CN1968112B - IMS-based voice-conference voting system and network device - Google Patents
IMS-based voice-conference voting system and network device Download PDFInfo
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- CN1968112B CN1968112B CN200610062945A CN200610062945A CN1968112B CN 1968112 B CN1968112 B CN 1968112B CN 200610062945 A CN200610062945 A CN 200610062945A CN 200610062945 A CN200610062945 A CN 200610062945A CN 1968112 B CN1968112 B CN 1968112B
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Abstract
The invention relates to a voice conversation vote system based on IMS, wherein it comprises media resource function processing MRFP and terminal, while MRFP comprises DTMF signal checker, vote judger and vote recorder; the DTMF signal checker checks the received DTMF signal, extracts button number and voter PartID to be sent to the vote judger; the vote judger converts received button number into vote, to be sent to the vote recorder with PartID; the vote recorder records vote and relative voter PartID, calculates out the vote number.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of based on IP Multimedia System (IPMultimedia Subsystem, voice-conference voting system IMS) and the network equipment.
Background technology
(IP Multimedia Subsystem IMS) provides open business interface to the IP Multimedia System that 3GPP proposes, and has realized the separation of user plane, control plane, service plane, makes the professional realization can be independent of the bearer network of lower floor.
In the multiple business that the enterprise network based on the IMS framework provides, the application of voice conferencing is very general, for enterprises provides convenient, safe AC-AC platform, has reduced operating cost.The type of voice conferencing mainly contains loose coupling meeting, complete distributed meeting and Tightly Coupled Conference.Since in the realization that brings of different conference type with managerial different, from the angle that can run, in IMS what paid close attention to mainly is tightly coupled meeting.In the Tightly Coupled Conference, contain a conference centre, each convention goer and this conference centre establish a connection.Conference centre carries out various session control functions, and the medium mixed function.
Prior art can realize carrying out ballot in the voice conferencing by terminal push, as shown in Figure 1.Wherein, telephone set, switch, service process platform and PSTN (Public Service TelephoneNetwork, the common service telephone network) adopts TDM (Time Division Multiplex between, time division multiplexing) mode transmits data, the general proprietary protocol interaction message that adopts between service process platform and the application server.In the process of in videoconference, voting, when certain button is pressed on the telephone set, DTMF (Dual-Tone Multifrequency, dual-tone multifrequency) signal reaches service process platform via switch, checkout equipment on the service process platform detects and analyzes dtmf signal, obtain the key value of telephone set, and send it to application server, application server can transmit control message to service process platform according to the different key value of receiving, finishes ballot judgement, record ballot, play cuing sound function by service process platform.
The trend of enterprise network development at present is to adopt the communication technology of VoIP, adopts the IP mode to transmit data, realizes the unified communication of medium such as voice, text, image, video.Adopt the mode of TDM to transmit data in the prior art between telephone set, switch, service process platform and the PSTN, be difficult to satisfy the application demand of enterprise network from now on; Service process platform adopts complicated algorithm to handle the detection of dtmf signal by digital signal processor, and overhead is bigger; The general proprietary protocol that adopts carries out alternately between service process platform and application server, so the equipment of different manufacturers can not compatibility, and this makes the user more be left with no alternative during exchange device.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of voice-conference voting system based on IMS.
Another technical problem that the present invention will solve provides a kind of network equipment, can realize voice-conference voting in the IMS system.
The invention provides a kind of voice-conference voting system based on IMS, comprise media resource function processing MRFP and terminal, described media resource function is handled MRFP and is comprised dtmf signal detecting unit, ballot decision unit and poll unit, wherein the dtmf signal detecting unit is used to detect the dtmf signal that receives, and extracts button number and voter PartID wherein and sends to the ballot decision unit; The ballot decision unit number converts the button that receives to concrete ballot and voter PartID sends to the poll unit together; Poll unit record ballot and corresponding voter PartID, the statistics poll.
Wherein, also comprise ballot voice case, be used for playing corresponding prompt voice according to information from the poll unit.
Wherein, dtmf signal is the RTP payload format of RFC2833 definition, and described dtmf signal is directly produced by terminal or produces after gateway processes.
Wherein, ballot is preserved mapping table in the decision unit, and this mapping table is used to be provided with the mapping relations between terminal push number, button number represented incident and the authority, and the terminal push that does not have in the mapping table number is represented invalid button.
