CN101511058B - Method and system for holding conference call - Google Patents
Method and system for holding conference call Download PDFInfo
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- CN101511058B CN101511058B CN2009101271832A CN200910127183A CN101511058B CN 101511058 B CN101511058 B CN 101511058B CN 2009101271832 A CN2009101271832 A CN 2009101271832A CN 200910127183 A CN200910127183 A CN 200910127183A CN 101511058 B CN101511058 B CN 101511058B
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Abstract
The invention discloses a method for keeping conference calling and a system thereof. The method includes steps as follows: a calling keeping service equipment receives a calling keeping information come from a user equipment; the calling keeping service equipment confirms the receiving side of the calling keeping information being a conference service equipment and sends the calling keeping information to the conference service equipment. The conference participant can not listen a keeping sound in the conference calling keeping process by using the technique scheme provided by the invention, accordingly, interference by the keeping sound to the conference can be avoided and the conference is processed normally.
Description
Technical field
The present invention relates to the multimedia communication technology field, a kind of Conference Calling that relates in particular in the multimedia communication technology field keeps method and system.
Background technology
Network interconnection agreement (Internet Protocol abbreviates IP as) IP multimedia subsystem, IMS (IPMultimedia Core Network Subsystem abbreviates IMS as) is by third generation partner program (3
RdGeneration Partnership Project, abbreviate 3GPP as) a kind of IP-based network framework of proposing, this network architecture has made up an opening and service environment flexibly, can support multimedia application, and can provide abundant multimedia service for the user.
In the IMS business system, key-course separates with operation layer, and key-course does not provide concrete business, and the functions such as necessary triggering, route, charging only are provided to operation layer.Professional triggering and controlled function are to be finished by CSCF (Call SessionControl Function abbreviates CSCF as) in the key-course.Wherein, CSCF can be divided into proxy CSCF (Proxy CSCF abbreviates P-CSCF as), three types of inquiry CSCF (Interrogating, CSCF abbreviate I-CSCF as) and serving CSCFs (Serving CSCF abbreviates S-CSCF as).Operation layer provides concrete business service, can be made up of a series of application servers (Application Server abbreviates AS as).Wherein, AS can be an independent entity, also can be arranged in S-CSCF.Key-course (S-CSCF) calls the business on the AS according to user's professional triggering of CAMEL-Subscription-Information control, realizes business function.AS and S-CSCF can be referred to as service equipment (Server Equipment abbreviates SE as).End-to-end equipment in the session is called subscriber equipment (User Equipment abbreviates UE as), is responsible for mutual with the user.The above-mentioned functions entity uses initialization conference protocol (SessionInitiation Protocol abbreviates SIP as) agreement communication.
Call hold service is a kind of business among the IMS, in this business, when two users (for example, user A and user B) in communication system, set up conversation after, one of them user (for example, user A) can hold the line, temporarily ask remote subscriber (user B) to keep current talking to connect, but do not carry out voice transfer.When hold mode, user A can ask user B again to change talking state over to from hold mode, namely is called call recovery, namely keeps business to comprise and calls out maintenance and two processes of call recovery.
Convention business is the another kind of business among the IMS, and this business allows many people simultaneous session, and namely a people speaks, and other people can both listen to.In a conference service system, comprising: meeting SE, calling keep SE, a chairman and a plurality of conference member.Wherein, the chairman can initiate and the managerial meeting session; Meeting SE is managing all meetings.
