CN101815138A - Method and device for leaving meeting message - Google Patents
Method and device for leaving meeting message Download PDFInfo
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- CN101815138A CN101815138A CN201010148531A CN201010148531A CN101815138A CN 101815138 A CN101815138 A CN 101815138A CN 201010148531 A CN201010148531 A CN 201010148531A CN 201010148531 A CN201010148531 A CN 201010148531A CN 101815138 A CN101815138 A CN 101815138A
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Abstract
The invention discloses a method and a device for leaving a meeting message. When a person invited to a meeting can not participate in the meeting at present, a meeting message can be left for the invited person in a way of leaving meeting messages, and the invited person can select whether to accept the meeting message. Therefore, the user can not miss relevant meeting contents, and resources can be saved. Moreover, each user can possess a corresponding system for leaving meeting messages, and can read, delete, store the meeting messages and carry out other types of management, thereby improving both safety and feasibility.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of leaving meeting message method and apparatus.
Background technology
Along with electronic communication constantly develops, teleconference has become the important communication way of people's routine work.Initial teleconference utilizes program controlled telephone switching network transferring voice and video, just the black phone meeting of often saying.Along with the development of VoIP (Voice over Internet Protocol, the voice transfer of interconnection protocol Network Based) technology, numerous manufacturers release IP (Internet Protocol, network interconnection agreement) voice/video conference system.At present, teleconference has been finished from the transition of traditional meeting to conferencing over ip.The voip session system can use Session Initiation Protocol to carry out seamless link.
SIP (Session Initiation Protocol, session initiation protocol) is an application layer control protocol that is used to set up, change and stop Multimedia session, and session wherein can be IP phone, Multimedia session or multimedia conferencing.
SIP is the core protocol of IETF (The Internet Engineering Task Force, the Internet engineering duty group) multi-medium data and hierarchy of control structure.Its main purpose is in order to solve the signaling control in the IP network, and with the communication of soft-switch platform, thereby constitute follow-on value-added service platform, to telecommunications, bank, industries such as finance provide better value-added service.SIP is used for initiation session, it can control the foundation and the termination of the Multimedia session of a plurality of participants' participation, and can dynamically adjust and revise session attribute, as session bandwidth require, the code/decode format of the medium type (voice, video and data etc.) of transmission, medium, to the support of multicast and clean culture etc.Session Initiation Protocol is based on text code, use for reference ripe HTTP (HyperText Transfer Protocol, HTML (Hypertext Markup Language)) in a large number, and had easy expansion, easy characteristics such as realizations, so be fit to very much to be used for to realize multimedia communications system based on the internet.
VoIP system recording scheme: VoIP system recording at present mainly realizes by catching data message, so just require the image feature of basic network framework support to the data message, by local port mirror image, SPAN (Local Switched Port Analyzer, local switching port analysis), RSPAN (RemoteSwitched Port Analyzer, remote switch port analysis) finishes.
The common networking of voip session is at present used as shown in Figure 1.
The user customizes the meeting and the corresponding meeting Number for access of required type according to oneself demand on Conference server, hang the user under participant IP phone or the voice gateways and then enter meeting by dialing the meeting access code.The call control server that all passes through alternately of call signaling is handled between the terminal of access meeting and the Conference server, and Conference server is mainly realized meeting control and the participant's of each side audio mixing work.
Generally speaking, two kinds of modes that add meeting are arranged in the prior art:
A kind of IP of being phone or voice gateways are initiatively dialed the meeting Number for access and are added meeting;
Another kind is that the meeting presider initiatively invites the user who hangs under IP phone or the voice gateways to add meeting by the mode of meeting outgoing call.
Under the second way, if invited the people, invited the people can't in time add meeting not in, busy, shutdown or busy situation such as can't answer the time, promptly miss relevant conference content.
In realizing process of the present invention, the inventor finds that there is following problem at least in prior art:
In the prior art, invited the people not in, busy, shutdown or busy situation such as can't answer the time when meeting occurring, invited the people can't in time add meeting, promptly missed relevant conference content, and by invited party whether the meeting of missing is arranged without any the mechanism notice.
If do not want to allow the user miss meeting,, so just need the user in networking, to be equipped with a recording server though can use recording server that whole meeting is recorded.Because recording server is to realize recording by catching the data message mode, so can't need select recording according to the user, causes all meetings all to start recording, is to waste very much resource.Also by invited party whether the meeting of missing is arranged simultaneously without any the mechanism notice.In addition on the recording server at each meeting, if need be read the conference content of oneself being concerned about by invited party the time, also need user oneself to arrive the enterprising row filter of recording server, ease for use is bad.In case the user can land recording server and check all recording substances, fail safe also has problems so.