Wherein, the ballot decision unit is with the button that receives number and voter PartID and the comparison of described mapping table, when the relation of button number and voter PartID was inconsistent with mapping table, the ballot decision unit sent to the voice case of voting with " button is invalid " or " authority is limited " information.
Wherein, described poll unit also comprises searches the unit, searches the unit and searches the voter PartID that whether has the ballot correspondence that receives in the record, if having, then abandons the up-to-date ballot that receives.
Wherein, described terminal is connected by integrated access equipment and media resource function processing MRFP; Perhaps described terminal is handled MRFP by media gateway and media resource function and is connected.
A kind of network equipment, be used for voice-conference voting system based on IMS, it is characterized in that, comprise: media resource function is handled MRFP, described media resource function is handled MRFP and is comprised dtmf signal detecting unit, ballot decision unit and poll unit, wherein: the dtmf signal detecting unit is used for the dtmf signal that sense terminals is sent, and extracts button number and voter PartID wherein and sends to the ballot decision unit; The ballot decision unit number converts the button that receives to concrete ballot and voter PartID sends to the poll unit together; Poll unit record ballot and corresponding voter PartID, the statistics poll.
Wherein, also comprise ballot voice case, play corresponding prompt voice according to information from the poll unit.
Wherein, this dtmf signal is the RTP payload format of RFC2833 definition, and described dtmf signal is directly produced by terminal or produces after gateway processes.
Beneficial effect of the present invention is as follows: based on the mode of IMS, system adopts the IP mode to transmit data, realizes the unified communication of medium such as voice, text, image, video.
RFC2833 has defined the RTP payload format of a kind of DTMF, make the RTP grouping of DTMF separate with voice RTP, therefore needn't adopt the signal processing method of complexity to detect in the RTP grouping that has mixed DTMF and voice whether contain dtmf signal again, only just can detect dtmf signal by scanning RTP load, thereby alleviated the detection burden, avoided overhead ground to increase effectively.
Description of drawings
Fig. 1 is the schematic diagram of prior art voice-conference voting system;
Fig. 2 is the voice-conference voting system schematic diagram that the present invention is based on IMS;
Fig. 3 sets up the flow chart of meeting for the present invention;
Fig. 4 is PSTN terminal and the IP terminal processing schematic diagram to dtmf signal;
Fig. 5 is the structural representation that media resource function of the present invention is handled MRFP;
Fig. 6 is the schematic diagram of mapping table of the present invention;
Fig. 7 starts the ballot flow chart for the present invention;
Fig. 8 is the method flow diagram of the present invention's ballot;
Fig. 9 is the flow chart of an object lesson of voting method of the present invention.
Embodiment
Please refer to Fig. 2, the speech conference system that the present invention is based on IMS comprises application server AS (Application Sever), CSCF CSCF (Call/Session Control Function), media resource function control MRFC (Media Resource Function Control) and media resource function are handled MRFP network elements such as (Media Resource Function Process), by integrated access equipment IAD (Integrated Access Device) and media gateway MG (Media Gateway) telephone terminal is inserted, data or control information are transmitted between each network element in the mode of grouping.Dotted line among the figure and solid line represent respectively the to divide into groups control access and the media access of message, thus outside PSTN terminal is passed through E1 and is connected to media gateway and inserts meeting.
In voice conferencing, AS, CSCF and MRFC manage meeting by mutual sip message.AS is responsible for predetermined conference and information management, for example, and time started, duration and convention goer etc.CSCF insert participant's control information and transmit AS and MRFC between session control message.MRFC is used to explain from AS and the next information of CSCF, thus control MRFP.Please refer to Fig. 3, is that AS, CSCF and MRFC pass through the flow process that sip message is created meeting.After meeting was set up, the convention goer just can carry out direct exchange of media with MRFP.MRFP finishes the control carrying, MRFC is provided the functions such as resource, media stream resources and Media Stream processing that control needs.
When the call voice meeting has been set up and is in the conference status, in the time of need voting, the meeting presider presses default certain key (such as the # key) expression ballot beginning on the telephone terminal, at this moment has prompt tone and informs that the meeting participant can begin ballot; The meeting participant presses the ballot (for example, agree with, oppose or waive the right) of the preset key representative oneself on the telephone terminal, and the prompt tone of MRFP transmission after this tells the voter to vote; When all voters all vote finish after, have prompt tone to show that this time ballot is finished equally, the preset key that the meeting presider presses on the telephone terminal again finishes ballot.
