CN101895715B - Method and device for realizing video conference through VXML - Google Patents
Method and device for realizing video conference through VXML Download PDFInfo
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- CN101895715B CN101895715B CN 200910107523 CN200910107523A CN101895715B CN 101895715 B CN101895715 B CN 101895715B CN 200910107523 CN200910107523 CN 200910107523 CN 200910107523 A CN200910107523 A CN 200910107523A CN 101895715 B CN101895715 B CN 101895715B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
- H04N7/152—Multipoint control units therefor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
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- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
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Abstract
The invention relates to the field of network communication, and discloses a method and a device for realizing a video conference through voice extensible markup language (VXML). When dialing a corresponding access code, a user triggers a script in a VXML server to create a conference label, an outbound label, a conference join label, an event waiting label and a conference stop label according to customized classid extended object composition, wherein the outbound label, the conference join label and the event waiting label are asynchronous VXML labels; and the function of video conference is realized by combining the functional labels and video parameters. By extending object labels and using the video parameters, the VXML can support the video conference and the application range of the VXML standard is expanded.
Description
Technical field the present invention relates to network communication field, relates in particular to a kind of method and apparatus of realizing video conference through VXML.
Background technology VXML is a kind of script based on XML, and XML is an extend markup language, is the abbreviation of Extensible Markup Language; VXML is Voice eXtensible MarkupLanguage (VoiceXML).The VXML support voice is browsed, and has defined the label relevant with voice, but the label function in the VXML standard is simple relatively, along with the development of business, must relate to complicated more function in the future, such as video conference.From this point, the existing label of VXML has just seemed scarce capacity.
At first, the label that defines in the VXML2.0 standard all is based on voice, does not support video.Secondly, existing VXML label all is synchronous, so the label in the VXML script is serial when carrying out.As shown in Figure 1; Being the synchronous switching label sketch map in the VXML2.0 standard, is the transfer label shown in the figure, when script executing arrives transfer; Behind the called party answer; Caller and called entering talking state, the execution flow process of script can be blocked in this label always, and whole flow process can continue behind the end of conversation.Script executing is to another transfer then, and the execution flow process of script can be blocked in another caller and called talking state again always.
And, need to support asynchronous label for a meeting, and because possibly need to breathe out a plurality of users in the meeting, after user answer, again the user is joined in the meeting, if label is synchronous, then can't in meeting, call out a plurality of users simultaneously.And existing VXML only is used for ordinary call, can only have caller and called two users simultaneously, can't realize adding in the meeting a plurality of users' function.
Summary of the invention the objective of the invention is to disclose a kind of method that realizes video conference through VXML, through expanding the object label among the VXML, has defined a series of labels that are used for video conference.These labels have been expanded existing VXML label: increased the parameter of supporting video; Defined the partial asynchronous label, these asynchronous labels need not wait for that specified action returns after the action that puts rules into practice, and the VXML flow process still continues downward execution, can in meeting, call out a plurality of users simultaneously.
The invention discloses a kind of method that realizes video conference through VXML; When the user dials corresponding access code, trigger the script in the VXML server, constitute according to self-defined classid expansion object label and create meeting label, outgoing call label, add the meeting label and stop the meeting label; The method of said realization video conference comprises the steps:
(1) the said establishment meeting of said VXML server calls label, and designated parameter is created video conference;
(2) said establishment meeting label return value be successfully after, said VXML server joins the calling subscriber in the meeting, and then calls said outgoing call label each called subscriber that breathes out successively;
(3) the called subscriber's return value when said outgoing call label is that the said called subscriber that the said adding meeting of said VXML server calls label will be correlated with joins in the meeting when breathing out successfully;
(4) the said meeting label that stops of said VXML server calls discharges all conferencing resources.
A kind of method that realizes video conference through VXML disclosed by the invention also comprises following subordinate technical characterictic:
Also wait for label according to self-defined classid expansion object label formation incident; The said incident of said VXML server calls is waited for label, handles the return value of said outgoing call label.
After said VXML server has been carried out adding meeting label, continue to carry out downwards according to script, the return value of said adding meeting label is waited in the label in said incident and being handled.
After said VXML server has been carried out and stopped the meeting label, continue to carry out downwards according to script, the said return value that stops the meeting label is waited in the label in said incident and being handled.
The called subscriber is introduced directly into meeting after breathing out successfully in step (3).In said step (1) afterwards, when the user dialed the meeting access code and puts through, said VXML server calls added the meeting label said user is joined in the meeting, perhaps said user is directly joined in the meeting.
