CN101741871B - Method and system for isolating or reconnecting ISDN subscriber in session and access node - Google Patents
Method and system for isolating or reconnecting ISDN subscriber in session and access node Download PDFInfo
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Abstract
The invention discloses a method and a system for isolating or reconnecting an ISDN subscriber in a session and an access node, and belongs to the technical field of communication. The method comprises the following steps: receiving Facility message of a DSS1 format sent by a service terminal; mapping the Facility message into reINVITE message according to a mapping relationship between the preset DSS1 and the SIP; and sending the reINVITE message to an AS to the ISDN subscriber for isolation and reconnection. The system comprises a first access node, the AS and a second access node. The access node comprises a receiving module, a mapping module and a sending module. The system realizes and serves as a functional entity of VGW/AGW, the server realizes the focus function of session services, and isolation or reconnection of the subscriber is finished in the session of the ISDN terminal based on an IMS architecture.
Description
Technical field
The present invention relates to communication technique field, particularly isolation or reclosing isdn user's method, system and access node in a kind of meeting.
Background technology
ISDN (Intergrated Services Digital Network, integrated services digital network) is a kind of typical circuit-switched network system.Convention business is one of supplementary service of ISDN, and isolation or reclosing user then are the important scenes in the ISDN convention business in the meeting.The ISDN convention business adopts digital user signalling DSS1 (Digital Subscriber Signaling No.1, Digital Subscriber signalling No.1) as mutual signaling.
IMS (IP Multimedia Subsystem, IP Multimedia System) is the subsystem that IP-based Multimedia session control is provided in the next generation network, comprise the core network element that all provide the multimedia service controls such as audio frequency, video, literal, instant message, and employing SIP (Session Initial Protocol, conversation initialized protocol) as IMS key-course agreement, the bearing call control signal provides unified multimedia service and application.
Although communication network evolves to IMS, traditional ISDN terminal user's business demand still can exist in a large number, for example convention business.In the prior art, utilize Session Initiation Protocol can realize based on the application conferencing resource of conventional I SDN terminal and end subscriber is invited to meeting.
In realizing process of the present invention, the inventor finds that above-mentioned prior art has following shortcoming at least:
In the IMS framework, wouldn't realize based on isolation or reclosing user in the meeting of conventional I SDN terminal.
Summary of the invention
In order to realize in the IMS framework based on isolation or reclosing user in the meeting of conventional I SDN terminal, the embodiment of the invention provides isolation in a kind of meeting or reclosing user's method, system and access node.Described technical scheme is as follows:
Isolation or reclosing integrated services digital network isdn user's method in a kind of meeting, described method comprises:
The first access node receives the Facility message of the digital user signalling DSS1 form of service terminal transmission;
If carry meeting isolation isolateCONF Invoke information in the described Facility message, perhaps carry meeting reclosing reattachCONF Invoke information, the request generic resource identifier Request URI that then fills in the reINVITE message of conference initiation agreement SIP signaling format is the meeting identification Conference ID that carries in the Facility message; Fill in To header field in the described reINVITE message and be the user ID partyID in the Facility message; Increase in described reINVITE message that expression is isolated the isdn user or the first kind sign of reclosing, wherein, described first kind sign is specially: if carry isolateCONF Invoke information in the described Facility message, then the described first kind is designated the information that the isdn user is isolated, if carry reattachCONF Invoke information in the described Facility message, then the described first kind is designated the information of the isdn user being carried out reclosing;
Described reINVITE message is sent to application server AS so that described isdn user is isolated or reclosing;
Wherein, described described reINVITE message is sent to application server AS so that described isdn user is isolated or reclosing, comprising:
When the described first kind was designated the information that the isdn user is isolated, described application server AS was deleted described isdn user's conferencing resource and is applied for the playback resource;
When the described first kind is designated when the isdn user carried out the information of reclosing, described application server AS discharges the playback resource and applies for conferencing resource for described isdn user.
Isolation or reclosing integrated services digital network isdn user's system in a kind of meeting, described system comprises: the first access node and application server;
Described the first access node is for the Facility message of the digital user signalling DSS1 form that receives the service terminal transmission; If carry meeting isolation isolateCONF Invoke information in the described Facility message, perhaps carry meeting reclosing reattachCONF Invoke information, the request generic resource identifier Request URI that then fills in the reINVITE message of conference initiation agreement SIP signaling format is the meeting identification Conference ID that carries in the Facility message; Fill in To header field in the described reINVITE message and be the user ID partyID in the Facility message; Increase in described reINVITE message that expression is isolated the user or the first kind sign of reclosing, described first kind sign is specially the information that the isdn user is isolated, perhaps the information for the isdn user is carried out reclosing; Described reINVITE message is sent to described application server;
Described application server, be used for according to described reINVITE message described isdn user being isolated or reclosing, be specially: when the described first kind was designated the information that the isdn user is isolated, described application server AS was deleted described isdn user's conferencing resource and is applied for the playback resource; When the described first kind is designated when the isdn user carried out the information of reclosing, described application server AS discharges the playback resource and applies for conferencing resource for described isdn user.
