CN101764896A - Method, device and system for adding or removing conference participants in multi-party conference - Google Patents
Method, device and system for adding or removing conference participants in multi-party conference Download PDFInfo
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- CN101764896A CN101764896A CN200810189457A CN200810189457A CN101764896A CN 101764896 A CN101764896 A CN 101764896A CN 200810189457 A CN200810189457 A CN 200810189457A CN 200810189457 A CN200810189457 A CN 200810189457A CN 101764896 A CN101764896 A CN 101764896A
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Abstract
The embodiment of the invention provides a method, a device and a system for adding or removing conference participants in a multi-party conference. The method comprises the following steps: MSAN to which a first user facility belongs receives a FACILITY message transmitted by the first user facility for adding or removing conference participants; the first user facility is a participant of the multi-party conference and is a PSTN terminal or an ISDN terminal; the FACILITY message is mapped into a REFER message which is converted into an INVITE message for adding conference participants by AS or into a BYE message for removing conference participants; then the INVITE message or the BYE message is transmitted to the MSAN to which a second user facility belongs. With the technical proposal of the embodiment of the invention adopted, the traditional telephone terminal users can add conference participants in the process of the conference.
Description
Technical field
The present invention relates to communication technical field, increase or remove method, relevant device and the system of conferenced party in particularly a kind of Multi-Party Conference.
Background technology
NGN (Next Generation Network, next generation network) in the framework, IMS (IP MultimediaSubsystem, the IP multimedia system) and PSTN (Public Switched Telephone Network, PSTN)/ISDN (Integrated Services Digital Network, ISDN(Integrated Service Digital Network)) simulation subsystem is two crucial subsystems.Wherein, IMS is the core technology of next generation network, it can provide multimedia services such as audio frequency, video, literal, instant message, and employing SIP (Session InitialProtocol, conversation initialized protocol) comes bearing call control signaling as IMS key-course agreement, so that unified multimedia service to be provided.PSTN/ISDN Emulation Subsystem inserts by utilizing gateway or adapter, for the user of conventional telephone terminal in the NGN network provides business and the on all four business experience identical with existing P STN/ISDN complete network, make the user in using professional process, can perception to some extent owing to the great variety of its place network generation.
Defined in the prior art based on the IMS network architecture and used Session Initiation Protocol to realize the flow process of Multi-Party Conference, when wherein having defined calling subscriber A and being IMS user, how in Multi-Party Conference, to have increased conferenced party or remove the flow process of conferenced party.
The inventor finds that prior art has following problem in realizing process of the present invention:
When prior art has only defined calling subscriber A and has been IMS user, how in Conference, to increase the flow process of conferenced party or dismounting conferenced party, and do not describe for the calling subscriber be the conventional telephone terminal user (such as, ISDN terminal user or PSTN terminal use), how in Multi-Party Conference, to increase conferenced party or remove conferenced party.
Summary of the invention
The embodiment of the invention provides a kind of method, relevant device and system that increases or remove conferenced party in Multi-Party Conference, can realize that the conventional telephone terminal user increases in Multi-Party Conference or removes conferenced party.
In view of this, the embodiment of the invention provides:
Increase or remove the method for conferenced party in a kind of Multi-Party Conference, comprising:
The MSAN of first subscriber equipment ownership receives the facility FACILITY message that first subscriber equipment sends; Wherein, described first subscriber equipment is the conferenced party of described Multi-Party Conference, and is common exchanging telephone network PSTN terminal or integrated services digital network ISDN terminal; Described FACILITY message is: indication increases the FACILITY message of conferenced party, and perhaps the FACILITY message of conferenced party is removed in indication;
Described FACILITY message maps is become to shift REFER message, and send to the MSAN of second subscriber equipment ownership after described REFER message conversion being become to be used to indicate the invitation INVITE that increases conferenced party or be used to indicate goodbye BYE message of removing conferenced party by application server AS, make the MSAN of described second subscriber equipment ownership notify described second subscriber equipment to add or withdraw from described Multi-Party Conference.
A kind of network equipment comprises:
The message sink unit, be used to receive the FACILITY message that first subscriber equipment sends, wherein, described first subscriber equipment is the conferenced party of described Multi-Party Conference, and be common exchanging telephone network PSTN terminal or integrated services digital network ISDN terminal, described FACILITY message is: indication increases the FACILITY message of conferenced party, and perhaps the FACILITY message of conferenced party is removed in indication;
Map unit is used for described FACILITY message maps is become REFER message;
Message sending unit is used for sending described REFER message to AS.
A kind of network system comprises: the MSAN of first subscriber equipment ownership, and the MSAN of AS and second subscriber equipment ownership, wherein,
The MSAN of first subscriber equipment ownership is used to receive the FACILITY message that first subscriber equipment sends, and described FACILITY message maps is become to shift REFER message, sends described REFER message to application server AS; Wherein, described first subscriber equipment is the conferenced party of described Multi-Party Conference, and is common exchanging telephone network PSTN terminal or integrated services digital network ISDN terminal; Described FACILITY message is: indication increases the FACILITY message of conferenced party, and perhaps the FACILITY message of conferenced party is removed in indication;
AS is used for described REFER message conversion being become to be used to indicate the invitation INVITE that increases conferenced party or being used to indicate the MSAN that belongs to second subscriber equipment after goodbye BYE message of removing conferenced party to send;
The MSAN of second subscriber equipment ownership is used for according to described INVITE or described BYE message, notifies the adding of second subscriber equipment or withdraws from described Multi-Party Conference.