The meeting participant can keep meeting in the process that participates in a conference, and carries out other operation (for example: initiate switching).Fig. 1 is the schematic flow sheet of initiating to keep meeting and playing holding tone according to subscriber equipment in the correlation technique.As shown in Figure 1, mainly may further comprise the steps (step S101-step S109):
Step S101: subscriber equipment is to call out keeping the service equipment maintenance message that makes a call;
Step S103: call out the maintenance service equipment and be triggered, according to keeping professional judgment criterion, apply for the holding tone resource;
Step S105: call out to keep service equipment to the conference service equipment maintenance message that makes a call, trigger conference service equipment;
Step S107: after calling keeps service equipment and conference service equipment to keep response mutual, finish media negotiation, conference service equipment keeps service equipment to return the maintenance response to calling out, and calls out to keep service equipment that above-mentioned maintenance response is returned to subscriber equipment;
Step S109: after subscriber equipment sends and keeps acknowledge message, call out the maintenance service equipment and play the holding tone operation, the meeting participant can both the uppick holding tone.
In above-mentioned flow process, in the Conference Calling keep-process, the meeting participant can the uppick holding tone, thereby has affected normally carrying out of meeting; And, if a plurality of conference member all carries out above-mentioned maintenance operation, then will cause a plurality of holding tones of simultaneously uppick of each IMS conference medium passage, thereby disturb normally carrying out of meeting.
Summary of the invention
In view of this, the invention provides a kind of improved Conference Calling and keep scheme, the problem of meeting being disturbed in order to the holding tone that solves in the existing call maintenance business.
According to an aspect of the present invention, at first provide a kind of Conference Calling maintenance method.
Conference Calling keeping method according to the present invention comprises: call out the calling that keeps service equipment to receive from subscriber equipment and keep message; Above-mentioned calling keeps service equipment to determine that above-mentioned calling keeps the recipient of message to be conference service equipment, should call out to keep message to send to this conference service equipment.
Further, after above-mentioned calling kept the above-mentioned calling maintenance message of service equipment reception from subscriber equipment, this method can also comprise:
Call out and keep service equipment to keep the working method of the medium of message to be revised as unactivated state above-mentioned calling.
Further, call out the maintenance service equipment and send after the calling maintenance message, this method can also comprise:
Conference service equipment receives above-mentioned calling and keeps message, calls out the working method of the medium that keep message according to this, and the working method of upgrading conference service equipment respective channel medium is unactivated state.
Further, this method can also comprise after the working method of new tunnel medium more:
Conference service equipment keeps service equipment to send calling maintenance response message to subscriber equipment via calling out;
Calling maintenance service equipment receives above-mentioned calling and keeps response message, according to the medium property of above-mentioned calling maintenance message, revises the medium property that this calling keeps response message, after modification is finished, should call out the maintenance response message and send to subscriber equipment.
Further, before conference service equipment sent above-mentioned calling maintenance response message, this method also comprised: conference service renewal of the equipment local media resource.
Further, after calling maintenance service equipment sent above-mentioned calling maintenance response message, this method can also comprise:
Subscriber equipment receives above-mentioned calling and keeps response message, and sends the maintenance acknowledge message;
After calling keeps service equipment to receive above-mentioned maintenance acknowledge message, determine that keeping the recipient of acknowledge message is conference service equipment, sends above-mentioned maintenance acknowledge message to this conference service equipment.
Further, said method can also comprise:
Call out the recovery that keeps service equipment to receive from subscriber equipment and keep message, determine that this recovery keeps the recipient of message to be conference service equipment, should recover to keep message to send to conference service equipment, wherein, this recovery keeps message to be used to indicate the current session that is in the meeting hold mode of recovery;
Conference service equipment receives above-mentioned recovery and keeps message, and upgrading passage medium working method corresponding to this conference service equipment is reiving/transmitting state, and upgrades the local media resource, keeps service equipment to return to calling and recovers to keep response;
Calling out the above-mentioned recovery that keeps service equipment to receive keeps response to send to subscriber equipment.
According to another aspect of the present invention, also provide a kind of Conference Calling to keep system.