Said outgoing call label also has caller, called, call answering timeout parameter, defines a parameter simultaneously and is used to obtain the identifier of distributing to this calling behind the call answering.
The invention also discloses and a kind ofly realize the device of video conference comprising the mutual VXML server of resolving xml document, execution and user terminal through VXML, also comprise by said VXML server according to the video conference script calls like lower module:
Create the meeting module, be used to specify video parameter, create videoconferencing platform;
The outgoing call module is used for creating successively each called subscriber of call sign exhalation;
Add the meeting module, be used for adding meeting obtaining the called subscriber that outgoing call replys;
Stop the meeting module, be used for when meeting adjourned, discharging all conferencing resources.
The also disclosed device of realizing video conference through VXML of the present invention; Also comprise incident wait module; Be used to handle the called subscriber's that said outgoing call module calls out return information; And/or the said user's of said adding meeting module adding return information, and/or the said meeting module that stops to be carried out later return information.
When the user dialed the meeting access code and puts through, said adding meeting module joined said user in the meeting, and perhaps said VXML server directly joins said user in the meeting.
The present invention is through expansion object label, and combination uses these labels and video parameter to make VXML can support video conference, has expanded the scope of application of VXML standard.The present invention has also introduced asynchronous VXML label, can support a plurality of users that breathe out simultaneously.
Description of drawings
Fig. 1 is that the synchronous switching label in the VXML2.0 standard is carried out schematic flow sheet.
Fig. 2 is the schematic flow sheet of realization video conference of the present invention.
Fig. 3 is the apparatus function module diagram of realization video conference of the present invention.
Embodiment explains further details to implementation method of the present invention and call flow below in conjunction with accompanying drawing 2 and embodiment.
The present invention has defined and has utilized the support video parameter of expansion and the VXML label of asynchronous feature in order to realize the function of video conference, comprising:
1. create the meeting label, support video outgoing call parameter.
Its call method may be defined as:
classid＝“method://Conf/CreateConf”。
Have video conference parameter I sVedioConf in the establishment meeting label,, represent that then the meeting that the meeting platform is created is video conference if this parameter is set to 1.This label is a sync tag.
The parameter of creating the meeting label is as shown in the table:
| How how parameter name is understood is provided with IsVedioConf and whether creates video conference.1 byte integer.(OP) 1-video conference of 0-audio conferencing (IN).The port number of ChannelNum application.(IN) 32 integers.This parameter must be filled in.ConfNO meeting-place number (return value).64 integers.Call and create meeting-place that meeting-place (OUT) Object returns number, this value is only being created success back, meeting-place effectively (return value of Object execution is SUCCESS). |
Create the return value such as the following table of meeting label:
| How return value understands SUCCESS is created the meeting-place success.FAILURE creates the meeting-place failure. |
Establishment meeting label passes through self-defined classid and has expanded the object label.Have the video conference parameter in the establishment meeting label, if this parameter is set, then the meeting of platform establishment is video conference.Except definition video conference parameter, simultaneously, create the video conference label and also need define the port number when applying for meeting, be used for reserved resource; Definition meeting-place number obtains the meeting-place numbering after being used to create meeting.
2. the outgoing call extension tag is supported video outgoing call parameter.
Outgoing call label call method may be defined as:
classid＝″method://Call/AnsyCallOut″
The outgoing call extension tag is asynchronous label, need wait in incident and wait for returning of exhalation result in the label.Parameter I sVideo representes whether carry out the video outgoing call.This label is asynchronous label.
The parameter of outgoing call extension tag is following:
| How how parameter name is understood is provided with call instance of the unique sign of CallID.64 integer variables are used for preserving and return (OUT) value.CLI user is used for notifying the access code that originally defaults to business of switch, the calling number of the longest 25 callings.(IN) byte.Calling number and the called number of the parameter that the user can use character string type (OP) in also can the using system parameter.CLD is used for notifying this calling of switch the longest 25 bytes.The operable called number of user.(IN) calling number and the called number of the parameter of character string type in also can the using system parameter.Whether video exhalation 0 is not IsVideo; The 1st, the parameter type integer that TimeOut breathes out and successfully waits for called off-hook, unit are second (s).The ring duration.(IN)(OP) |
The return value of outgoing call extension tag is following:
| How return value understands FAILURE exhalation failure SUCCESS is breathed out successfully |
The outgoing call label has been expanded the object label through self-defined classid.The outgoing call label also has video parameter and representes whether carry out the video outgoing call.The outgoing call label also has caller, called, call answering timeout parameter, defines a parameter simultaneously and is used to obtain the identifier of distributing to this calling behind the call answering.Because the outgoing call label is asynchronous label, so need wait in the label in incident and wait for returning of exhalation result.