Summary of the invention
The invention provides a kind of leaving meeting message method and apparatus, under the way flow environment, realize bidirectional flow is detected, thereby improve the effect that the way flow environment is taken precautions against ddos attack.
For achieving the above object, one aspect of the present invention provides a kind of leaving meeting message method, be applied to comprise call control server, Conference server, at least one conference terminal and with the system of the corresponding message service device of described conference terminal in, when described Conference server by described call control server when described conference terminal is initiated meeting, described call control server sends request for conference to each conference terminal, and described method specifically may further comprise the steps:
Judging one or more conference terminals when described call control server can not participate in a conference, and when meeting default message trigger condition, described call control server sends request for conference to the corresponding message service device of the conference terminal that can not participate in a conference, and the communicating to connect of foundation and described message service device;
Described call control server generates the message record of the described conference terminal that can not participate in a conference by the described data message that sends described meeting to described message service device that communicates to connect.
Preferably,
Described default message trigger condition specifically comprises:
Described conference terminal connection failure; Or,
Described conference terminal is busy; Or,
Described conference terminal shutdown; Or,
Described conference terminal does not respond.
Preferably,
Described default message trigger condition, specifically set in the following manner:
Described Conference server sends the request for conference of the information that comprises described default message trigger condition to described call control server, sets the message trigger condition of each conference terminal in the described meeting; Or,
Described conference terminal sends the Indication message of the information that comprises described default message trigger condition to described call control server, sets the message trigger condition of self.
Preferably,
Describedly judge that one or more conference terminals can not participate in a conference when described call control server, and when meeting default message trigger condition, described call control server sends request for conference to the corresponding message service device of the conference terminal that can not participate in a conference, and the communicating to connect of foundation and described message service device, be specially:
Described call control server receives the response message of the request for conference that each conference terminal returns, the state information of wherein carrying described conference terminal;
Described call control server is complementary described state information and described message trigger condition;
If the match is successful, described call control server sends request for conference to the corresponding message service device of the described conference terminal that the match is successful, and the communicating to connect of foundation and described message service device.
Preferably,
Described call control server is by the described data message that sends described meeting to described message service device that communicates to connect, and generates in the process of message record of the described conference terminal that can not participate in a conference, and also comprises:
Described call control server sends the state information that described message writes down to the described conference terminal that can not participate in a conference, and the state information that the described conference terminal that can not participate in a conference is write down described message writes down and/or shows.
Preferably,
Described method also comprises:
When described meeting is participated in the described conference terminal request that can not participate in a conference, or described when meeting adjourned, and described call control server sends to described message service device and finishes indication, finishes the message of described conference terminal.
On the other hand, the present invention also provides a kind of call control server, be applied to comprise call control server, Conference server, at least one conference terminal and with the system of the corresponding message service device of described conference terminal in, comprising:
Module is set, is used to be provided with the message trigger condition;
Judge module is used to judge whether each conference terminal can participate in a conference, and when judging that one or more conference terminals can not participate in a conference, judges whether to meet the described set message trigger condition of module that is provided with;
Communication module, be used for passing through self when described conference terminal is initiated meeting when described Conference server, send request for conference to each conference terminal, and judge that at described judge module one or more conference terminals can not participate in a conference, and meet described when the set message trigger condition of module is set, send request for conference to the corresponding message service device of the described conference terminal that can not participate in a conference, foundation communicates to connect with described message service device, by the described data message that sends described meeting to described conference terminal and/or message service device that communicates to connect, generate the message record of the described conference terminal that can not participate in a conference.
Preferably, the described set message trigger condition of module that is provided with specifically comprises described conference terminal connection failure, or described conference terminal is busy, or the shutdown of described conference terminal, or described conference terminal does not respond specifically setting in the following manner:
Described communication module receives the request for conference that comprises described message trigger condition information that described Conference server sends, the described message trigger condition that module is set according to each conference terminal in the described meeting of described message trigger condition information setting; Or,
Described communication module receives the Indication message that described conference terminal comprises described message trigger condition information, the described message trigger condition that module is set according to the described conference terminal of described message trigger condition information setting.
Preferably, described judge module, also be used for when described communication module receives the response message of request for conference of the state information of carrying described conference terminal that each conference terminal returns, described state information and described message trigger condition are complementary, and when the match is successful, notify described communication module to send request for conference to the corresponding message service device of the described conference terminal that the match is successful, and the communicating to connect of foundation and described message service device.
Preferably, described communication module is by the described data message that sends described meeting to described message service device that communicates to connect, and generates in the process of message record of the described conference terminal that can not participate in a conference, and also comprises:
Described communication module sends the state information that described message writes down to the described conference terminal that can not participate in a conference, and the state information that the described conference terminal that can not participate in a conference is write down described message writes down and/or shows.