Conference Calling keeping system according to the present invention comprises: conference service equipment and calling keep service equipment.Wherein, call out the maintenance service equipment, comprising: first receiver module, first sending module and first update module.Wherein, first receiver module, the calling that is used to receive from subscriber equipment keeps message, and the calling that receives from conference service equipment keeps response message; First sending module is used for keeping message to be sent to conference service equipment above-mentioned calling; First update module is used for keeping the medium property of message to upgrade the medium property that above-mentioned calling keeps response message according to above-mentioned calling.Above-mentioned conference service equipment comprises: second receiver module, second update module and second sending module.Wherein, second receiver module is used for receiving the above-mentioned calling maintenance message that keeps service equipment from above-mentioned calling; Second update module is used for keeping message according to the above-mentioned calling that this second receiver module receives, and the working method of upgrading conference service equipment respective channel medium is unactivated state; Second sending module is used for sending the calling maintenance response message that keeps message in response to the above-mentioned calling that receives.
By above-mentioned at least one scheme of the present invention, call out and keep SE when receiving calling maintenance message, can not apply for the call hold tone resource, therefore, when the maintenance that receives UE is confirmed, can not keep sound, thereby solve the problem that keeps sound that meeting is disturbed, keep in the process of meeting and recovery meeting at conference member to the conference member broadcast, can be so that the meeting participant listen to the maintenance sound, thus normally carrying out of meeting guaranteed.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of writing, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide a further understanding of the present invention, and consists of the part of specification, is used for together with embodiments of the present invention explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the schematic flow sheet of initiating to keep meeting and playing holding tone according to subscriber equipment in the correlation technique;
Fig. 2 is the flow chart according to the Conference Calling maintenance method of the embodiment of the invention;
Fig. 3 is the schematic flow sheet according to the Conference Calling maintenance method of the embodiment of the invention one;
Fig. 4 is the schematic flow sheet that recovers keeping method according to the meeting of the embodiment of the invention two;
Fig. 5 is the structural representation that keeps system according to the Conference Calling of the embodiment of the invention;
Fig. 6 is the structural representation that Conference Calling according to the preferred embodiment of the invention keeps system.
Embodiment
Functional overview
Need make a call when keeping professional at conference member at of the prior art, because the meeting participant can both uppick keep sound, thereby the problem of disturbing meeting normally to carry out, the embodiment of the invention provides a kind of Conference Calling to keep method and system, in the technical scheme that the embodiment of the invention provides, subscriber equipment makes a call when keeping message, calls out to keep service equipment no longer to apply for keeping the sound resource, and revises the medium working method; The working method of the corresponding media channel of conference service equipment change meeting is a unactivated state.When subscriber equipment initiates to recover to keep message, call out the operation that keeps service equipment not need to stop to play holding tone; The working method of the corresponding media channel of conference service equipment change meeting is for receiving and the transmission state.
In the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Method embodiment
According to the embodiment of the invention, at first provide a kind of Conference Calling maintenance method.
Fig. 2 is the flow chart according to the Conference Calling maintenance method of the embodiment of the invention, as shown in Figure 2, mainly may further comprise the steps (step S201-step S203) according to the Conference Calling maintenance method of the embodiment of the invention:
Step S201: the calling that calling keeps service equipment to receive and initiates from subscriber equipment keeps message, and wherein, this calling maintenance message is used to indicate current sessions and enters the meeting hold mode from talking state;
In specific implementation process, call out and keep service equipment to be present in the session signaling path of conference service equipment and subscriber equipment, when subscriber equipment makes a call maintenance message, this calling keeps message at first to arrive calling and keeps service equipment, call out and keep service equipment after receiving this calling maintenance message, judge that at first this calling keeps whether recipient's (being the forward direction user) of message is conference service equipment, when determining that above-mentioned calling keeps the recipient of message to be conference service equipment, then determine the current conference call that just carrying out of subscriber equipment, then call out and keep service equipment no longer to apply for the holding tone resource, and the working method that will call out the medium that keep message is revised as unactivated state, after modification is finished, direct execution in step S203.Wherein, above-mentioned unactivated state is meant the state that neither transmission does not also receive.
