to client, carries described state information.
4, method as claimed in claim 3 is characterized in that, comprises at least in the described initiation request for conference: command code, assignment sign, host's number and conference member number; At least comprise in the described initiation meeting response: command code, with the initiation request for conference in identical assignment sign, meeting-place and/or conference member state information.
5, the method for claim 1 is characterized in that, comprises also that before described step B1 application server carries out the step of authentication to meeting presider's number; If authentication is passed through, then execution in step B1; Otherwise, return failed message to client, process ends.
6, as the described method of claim 1-5, it is characterized in that, also comprise the following steps:
Client is initiated host's closing session request to application server, carries host's number information;
Application server to described host's number authentication after, closing session; And return host's closing session response to client, carry processing result information.
7, method as claimed in claim 6 is characterized in that, described host's closing session request is by the carrying of SIP INFO; Described host's closing session response is by SIP INFO or 200 OK message bearings.
8, as the described method of claim 1-5, it is characterized in that, also comprise the following steps:
Client is initiated the request of inquiry conference status to application server;
Application server is searched for the meeting of assigned number as the host, and returns the response of inquiry conference status to client, carries state information, meeting attribute information and the conference member state information of meeting.
9, method as claimed in claim 8 is characterized in that, the request of described inquiry conference status is by the carrying of SIP INFO; Described inquiry conference status response is by SIP INFO or 200 OK message bearings.
10, method as claimed in claim 9 is characterized in that, comprises command code, assignment sign and host's number in the request of described inquiry conference status at least; The response of described inquiry conference status comprise at least command code, with inquire about the conference status request in identical assignment sign, state information, meeting attribute information and the conference member state information of meeting.
11, as the described method of claim 1-5, it is characterized in that, also comprise the following steps:
Client is initiated to invite participant's request or is kicked out of participant's request to application server;
Application server returns to client and invites participant's response or kick out of participant's response, carries processing result information.
12, method as claimed in claim 11 is characterized in that, described invitation participant asks or kick out of participant's request by the carrying of SIP INFO; Described invitation participant responds or kicks out of participant's response by SIP INFO or 200 OK message bearings.
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