A kind of access node, this access node comprises:
Receiver module is for the Facility message of the digital user signalling DSS1 form that receives the service terminal transmission;
Mapping block, carry meeting isolation isolateCONF Invoke information if be used for described Facility message, perhaps carry meeting reclosing reattachCONF Invoke information, the request generic resource identifier Request URI that then fills in the reINVITE message of conference initiation agreement SIP signaling format is the meeting identification Conference ID that carries in the Facility message; Fill in To header field in the described reINVITE message and be the user ID partyID in the Facility message; Increase in described reINVITE message that expression is isolated the user or the first kind sign of reclosing, described first kind sign is specially: if carry isolateCONF Invoke information in the described Facility message, then the described first kind is designated the information that the isdn user is isolated, if carry reattachCONF Invoke information in the described Facility message, then the described first kind is designated the information of the isdn user being carried out reclosing;
Sending module, be used for described reINVITE message is sent to application server AS so that described isdn user is isolated or reclosing, when the described first kind is designated the information that the isdn user is isolated, makes described application server AS delete described isdn user's conferencing resource and apply for the playback resource; When the described first kind is designated when the isdn user carried out the information of reclosing, makes described application server AS discharge the playback resource and apply for conferencing resource for described isdn user.
A kind of access node, this access node comprises:
Receiver module for the message of the conference initiation agreement SIP form that receives the application server AS transmission, carries first kind sign or Second Type sign in the described message; Described first kind sign is specially the information that the integrated services digital network isdn user is isolated, perhaps the information for the isdn user is carried out reclosing; Described Second Type sign is specially the segregate information of other isdn users, and perhaps other isdn users are by the information of reclosing;
Mapping block, what be used for carrying when described message is the described first kind that the isdn user is isolated when identifying, the descriptor of filling in the NOTIFY of digital user signalling DSS1 form is 100 0101; Be described first kind when sign that the isdn user is carried out reclosing when what carry in the described message, the descriptor of filling in the NOTIFY of DSS1 form is 100 0110; When carry in the described message be the segregate Second Type of described other isdn users sign the time, the descriptor of then filling in the NOTIFY of DSS1 form is 100 0111; Be described other isdn users when being identified by the Second Type of reclosing when what carry in the described message, the descriptor of filling in the NOTIFY of DSS1 form is 1001000;
Sending module is for other participants that described NOTIFY sent to described isdn user or meeting; Wherein, when carrying described first kind sign in the message of described SIP form, described NOTIFY is sent to described isdn user; When carrying described Second Type sign in the message of described SIP form, described NOTIFY is sent to other participants of described meeting;
Wherein, the message of the conference initiation agreement SIP form that described receiver module receives is the Facility message that receives the digital user signalling DSS1 form of service terminal transmission at the first access node, and will be the execution request reINVITE message that application server AS can be identified under the Session Initiation Protocol based on the Facility message maps of Digital Subscriber Signaling No.1, further will carry the isdn user will be isolated or the reINVITE message of reclosing sends to and sent by described application server AS after the application server AS;
Wherein, when carrying the described first kind in the message of described conference initiation agreement SIP form when being designated the information that the isdn user is isolated, described application server AS is deleted described isdn user's conferencing resource and is applied for the playback resource;
Be designated when the isdn user carried out the information of reclosing when carrying the first kind in the message of described conference initiation agreement SIP form, described application server AS discharges the playback resource and applies for conferencing resource for described isdn user.
The beneficial effect of the technical scheme that the embodiment of the invention provides is:
By MSAN (Multi-Service Access Node, MSAN) realizes and serve as VGW (Voice over IP GateWay, voice gateways)/AGW (Access GateWay, IAD) functional entity, AS (Application Server, application server) realizes the function of the focus (conference centre) of convention business, finished based on isolation or reclosing user in the meeting of the conventional I SDN terminal of IMS framework.
Description of drawings
Fig. 1 is the method flow diagram of isolation or reclosing user in a kind of meeting of providing of the embodiment of the invention 1;
Fig. 2 is user-isolated signaling process figure in a kind of meeting of providing of the embodiment of the invention 1;
Fig. 3 is the signaling process figure of reclosing user in a kind of meeting of providing of the embodiment of the invention 1;
Fig. 4 is the system configuration schematic diagram of isolation or reclosing user in a kind of meeting of providing of the embodiment of the invention 2;
Fig. 5 is the structural representation of a kind of access node of providing of the embodiment of the invention 3;
Fig. 6 is the structural representation of the another kind of access node that provides of the embodiment of the invention 3.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
The embodiment of the invention realizes and serves as the functional entity of VGW/AGW by MSAN, AS realizes the function of the focus of convention business, has finished based on isolation or reclosing user in the meeting of the conventional I SDN terminal of IMS framework.