Step S203: calling out the recipient who keeps service equipment to determine calling maintenance message is conference service equipment, will call out to keep message to send to conference service equipment.
In specific implementation process, conference service equipment receives above-mentioned calling and keeps after the message, and conference service equipment is called out the working method of the medium that keep message according to this, and the working method of upgrading conference service equipment respective channel medium is a unactivated state.
After the working method of new tunnel medium more, conference service equipment keeps service equipment to send to call out to subscriber equipment keeping response message via calling out; Call out the maintenance service equipment and receive this calling maintenance response message, according to the medium property of calling maintenance message, revise the medium property of calling maintenance response message, after modification is finished, will call out the maintenance response message and send to subscriber equipment.
Particularly, be (sendonly) state of only sending out when calling out the medium property that keeps message, then calling out the medium property that keeps response message is (recvonly) state of only receiving.
Particularly, before conference service equipment sent above-mentioned calling maintenance response message, conference service equipment also needed to upgrade the local media resource.
In specific implementation process, keep response at the subscriber equipment receipt of call, send the maintenance acknowledge message; After calling keeps service equipment to receive the maintenance acknowledge message, determine that keeping the recipient of acknowledge message is conference service equipment, keep acknowledge message to the transmission of conference service equipment.
When subscriber equipment need to enter in the situation of conference call state from calling out hold mode, subscriber equipment initiates to recover to keep message, call out the recovery that keeps service equipment to receive from subscriber equipment and keep message, determining to recover to keep the recipient of message is conference service equipment, to recover to keep message to send to conference service equipment, wherein, this recovery keeps message to be used to indicate the current session that is in the meeting hold mode of recovery.
Conference service equipment receives and recovers maintenance message, and the passage medium working method of renewal conference service equipment correspondence is a reiving/transmitting state, and upgrades the local media resource, keeps service equipment to return recovery maintenance response to calling out; Calling out the recovery that keeps service equipment to receive keeps response to send to subscriber equipment.
Embodiment one
Fig. 3 is the schematic flow sheet according to the Conference Calling maintenance method of the embodiment of the invention one.As shown in Figure 3, the Conference Calling maintenance method according to the embodiment of the invention one may further comprise the steps (step S301-step S319):
Step S301: subscriber equipment is to call out keeping the service equipment maintenance message that makes a call;
Step S303: call out the recipient who keeps service equipment to determine this calling maintenance message and be conference service equipment, do not apply for the holding tone resource, and keep the working method of the medium of message to be revised as unactivated state above-mentioned calling;
Step S305: call out the maintenance service equipment and send above-mentioned calling maintenance message to conference service equipment;
Step S307: conference service equipment is according to the working method of calling out the medium that keep message, and the working method of upgrading conference service equipment respective channel medium is a unactivated state, and upgrades the local media resource;
Step S309: conference service equipment will be called out and keep response to return to calling maintenance service equipment;
Step S311: call out maintenance service equipment receipt of call and keep response message, according to calling out the medium property that keeps message, revise the medium property that calling keeps response message;
Step S313: after modification is finished, calling maintenance service equipment will be called out and keep response message to send to subscriber equipment;
Step S315: the subscriber equipment receipt of call keeps response, sends to keep acknowledge message;
Step S317: after calling keeps service equipment to receive the maintenance acknowledge message, determine that keeping the recipient of acknowledge message is conference service equipment, keep acknowledge message to the transmission of conference service equipment;
Step S319: call out the operation that maintenance SE does not carry out the normal play holding tone, last meeting participant can't hear holding tone, can carry out normal talking.
Further, above-mentioned subscriber equipment can be for one or more, and each subscriber equipment all can be called out and keep operation, according to above step, can reach identical effect.Particularly, above-mentioned subscriber equipment can be the conference member subscriber equipment, also can be chairman's subscriber equipment, calls out to keep service equipment as long as judge to end subscriber to be conference service equipment, then can unify to process.