MSAN (the Multi-service AccessNode of first subscriber equipment ownership in the embodiment of the invention, MSAN) after receiving the facility FACILITY message that is used to indicate increase conferenced party or remove conferenced party of first subscriber equipment transmission, it is mapped to REFER message, signaling mapping mode between digital user signalling (DSS1) and the sip message is provided, has made based on carrying out correct effectively information interaction between the conventional telephone terminal of Digital Subscriber Signaling No.1 and the equipment based on the IMS system of SIP signaling; The MSAN of first subscriber equipment ownership is by AS (ApplicationServer then, application server) the REFER message conversion is become the MSAN that sends to second subscriber equipment ownership after being used to the indicating invitation INVITE that increases conferenced party or being used to indicate goodbye BYE message of removing conferenced party, make the MSAN of second subscriber equipment ownership notify the adding of second subscriber equipment or withdraw from Multi-Party Conference, to realize that conventional telephone terminal increases or remove the purpose of conferenced party in Multi-Party Conference, traditional like this telephone terminal then can use Conference based on the IMS network of a new generation, improve the IMS network to the conventional terminal compatibility, and then improved the user satisfaction of user in the competitiveness of IMS network and this network.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Increase the method flow diagram of conferenced party in the Multi-Party Conference that Fig. 1 provides for the embodiment of the invention one;
Remove the method flow diagram of conferenced party in the Multi-Party Conference that Fig. 2 provides for the embodiment of the invention two;
The network equipment structure chart that Fig. 3 provides for the embodiment of the invention three.
Embodiment
The embodiment of the invention provides the method that increases or remove conferenced party in a kind of Multi-Party Conference,
Wherein, the method for increase conferenced party comprises in the Multi-Party Conference: the MSAN of first subscriber equipment ownership receives the FACILITY message that first subscriber equipment sends; Wherein, first subscriber equipment is the conferenced party of Multi-Party Conference, and is PSTN terminal or ISDN terminal; This FACILITY message is: indication increases the FACILITY message of conferenced party; The FACILITY message maps is become REFER message, and the REFER message conversion is become to be used to indicate the MSAN that sends to second subscriber equipment ownership behind the INVITE that increases conferenced party by AS, make the MSAN of second subscriber equipment ownership notify second subscriber equipment to add Multi-Party Conference.
Concrete, first subscriber equipment can be the subscriber equipment A in the subsequent embodiment one in this method, second subscriber equipment can be the subscriber equipment C in the subsequent embodiment one.
Wherein, remove the method for conferenced party in the Multi-Party Conference, comprising: the MSAN of first subscriber equipment ownership receives the FACILITY message that first subscriber equipment sends; Wherein, first subscriber equipment is the conferenced party of described Multi-Party Conference, and is PSTN terminal or ISDN terminal; This FACILITY message is: the FACILITY message of conferenced party is removed in indication; This FACILITY message maps is become REFER message, and the REFER message conversion is become to be used to indicate the MSAN that sends to second subscriber equipment ownership after the BYE message of removing conferenced party by AS, make the MSAN of second subscriber equipment ownership notify second subscriber equipment to withdraw from Multi-Party Conference.
Concrete, first subscriber equipment can be the subscriber equipment A in the subsequent embodiment two in this method, second subscriber equipment can be the subscriber equipment B in the subsequent embodiment two.
Need to prove: Multi-Party Conference is different with tripartite talks on the Signalling exchange flow process, and participation Multi-Party Conference user's impression is also inequality with the impression that participates in the tripartite talks user.
The MSAN of above-mentioned first subscriber equipment ownership has VGW (Voice over IP Gateway, voice gateways)/AGW (Access Gateway, IAD) function, the digital user signalling (DSS1) of its termination user side, and the mapping between realization DSS1 and the SIP signaling, specifically can use Q.931 agreement, by UNI (User-to-Network Interface, user-network interface) and first communications of user equipment, use Session Initiation Protocol, by NNI (Network-to-Network Interface, Network-Network interface) communicate by letter with other network componentses (such as AS), transmitting relevant sip message, agreement is then finished to the conversion mapping function of Session Initiation Protocol in this MSAN inside Q.931.
Consult Fig. 1, the embodiment of the invention one provides the method that increases conferenced party in a kind of Multi-Party Conference, and this method specifically comprises:
101, set up Multi-Party Conference, wherein conferenced party comprises subscriber equipment A and subscriber equipment B.
Wherein, AS serves as MRFC (Multimedia Resource Function Controller, media resource controller) functional entity control MRFP (Multimedia Resource Function Processor, media resource processor) provides conferencing resource.
102, receiving after user indication adds the instruction of meeting with subscriber equipment C as subscriber equipment A, making a call to the MSAN of subscriber equipment A ownership and set up request SETUP (CR2), setting up dialogue with subscriber equipment C with request.Wherein, CR2 represents session reference numbers 2.
103, the MSAN of subscriber equipment A ownership sends to AS and invites INVITE.
Comprise in this INVITE: from tag, information such as call ID, wherein, call ID is the label of this sip message, from tag is the used label of this dialogue subscriber equipment A.Wherein, this dialogue refers to the dialogue that setup requests SETUP (CR2) is asked.
104, AS sends INVITE to the MSAN of subscriber equipment C ownership.