3. add the meeting label.
Adding meeting label call method may be defined as:
classid＝″method:/?/Conf/ConfAddUser″
After user's success of outgoing call, can use and exhale adding meeting label that the user is added a meeting.This label is asynchronous label.
It is following to add the meeting tag parameter:
| How how parameter name is understood is provided with ConfNO meeting-place number.(IN) 64 integers.The meeting-place that this value is returned when creating the meeting-place number.This parameter must be filled in.CallID connection side DSN.(IN) 64 integers.Be defaulted as the call identification number that is about to add the meeting-place.The ConnMode connection type.(IN) 1 byte integer.The value that can get: 1-only listening, 3-it is said.Default value is 3.32 integers of the passage of ChannelNO user in the meeting-place, add successfully after, return with number.(OUT) the meeting-place channel number that takies of family. |
It is following to add meeting label return value:
| How return value understands SUCCESS user adds the meeting-place success.FAILURE user adds the meeting-place failure. |
Adding meeting label passes through self-defined classid and has expanded the object label.After user's success of outgoing call, can use and exhale adding meeting label that the user is added a meeting.The parameter that adds meeting labeling requirement definition has: meeting-place number, the type that adds meeting or authority, the channel number of user in the meeting-place.
4. incident is waited for label.
Incident waits for that the label call method may be defined as:
classid＝″method://function/waitEvent″
Be mainly used in the processing asynchronous event.This label is a sync tag, receives that the incident of hope is just handled, otherwise should use the rebound self of < goto>label, makes VXI (VXML resolver) repeat this label, up to the event comes of hope.
Incident waits for that tag parameter is following:
| How parameter name understands the OutputInfo event result information that how to be provided with.Be used for the result of the incident of preserving, as collect the digits and then deposit user's input information, CallID of on-hook side or the like is then preserved in on-hook.Maximum 100 bytes.See table. |
| How return type is understood is returned the button character string that user's input is deposited in dialing among the OutputInfo, if if import overtime, or invalid situation such as cancellation then this is worth and is null character string.Return preceding four bytes of off-hook OutputInfo and deposit the CallID of DWORD type.Return the CallID (DWORD type) that deposits on-hook side among the on-hook OutputInfo.Return the TimeID (unsigned char type) that deposits timer among the overtime OutputInfo. |
Return value is following:
How return value is understood
| USER_HOOK | User's on-hook |
| USER_HOOK_OFF | The outlet of user's off-hook |
| TIME_OUT | Overtime |
| NOTIFY | Notification message |
| CONF | The meeting-place is withdrawed from |
| ERROR | Make mistakes |
| CP_USERJOIN | The CP meeting-place has the user to add |
| CP_ConfFault | The CP meeting-place is unusual |
| CP_ChannelFault | CP meeting-place channel abnormal |
Incident wait label has been expanded object through self-defined classid.Be mainly used in the processing asynchronous event.Incident is waited for output parameter of labeling requirement definition, is used to obtain the incident of arrival.These incidents comprise: dependent events such as the user adds in user's off-hook, user's on-hook, the meeting-place, the user walks out, overtime, unusual.
5. stop the meeting label
This label call method may be defined as:
classid＝″method://Conf/ReleaseConf″
After stopping the execution of meeting label, VXI will interrupt all users' in the meeting conversation, discharge conferencing resource.This label is asynchronous label, just thinks that label is finished after the execution once, and VXI can follow the processing scripts flow process.
The parameter declaration that stops the meeting label is following:
| How how parameter name is understood is provided with ConfNO meeting-place number.(IN) 64 integers.The meeting-place that this value is returned when creating the meeting-place number.This parameter must be filled in. |
The return value that stops the meeting label is following:
| How return value understands SUCCESS discharges the meeting-place success.FAILURE discharges the meeting-place failure. |
Stopping the meeting label is to pass through self-defined classid to have expanded the object label equally.This labeling requirement definition meeting-place parameter.
Combination through the above-mentioned functions label is used, and can realize the video conference function, and is as shown in Figure 2.
Fig. 2 adopts extension tag of the present invention to create the video conference flow chart, and key step is:
A. the user gets into the VXML operation flow through dialing access code;
B. script calls is created meeting label C reateConf, and assigned I sVedioConf parameter value is 1, creates video conference.