Fig. 4 is the schematic flow sheet that recovers keeping method according to the meeting of the embodiment of the invention two.This meeting recovers maintenance method and can be used with the Conference Calling maintenance method among Fig. 3, as shown in Figure 4, recovers the maintenance method according to the meeting of the embodiment of the invention two and may further comprise the steps (step S401-step S417):
Step S401: need to enter in the situation of conference call state from calling out hold mode at subscriber equipment, subscriber equipment keeps service equipment to send recovery maintenance message to calling out, wherein, this recovery keeps message to be used to indicate the current session that is in the meeting hold mode of recovery;
Step S403: calling out the recipient who keeps service equipment to determine recovery maintenance message is conference service equipment, directly recovers to keep operation;
Owing to when calling out maintenance, call out the maintenance service equipment and do not play holding tone, therefore, when recovering to call out, do not need to carry out the operation that stops to play holding tone;
Step S405: call out the maintenance service equipment and send above-mentioned recovery maintenance message to conference service equipment;
Step S407: conference service equipment receives above-mentioned recovery and keeps message, and the passage medium working method of upgrading conference service equipment correspondence is a reiving/transmitting state, and upgrades the local media resource;
Step S409: conference service equipment will recover to keep response to return to calling maintenance service equipment;
Step S411: call out the maintenance service equipment and return recovery maintenance response to subscriber equipment;
Step S413: subscriber equipment receives and recovers to keep response, sends and recovers to keep acknowledge message;
Step S415: after calling keeps service equipment to receive recovery maintenance acknowledge message, determine that it is conference service equipment that this recovery keeps the recipient of acknowledge message, sends recovery maintenance acknowledge message to conference service equipment;
Step S417: after conference service equipment received above-mentioned recovery maintenance acknowledge message, the subscriber equipment that request call keeps can enter meeting once more, carries out normal talking.
Further, above-mentioned subscriber equipment can be for one or more, and each subscriber equipment all can be carried out and recover to keep operation, according to above step, can reach identical effect.Wherein, above-mentioned subscriber equipment can be the conference member subscriber equipment, also can be chairman's subscriber equipment, calls out to keep service equipment as long as judge to end subscriber to be conference service equipment, then can unify to process.
System embodiment
According to the embodiment of the invention, a kind of Conference Calling keeping system also is provided, this system can be used for implementing the above-mentioned Conference Calling keeping method that the embodiment of the invention provides.
Fig. 5 is the structural representation that keeps system according to the Conference Calling of the embodiment of the invention.As shown in Figure 5, the Conference Calling keeping system according to the embodiment of the invention comprises maintenance service equipment 1 and the conference service equipment 2 called out.
Particularly, calling out maintenance service equipment 1 can comprise: first receiver module 10, first sending module 12 and first update module 14.Wherein, the calling that first receiver module 10 is used to receive from subscriber equipment keeps message, and the calling that receives from conference service equipment 2 keeps response message; First sending module 12 is connected with first receiver module 10, is used for keeping message to be sent to conference service equipment 2 above-mentioned calling; First update module 14 is connected with first receiver module 10, is used for according to calling out the medium property that the medium property updating call that keeps message keeps response message;
In specific implementation process, first update module 14, the working method that can also be used to upgrade conference service equipment respective channel medium is a unactivated state; First receiver module 10 can also be used to receive the maintenance acknowledge message from subscriber equipment; Accordingly, first sending module 12 can also be used for the maintenance acknowledge message is sent to conference service equipment 2.
Particularly, conference service equipment 2 can comprise second receiver module 20, second update module 22 and second sending module 24.Wherein, second receiver module 20 is used for receiving the calling maintenance message that keeps SE from calling out; Second update module 22 is connected with second receiver module 20, and the calling that is used for receiving according to second receiver module 20 keeps message, and the working method of upgrading conference service equipment respective channel medium is unactivated state; Second sending module 24 is connected with second update module 22, is used for sending calling out keeping response message.