105, the MSAN of subscriber equipment C ownership sends SETUP (CR2) message to subscriber equipment C.
106, subscriber equipment C sends to the MSAN of subscriber equipment C ownership and reminds Alerting (CR2) message.
107, the MSAN of subscriber equipment C ownership sends 180Ring (jingle bell) message to AS.
108, AS sends 180Ring message to the MSAN of subscriber equipment A ownership.
109, the MSAN of subscriber equipment A ownership sends Alerting (CR2) message to subscriber equipment A.
110, subscriber equipment C sends to the MSAN of subscriber equipment C ownership and connects CONNECT message.
111, the MSAN of subscriber equipment C ownership sends 200OK message to AS, carries in this 200OK message: to tag, to tag is the used label of this dialogue subscriber equipment C.
112, AS sends 200OK message to the MSAN of subscriber equipment A ownership, carries in this 200OK message: to tag.
113, the MSAN of subscriber equipment A ownership sends to AS and replys ACK message.
114, the MSAN of subscriber equipment A ownership sends to subscriber equipment A and connects CONNECT (CR2) message.
So far, the session establishment between subscriber equipment A and the subscriber equipment C; In step 112, the MSAN of subscriber equipment A is known from tag, to tag and call ID, and subscriber equipment A that this three can unique identification have set up and the dialogue between the subscriber equipment C are called dialogue identifier Dialog_AC.
115, subscriber equipment A sends facility FACILITY (CR2) message to the MSAN of subscriber equipment A ownership.
Concrete, subscriber equipment A its with subscriber equipment C between session path on send the MSAN that facility FACILITY (CR2) message belongs to subscriber equipment A; This FACILITY message belongs to DSS1 message, carry facilities information unit F ACILITY IE in this FACILITY message, carrying among this facilities information unit F ACILITY IE increases conferenced parties order addCONF parameter, this addCONF parameter is used to represent that subscriber equipment A will increase a conferenced party, comprise in the addCONF parameter: it is that Conference ID, this Conference ID are used for sign for which meeting.
116, the MSAN of subscriber equipment A ownership becomes to shift REFER message with FACILITY (CR2) message maps, and REFER message sent to AS, this REFER message is the message of Session Initiation Protocol, wherein, the MSAN of subscriber equipment A ownership distributes PartyID can for subscriber equipment C in this step, and this Party ID is the sign of subscriber equipment C in meeting.
Because FACILITY (CR2) sends on the dialogue paths of subscriber equipment A and subscriber equipment C, therefore after the MSAN of subscriber equipment A ownership receives this FACILITY (CR2) message, just know and be that request adds meeting with subscriber equipment C, so by the Session Initiation Protocol sign that can carry subscriber equipment C in FACILITY (CR2) the transfer REFER message that message was mapped to, the Session Initiation Protocol sign of this subscriber equipment C can be the URI of subscriber equipment C.
Concrete, REFER message and FACILITY message mapping relation are as shown in table 1:
Wherein, the FACILITY IE in second row represents the facilities information unit; AddCONF Invoke ARGUMENT SEQUENCE{Conference ID} in the third line represents: carry the addCONF parameter among the FACILITYIE, this addCONF parameter comprises: Conference ID.
Wherein, the Request URI in the REFER message is the local conference ID that preserves, and identical or corresponding with Conference ID in the FACILITY message, which meeting is used for sign is; Carry URI (Remote_UserC@domain) and the dialogue identifier (Dialog_AC) of the subscriber equipment C that will add meeting in its side of diverting the aim Refer-To header field; Wherein, Method=invite increases conferenced party's indication, represents that this REFER message is that request increases conferenced party.
Carry the URI of subscriber equipment A self in the Refer-By header field.
Wherein, the REFER message examples is as follows:
REFER?sip:[email protected]；lr?SIP/2.0
Call-ID：[email protected]
Contact：<sip:[email protected]:5060；transport＝udp；lr>
Content-Length：0
CSeq：2?REFER
From：<sip:[email protected]；lr>；tag＝a23d50ed
Max-Forwards：70
To：<sip:[email protected]；lr>；tag＝849765708
Via：SIP/2.0/UDP
192.168.0.56:5060；branch＝z9hG4bK8755d3c7d1630539b8121
Refer-To：
<sip:[email protected]；method＝INVITE；lr；Replaces＝6e6c156afe82d3c71c05235d2213f1eb％40192.168.0.56％3Bto-tag％3D2151350389％3Bfrom-tag％3Dfe82d3c7>
Referred-By：<sip:[email protected]；lr>
117, AS sends 202Accepted to the MSAN of subscriber equipment A ownership, and REFER message is accepted in expression.
118, AS sends the notice NOTIFY to the MSAN of subscriber equipment A ownership, and the MSAN that is used for notifying user equipment A waits for the response of subscriber equipment C.
119, the MSAN of subscriber equipment A sends 200OK message to AS.
120, AS sends INVITE to the MSAN of subscriber equipment C, and the Request URI in this INVITE is the URI of subscriber equipment C; Carry the dialogue identifier (Dialog_AC) between subscriber equipment A and the subscriber equipment C in the Replaces header field, also carry conversational services notice indication P-Service-Notification in this INVITE, carry adding session indication information among this P-Service-Notification, the ABNF of its P-Service-Notification (Augmented Backus-Naur Form) format description is as follows:
P-Service-Notification＝″P-Service-Notification″
HCOLON?notification
notification??????????＝″conference-established″
Wherein, conference-established is as adding the session indication information.