Preferably, described call control server also comprises:
When described communication module receives the request message that described meeting is participated in the described conference terminal request that can not participate in a conference, or during the described notification message that meeting adjourned that receives that described Conference server sends, described communication module sends to described message service device and finishes indication, finishes the message of described conference terminal.
Compared with prior art, the present invention has the following advantages:
By using technical scheme of the present invention, when meeting is invited the people to be in current situation that can not conference participation, can carry out leaving meeting message for inviting the people by the leaving meeting message mode, invited the people also can select whether to accept leaving meeting message, the user will can not miss relevant conference content like this, and saving resource, and each user has own corresponding leaving meeting message system, various bookkeepings such as the user carries out the leaving meeting message of oneself and reads, deletes, preservation, fail safe, ease for use all are improved.
Description of drawings
Fig. 1 is the schematic network structure of a kind of voip session in the prior art;
Fig. 2 is the schematic flow sheet of a kind of leaving meeting message method proposed by the invention;
Fig. 3 is the schematic flow sheet of the leaving meeting message method in a kind of concrete application scenarios proposed by the invention;
Fig. 4 is the schematic flow sheet of the Signalling exchange in a kind of concrete application scenarios proposed by the invention;
Fig. 5 is the schematic flow sheet of the leaving meeting message method in a kind of concrete application scenarios proposed by the invention;
Fig. 6 is the structural representation of a kind of call control server proposed by the invention.
Embodiment
As stated in the Background Art, in order to solve prior art problems, need reach following effect:
When the mode of dialling outside the host passes through invites the user to add meeting, if invited the people not in, busy, shutdown or busy situation such as can't answer the time, the meeting presider can make by meeting control startup leaving meeting message mode and be invited the people to carry out leaving meeting message, invited the people also can select whether to accept leaving meeting message, the user will can not miss relevant conference content like this, and save resource.
Each user has the leaving meeting message system of oneself, various bookkeepings such as the user carries out the leaving meeting message of oneself and reads, deletes, preservation.Fail safe, ease for use all are improved.
Leaving meeting message message indicating mechanism: in case leaving meeting message is arranged, can be shown the number that do not participate in a conference on the phone of invited party so, simultaneously with signal lamp.The user can know and knows that what meetings had read message in addition, and what meetings are not read etc.
The leaving meeting message process status presents mechanism: in the message process, the user can see the state that whether starts message in real time, and can join by hand at any time, and simultaneity factor finishes message automatically.
The present invention just is being based on this purpose and is proposing a kind of leaving meeting message method, this method is applied to comprise call control server, Conference server, at least one conference terminal and with the system of the corresponding message service device of described conference terminal in, when being invited the people can't insert meeting under certain conditions, Conference server will carry the special parameter of automatic message and inform call control server, finish the handshaking procedure of Conference server by it to the message service device, make it to finish the leaving meeting message function, whole process will realize that the state of message presents and informing mechanism by subscribing mechanism simultaneously.
As shown in Figure 2, the schematic flow sheet for a kind of leaving meeting message method proposed by the invention specifically may further comprise the steps:
When described conference terminal was initiated meeting, described call control server sent request for conference to each conference terminal by described call control server for step S201, described Conference server.
Step S202, judge one or more conference terminals when described call control server and can not participate in a conference, and when meeting default message trigger condition, described call control server sends request for conference to the corresponding message service device of the conference terminal that can not participate in a conference, and the communicating to connect of foundation and described message service device.
Wherein, described default message trigger condition specifically comprises:
Described conference terminal connection failure; Or,
Described conference terminal is busy; Or,
Described conference terminal shutdown; Or,
Described conference terminal does not respond.
In concrete application scenarios, above-mentioned message trigger condition is specifically set in the following manner:
Described Conference server sends the request for conference of the information that comprises described default message trigger condition to described call control server, sets the message trigger condition of each conference terminal in the described meeting; Or,
Described conference terminal sends the Indication message of the information that comprises described default message trigger condition to described call control server, sets the message trigger condition of self.
In concrete application scenarios, the implementation procedure of this step specifically comprises:
Described call control server receives the response message of the request for conference that each conference terminal returns, the state information of wherein carrying described conference terminal;
Described call control server is complementary described state information and described message trigger condition;
If the match is successful, described call control server sends request for conference to the corresponding message service device of the described conference terminal that the match is successful, and the communicating to connect of foundation and described message service device.
Step S203, described call control server generate the message record of the described conference terminal that can not participate in a conference by the described data message that sends described meeting to described message service device that communicates to connect.
For the understanding of the conference terminal realizing participating in a conference, in the process that this step is carried out, also comprise current message recording status:
Described call control server sends the state information that described message writes down to the described conference terminal that can not participate in a conference, and the state information that the described conference terminal that can not participate in a conference is write down described message writes down and/or shows.