In specific implementation process, second update module 22 can also be used to upgrade the local media resource.
When user equipment requests is recovered to keep, be that subscriber equipment need to be from calling out hold mode enter meeting normal talking state the time, first receiver module 10 can also be used for receiving recovery from subscriber equipment and keep message and keep response from the recovery of subscriber equipment; Accordingly, first sending module 12 can also be used for keeping message to be sent to conference service equipment 2 above-mentioned recovery, will recover to keep response to be sent to subscriber equipment; Second receiver module 20 also is used for receiving from calling out the recovery that keeps service equipment and keeps message and recover to keep acknowledge message; Second sending module 24 can also be used for recovering to keep response to be sent to and call out maintenance service equipment 1; The passage medium working method that second update module 22 also is used for renewal conference service equipment 2 correspondences is reiving/transmitting state, and upgrades the local media resource.
Fig. 6 is the structural representation that Conference Calling according to the preferred embodiment of the invention keeps system.As shown in Figure 6, Conference Calling keeps the calling of system to keep service equipment 1 can also comprise determination module 16 according to the preferred embodiment of the invention, be used for after subscriber equipment makes a call maintenance message, determine that it is conference service equipment 2 that calling keeps the recipient of message, triggers first sending module 12.
And determination module 16 can also be used for after subscriber equipment initiates to recover to keep message, and determining to recover to keep the recipient of message is conference service equipment 2.
As mentioned above, the technical scheme that provides by the embodiment of the invention, when chairman or one or more conference member requirement maintenance meeting, other meeting participants are owing to can't hear call hold tone, can be interference-free, thereby make meeting normally to carry out, also reduced the unnecessary use that keeps the sound media resource simultaneously; Require also can enter meeting normal talking state once more when the meeting hold mode enters the conference call state at chairman or one or more conference member.Owing to call out to keep service equipment only need judge that to end subscriber be conference service equipment, namely can unify to process, thereby, all meeting participants can be reached and the meeting operation can both be kept, and other participants interference-free effect of conversing.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a Conference Calling maintenance method is characterized in that, comprising:
Call out the calling that keeps service equipment to receive and keep message from subscriber equipment;
Described calling keeps service equipment to determine that described calling keeps the recipient of message to be conference service equipment, keeps message to send to described conference service equipment described calling;
After described calling kept the described calling maintenance message of service equipment reception from described subscriber equipment, also comprise: described calling kept service equipment to keep the working method of the medium of message to be revised as unactivated state described calling; After described calling maintenance service equipment sends described calling maintenance message, described conference service equipment receives described calling and keeps message, keep the working method of the medium of message according to described calling, the working method of upgrading described conference service equipment respective channel medium is unactivated state.
2. method according to claim 1 is characterized in that, after the working method of upgrading described passage medium, described method also comprises:
Described conference service equipment keeps service equipment to send to call out to described subscriber equipment via described calling and keeps response message;
Described calling keeps service equipment to receive described calling and keeps response message, the medium property that keeps message according to described calling, revise the medium property that described calling keeps response message, after modification is finished, keep response message to send to described subscriber equipment described calling.
3. method according to claim 2 is characterized in that, before described conference service equipment sent described calling maintenance response message, described method also comprised:
Described conference service renewal of the equipment local media resource.
4. method according to claim 3 is characterized in that, after described calling maintenance service equipment sent described calling maintenance response message, described method also comprises: described subscriber equipment received described calling and keeps response message, sends to keep acknowledge message;
After described calling keeps service equipment to receive described maintenance acknowledge message, determine that the recipient of described maintenance acknowledge message for described conference service equipment, sends described maintenance acknowledge message to described conference service equipment.