This INVITE example is as follows:
INVITE?sip:[email protected]；transport＝udp?SIP/2.0
Call-ID：d432fa84b4c76e66710
From：<sip:[email protected]>；tag＝43524545
To：<sip:[email protected]>
CSeq：1?INVITE
Contact：<sip:[email protected]>；isfocus
Max-Forwards：70
Supported：100rel，replaces
Replaces：[email protected]；to-tag＝5f35a3；from-tag＝8675309
P-Service-Notification：conference-established
Content-Length：...
Content-Type：application/sdp
Need among the Replaces in this INVITE of explanation Dialog_AC can with REFER in identical, also can be with REFER in the corresponding new Dialog_AC of Dialog_AC, promptly this moment AC oneself Dialog_AC among the REFER is mapped to a new Dialog_AC.
More than be to carry P-Service-Notification, also can expand the sip message body and carry P-Service-Notification by expansion SIP header field, referring to following INVITE:
INVITE?sip:[email protected]；transport＝udp?SIP/2.0
Call-ID：d432fa84b4c76e66710
From：<sip:[email protected]>；tag＝43524545
To：<sip:[email protected]>
CSeq：1?INVITE
Contact：<sip:[email protected]>；isfocus
Max-Forwards：70
Supported：100rel，replaces
Replaces：[email protected]；to-tag＝5f35a3；from-tag＝8675309
Content-Type：multipart/mixed；boundary＝Boundary42
--Boundary42
Content-Length：...
Content-Type：application/service-indication+xml
<？xml?version＝″1.0″encoding＝″UTF-8″？>
<service-indication>conference-established</service-indication>
--Boundary42
Content-Type：application/sdp
SDP_MRFP
--Boundary42
Because the flexibility of Session Initiation Protocol, also can expand in the Session Initiation Protocol parameter of header field and carry P-Service-Notification, do not influence realization of the present invention.
121, after the MSAN of subscriber equipment C ownership receives INVITE, INVITE is mapped to NOTIFY, send NOTIFY to subscriber equipment C, indication subscriber equipment C joins in the Multi-Party Conference, and its INVITE and NOTIFY mapping relations are as shown in table 2:
| INVITE | NOTIFY |
| ??P-Service-Notification | ??Notification?indicator?IE |
| ??conference?established | ??Notification?description：??1000010(Conference?established) |
Table 2
Wherein, conference established in the third line in the table 2 is the entrained content of P-Service-Notification in second row, and the Notification description:1000010 in the third line (Conference established) is the entrained content of notice indication information element Notificationindicator IE in second row.
122, the MSAN of subscriber equipment C ownership sends 200OK message as replying to AS.
123, AS sends ACK message to the MSAN of subscriber equipment C ownership.
124, AS sends NOTIFY to the MSAN of subscriber equipment A ownership, and expression subscriber equipment C successfully adds meeting.
125, the MSAN of subscriber equipment A ownership sends 200OK message as replying to AS.
126, the MSAN of subscriber equipment C ownership is according to the dialogue identifier Dialog_AC in the INVITE, when determining that subscriber equipment C adds the meeting success, need to discharge original subscriber equipment A that sets up and the dialogue between the subscriber equipment C, send BYE message to AS, discharge the subscriber equipment A of above-mentioned foundation and the dialogue between the subscriber equipment C with notice.
127, AS sends BYE message to the MSAN of subscriber equipment A ownership.
128, the MSAN of subscriber equipment A ownership sends 200OK message to AS.
129, AS sends 200OK message to the MSAN of subscriber equipment C ownership.
130, the MSAN of subscriber equipment A ownership sends to disconnect to subscriber equipment A and connects DISCONNECT (CR2) message, carry FACILITY IE in this message, carry the Party ID (the Party ID that in above-mentioned steps 116 distribute) of the MSAN of subscriber equipment A among the FACILITY IE, subscriber equipment C is added the meeting success with expression for subscriber equipment C distribution.
131, subscriber equipment A sends to discharge to the MSAN of subscriber equipment A ownership and connects RELEASE message.
132, the MSAN of subscriber equipment A ownership sends to discharge to connect to subscriber equipment A and finishes RELEASE COMPLETE message.
Wherein, step 126-132 information is in order to discharge subscriber equipment A that above-mentioned steps 102-step 114 sets up and the dialogue between the subscriber equipment C alternately.
133, AS sends to the MSAN of other conferenced partys (being subscriber equipment B in the embodiment of the invention) ownership and asks reINVITE message, the user portion in this reINVITE message in Request URI and the To header field to fill out the URI into other conferenced partys again; The dialogue ID that callID in this reINVITE message uses during with adding meeting that each conferenced party has before this set up is identical, fromtag is the label of subscriber equipment A, and the label that to tag uses when each conferenced party adds meeting before this respectively is identical; Need to carry P-Service-Notification in this reINVITE message, its ABNF format description is as follows:
P-Service-Notification＝″P-Service-Notification″
HCOLON?notification
notification??????????＝″other-party-added
Wherein, other-party-added represents to have its other party to add, and is meant the information that the third party adds meeting that is shown with.