Step S204, participate in described meeting when the described conference terminal request that can not participate in a conference, or described when meeting adjourned, and described call control server sends to described message service device and finishes indication, finishes the message of described conference terminal.
Compared with prior art, the present invention has the following advantages:
By using technical scheme of the present invention, can under the way flow environment, can detect, thereby for the environmentally advantageous identification attack of way flow provides the analysis foundation, such technical scheme implementation is simple to bidirectional flow, cost is low.Need not change network topology, improve the effect that the way flow environment is taken precautions against ddos attack preferably.
In order further to set forth technological thought of the present invention, existing in conjunction with concrete application scenarios, technical scheme of the present invention is described.
In order to realize the corresponding techniques scheme, need in network system, increase a message service device, the scheme networking diagram is as shown in Figure 3.
This flexible function is used for convenience, and the function that triggers the automatic message of meeting has dual mode, describes below in conjunction with concrete enforcement scene:
Mode one: the meeting presider is started the leaving meeting message function by invited party
In order to realize the corresponding techniques scheme, need on Conference server, increase parameter about " message automatically ", the host can start or cancel automatic message-leaving function by meeting control.
In case enable the parameter of this " message automatically ", the selection of concrete content of parameter will occur on the Conference server, and then the trigger condition that starts the leaving meeting message function is set.
Based on above-mentioned thinking, also need on Conference server, increase the conditional parameter that the meeting presider initiatively starts leaving meeting message, comprising: can't connect, not online, busy, ring unanswered.
Above-mentioned condition can be carried out self-defined selection according to concrete application scenarios needs.Above-mentioned each condition can be with also can be or relation.
After being satisfied set corresponding conditions by invited party, call control server will start the leaving meeting message function, set up the message treatment progress with corresponding message service device.
Concrete processing procedure may further comprise the steps as shown in Figure 3:
Step S301, Conference server enable " message automatically " function, and the message trigger condition is set.
Configuration starts the condition of leaving meeting message before meeting is initiated, and can comprise the connection failure message, meets busy message, nobody replys message, one or more in the online message not.
Step S302, Conference server send the conference request that comprises the trigger condition of leaving a message to call control server.
In concrete application scenarios, when initiatively inviting other people to participate in a conference, the host can expand the invite message, this trigger condition of leaving a message is automatically passed to call control server.
Wherein, the expansion of Invite message is mainly the expansion of record header field, and this header field mainly carries the condition that the meeting presider starts leaving meeting message.
The extension of message form is as follows:
INVITE?sip:xxx@x.x.x.xSIP/2.0
Via：SIP/2.0/UDP?x.x.x.x；branch＝z9hG4bK776asdhds
Max-Forwards：70
To：xxx<sip:xxx@x.x.x.x>
From：xxx<sip:xxx@x.x.x.x>；tag＝1928301774
Call-ID：a84b4c76e66710
CSeq：314159?INVITE
Record：flag
Contact：<sip:xxx@x.x.x.x>
Content-Type：application/sdp
Content-Length：142
Changeable for applying flexible, the flag value is variable.Different numerical value representative of consumer start the condition of automatic message-leaving function.
Sign numerical value implication
Nobody replys flag 1
2 users are busy
3 users do not have online
4 user's connection failures
Step S303, call control server send conference request to each conference terminal, and judge whether to start automatic message according to the response message that conference terminal returns.
Call control server relatively determines whether starting message-leaving function automatically by each the calling result who is replied by invited party and the cause value of record header field, be about to each conference terminal calling result who replys and the message trigger condition that Conference server sends and compare, satisfy condition then to trigger and leave a message.
If relatively the back is determined to start the leaving meeting message function, and is promptly consistent with the cause value of record header field by the calling result that invited party is replied, then execution in step S304;
If relatively the leaving meeting message function is determined not start in the back, promptly the calling result who is replied by invited party is inconsistent with the cause value of record header field, then according to the existing procedure processing, sets up conference communication.
Step S304, call control server send request for conference to the corresponding message service device of the conference terminal that can not participate in a conference, foundation communicates to connect with corresponding message service device, and pass through this and communicate to connect the meeting request is sent to this message service device, realize leaving meeting message.
Call control server is transmitted to invite request just now the message service device number of the terminal correspondence that can not participate in a conference again, Conference server and message service device have been set up called out and be connected, soon the pairing message service device of the user that can not participate in a conference number joins in the meeting, Conference server is transmitted to the message service device through audio mixing with rtp streaming so, thereby has realized the automatic message-leaving function of meeting.
Step S305, call control server send message state information to the conference terminal that carries out leaving meeting message, and make conference terminal present corresponding message state information.