Referring to Fig. 1, the embodiment of the invention provides in a kind of meeting isolation or reclosing isdn user's method, comprising:
101: the Facility message that receives the DSS1 form of service terminal transmission;
102: if carry isolateCONF Invoke information in the Facility message, perhaps carry reattachCONF Invoke information, the Request URI that then fills in the reINVITE message of SIP signaling format is the Conference ID that carries in the Facility message; Fill in To header field in the reINVITE message and be the partyID in the Facility message; Increase in reINVITE message that expression is isolated the user or the first kind sign of reclosing, this first kind sign is specially the information that the isdn user is isolated, perhaps the information for the isdn user is carried out reclosing;
103: reINVITE message is sent to application server AS so that this isdn user is isolated or reclosing.
Wherein, specifically comprise in 103:
When the type was designated the information that the isdn user is isolated, application server AS was deleted this isdn user's conferencing resource and is applied for the playback resource; When the type is designated when the isdn user carried out the information of reclosing, application server AS discharges the playback resource and applies for conferencing resource for this isdn user.
Further, after 103, the method also comprises:
104: the second access nodes receive the notification message of the SIP form of application server AS transmission, carry first kind sign in this notification message;
If the first kind is designated the information that the isdn user is isolated, the descriptor of then filling in the NOTIFY of DSS1 form is 100 0101;
If the first kind is designated the information of the isdn user being carried out reclosing, the descriptor of then filling in the NOTIFY of DSS1 form is 100 0110;
NOTIFY is sent to this isdn user.
Further, after 103, the method also comprises:
The 104 ': the 3rd access node receives the prompting message of the SIP form of application server AS transmission, carries other isdn users of expression in this prompting message and is isolated or is identified by the Second Type of reclosing; Particularly, the Second Type sign comprises: other isdn users are isolated, and perhaps are that other isdn users are by reclosing.
If Second Type is designated other isdn users and is isolated, the descriptor of then filling in the NOTIFY of DSS1 form is 100 0111;
If Second Type is designated other isdn users by reclosing, the descriptor of then filling in the NOTIFY of DSS1 form is 100 1000;
NOTIFY is sent to other participants of meeting.
Below, will describe respectively based on the method for isolation isdn user in the ISDN meeting of IMS framework with based on the method for reclosing isdn user in the ISDN meeting of IMS framework.
Referring to Fig. 2, service terminal A (Served User A) is traditional ISDN terminal service-user, adopts digital user signalling (DSS1); MSAN is at UNI (User-to-Network Interface, user-network interface) side is used digital user signalling (DSS1) and telex network, at NNI (Network-to-Network Interface, Network-Network interface) side uses SIP to communicate by letter with other network equipments, be used for realizing and serving as the VGW/AGW functional entity, the digital user signalling DSS1 of termination user side, and the mapping between realization digital user signalling and the SIP signaling; AS is used for realizing the focus function of convention business, and serve as MRFC (Multimedia Resource Function Controller, media resource controller) functional entity, control MRFP (Multimedia Resource Function Processor, media resource processor) provides conferencing resource; In the present embodiment, MRFC and MRFP are referred to as MRF (Media Resource Function, media resource function); User B (Remote User B) is user to be isolated, other participants of user C (Remote User C) representative conference, and method user-isolated in the meeting specifically comprises:
201: the first access node (MSAN-1) receive the Facility message of the user-isolated B that service terminal A sends;
Wherein, carried Facility IE in the Facility message, the isolateCONF Invoke that carries among the Facility IE is used for expression meeting isolation, has also carried the parameters such as Conference ID and Party ID among the Facility IE; Conference ID is meeting when setting up, and server A S returns to the meeting identification of service terminal A via MSAN-1; Party ID is meeting when setting up, the user ID that AS returns for each conferenced party, the user ID of refering in particular to user B to be isolated in Facility message.
MSAN is according to parameters such as the Conference ID that carries among the Facility IE and Party ID, navigate to the conferenced party (Remote_UserB) that needs to carry out isolated operation, then MSAN utilizes original foundation when conversing, SIP dialog (this is talked with the Request URI that uses and is ConferenceID) with conference centre sets up sends the request of execution.
202:MSAN-1 will be the execution request that AS can identify under the Session Initiation Protocol (reINVITE-1 message) based on the Facility message maps of Digital Subscriber Signaling No.1, and reINVITE-1 message is sent to AS; Mapping relations between Facility message and the reINVITE-1 message are referring to table 1:
Table 1
Particularly, in this reINVITE-1 message:
(1) Request URI (Univeral Resource Identifier, generic resource identifier): ConferenceID@domain, when namely meeting was set up, AS returned to the meeting identification of MSAN-1; The conversion of ConferenceID@domain process MSAN-1 is the Conference ID in the Facility message, is one-to-one relationship between ConferenceID@domain and the Conference ID.
(2) To header field is side's to be isolated URI:Remote_UserB@domain, and when meeting was set up, AS returned to the user ID of MSAN-2; The conversion of Remote_UserB@domain process MSAN-2 is the partyID in the Facility message, is one-to-one relationship between Remote_UserB@domain and the Party ID.
(3) other parameters: call id, from tag, to tag, when setting up conference call, call id, from tag, to tag that service terminal A uses are consistent, do not do detailed description at this.