The input button number can produce a dtmf signal on telephone terminal, and traditional PSTN phone is different with the IP phone to this Signal Processing mode, please refer to Fig. 4.The PSTN phone can send to the media gateway of enterprise network by the PSTN network with dtmf signal, and media gateway will be packed after this dtmf signal format conversion again; IP phone this dtmf signal of then directly changing and pack.RFC2833 has defined the RTP payload format of a kind of DTMF, make the RTP grouping of DTMF separate with voice RTP, therefore whether contain dtmf signal in the RTP grouping that receiving terminal needn't adopt complicated signal processing method to detect to have mixed DTMF and voice again, only just can detect dtmf signal, thereby alleviate the detection burden of receiving terminal by scanning RTP load.
Voice conferencing is once foundation, and the RTP of each terminal and media gateway grouping directly is sent to MRFP by media access.As shown in Figure 5, DTMF detecting unit DDU is set in MRFP, supports the terminal of RFC2833 and the dtmf signal that media gateway transmits in order to detection; In MRFP, be provided with in ballot decision unit TJU, poll unit TRU and the ballot voice case TVB realization meeting and vote.
DTMF detecting unit DDU detects the RTP grouping receive, if the DTMF grouping then extracts its button number, grouping stamp settling time and PartID and send to ballot decision unit TJU, otherwise other entity that grouping sends to MRFP is dealt with.
Before carrying out voice conferencing, the button that at first being provided with in ballot decision unit TJU votes begins (for example, can be " # " key) and host PartID, the host has the authority that starts meeting. set up mapping table among this external ballot decision unit TJU, as shown in Figure 6, wherein, " * " key table shows poll closing, " 0 " key table shows abstention, " 1 " key table shows agreement, " 2 " key table shows opposition etc., the incident that shows the button representative of telephone terminal, the button that does not have in the mapping table is represented invalid button. " authority " represents which participant has the right that triggers corresponding event among the figure, and PartIDi is meeting presider's a meeting identification, and expression has only the talent of hosting that the authority that closes the polls is arranged; All represents all convention goers, and the ballot that all convention goers can represent oneself by " 0 " " 1 " or " 2 " key of telephone terminal is described. in the practical application, realize multiple function thereby can enrich mapping table as the case may be.
Fig. 7 is for ballot decision unit TJU starts the workflow of ballot, wherein " sends voting starting message to TVB " and make the TVB broadcasting speech, informs that the meeting participant can import the telephone terminal keyboard number and begin ballot.
Fig. 8 is the workflow of ballot decision unit TJU ballot operation, the ballot decision unit also comprises searches the unit, to fall the data and the mapping table that come from DTMF detecting unit DDU compares and handles, in processing procedure, when running into " button is invalid ", " authority is limited " and " poll closing " incident, send corresponding message to the voice mail TVB that votes, ballot voice mail TVB plays corresponding voice according to the message of receiving and gives the participant.In addition, ballot decision unit TJU can judge overtime: TJU deducts DTMF grouping stamp settling time that DTMF detecting unit DDU transmits with the current time, if the time difference, judges then that this DTMF grouping is overtime greater than the value of setting in advance, no longer it is done any processing.Therefore, after the ballot of voter's enter key reel number, in Preset Time, do not hear suggestion voice, should re-enter the keyboard number ballot.Effective at button, authority allows and does not have under the overtime situation, and ballot decision unit TJU number converts the button that receives to concrete ballot and PartID passes to poll unit TRU together.
The main effect of poll unit TRU is record ballot and PartID thereof, the statistics poll; In addition, send a message to ballot voice case TVB, make ballot voice case TVB inform that certain participant has voted or concrete voting results.For preventing that the voter from constantly revising ballot, also be provided with the function that prevents " second ballot " in poll unit TRU: poll unit TRU receives the ballot that ballot decision unit TJU transmits, search the PartID that whether has this ballot in the record, if existing this PartID then abandons the up-to-date ballot that receives.Therefore, the meeting participant has only first poll effective.