C. after video conference was created successfully, caller was joined in the meeting automatically.Use outgoing call label exhalation user 1 then, the successfully back use of breathing out adds the meeting label it is joined in the meeting.The outgoing call label is after having carried out outgoing call, and script can not be parked in here, but the flow process below continuing to carry out.
D. script continues other user 2 that breathes out, and after having carried out outgoing call, script can not be parked in here equally, but the flow process below continuing to carry out.Here can also continue other user that breathes out, the incident that jumps to is waited for and is gone in the label to handle after these asynchronous labels are carried out.
E. wait for all asynchronous events and the message of handling in the label in the video conference in incident.Such as called party answer incident, user add meeting, the user withdraws from incidents such as meeting, user's on-hook.
F. meeting adjourned, discharges all conferencing resources.
In the inventive method, the mode that the user adds meeting among the said step C also comprises:
C1. the user that breathes out in the meeting directly adds meeting with the user after the user answer, need not to use to add the meeting label;
C2. the user dials the meeting access code and joins in the meeting through dialling in mode; The user dials access code, can trigger a VXML business, in this business, uses adding meeting label the user to be joined the meeting of having created.Wait for that in the incident of script can obtain the user in the label joins this incident in the meeting.
C3. the user dials the meeting access code through dialling in mode, puts through the back and uses meeting adding label that the user is joined in the meeting.
The mode that meeting adjourned among the step f of the inventive method comprises:
F1. the script use stops the meeting label and stops meeting.
F2. all members have withdrawed from the meeting, and then meeting stops automatically.Here can control by the VXML resolver.The VXML resolver is known has for how many members in the meeting.
To sum up; The present invention discussed passes through expansion VXML label, supports the method for video parameter and asynchronous label, and abundant more conferencing function can be provided; On basis of the present invention; Can also further expand out displaying video in meeting, functions such as video recording make VXML can support video conference.
As shown in Figure 3 is the apparatus function module diagram of realization video conference of the present invention; On the mutual VXML server of resolving xml document, execution and user terminal; Also comprise and create the meeting module, carry out the function of creating meeting according to above-mentioned establishment meeting label; The outgoing call module is carried out outer calling function according to above-mentioned outgoing call label; Add the meeting module, carry out obtaining the function that user that outgoing call replys adds meeting according to adding the meeting label; Incident is waited for module, waits for the function that the label time of implementation is waited for according to above-mentioned incident; Stop the meeting module, according to stopping above-mentioned meeting label execution stopping conferencing function.
Should be understood that illustrating of above-mentioned definition to the VXML label and each concrete steps is comparatively concrete, can not therefore think the restriction to scope of patent protection of the present invention, scope of patent protection of the present invention should be as the criterion with accompanying claims.
The method that realizes video conference through tag combination of the present invention is following:
1. the user triggers the VXML script through dialing access code.
2. script calls is created meeting label (being with video parameter) and is created video conference.
3. successfully other user of back use outgoing call label exhalation is created in video conference, and the successfully back use of breathing out adds the meeting label it is joined in the meeting.Except above-mentioned adding conferencing, the user adds meeting and also has multiple mode: the successfully directly adding meeting of back of breathing out, need not use to add the meeting label; The mode that the meeting of user's active call adds.
Wait for label except creating video conference and incident, other functional label in outgoing call label and the meeting all is asynchronous label.The outgoing call label is after having carried out outgoing call, and script can not be parked in here, but the flow process below continuing to carry out.The implementation method here is to jump to after asynchronous label is carried out in the incident wait label to go to handle, and face 4 as follows.
4. incident in the video conference and message are waited in the label in incident and being handled.Such as called party answer incident, user add meeting, the user withdraws from incidents such as meeting, user's on-hook.
5. video conference finishes, and discharges all conferencing resources.
Claims (10)
1. one kind is passed through the method that VXML realizes video conference;, the user triggers the script in the VXML server when dialing corresponding access code; It is characterized in that, constitute according to self-defined classid expansion object label and create meeting label, outgoing call label, add the meeting label and stop the meeting label; The method of said realization video conference comprises the steps:
(1) the said establishment meeting of said VXML server calls label, and designated parameter is created video conference;
(2) said establishment meeting label return value be successfully after, said VXML server joins the calling subscriber in the meeting, and then calls said outgoing call label each called subscriber that breathes out successively;
(3) the called subscriber's return value when said outgoing call label is that the said called subscriber that the said adding meeting of said VXML server calls label will be correlated with joins in the meeting when breathing out successfully;
(4) the said meeting label that stops of said VXML server calls discharges all conferencing resources.