(4) first kind sign (P-Service-Notification): this is designated the SIP sign of expansion, the SIP sign of this expansion can be arranged in the parameter of SIP header field, sip message body even SIP header field, is used in the expression of reINVITE-1 message the user being isolated.The ABNF of type identification (Augmented Backus-Naur Form, expansion Backus normal form) format description is as follows:
P-Service-Notification＝″P-Service-Notification″
HCOLON?notification
notification ＝″isolated″
203:AS is after receiving reINVITE-1 message, and the first kind identifies (P-Service-Notification) entrained " isolate " in the identification reINVITE-1 message, and does following action:
(1) control MRFP deletes user B from conferencing resource;
(2) control MRFP application playback resource is prepared to put HOLD (maintenance) sound to user B;
(3) send a notification message (reINVITE-2) to user B;
(4) send prompting message (reINVITE-3) to user C, see 207 for details;
Particularly, in reINVITE-2 message:
(a) the user portion in Request URI and the To header field fills out for the URI with conferenced party to be isolated (Remote_UserB);
(b) other parameter: call id, from tag, to tag, and the dialogue of using during before this this adding meeting of having set up with conferenced party to be isolated is identical;
(c)P-Service-Notification：isolated；
(d) MRFP prepares to put SDP (session description protocol, the Session Description Protocol) information of HOLD sound to user B, and wherein, the Streaming Media direction is sendonly (only sending out).
204: the second access node MSAN-2 receive after the reINVITE-2 message that AS sends, and are the Notify message that the user B of DSS1 can identify with the reINVITE-2 message maps under the Session Initiation Protocol, send to user B, and user B is isolated by meeting; Mapping relations between reINVITE-2 and the Notify are as shown in table 2:
Table 2
205:MSAN-2 sends response message (200 OK) to AS;
Wherein, also carry SDP information, the Streaming Media direction in the SDP information is recvonly (only receiving).
206:AS sends acknowledge message (ACK) to MSAN-2;
207:AS sends reINVITE-3 message to user C, is used for notifying the user C, and user B is isolated by meeting;
Wherein, in reINVITE-3 message:
(1) the user portion in Request URI and the To header field fills out the URI into other conferenced partys
(2) other parameters: call id, from tag, to tag, the dialogue of using during the adding meeting of having set up with each conferenced party before this is identical;
(3) Second Type sign P-Service-Notification:other-party-isolated;
Wherein, other-party-isolated represents other users and is isolated.
208: the three access node MSAN-3 receive after the reINVITE-3 message that AS sends, and will be the Notify message that the user C of DSS1 can identify based on the reINVITE-3 message maps of Session Initiation Protocol, and user C obtains prompting, and user B is isolated; Wherein, carry Second Type sign " other-party-isolated " among the reINVITE-3, represent that other users are isolated.Mapping relations between reINVITE-3 and the Notify are as shown in table 3:
Table 3
209:MSAN-3 sends response message (200 OK) to AS;
Wherein, also carry SDP information, the Streaming Media direction in the SDP message is recvonly;
210:AS sends acknowledge message (ACK) to MSAN-3;
211:AS sends response message (200 OK) to MSAN-1;
212:MSAN-1 sends acknowledge message (ACK) to AS;
213:MSAN-1 sends Facility message to service terminal A;
Wherein comprise isolateCONF Invoke, represent user-isolated B success.
The below provides respectively the example of several reINVITE message:
(1) reINVITE-1 message:
A): when expansion type in the SIP header field identifies:
INVITE?sip：123456@huawei.com；transport＝udp?SIP/2.0
Call-ID：c006b979a8938e0683bcc9096ba308bc
From：<sip:+86755654321@huawei.com>；tag＝7f1f90f1
To：<sip:888999@huawei.com>
CSeq：1?INVITE
Contact：<sip:+86755654321@10.71.46.34：5444；transport＝udp；lr>
Max-Forwards：70
Supported：100rel
P-Service-Notification：isolated
Content-Length：0
B): when expansion type in the sip message body identifies:
INVITE?sip：123456@huawei.com；transport＝udp?SIP/2.0
CalI-ID：c006b979a8938e0683bcc9096ba308bc
From：<sip:+86755654321@huawei.com>；tag＝7f1f90f1
To：<sip:888999@huawei.com>
CSeq：1?INVITE
Contact：<sip:+86755654321@10.71.46.34：5444；transport＝udp；1r>
Max-Forwards：70
Supported：100rel
Content-Length：...
Content-Type：multipart/mixed；boundary＝Boundary42
--Boundary42
Content-Length：...
Content-Type：application/service-indication+xml
<？xml?version＝″1.0″encoding＝″UTF-8″？>
<service-indication>isolated</service-indication>
--Boundary42
Content-Type：application/sdp
SDP_MRFP
--Boundary42
(2) reINVITE-2 message:
INVITE?sip：888999@huawei.com；transport＝udp?SIP/2.0
Call-ID：d432fa84b4c76e66710
From：<sip:3402934234@conffocus.com>；tag＝43524545
To：<sip:888999@huawei.com>
CSeq：1?INVITE
Contact：<sip:3402934234@conffocus.com>；isfocus
Max-Forwards：70
Supported：100rel
P-Service-Notification：isolated
Content-Length：...