In concrete application scenarios, message state transmission of Information and demonstration are main to realize that by Subscribe message after the expansion and Notify message concrete expansion scheme is as follows:
The expansion of Subscribe message: this expansion is in order to realize that leaving meeting message message indicating mechanism, message process status present mechanism.
After in case the user has enabled subscribing service, call control processor can present to message service device transmission Subscribe message subscribing user's indication of leaving meeting message message and message process status, this subscription incident can realize by expansion Event header field in Subscribe message, as long as 2 subscription incidents of definition.
Message format is as follows:
SUBSCRIBE?sip:xxx@x.x.x.x:5061SIP/2.0
Via：SIP/2.0/UDP?x.x.x.x:5060；branch＝z9hG4bK63872f3b5b0
Call-ID：6adda4fa5b0b7e32f73518d063872f0000@172.32.51.50
From：<sip:xxx@x.x.x.x:5060>；tag＝63872f3b
To：<sip:xxx@x.x.x.x:5061>
CSeq：1SUBSCRIBE
Contact：<sip:xxx@x.x.x.x:5060>；expires＝3600
Expires：3600
Event:record info // this incident is to subscribe to leaving meeting message message
Allow：
ACK，BYE，CANCEL，INFO，INVITE，NOTIFY，PRACK，REFER，REGISTER，UPDA
TE，SUBSCRIBE
Date：Tue，13May?2008?11:20:09?GMT
Max-Forwards：70
Content-Length：0
SUBSCRIBE?sip:xxx@x.x.x.x:5061?SIP/2.0
Via：SIP/2.0/UDP?x.x.x.x:5060；branch＝z9hG4bK63872f3b5b0
Call-ID：6adda4fa5b0b7e32f73518d063872f0000@172.32.51.50
From：<sip:xxx@x.x.x.x:5060>；tag＝63872f3b
To：<sip:xxx@x.x.x.x:5061>
CSeq：1SUBSCRIBE
Contact：<sip:xxx@x.x.x.x:5060>；expires＝3600
Expires；3600
Event:record progress // subscription leaving meeting message process status presents incident
Allow：
ACK，BYE，CANCEL，INFO，INVITE，NOTIFY，PRACK，REFER，REGISTER，UPDA
TE，SUBSCRIBE
Date：Tue，13May?2008?11:20:09?GMT
Max-Forwards：70
Content-Length：0
The expansion of Notify message: this expansion is for corresponding with the Subscribe extended message, being mainly used in the message service device in time presents to the leaving meeting message message indication situation of call control server notice respective user and the state in the leaving meeting message process, last call control server can be given corresponding user with the notify forwards, so that can indicate operation accordingly on user's the terminal, as the concrete numerical value of screen display, the flicker of button indicator light etc.
Message format is as follows:
NOTIFY?sip:xxx@x.x.x.x:5060?SIP/2.0
v： SIP/2.0/UDP
x.x.x.x；branch＝z9hG4bK00913f3b-d4f7-da11-9917-b3e2e14879b9
f：<sip:x.x.x.x>；tag＝ad5e22cc
t：<sip:xxx@x.x.x.x>
i：8022ce8e-e2f0-da11-a1e9-8f071c5b429c
Cseq：504NOTIFY
Timestamp：1150042986
Date：Sun，11Jun?2006?16:23:06?GMT
Max-Forwards：70
m：<sip:@172.32.27.101>
Event：record?info
Subscription-State：active；expires＝3600
c：application/record-info-summary
l：84
Messages-Waiting：yes
Message-Account：sip:xxx@x.x.x.x
Recordnumber:x (the leaving meeting message of not listening does not record several)/y (leaving meeting message server one total how many bar sound recordings)
NOTIFY?sip:xxx@x.x.x.x:5060?SIP/2.0
v： SIP/2.0/UDP
x.x.x.x；branch＝z9hG4bK00913f3b-d4f7-da11-9917-b3e2e14879b9
f：<sip:x.x.x.x>；tag＝ad5e22cc
t：<sip:xxx@x.x.x.x>
i：8022ce8e-e2f0-da11-a1e9-8f071c5b429c
Cseq：504NOTIFY
Timestamp：1150042986
Date：Sun，11Jun?2006?16:23:06?GMT
Max-Forwards：70
m：<sip:@172.32.27.101>
Event：record?progress
Subscription-State：active；expires＝3600
c：application/record-progress-summary
l：84
recording：yes
Recordnumber:x/y/z/w/ (x, y, z etc. are the meeting Number for access, and this header field is represented the Number for access of recording)
Subscribe after the expansion and notify message interaction process as shown in Figure 4, concrete flow process is not described at this.
Step S306, whether reach the leaving meeting message termination condition.
Finish message dual mode is arranged: a kind of to be that meeting adjourned trigger message finishes; Another kind is invited the people to see the phone information message that adds initiatively that meeting adjourned.