Ballot voice case TVB has speech data, play corresponding prompt voice according to message from ballot decision unit TJU or poll unit TRU, for example notify all participants vote beginning, what inform that certain participant presses is invalid ballot key etc., by media access voice RTP grouping is sent to IP terminal or media gateway.
Among the present invention, telephone terminal button, mapping table and the time-out time of expression ballot beginning is by the server setting of system; The statistics of ballot can derive from server.
Please refer to Fig. 9, the situation that the present invention votes is described with a concrete example, wherein:
Ballot is set up: 1-4
Normal ballot: 5-9
Second ballot: 10-12
Timeout treatment: 13-14
Invalid key is handled: 15-18
Poll closing: 19-22
Detailed process is described below:
1): the host presses default " # " button of telephone terminal, produces RTP and is grouped into DDU;
2): it is the RTP grouping of DTMF that DDU detects, and extracts its button number, grouping stamp settling time and PartID and sends TJU;
3): TJU is confirmed to be ballot startup button and its PartID has this authority, and transmission beginning message is to TVB and enter the ballot operating process;
4): the voice that the TVB transmission can begin to vote are to all convention goers;
5): certain meeting participant presses telephone terminal button " 1 ", produces RTP and is grouped into DDU;
6): it is the RTP grouping of DTMF that DDU detects, and extracts its button number, grouping stamp settling time and PartID and is sent to TJU;
7): TJU contrasts mapping table, confirms that this ballot agrees that its PartID has this authority and not overtime, therefore TRU is passed in this ballot and PartID together;
8): ballot of TRU record and PartID thereof, upgrade votes, and send a message to TVB;
9): the voice that the TVB transmission has been voted are to this voter;
10): certain meeting participant presses phone button " 0 ", produces RTP and is grouped into DDU;
11): it is the RTP grouping of DTMF that DDU detects, and extracts its button number, grouping stamp settling time and PartID and is sent to TJU;
12): TJU contrasts mapping table, confirms this ballot expression abstention, and its PartID has this authority and not overtime, therefore TRU is passed in this ballot and PartID together; The PartID of existing this ballot abandoned and rigidly connects the ballot of receiving during TRU searched and notes down;
13): certain meeting participant presses phone button " 0 ", produces RTP and is grouped into DDU;
14): it is the RTP grouping of DTMF that DDU detects, and extracts its button number, grouping stamp settling time and PartID and is sent to TJU.It is overtime that TJU detects this ballot, abandons this ballot;
15): certain meeting participant presses phone button " 5 ", produces RTP and is grouped into DDU;
16): it is the RTP grouping of DTMF that DDU detects, and extracts its button number, grouping stamp settling time and PartID and is sent to TJU;
17): TJU does not find this key assignments in mapping table, differentiates to be invalid key, sends " invalid key " message and gives TVB;
18): TVB sends voice to the button person, and what inform that it imports is invalid key;
19): the host presses default " * " button of telephone terminal, produces RTP and is grouped into DDU;
20): it is the RTP grouping of DTMF that DDU detects, and extracts its button number, grouping stamp settling time and PartID and sends TJU;
21): TJU is confirmed to be the poll closing button and its PartID has this authority, sends end to TVB;
22): TVB send can poll closing voice to all convention goers.
In addition, IP phone and media gateway also can will be converted to the RTP grouping among the present invention after dtmf signal and the voice mixing, be that RTP grouping load is the mixed signal of DTMF and voice, adopt the ballot in the workflow realization voice conferencing same as the previously described embodiments then.
Further, IP phone and media gateway also can be converted to dtmf signal the INFO request (defining among the RFC2976) of SIP, transmit along control access CSCF-＞AS-＞MRFC, and MRFC asks to vote operation according to the INFO that receives.
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 (10)
1. the voice-conference voting system based on IMS comprises media resource function processing MRFP and terminal, it is characterized in that, described media resource function is handled MRFP and comprised dtmf signal detecting unit, ballot decision unit and poll unit, wherein:
The dtmf signal detecting unit is used to detect the dtmf signal that receives, and extracts button number and voter PartID wherein and sends to the ballot decision unit;
The ballot decision unit number converts the button that receives to concrete ballot and voter PartID sends to the poll unit together;
Poll unit record ballot and corresponding voter PartID, the statistics poll.