But above-mentioned reINVITE message example is as follows:
INVITE?sip:[email protected]；transport＝udp?SIP/2.0
Call-ID：849392fklgl43
From：<sip:[email protected]>；tag＝5393k2312
To：<sip:[email protected]>；tag＝32331
CSeq：10?INVITE
Contact：<sip:[email protected]>；isfocus
Max-Forwards：70
Supported：100rel，replaces
P-Service-Notification：other-party-added
Content-Length：0
Above-mentioned reINVITE message is by the extended message head, to carry P-Service-Notification, also can carry P-Service-Notification by the extended message body, does not influence realization of the present invention.
134, the MSAN of subscriber equipment B ownership becomes NOTIFY with the reINVITE message maps, sends NOTIFY to subscriber equipment B.
Wherein, reINVITE message can be as shown in table 3 to the mapping relations of NOTIFY:
| ReINVITE message | NOTIFY |
| ??P-Service-Notification | ??Notification?Indicator?IE |
| ??other-party-added | ??Notification?description：??1000100：other?party?added |
Table 3
Wherein, other-party-added is meant the information that the third party adds meeting that is shown with.
135, the MSAN of subscriber equipment B ownership sends 200OK message to AS.
136, AS sends ACK message to the MSAN of subscriber equipment B ownership.
Wherein, step 133-136 can take place after step 123, also can take place simultaneously with step 120-step 123, does not influence realization of the present invention.
The MSAN of subscriber equipment A ownership is after the FACILITY that carries the addCONF parameter (CR2) message that receives subscriber equipment A transmission on the dialogue paths of subscriber equipment A and subscriber equipment C in the embodiment of the invention one, just know that this FACILITY message is that indication adds Multi-Party Conference with subscriber equipment C, send to AS after this FACILITY (CR2) message maps being become to carry the REFER message of URI of subscriber equipment C, AS becomes the MASN of INVITE rear line equipment C ownership to send the REFER message conversion, the MASN of subscriber equipment C ownership is according to this INVITE, notifying user equipment C adds Multi-Party Conference, to realize that the conventional telephone terminal user increases the purpose of conferenced party in Multi-Party Conference, traditional like this telephone terminal then can use Conference based on the IMS network of a new generation, improve the IMS network to the conventional terminal compatibility, and then improved the user satisfaction of user in the competitiveness of IMS network and this network.
Consult Fig. 2, the invention process two provides the method for removing conferenced party in a kind of Multi-Party Conference, and this method specifically comprises:
201, set up Multi-Party Conference, wherein conferenced party comprises subscriber equipment A, subscriber equipment B and subscriber equipment C.
202, after subscriber equipment A receives the instruction of user's indication deletion subscriber equipment B from meeting, MSAN to subscriber equipment A ownership sends FACILITY (CR1) message, carry FACILITY IE in this FACILITY message, carry among the FACILITY IE and remove conferenced parties order dropCONF parameter, carry sign Party ID and the ConferenceID of subscriber equipment B in meeting in this dropCONF parameter, expression requires subscriber equipment B to withdraw from meeting, and wherein, CR1 represents session reference number 1.
203, the MSAN of subscriber equipment A ownership becomes REFER message with FACILITY (CR1) message maps, sends this REFER message to AS, arrives the REFER message mapping as following table 4 expression FACILITY message:
Table 4
In the table 4, dropCONF Invoke ARGUMENT SEQUENCE{Conference ID, PartyID} is the content of FACILIYT IE, and expression facility cell FACILIYT IE comprises the dropCONF parameter, carries Party ID and the Conference ID of subscriber equipment B in this dropCONF parameter.
Wherein, Request URI is the conference ID of this meeting in the REFER message, and is identical, perhaps corresponding with conference ID among the FACILIYT IE, to represent this meeting; Comprise Remote_UserB@domain in the Refer-to header field in the REFER message, be the URI of subscriber equipment B, wherein, Method=BYE removes conferenced party's indication, being used to represent that this REFER message is used to indicate dismounting conferenced party, is the URI of subscriber equipment A in the Referred-By header field.
REFER message examples in this step is as follows:
REFER?sip:[email protected]；lr?SIP/2.0
Call-ID：[email protected]
Contact：<sip:[email protected]:5060；transport＝udp；lr>
Content-Length：0
CSeq：2?REFER
From：<sip:[email protected]；lr>；tag＝a23d50ed
Max-Forwards：70
To：<sip:[email protected]；lr>；tag＝849765708
Via：SIP/2.0/UDP
192.168.0.56:5060；branch＝z9hG4bK8755d3c7d1630539b8121
Refer-To：<sip:[email protected]；method＝BYE>
Referred-By：<sip:[email protected]>
204, AS sends 202Accepted message to the MSAN of subscriber equipment A ownership.
205, AS sends NOTIFY to the MSAN of subscriber equipment A ownership, waits for the response of subscriber equipment B with the MSAN of notifying user equipment A ownership.
206, the MSAN of subscriber equipment A ownership sends 200OK message to AS.
207, AS sends BYE message to the MSAN of subscriber equipment B ownership, and the conversation of subscriber equipment B is removed in request.
208, the MSAN of subscriber equipment B ownership sends DISCONNECT message to subscriber equipment B, and notifying user equipment B withdraws from Multi-Party Conference.
209, subscriber equipment B sends to discharge to the MSAN of subscriber equipment B ownership and connects Release message, and expression discharges the session connection of subscriber equipment B.
210, the MSAN of subscriber equipment B ownership sends 200OK message to AS, the replying of the BYE message that sends as AS.
211, the MSAN of subscriber equipment B ownership sends to discharge to connect to subscriber equipment B and finishes ReleaseComplete message, and expression discharges the session connection of subscriber equipment B and finishes.