When meeting adjourned, when promptly the host leaves meeting, execution in step S307;
When the current user who carries out leaving meeting message asks to add meeting, execution in step S308.
Step S307, call control server send the initiatively dismantling call connection of bye message, closing session and whole message-leaving function to the user of all conference participations.
Step S308, call control server send the initiatively dismantling call connection of bye message to the message service device, finish whole message-leaving function.
Promptly when meeting is carried out, invited the people to see and show the prompting of leaving a message on the phone, invited the people initiatively to send out the Invite request and add meeting, call control server receives that the conference status that this request finds that this phone will be participated in is just in message state.So connecting original message, call server sends the dismounting of bye message.
Step S309, call control server will ask the user who adds meeting to add active conference.
Call control server is transmitted to Conference server with the meeting message that phone initiatively adds, and is invited the people just can continue to participate in a conference like this.The part that this user misses in meeting can arrive on the message service device and obtain.
Mode two: the user initiatively starts the leaving meeting message function on phone
In order to realize the corresponding techniques scheme, on call control server, increase the conditional parameter that is started leaving meeting message by invited party, comprising: can't connect, not online, busy, ring unanswered.
Above-mentioned condition can be carried out self-defined selection according to concrete application scenarios needs.Above-mentioned each condition can be with also can be or relation.
Each conference terminal sends corresponding instruction to call control server, triggers relevant parameters, to realize initiatively being started by invited party oneself setting of leaving meeting message.
Concrete processing procedure may further comprise the steps as shown in Figure 5:
Step S501, conference terminal send the message that comprises the trigger condition of leaving a message to call control server.
In concrete application scenarios, when conference terminal initiatively starts corresponding message-leaving function, need expand the Feature message, this trigger condition of leaving a message is automatically passed to call control server.
The expansion of Feature message: the user starts the leaving meeting message function on phone; phone sends feature message notifying call control server conference enabled message-leaving function; specifically enable to meet busy message, type such as online message or ring unanswered's message message pattern can be composed value accordingly to X; the user can define voluntarily, and the variation of concrete numerical value can't influence protection scope of the present invention.
Message format is as follows:
FEATURE?sip:xxx@x.x.x.x:5061?SIP/2.0
Via：SIP/2.0/UDP?x.x.x.x:5060；branch＝z9hG4bK63872f3b5b0
Call-ID：6adda4fa5b0b7e32f73518d063872f0000@172.32.51.50
From：<sip:xxx@x.x.x.x:5060>；tag＝63872f3b
To：<sip:xxx@x.x.x.x:5061>
CSeq：1SUB?SCRIBE
Feature-type:*X (X value representative of consumer enables the leaving meeting message of what type)
Step S502, Conference server send conference request to call control server.
Relate to the expansion of Invite message in this step equally: in Invite message, expand the Conference header field, this header field is mainly used in informs that this Invite message is the invitation request, be dealt into call control server by the Invite request of carrying the Conference header field, call control server just can judge by invited party whether enable to start message-leaving function.
The extension of message form is as follows:
INVITE?sip:xxx@x.x.x.xSIP/2.0
Via：SIP/2.0/UDP?x.x.x.x；branch＝z9hG4bK776asdhds
Max-Forwards：70
To：xxx<sip:xxx(@x.x.x.x>
From：xxx<sip:xxx@x.x.x.x>；tag＝1928301774
Call-ID：a84b4c76e66710
CSeq：314159?INVITE
Conference：y
Contact：<sip:xxx@x.x.x.x>
Content-Type：application/sdp
Content-Length：142
Step S503, call control server send conference request to each conference terminal, and judge whether to start automatic message according to the response message that conference terminal returns.
Call control server by each calling result who is replied by invited party with relatively determined whether starting message-leaving function automatically by the set cause value of invited party accordingly, be about to each conference terminal calling result who replys and the message trigger condition that each conference terminal equipment sends in advance and compare, satisfy condition then to trigger and leave a message.
If relatively the back is determined to start the leaving meeting message function, and is promptly consistent with the cause value of Feature-type by the calling result that invited party is replied, then execution in step S504;
If relatively the leaving meeting message function is determined not start in the back, promptly the calling result who is replied by invited party is inconsistent with the cause value of Feature-type, then according to the existing procedure processing, sets up conference communication.
Follow-up step S504 to S509 is consistent with aforesaid step S304 to S309, in this no longer repeat specification.
Compared with prior art, the present invention has the following advantages:
By using technical scheme of the present invention, when meeting is invited the people to be in current situation that can not conference participation, can carry out leaving meeting message for inviting the people by the leaving meeting message mode, invited the people also can select whether to accept leaving meeting message, the user will can not miss relevant conference content like this, and saving resource, and each user has own corresponding leaving meeting message system, various bookkeepings such as the user carries out the leaving meeting message of oneself and reads, deletes, preservation, fail safe, ease for use all are improved.