2. ballot system as claimed in claim 1 is characterized in that, also comprises ballot voice case, is used for playing corresponding prompt voice according to the information from the poll unit.
3. ballot system as claimed in claim 1 is characterized in that, described dtmf signal is the RTP payload format of RFC2833 definition, and described dtmf signal is directly produced by terminal or produces after gateway processes.
4. ballot system as claimed in claim 1, it is characterized in that, ballot is provided with mapping table in the decision unit, and this mapping table is used to be provided with the mapping relations between terminal push number, button number represented incident and the authority, and the terminal push that does not have in the mapping table number is represented invalid button.
5. ballot system as claimed in claim 4 is characterized in that, also comprises ballot voice case, plays corresponding prompt voice according to the information from the poll unit;
The ballot decision unit is with the button that receives number and voter PartID and the comparison of described mapping table, when the relation of button number and voter PartID was inconsistent with mapping table, the ballot decision unit sent to the voice case of voting with " button is invalid " or " authority is limited " information.
6. ballot system as claimed in claim 1 is characterized in that, described poll unit also comprises searches the unit, searches the unit and searches the voter PartID that whether has the ballot correspondence that receives in the record, if having, then abandons the up-to-date ballot that receives.
7. ballot system as claimed in claim 1 is characterized in that, described terminal is handled MRFP by integrated access equipment and media resource function and is connected; Perhaps described terminal is handled MRFP by media gateway and media resource function and is connected.
8. network equipment, be used for the voice-conference voting system based on IMS, it is characterized in that, comprising: media resource function is handled MRFP, described media resource function is handled MRFP and is comprised dtmf signal detecting unit, ballot decision unit and poll unit, wherein:
The dtmf signal detecting unit is used for the dtmf signal that sense terminals is sent, and extracts button number and voter PartID wherein and sends to the ballot decision unit;
The ballot decision unit number converts the button that receives to concrete ballot and voter PartID sends to the poll unit together;
Poll unit record ballot and corresponding voter PartID, the statistics poll.
9. the network equipment as claimed in claim 8 is characterized in that, also comprises ballot voice case, plays corresponding prompt voice according to the information from the poll unit.
10. the network equipment as claimed in claim 8 or 9 is characterized in that, described dtmf signal is the RTP payload format of RFC2833 definition, and described dtmf signal is directly produced by terminal or produces after gateway processes.
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| CN200610062945A CN1968112B (en) | 2006-09-29 | 2006-09-29 | IMS-based voice-conference voting system and network device |
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| CN200610062945A CN1968112B (en) | 2006-09-29 | 2006-09-29 | IMS-based voice-conference voting system and network device |
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| CN1968112B true CN1968112B (en) | 2010-05-12 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101593589B1 (en) | 2009-07-17 | 2016-02-12 | 삼성전자주식회사 | Method and apparatus for multi-party call |
| CN102394994B (en) * | 2011-11-02 | 2013-09-25 | 上海市共进通信技术有限公司 | Method for realizing remote simulation key control based on telephone |
| CN104954159A (en) * | 2014-03-27 | 2015-09-30 | 腾讯科技（北京）有限公司 | Network information statistics method and device |
| KR102460105B1 (en) * | 2016-05-03 | 2022-10-27 | 삼성에스디에스 주식회사 | Method for providing conference service and apparatus thereof |
| CN106294675A (en) * | 2016-08-05 | 2017-01-04 | 乐视控股（北京）有限公司 | A kind of vote information generates method, generating means and electronic equipment thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6324266B1 (en) * | 1997-11-13 | 2001-11-27 | British Telecommunications Public Limited Company | Information gathering system |
| KR20040002811A (en) * | 2003-09-25 | 2004-01-07 | 정영훈 | Participation broadcasting and auction broadcasting |
| JP2004236196A (en) * | 2003-01-31 | 2004-08-19 | Ud:Kk | Conference method, conference system, information processor, and computer program |
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2006
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6324266B1 (en) * | 1997-11-13 | 2001-11-27 | British Telecommunications Public Limited Company | Information gathering system |
| JP2004236196A (en) * | 2003-01-31 | 2004-08-19 | Ud:Kk | Conference method, conference system, information processor, and computer program |
| KR20040002811A (en) * | 2003-09-25 | 2004-01-07 | 정영훈 | Participation broadcasting and auction broadcasting |
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