212, AS sends NOTIFY to the MSAN of subscriber equipment A ownership, and B withdraws from meeting with notifying user equipment.
213, the MSAN of subscriber equipment A ownership sends 200OK message to AS.
214, the MSAN of subscriber equipment A ownership sends FACILITY (CR1) message to subscriber equipment A, carries Facility IE in this message, carries the dropCONF-retres parameter among the Facility IE, and expression subscriber equipment B withdraws from meeting.
215, the MSAN of subscriber equipment A ownership sends reINVITE message to the MSAN of subscriber equipment C ownership, has the third party to withdraw from meeting with notice.
User portion in this reINVITE message in Request URI and the To header field fills out the URI into subscriber equipment C; The dialogue ID that call ID in this reINVITE message uses when adding meeting with subscriber equipment C before this is identical, and from tag is the label of subscriber equipment A, and the label that to tag uses during with the meeting of subscriber equipment C adding before this is identical; Need to carry P-Service-Notification in this reINVITE message, its ABNF format description is as follows:
P-Service-Notification＝″P-Service-Notification″
HCOLON?notification
notification??????????＝″other-party-disconnected”
This reINVITE message examples is as follows:
INVITE?sip:[email protected]；transport＝udp?SIP/2.0
Call-ID：849392fklgl43
From：<sip:[email protected]>；tag＝5393k2312
To：<sip:[email protected]>；tag＝32331
CSeq：10?INVITE
Contact：<sip:[email protected]>；isfocus
Max-Forwards：70
Supported：100rel，replaces
P-Service-Notification：other-party-disconnected
Content-Length：0
Above-mentioned reINVITE message is by the extended message head, to carry P-Service-Notification, also can carry P-Service-Notification by the extended message body, does not influence realization of the present invention.
216, the MSAN of subscriber equipment C ownership becomes NOTIFY with the reINVITE message maps, sends to subscriber equipment C.
Wherein, reINVITE message can be as shown in table 5 to the mapping relations of NOTIFY:
| NOTIFY | ← reINVITE message |
| ?Notification?indicator?IE | ??P-Service-Notification |
| ??Notification?description：??1000011：Other?party?disconnected | ??other-party-disconnected |
Table 5
Wherein, other-party-disconnected is the content of carrying among the P-Service-Notification, and Notification description:1000011:Other party disconnected is the content of carrying among the NotificationIndicator IE.
217, the MSAN of subscriber equipment C ownership sends 200OK message to AS.
218, AS sends ACK message to the MSAN of subscriber equipment C ownership.
Carry dropCONF and the sign of subscriber equipment B in Multi-Party Conference among the FACILITY that the MSAN of subscriber equipment A ownership receives in the embodiment of the invention two, can determine that thus subscriber equipment B need withdraw from Multi-Party Conference, this FACILITY is mapped to the FEFER message of the Session Initiation Protocol sign of carrying subscriber equipment B, send to AS, AS becomes the MSAN of BYE message rear line equipment B ownership to send this REFER message conversion, the MSAN of this subscriber equipment B ownership is according to BYE message, notifying user equipment B withdraws from Multi-Party Conference, realize that the conventional telephone terminal user removes the purpose of conferenced party, traditional like this telephone terminal then can use Conference based on the IMS network of a new generation, improve the IMS network to the conventional terminal compatibility, and then improved the user satisfaction of user in the competitiveness of IMS network and this network.
Consult Fig. 3, the embodiment of the invention three provides a kind of network equipment, and this network equipment can be the MSAN of first subscriber equipment ownership, i.e. the MSAN of the ownership of the subscriber equipment A among the foregoing description one and the embodiment two, and this network equipment comprises:
Wherein, map unit 302 can be IWF (Inter Working Function, IWF) unit;
Concrete, message sink unit 301 comprises: the session establishment unit is used to set up the dialogue paths between second subscriber equipment of first subscriber equipment and Multi-Party Conference to be added; With user side message sink unit, be used on described dialogue paths, receiving the FACILITY message that is used to indicate increase conferenced party that first subscriber equipment sends.
Concrete, be used for indicating the FACILITY message that increases conferenced party to carry the addCONF parameter; Be used for indicating the FACILITY message of removing conferenced party to carry dropCONF parameter and the sign of second subscriber equipment in meeting to be removed;
Accordingly, map unit 302 comprises:
First map unit, the FACILITY message maps that is used for carrying addCONF becomes REFER message, and the transfer destination side's Refer to header field in the described REFER message comprises: the Session Initiation Protocol sign of described second subscriber equipment and the indication of increase conferenced party;
Perhaps,
Second map unit, the FACILITY message maps that is used for carrying dropCONF becomes REFER message, and the transfer destination side's Refer to header field in the described REFER message comprises: the Session Initiation Protocol sign of described second subscriber equipment and the indication of dismounting conferenced party.
The network equipment that the embodiment of the invention three is provided is mapped to REFER message with it after receiving the FACILITY message that is used to indicate increase conferenced party or remove conferenced party of first subscriber equipment transmission, signaling mapping mode between digital user signalling (DSS1) and the sip message is provided, has made based on carrying out correct effectively information interaction between the conventional telephone terminal of Digital Subscriber Signaling No.1 and the equipment based on the IMS system of SIP signaling; Then REFER message is sent to AS, second subscriber equipment is added or withdraw from meeting to pass through MSAN that AS notifies second subscriber equipment ownership, realize that the conventional telephone terminal user increases or remove the purpose of conferenced party in meeting, traditional like this telephone terminal then can use Conference based on the IMS network of a new generation, improve the IMS network to the conventional terminal compatibility, and then improved the user satisfaction of user in the competitiveness of IMS network and this network.