2. like power 1 described method, it is characterized in that, also wait for label according to self-defined classid expansion object label formation incident; In said step (2), behind the said outgoing call label of the said VXML server calls exhalation called subscriber, continue to carry out downwards according to script, the said incident of said VXML server calls waits for that label obtains the return value of said outgoing call label.
3. like power 2 described methods, it is characterized in that after said VXML server has been carried out adding meeting label, continue to carry out according to script, the return value of said adding meeting label is waited in the label in said incident and being handled downwards.
4. like power 2 described methods, it is characterized in that, after said VXML server has been carried out and stopped the meeting label, continue to carry out that the said return value that stops the meeting label is waited in the label in said incident and being handled downwards according to script.
5. any one method described in power 1,2,3 or 4 is characterized in that the called subscriber is introduced directly into meeting after breathing out successfully in step (3).
6. like power 5 described methods; It is characterized in that, in said step (1) afterwards, when the user dials the meeting access code and puts through; Said VXML server calls adds the meeting label said user is joined in the meeting, perhaps said user is directly joined in the meeting.
7. as power 6 described methods, it is characterized in that said outgoing call label also has caller, called, call answering timeout parameter, define a parameter simultaneously and be used to obtain the identifier of distributing to this calling behind the call answering.
8. realize the device of video conference comprising the mutual VXML server of resolving xml document, execution and user terminal through VXML for one kind, it is characterized in that, also comprise by said VXML server according to the video conference script calls like lower module:
Create the meeting module, be used to specify video parameter, create videoconferencing platform;
The outgoing call module is used for creating successively each called subscriber of call sign exhalation;
Add the meeting module, be used for adding meeting obtaining the called subscriber that outgoing call replys;
Stop the meeting module, be used for when meeting adjourned, discharging all conferencing resources.
9. like power 8 described devices; It is characterized in that; Also comprise incident wait module; Be used to handle the called subscriber's that said outgoing call module calls out return information, and/or the said user's that adds of said adding meeting module return information, and/or carry out the said later return information of meeting module that stops.
10. like power 9 described devices, it is characterized in that when the user dialed the meeting access code and puts through, said adding meeting module joined said user in the meeting, perhaps said VXML server directly joins said user in the meeting.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910107523 CN101895715B (en) | 2009-05-22 | 2009-05-22 | Method and device for realizing video conference through VXML |
| PCT/CN2009/074378 WO2010133061A1 (en) | 2009-05-22 | 2009-10-09 | Method and apparatus for implementing video conferencing with vxml |
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| CN 200910107523 CN101895715B (en) | 2009-05-22 | 2009-05-22 | Method and device for realizing video conference through VXML |
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| CN101895715B true CN101895715B (en) | 2012-12-19 |
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| CN102149059B (en) * | 2010-02-09 | 2014-08-13 | 中兴通讯股份有限公司 | Method and device for realizing call transfer via VXML (voice extensible markup language) |
| CN102685337B (en) * | 2011-03-17 | 2014-11-05 | 中兴通讯股份有限公司 | Method and device for achieving voice extensive makeup language (Xml) call control |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1558656A (en) * | 2004-01-20 | 2004-12-29 | 联想(北京)有限公司 | A system and method for realtime interaction of telephone speech based on voicexml |
| CN1735191A (en) * | 2004-08-10 | 2006-02-15 | 中兴通讯股份有限公司 | Method for holding video conference on video operation platform |
| CN1770857A (en) * | 2004-10-27 | 2006-05-10 | 梁松 | Interactive voice video conference system based on multi communication platform |
| CN1976434A (en) * | 2006-12-01 | 2007-06-06 | 王先来 | Method and system for realizing on-line video-frequency conference |
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2009
- 2009-05-22 CN CN 200910107523 patent/CN101895715B/en not_active Expired - Fee Related
- 2009-10-09 WO PCT/CN2009/074378 patent/WO2010133061A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1558656A (en) * | 2004-01-20 | 2004-12-29 | 联想(北京)有限公司 | A system and method for realtime interaction of telephone speech based on voicexml |
| CN1735191A (en) * | 2004-08-10 | 2006-02-15 | 中兴通讯股份有限公司 | Method for holding video conference on video operation platform |
| CN1770857A (en) * | 2004-10-27 | 2006-05-10 | 梁松 | Interactive voice video conference system based on multi communication platform |
| CN1976434A (en) * | 2006-12-01 | 2007-06-06 | 王先来 | Method and system for realizing on-line video-frequency conference |
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| CN101895715A (en) | 2010-11-24 |
| WO2010133061A1 (en) | 2010-11-25 |
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