In order to realize technical scheme of the present invention, the invention allows for a kind of call control server, be applied to comprise call control server, Conference server, at least one conference terminal and with the system of the corresponding message service device of described conference terminal in.
Its concrete structural representation specifically comprises as shown in Figure 6:
Module 61 is set, is used to be provided with the message trigger condition;
Judge module 62 is used to judge whether each conference terminal can participate in a conference, and when judging that one or more conference terminals can not participate in a conference, and judges whether to meet the described set message trigger condition of module 61 that is provided with;
Communication module 63, be used for passing through self when described conference terminal is initiated meeting when described Conference server, send request for conference to each conference terminal, and judge that at described judge module 62 one or more conference terminals can not participate in a conference, and meet described when the set message trigger condition of module 61 is set, send request for conference to the corresponding message service device of the described conference terminal that can not participate in a conference, foundation communicates to connect with described message service device, by the described data message that sends described meeting to described conference terminal and/or message service device that communicates to connect, generate the message record of the described conference terminal that can not participate in a conference.
Preferably, the described set message trigger condition of module 61 that is provided with specifically comprise described conference terminal connection failure, or described conference terminal is busy, or the shutdown of described conference terminal, or described conference terminal do not respond, and specifically sets in the following manner:
Described communication module 63 receives the request for conference that comprises described message trigger condition information that described Conference server sends, the described message trigger condition that module 61 is set according to each conference terminal in the described meeting of described message trigger condition information setting; Or,
Described communication module 63 receives the Indication message that described conference terminal comprises described message trigger condition information, the described message trigger condition that module 61 is set according to the described conference terminal of described message trigger condition information setting.
Preferably, described judge module 62, also be used for when described communication module 63 receives the response message of request for conference of the state information of carrying described conference terminal that each conference terminal returns, described state information and described message trigger condition are complementary, and when the match is successful, notify described communication module 63 to send request for conference to the corresponding message service device of the described conference terminal that the match is successful, and the communicating to connect of foundation and described message service device.
Preferably, described communication module 63 is by the described data message that sends described meeting to described message service device that communicates to connect, and generates in the process of message record of the described conference terminal that can not participate in a conference, and also comprises:
Described communication module 63 sends the state information that described message writes down to the described conference terminal that can not participate in a conference, and the state information that the described conference terminal that can not participate in a conference is write down described message writes down and/or shows.
Preferably, described call control server also comprises:
When described communication module 63 receives the request message that described meeting is participated in the described conference terminal request that can not participate in a conference, or during the described notification message that meeting adjourned that receives that described Conference server sends, described communication module 63 sends to described message service device and finishes indication, finishes the message of described conference terminal.
Compared with prior art, the present invention has the following advantages:
By using technical scheme of the present invention, when meeting is invited the people to be in current situation that can not conference participation, can carry out leaving meeting message for inviting the people by the leaving meeting message mode, invited the people also can select whether to accept leaving meeting message, the user will can not miss relevant conference content like this, and saving resource, and each user has own corresponding leaving meeting message system, various bookkeepings such as the user carries out the leaving meeting message of oneself and reads, deletes, preservation, fail safe, ease for use all are improved.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by hardware, also can realize by the mode that software adds necessary general hardware platform.Based on such understanding, technical scheme of the present invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) each implements the described method of scene to carry out the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is a preferred schematic diagram of implementing scene, module in the accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device of implementing in the scene can be distributed in the device of implementing scene according to implementing scene description, also can carry out respective change and be arranged in the one or more devices that are different from this enforcement scene.The module of above-mentioned enforcement scene can be merged into a module, also can further split into a plurality of submodules.
The invention described above sequence number is not represented the quality of implementing scene just to description.
More than disclosed only be several concrete enforcement scene of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (11)
1. leaving meeting message method, it is characterized in that, be applied to comprise call control server, Conference server, at least one conference terminal and with the system of the corresponding message service device of described conference terminal in, when described Conference server by described call control server when described conference terminal is initiated meeting, described call control server sends request for conference to each conference terminal, and described method specifically may further comprise the steps:
Judging one or more conference terminals when described call control server can not participate in a conference, and when meeting default message trigger condition, described call control server sends request for conference to the corresponding message service device of the conference terminal that can not participate in a conference, and the communicating to connect of foundation and described message service device;
Described call control server generates the message record of the described conference terminal that can not participate in a conference by the described data message that sends described meeting to described message service device that communicates to connect.