5. according to each described method in the claim 1 to 4, it is characterized in that described method also comprises:
The recovery that described calling keeps service equipment to receive from described subscriber equipment keeps message, determine that described recovery keeps the recipient of message to be described conference service equipment, keep message to send to described conference service equipment described recovery, wherein, described recovery keeps message to be used to indicate the current session that is in the meeting hold mode of recovery;
Described conference service equipment receives described recovery and keeps message, and upgrading passage medium working method corresponding to described conference service equipment is reiving/transmitting state, and upgrades the local media resource, keeps service equipment to return to described calling and recovers to keep response;
The described recovery that described calling keeps service equipment to receive keeps response to send to described subscriber equipment.
6. a Conference Calling keeps system, it is characterized in that, comprising: conference service equipment and calling keep service equipment, wherein,
Described calling keeps service equipment, comprising:
First receiver module, the calling that is used for receiving from subscriber equipment keeps message, and the calling that receives from described conference service equipment keeps response message;
First sending module is used for keeping message to be sent to described conference service equipment described calling;
First update module is used for keeping the medium property of message to upgrade the medium property that described calling keeps response message according to described calling;
Described conference service equipment comprises:
Second receiver module is used for receiving the described calling maintenance message that keeps service equipment from described calling;
Second update module is used for keeping message according to the described calling that described second receiver module receives, and the working method of upgrading described conference service equipment respective channel medium is a unactivated state;
Second sending module is used for sending described calling and keeps response message.
7. system according to claim 6 is characterized in that, described calling keeps service equipment also to comprise:
Determination module is used for determining that it is described conference service equipment that described calling keeps the recipient of message, triggers described first sending module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101271832A CN101511058B (en) | 2009-03-16 | 2009-03-16 | Method and system for holding conference call |
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| CN2009101271832A CN101511058B (en) | 2009-03-16 | 2009-03-16 | Method and system for holding conference call |
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| CN101511058A CN101511058A (en) | 2009-08-19 |
| CN101511058B true CN101511058B (en) | 2011-07-13 |
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| CN2009101271832A Expired - Fee Related CN101511058B (en) | 2009-03-16 | 2009-03-16 | Method and system for holding conference call |
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| IN2014DN06785A (en) | 2012-04-03 | 2015-05-22 | Ericsson Telefon Ab L M | |
| CN103916523B (en) * | 2013-01-06 | 2017-12-26 | 联想(北京)有限公司 | A kind of audio-frequency inputting method and electronic equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1250302A (en) * | 1998-08-21 | 2000-04-12 | 朗迅科技公司 | Method for solving problem of continuous music in telecommunication meeting |
| CN1545303A (en) * | 2003-11-10 | 2004-11-10 | ����ͨѶ�ɷ�����˾ | Method for implementing multi-party conference service in communication network with separated bearing and controlling |
| CN1968317A (en) * | 2005-11-18 | 2007-05-23 | 华为技术有限公司 | Method for implementing call waiting in packet domain |
| CN101217700A (en) * | 2008-01-16 | 2008-07-09 | 中兴通讯股份有限公司 | A method realizing holding on IMS network attendant console |
-
2009
- 2009-03-16 CN CN2009101271832A patent/CN101511058B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1250302A (en) * | 1998-08-21 | 2000-04-12 | 朗迅科技公司 | Method for solving problem of continuous music in telecommunication meeting |
| CN1545303A (en) * | 2003-11-10 | 2004-11-10 | ����ͨѶ�ɷ�����˾ | Method for implementing multi-party conference service in communication network with separated bearing and controlling |
| CN1968317A (en) * | 2005-11-18 | 2007-05-23 | 华为技术有限公司 | Method for implementing call waiting in packet domain |
| CN101217700A (en) * | 2008-01-16 | 2008-07-09 | 中兴通讯股份有限公司 | A method realizing holding on IMS network attendant console |
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| CN101511058A (en) | 2009-08-19 |
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