Content-Type：application/sdp
v＝0
o＝huawei?1955463741?1955463741?IN?IP4?10.3.164.110
s＝-
c＝IN?IP4?10.3.164.110
t＝0?0
m＝audio?11176?RTP/AVP?8?0?18
a＝rtpmap：8?PCMA/8000
a＝rtpmap：0?PCMU/8000
a＝rtpmap：18?G729/8000
a＝sendonly
a＝ptime：20
(3) reINVITE-3 message:
INVITE?sip：111111@huawei.com；transport＝udp?SIP/2.0
Call-ID：849392fklg143
From：<sip:3402934234@conffocus.com>；tag＝5393k2312
To：<sip:111111@huawei.com>；tag＝32331
CSeq：10?INVITE
Contact：<sip:3402934234@conffocus.com>；isfocus
Max-Forwards：70
Supported：100rel，replaces
P-Service-Notification：other-party-isolated
Content-Length：0
Referring to Fig. 3, reclosing user's method specifically comprises in the ISDN meeting:
301:MSAN-1 receives the Facility message that reclosing that service terminal A sends is isolated user B;
Wherein, carried Facility IE in the Facility message, the reattachCONF Invoke that carries among the Facility IE is used for sign meeting reclosing; Conference ID and Party ID have also been carried among the Facility IE; Conference ID is meeting when setting up, and AS returns to the meeting identification of service terminal A via MSAN-1; Party ID is meeting when setting up, the user ID that AS returns for each conferenced party, the user ID of refering in particular to the segregate user B that treats reclosing in Facility message.
302:MSAN-1 will be the reINVITE-4 message that AS can identify under the Session Initiation Protocol based on the Facility message maps of Digital Subscriber Signaling No.1, and reINVITE-4 message is sent to AS; Mapping relations between Facility message and the reINVITE-4 message are referring to table 4:
Table 4
Particularly, in this reINVITE-4 message:
(1) Request URI (Univeral Resource Identifier, resource label symbol): ConferenceID@domain, when namely meeting was set up, AS returned to the meeting identification of MSAN-1; The conversion of ConferenceID@domain process MSAN-1 is the Conference ID in the Facility message, is one-to-one relationship between ConferenceID@domain and the Conference ID.
(2) To header field extends this as the URI:Remote_UserB@domain of UserB, and when meeting was set up, AS returned to the user ID of MSAN-2; The conversion of Remote_UserB@domain process MSAN-2 is the partyID in the Facility message, is one-to-one relationship between Remote_UserB@domain and the Party ID.
(3) other parameters: call id, from tag, to tag, the dialogue of using during with the establishment meeting of setting up before this is consistent, does not do detailed description at this.
(4) first kind sign: this is designated the SIP sign of expansion, and the SIP sign of this expansion can be arranged in the parameter of SIP header field, sip message body even SIP header field, is used in the expression of reINVITE-4 message the user being carried out reclosing.The ABNF format description of type identification is as follows:
P-Service-Notification＝″P-Service-Notification″
HCOLON?notification
notification ＝″reattached″
303:AS identifies entrained " reattached " of type identification (P-Service-Notification) in the reINVITE-4 message, and does following action after receiving reINVITE-4 message:
The resource of putting the HOLD sound to segregate user B before (1) control MRFP discharges;
(2) to the resource of MRFP application conferenced party;
(3) send a notification message (reINVITE-5) to user B;
(4) send prompting message (reINVITE-6) to user C, see 307 for details;
Particularly, in reINVITE-5 message:
(a) the user portion in Request URI and the To header field fills out the URI (Remote_UserB) for the conferenced party that treats reclosing;
(b) other parameter: call id, from tag, to tag, and the dialogue of using when this treats adding meeting that the conferenced party of reclosing set up before this is identical;
(c) first kind sign P-Service-Notification:reattached; This header field and the P-Service-Notification that issues in the reINVITE-4 message of AS of MSAN is identical before;
(d) the SDP information of conferencing resource among the MRF, wherein, the Streaming Media direction is sendrecv (transmitting-receiving).
304:MSAN-2 receives after the reINVITE-5 message of AS transmission, and the reINVITE-5 message maps under the Session Initiation Protocol for the Notify message that the isdn user can identify, is sent to user B, and user B is by the meeting reclosing;
Mapping relations between reINVITE-5 and the Notify are as shown in table 5:
Table 5
305:MSAN-2 sends response message (200 OK) to AS;
Wherein, also carry SDP information, the Streaming Media direction in the SDP information is sendrecv.
306:AS sends acknowledge message (ACK) to MSAN-2;
307:AS sends reINVITE-6 message to user C, is used for prompting user C, and user B is by the meeting reclosing;
Wherein, in reINVITE-6 message:
(1) the user portion in Request URI and the To header field fills out the URI into other conferenced partys;
(3) other parameters: call id, from tag, totag, the dialogue of using during the adding meeting of having set up with each conferenced party before this is identical;
(4)P-Service-Notification：other-party-reattached；
Wherein, other-party-reattached represents other users by reclosing.