The embodiment of the invention four provides a kind of network system, comprising: the MSAN of first subscriber equipment ownership, and the MSAN of AS and the 3rd subscriber equipment ownership, wherein,
The MSAN of first subscriber equipment ownership is used to receive the FACILITY message that first subscriber equipment sends, and described FACILITY message maps is become to shift REFER message, sends described REFER message to application server AS; Described first subscriber equipment is the conferenced party of described Multi-Party Conference, and is common exchanging telephone network PSTN terminal or integrated services digital network ISDN terminal; Described FACILITY message is: indication increases the FACILITY message of conferenced party, and perhaps the FACILITY message of conferenced party is removed in indication;
AS is used for described REFER message conversion being become to be used to indicate the INVITE that increases conferenced party or being used to indicate the MSAN that belongs to second subscriber equipment after the BYE message of removing conferenced party to send;
The MSAN of second subscriber equipment ownership is used for according to described INVITE or described BYE message, notifies the adding of second subscriber equipment or withdraws from meeting.
Concrete, indicate the FACILITY message that increases conferenced party to carry the addCONF parameter for being used for; Indicate the FACILITY message of removing conferenced party to carry dropCONF parameter and the sign of second subscriber equipment in meeting to be removed for being used for;
When FACILITY message is that the transfer destination side's Refer to header field in the REFER message of being shone upon comprises when being used to indicate the FACILITY message that increases conferenced party: the Session Initiation Protocol sign of described second subscriber equipment and increase conferenced party's indication;
When FACILITY message is that the transfer destination side's Refer to header field in the REFER message of being shone upon comprises when being used to indicate the FACILITY message of removing conferenced party: the Session Initiation Protocol sign of described second subscriber equipment and remove conferenced party's indication.
The MSAN of first subscriber equipment ownership in the network system that the embodiment of the invention four is provided is mapped to REFER message with it after receiving the facility FACILITY message that is used to indicate increase conferenced party or remove conferenced party of first subscriber equipment transmission, signaling mapping mode between digital user signalling (DSS1) and the sip message is provided, has made based on carrying out correct effectively information interaction between the conventional telephone terminal of Digital Subscriber Signaling No.1 and the equipment based on the IMS system of SIP signaling; The MSAN of first subscriber equipment ownership sends to AS with REFER message then, AS sends to the MSAN that second subscriber equipment belongs to after the REFER message maps is become INVITE or BYE message, the MSAN of this second subscriber equipment ownership notifies second subscriber equipment to add or withdraws from Multi-Party Conference, to realize that conventional telephone terminal increases or remove the purpose of conferenced party in Multi-Party Conference, traditional like this telephone terminal then can use Conference based on the IMS network of a new generation, improve the IMS network to the conventional terminal compatibility, and then improved the user satisfaction of user in the competitiveness of IMS network and this network.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in a kind of computer-readable recording medium, read-only memory for example, disk or CD etc.
More than increase that the embodiment of the invention provided or method, relevant device and the system of removing conferenced party are described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. increase or remove the method for conferenced party in the Multi-Party Conference, it is characterized in that, comprising:
The MSAN of first subscriber equipment ownership receives the facility FACILITY message that first subscriber equipment sends; Wherein, described first subscriber equipment is the conferenced party of described Multi-Party Conference, and is common exchanging telephone network PSTN terminal or integrated services digital network ISDN terminal; Described FACILITY message is: indication increases the FACILITY message of conferenced party, and perhaps the FACILITY message of conferenced party is removed in indication;
Described FACILITY message maps is become to shift REFER message, and send to the MSAN of second subscriber equipment ownership after described REFER message conversion being become to be used to indicate the invitation INVITE that increases conferenced party or be used to indicate goodbye BYE message of removing conferenced party by application server AS, make the MSAN of described second subscriber equipment ownership notify described second subscriber equipment to add or withdraw from described Multi-Party Conference.
2. method according to claim 1 is characterized in that,
When described FACILITY message is when being used to indicate the FACILITY message that increases conferenced party, the MSAN of described first subscriber equipment ownership receives the FACILITY message that first subscriber equipment sends and specifically comprises:
Set up the dialogue paths between first subscriber equipment and second subscriber equipment;
On described dialogue paths, receive the FACILITY message that is used to indicate increase conferenced party that first subscriber equipment sends.
3. method according to claim 2 is characterized in that,
Comprise in the described INVITE: the sign of talking with between first subscriber equipment and second subscriber equipment;
By AS described REFER message conversion is being become after INVITE sends to the MSAN of second subscriber equipment ownership, this method also comprises:
The MSAN of described second subscriber equipment ownership sends BYE message by described AS to the MSAN of first subscriber equipment ownership according to the sign of described dialogue, and described BYE message is used to the described dialogue paths of indicating dismounting to set up.
4. method according to claim 1 is characterized in that, describedly described FACILITY message maps is become to shift REFER message specifically comprises:
Become REFER message with carrying the FACILITY message maps that increases conferenced parties order addCONF, the transfer destination side's Refer-To header field in the described REFER message comprises: the Session Initiation Protocol sign of described second subscriber equipment and the indication of increase conferenced party.