2. the method for claim 1 is characterized in that, default message trigger condition specifically comprises:
Described conference terminal connection failure; Or,
Described conference terminal is busy; Or,
Described conference terminal shutdown; Or,
Described conference terminal does not respond.
3. method as claimed in claim 2 is characterized in that, described default message trigger condition is specifically set in the following manner:
Described Conference server sends the request for conference of the information that comprises described default message trigger condition to described call control server, sets the message trigger condition of each conference terminal in the described meeting; Or,
Described conference terminal sends the Indication message of the information that comprises described default message trigger condition to described call control server, sets the message trigger condition of self.
4. method as claimed in claim 3, it is characterized in that, describedly judge that one or more conference terminals can not participate in a conference when described call control server, and when meeting default message trigger condition, described call control server sends request for conference to the corresponding message service device of the conference terminal that can not participate in a conference, and the communicating to connect of foundation and described message service device, be specially:
Described call control server receives the response message of the request for conference that each conference terminal returns, the state information of wherein carrying described conference terminal;
Described call control server is complementary described state information and described message trigger condition;
If the match is successful, described call control server sends request for conference to the corresponding message service device of the described conference terminal that the match is successful, and the communicating to connect of foundation and described message service device.
5. the method for claim 1, it is characterized in that, described call control server is by the described data message that sends described meeting to described message service device that communicates to connect, and generates in the process of message record of the described conference terminal that can not participate in a conference, and also comprises:
Described call control server sends the state information that described message writes down to the described conference terminal that can not participate in a conference, and the state information that the described conference terminal that can not participate in a conference is write down described message writes down and/or shows.
6. the method for claim 1 is characterized in that, also comprises:
When described meeting is participated in the described conference terminal request that can not participate in a conference, or described when meeting adjourned, and described call control server sends to described message service device and finishes indication, finishes the message of described conference terminal.
7. a call control server is characterized in that, be applied to comprise call control server, Conference server, at least one conference terminal and with the system of the corresponding message service device of described conference terminal in, comprising:
Module is set, is used to be provided with the message trigger condition;
Judge module is used to judge whether each conference terminal can participate in a conference, and when judging that one or more conference terminals can not participate in a conference, judges whether to meet the described set message trigger condition of module that is provided with;
Communication module, be used for passing through self when described conference terminal is initiated meeting when described Conference server, send request for conference to each conference terminal, and judge that at described judge module one or more conference terminals can not participate in a conference, and meet described when the set message trigger condition of module is set, send request for conference to the corresponding message service device of the described conference terminal that can not participate in a conference, foundation communicates to connect with described message service device, by the described data message that sends described meeting to described conference terminal and/or message service device that communicates to connect, generate the message record of the described conference terminal that can not participate in a conference.
8. call control server as claimed in claim 7, it is characterized in that, the described set message trigger condition of module that is provided with, specifically comprise described conference terminal connection failure, or described conference terminal is busy, or described conference terminal shutdown, or described conference terminal does not respond specifically setting in the following manner:
Described communication module receives the request for conference that comprises described message trigger condition information that described Conference server sends, the described message trigger condition that module is set according to each conference terminal in the described meeting of described message trigger condition information setting; Or,
Described communication module receives the Indication message that described conference terminal comprises described message trigger condition information, the described message trigger condition that module is set according to the described conference terminal of described message trigger condition information setting.
9. call control server as claimed in claim 7 is characterized in that,
Described judge module, also be used for when described communication module receives the response message of request for conference of the state information of carrying described conference terminal that each conference terminal returns, described state information and described message trigger condition are complementary, and when the match is successful, notify described communication module to send request for conference to the corresponding message service device of the described conference terminal that the match is successful, and the communicating to connect of foundation and described message service device.
10. call control server as claimed in claim 7, it is characterized in that, described communication module is by the described data message that sends described meeting to described message service device that communicates to connect, and generates in the process of message record of the described conference terminal that can not participate in a conference, and also comprises:
Described communication module sends the state information that described message writes down to the described conference terminal that can not participate in a conference, and the state information that the described conference terminal that can not participate in a conference is write down described message writes down and/or shows.
11. call control server as claimed in claim 7 is characterized in that, also comprises:
When described communication module receives the request message that described meeting is participated in the described conference terminal request that can not participate in a conference, or during the described notification message that meeting adjourned that receives that described Conference server sends, described communication module sends to described message service device and finishes indication, finishes the message of described conference terminal.
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Address after: 310052 Binjiang District Changhe Road, Zhejiang, China, No. 466, No. Patentee after: Xinhua three Technology Co., Ltd. Address before: 310053 Hangzhou hi tech Industrial Development Zone, Zhejiang province science and Technology Industrial Park, No. 310 and No. six road, HUAWEI, Hangzhou production base Patentee before: Huasan Communication Technology Co., Ltd. |
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