308:MSAN-3 receives AS and sends to after the reINVITE-6 message, the Notify message that will can identify for isdn user C based on the reINVITE-6 message maps of Session Initiation Protocol, and user C is notified, and user B is by reclosing; Wherein, carry Second Type sign " other-party-reattached " among the reINVITE-6, be used for other users of expression by reclosing.
Mapping relations between reINVITE-6 and the Notify are as shown in table 6:
Table 6
| DSS1 | SIP |
| ←NOTIFY | ←reINVITE-6 |
| Notification?indicator?IE | P-Service-Notification |
| Notification?description： | other-party-reattached |
| 1000111：other-party-reattached |
309:MSAN-3 sends response message (200 OK) to AS;
310:AS sends acknowledge message (ACK) to MSAN-3;
311:AS sends response message (200 OK) to MSAN-1;
312:MSAN-1 sends acknowledge message (ACK) to AS;
313:MSAN-1 sends Facility message to service terminal A;
Wherein comprise reattachCONF Invoke, represent reclosing user B success.
The below provides respectively the example of reINVITE message:
(1) reINVITE-4 message:
INVITE?sip：123456@huawei.com；transport＝udp?SIP/2.0
Call-ID：c006b979a8938e0683bcc9096ba308bc
From：<sip:+86755654321@huawei.com>；tag＝7f1f90f1
To：<sip:888999@huawei.com>
CSeq：1?INVITE
Contact：<sip:+86755654321@10.71.46.34：5444；transport＝udp；lr>
Max-Forwards：70
Supported：100rel
P-Service-Notification：reattached
Content-Length：0
(2) reINVITE-5 message:
INVITE?sip：888999@huawei.com；transport＝udp?SIP/2.0
Call-ID：d432fa84b4c76e66710
From：<sip:3402934234@conffocus.com>；tag＝43524545
To：<sip:888999@huawei.com>
CSeq：1?INVITE
Contact：<sip:3402934234@conffocus.com>；isfocus
Max-Forwards：70
Supported：100rel
P-Service-Notification：reattached
Content-Length：...
Content-Type：application/sdp
v＝0
o＝huawei?1955463741?1955463741?IN?IP4?10.3.164.110
s＝-
c＝IN?IP4?10.3.164.110
t＝0?0
m＝audio?11176?RTP/AVP?8?0?18
a＝rtpmap：8?PCMA/8000
a＝rtpmap：0?PCMU/8000
a＝rtpmap：18?G729/8000
a＝sendrecv
a＝ptime：20
(3) reINVITE-6 message:
INVITE?sip：111111@huawei.com；transport＝udp?SIP/2.0
Call-ID：849392fklgl43
From：<sip:3402934234@conffocus.com>；tag＝5393k2312
To：<sip:111111@huawei.com>；tag＝32331
CSeq：10?INVITE
Contact：<sip:3402934234@conffocus.com>；isfocus
Max-Forwards：70
Supported：100rel，replaces
P-Service-Notification：other-party-reattached
Content-Length：0
In the said method that the embodiment of the invention provides, realize and serve as the functional entity of VGW/AGW, the function that AS realizes the focus of convention business by the MSAN that has expanded partial function, finished the method based on isolation or reclosing user in the meeting of the conventional I SDN terminal of IMS framework.
Referring to Fig. 4, the embodiment of the invention provides in a kind of meeting isolation or reclosing isdn user's system, specifically comprises: the first access node 401 and application server 402;
The first access node 401 is for the Facility message of the DSS1 form that receives the service terminal transmission; If carry isolateCONF Invoke information in the Facility message, perhaps carry reattachCONF Invoke information, the Request URI that then fills in the reINVITE message of SIP signaling format is the Conference ID that carries in the Facility message; Fill in To header field in the reINVITE message and be the partyID in the Facility message; Increase in reINVITE message that expression is isolated the user or the first kind sign of reclosing, this first kind sign is specially the information that the isdn user is isolated, perhaps the information for the isdn user is carried out reclosing; ReINVITE message is sent to application server 402;
Further, this system also comprises the second access node 403;
Correspondingly, application server 402 also is used for sending the notification message of SIP form to the second access node 403;
The second access node 403 is used for receiving the notification message that application server 402 sends, and carries first kind sign in this notification message; If the first kind is designated the information that the isdn user is isolated, the descriptor of then filling in the NOTIFY of DSS1 form is 100 0101; If the first kind is designated the information of the isdn user being carried out reclosing, the descriptor of then filling in the NOTIFY of DSS1 form is 100 0110; And NOTIFY sent to the isdn user.