5. method according to claim 1 is characterized in that, describedly described FACILITY message maps is become to shift REFER message specifically comprises:
Become REFER message with carrying the FACILITY message maps of removing conferenced parties order dropCONF, comprise among the described dropCONF: the sign of second subscriber equipment in meeting; Transfer destination side's Refer-To header field in the described REFER message comprises: the Session Initiation Protocol sign of described second subscriber equipment and the indication of dismounting conferenced party.
6. a network equipment is characterized in that, comprising:
The message sink unit, be used to receive the FACILITY message that first subscriber equipment sends, wherein, described first subscriber equipment is the conferenced party of described Multi-Party Conference, and be common exchanging telephone network PSTN terminal or integrated services digital network ISDN terminal, described FACILITY message is: indication increases the FACILITY message of conferenced party, and perhaps the FACILITY message of conferenced party is removed in indication;
Map unit is used for described FACILITY message maps is become REFER message;
Message sending unit is used for sending described REFER message to AS.
7. network equipment according to claim 6 is characterized in that,
Described message sink unit specifically comprises:
The session establishment unit is used to set up the dialogue paths between second subscriber equipment of first subscriber equipment and Multi-Party Conference to be added;
User side message sink unit receives the FACILITY message that is used to indicate increase conferenced party that first subscriber equipment sends on the described dialogue paths that is used for setting up in described session establishment unit.
8. network equipment according to claim 6 is characterized in that,
Described map unit specifically comprises:
First map unit, be used for carrying the FACILITY message maps that increases conferenced parties order addCONF and become REFER message, the transfer destination side's Refer-To header field in the described REFER message comprises: the Session Initiation Protocol sign of described second subscriber equipment and the indication of increase conferenced party.
9. network equipment according to claim 6 is characterized in that,
Described map unit specifically comprises:
Second map unit is used for becoming REFER message with carrying the FACILITY message maps of removing conferenced parties order dropCONF, comprises among the described dropCONF: the sign of second subscriber equipment in meeting; Transfer destination side's Refer-To header field in the described REFER message comprises: the Session Initiation Protocol sign of described second subscriber equipment and the indication of dismounting conferenced party.
10. a network system is characterized in that, comprising: the MSAN of first subscriber equipment ownership, and the MSAN of AS and second subscriber equipment ownership, wherein,
The MSAN of first subscriber equipment ownership is used to receive the FACILITY message that first subscriber equipment sends, and described FACILITY message maps is become to shift REFER message, sends described REFER message to application server AS; Wherein, described first subscriber equipment is the conferenced party of described Multi-Party Conference, and is common exchanging telephone network PSTN terminal or integrated services digital network ISDN terminal; Described FACILITY message is: indication increases the FACILITY message of conferenced party, and perhaps the FACILITY message of conferenced party is removed in indication;
AS is used for described REFER message conversion being become to be used to indicate the invitation INVITE that increases conferenced party or being used to indicate the MSAN that belongs to second subscriber equipment after goodbye BYE message of removing conferenced party to send;
The MSAN of second subscriber equipment ownership is used for according to described INVITE or described BYE message, notifies the adding of second subscriber equipment or withdraws from described Multi-Party Conference.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801707A (en) * | 2012-06-29 | 2012-11-28 | 华为技术有限公司 | Method and device for processing conference participant |
| CN107360116A (en) * | 2016-05-09 | 2017-11-17 | 展讯通信（上海）有限公司 | The separation method and device of IMS multi-party conversations |
| CN108347405A (en) * | 2017-01-24 | 2018-07-31 | 展讯通信（上海）有限公司 | Implementation method, device, terminal and the network side equipment of multi-party call |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1794829A (en) * | 2005-03-25 | 2006-06-28 | 华为技术有限公司 | Method of establishing circuit exchange network to IMS network calling route |
| CN101686137A (en) * | 2008-09-25 | 2010-03-31 | 华为技术有限公司 | Implement method, device and system of conference service |
| CN101742005A (en) * | 2008-11-05 | 2010-06-16 | 华为技术有限公司 | Method, system and network device for realizing conference segmentation services |
-
2008
- 2008-12-24 CN CN200810189457.6A patent/CN101764896B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1794829A (en) * | 2005-03-25 | 2006-06-28 | 华为技术有限公司 | Method of establishing circuit exchange network to IMS network calling route |
| CN101686137A (en) * | 2008-09-25 | 2010-03-31 | 华为技术有限公司 | Implement method, device and system of conference service |
| CN101742005A (en) * | 2008-11-05 | 2010-06-16 | 华为技术有限公司 | Method, system and network device for realizing conference segmentation services |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801707A (en) * | 2012-06-29 | 2012-11-28 | 华为技术有限公司 | Method and device for processing conference participant |
| CN107360116A (en) * | 2016-05-09 | 2017-11-17 | 展讯通信（上海）有限公司 | The separation method and device of IMS multi-party conversations |
| CN107360116B (en) * | 2016-05-09 | 2019-12-13 | 展讯通信（上海）有限公司 | IMS multi-party session separation method and device |
| CN108347405A (en) * | 2017-01-24 | 2018-07-31 | 展讯通信（上海）有限公司 | Implementation method, device, terminal and the network side equipment of multi-party call |
| CN108347405B (en) * | 2017-01-24 | 2021-07-23 | 展讯通信（上海）有限公司 | Method, device, terminal and network side equipment for realizing multi-party call |
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