Further, application server 402 also is used for sending the prompting message of SIP form to the 3rd access node 404;
The 3rd access node 404 for the prompting message of the SIP form that receives application server 402 transmissions, carries other users of expression and is isolated or is identified by the Second Type of reclosing in this prompting message; If Second Type is designated other isdn users and is isolated, the descriptor of then filling in the NOTIFY of DSS1 form is 100 0111; If Second Type is designated other IDSN users by reclosing, the descriptor of then filling in the NOTIFY of DSS1 form is 100 1000; And NOTIFY is sent to other participants of meeting.
In the said system that the embodiment of the invention provides, realize and serve as the functional entity of VGW/AGW, the function that server is realized the focus of convention business by the first access node of having expanded partial function, finished based on isolation or reclosing user in the meeting of the conventional I SDN terminal of IMS framework.
Referring to Fig. 5, the embodiment of the invention provides a kind of access node, and this access node 500 comprises:
Sending module 503 is used for reINVITE message is sent to application server AS so that the isdn user is isolated or reclosing.
The access node here is specially MSAN.
Referring to Fig. 6, the embodiment of the invention also provides a kind of access node, and this access node 600 comprises:
Sending module 603 is for other participants that NOTIFY sent to isdn user or meeting; Wherein, when message is carried first kind sign, send to the isdn user; When message is carried the Second Type sign, send to other participants of meeting.
The access node here is specially MSAN.
The expansion that the embodiment of the invention provides the access node of partial function, the functional entity, server of realizing and serve as VGW/AGW are realized the function of the focus of convention business, have finished based on isolation or reclosing user in the meeting of the conventional I SDN terminal of IMS framework.
It is pointed out that the title of the message of mentioning in the embodiment of the invention all not in order to limit the present invention, especially the title of message is the title of stipulating in order to distinguish each concrete message in the form, can not limit the present invention.
The embodiment of the invention can utilize software to realize, corresponding software program can be stored in the storage medium that can read, for example, and in the hard disk of router, buffer memory or the CD.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. isolation or reclosing integrated services digital network isdn user's method in the meeting is characterized in that described method comprises:
The first access node receives the Facility message of the digital user signalling DSS1 form of service terminal transmission;
If carry meeting isolation isolateCONF Invoke information in the described Facility message, perhaps carry meeting reclosing reattachCONF Invoke information, the request generic resource identifier Request URI that then fills in the reINVITE message of conference initiation agreement SIP signaling format is the meeting identification Conference ID that carries in the Facility message; Fill in To header field in the described reINVITE message and be the user ID partyID in the Facility message; Increase in described reINVITE message that expression is isolated the isdn user or the first kind sign of reclosing, wherein, described first kind sign is specially: if carry isolateCONF Invoke information in the described Facility message, then the described first kind is designated the information that the isdn user is isolated, if carry reattachCONF Invoke information in the described Facility message, then the described first kind is designated the information of the isdn user being carried out reclosing;
Described reINVITE message is sent to application server AS so that described isdn user is isolated or reclosing;
Wherein, described described reINVITE message is sent to application server AS so that described isdn user is isolated or reclosing, comprising:
When the described first kind was designated the information that the isdn user is isolated, described application server AS was deleted described isdn user's conferencing resource and is applied for the playback resource;
When the described first kind is designated when the isdn user carried out the information of reclosing, described application server AS discharges the playback resource and applies for conferencing resource for described isdn user.
2. isolation or reclosing isdn user's method in the meeting as claimed in claim 1 is characterized in that, described reINVITE message is sent to application server AS with described isdn user is isolated or reclosing after, described method also comprises:
The second access node receives the notification message of the SIP form of described application server AS transmission, carries first kind sign in the described notification message;
When the described first kind was designated the information that the isdn user is isolated, the descriptor of filling in the NOTIFY of DSS1 form was 100 0101;
When the described first kind is designated when the isdn user carried out the information of reclosing, the descriptor of filling in the NOTIFY of DSS1 form is 100 0110;
Described NOTIFY is sent to described isdn user.
3. isolation or reclosing isdn user's method in the meeting as claimed in claim 1 is characterized in that, described reINVITE message is sent to application server AS with described isdn user is isolated or reclosing after, described method also comprises:
The 3rd access node receives the notification message of the SIP form of described application server AS transmission, carry in the described notification message and represent that other isdn users are isolated or the Second Type of reclosing sign, described Second Type sign is specially: the segregate information of other isdn users, and perhaps other isdn users are by the information of reclosing;
When described Second Type was designated the segregate information of other isdn users, the descriptor of filling in the NOTIFY of DSS1 form was 100 0111;
When described Second Type was designated other isdn users by the information of reclosing, the descriptor of filling in the NOTIFY of DSS1 form was 100 1000;
Described NOTIFY is sent to other participants of meeting.
4. isolation or reclosing integrated services digital network isdn user's system in the meeting is characterized in that described system comprises: the first access node and application server;
Described the first access node is for the Facility message of the digital user signalling DSS1 form that receives the service terminal transmission; If carry meeting isolation isolateCONF Invoke information in the described Facility message, perhaps carry meeting reclosing reattachCONF Invoke information, the request generic resource identifier Request URI that then fills in the reINVITE message of conference initiation agreement SIP signaling format is the meeting identification Conference ID that carries in the Facility message; Fill in To header field in the described reINVITE message and be the user ID partyID in the Facility message; Increase in described reINVITE message that expression is isolated the user or the first kind sign of reclosing, described first kind sign is specially the information that the isdn user is isolated, perhaps the information for the isdn user is carried out reclosing; Described reINVITE message is sent to described application server;
Described application server, be used for according to described reINVITE message described isdn user being isolated or reclosing, be specially: when the described first kind was designated the information that the isdn user is isolated, described application server AS was deleted described isdn user's conferencing resource and is applied for the playback resource; When the described first kind is designated when the isdn user carried out the information of reclosing, described application server AS discharges the playback resource and applies for conferencing resource for described isdn user.
5. system as claimed in claim 4 is characterized in that, described system also comprises the second access node;
Correspondingly, described application server also is used for sending the notification message of SIP form to described the second access node;
Described the second access node is used for receiving described notification message and carries first kind sign; When the described first kind was designated the information that the isdn user is isolated, the descriptor of filling in the NOTIFY of DSS1 form was 100 0101; When the described first kind is designated when the isdn user carried out the information of reclosing, the descriptor of filling in the NOTIFY of DSS1 form is 100 0110; And described NOTIFY sent to described isdn user.
6. isolation or reclosing isdn user's system in the meeting as claimed in claim 4 is characterized in that described system also comprises the 3rd access node;
Correspondingly, described application server also is used for sending the prompting message of SIP form to described the 3rd access node;
Described the 3rd access node, the notification message that is used for the SIP form of reception application server transmission, carrying other users of expression in the described notification message is isolated or is identified by the Second Type of reclosing, described Second Type sign comprises the segregate information of other isdn users, and perhaps other isdn users are by the information of reclosing; If described Second Type is designated the segregate information of other isdn users, the descriptor of then filling in the NOTIFY of DSS1 form is 100 0111; If described type identification be other isdn users by the information of reclosing, the descriptor of then filling in the NOTIFY of DSS1 form is 100 1000; And described NOTIFY is sent to other participants of meeting.
7. an access node is characterized in that, described access node comprises:
Receiver module is for the Facility message of the digital user signalling DSS1 form that receives the service terminal transmission;
Mapping block, carry meeting isolation isolateCONF Invoke information if be used for described Facility message, perhaps carry meeting reclosing reattachCONF Invoke information, the request generic resource identifier Request URI that then fills in the reINVITE message of conference initiation agreement SIP signaling format is the meeting identification Conference ID that carries in the Facility message; Fill in To header field in the described reINVITE message and be the user ID partyID in the Facility message; Increase in described reINVITE message that expression is isolated the user or the first kind sign of reclosing, described first kind sign is specially: if carry isolateCONF Invoke information in the described Facility message, then the described first kind is designated the information that the isdn user is isolated, if carry reattachCONF Invoke information in the described Facility message, then the described first kind is designated the information of the isdn user being carried out reclosing;
Sending module, be used for described reINVITE message is sent to application server AS so that described isdn user is isolated or reclosing, when the described first kind is designated the information that the isdn user is isolated, makes described application server AS delete described isdn user's conferencing resource and apply for the playback resource; When the described first kind is designated when the isdn user carried out the information of reclosing, makes described application server AS discharge the playback resource and apply for conferencing resource for described isdn user.
8. access node as claimed in claim 7 is characterized in that, described access node is MSAN.
9. an access node is characterized in that, described access node comprises:
Receiver module for the message of the conference initiation agreement SIP form that receives the application server AS transmission, carries first kind sign or Second Type sign in the described message; Described first kind sign is specially the information that the integrated services digital network isdn user is isolated, perhaps the information for the isdn user is carried out reclosing; Described Second Type sign is specially the segregate information of other isdn users, and perhaps other isdn users are by the information of reclosing;
Mapping block, what be used for carrying when described message is the described first kind that the isdn user is isolated when identifying, the descriptor of filling in the NOTIFY of digital user signalling DSS1 form is 100 0101; Be described first kind when sign that the isdn user is carried out reclosing when what carry in the described message, the descriptor of filling in the NOTIFY of DSS1 form is 100 0110; When carry in the described message be the segregate Second Type of described other isdn users sign the time, the descriptor of then filling in the NOTIFY of DSS1 form is 100 0111; Be described other isdn users when being identified by the Second Type of reclosing when what carry in the described message, the descriptor of filling in the NOTIFY of DSS1 form is 1001000;
Sending module is for other participants that described NOTIFY sent to described isdn user or meeting; Wherein, when carrying described first kind sign in the message of described SIP form, described NOTIFY is sent to described isdn user; When carrying described Second Type sign in the message of described SIP form, described NOTIFY is sent to other participants of described meeting;
Wherein, the message of the conference initiation agreement SIP form that described receiver module receives is the Facility message that receives the digital user signalling DSS1 form of service terminal transmission at the first access node, and will be the execution request reINVITE message that application server AS can be identified under the Session Initiation Protocol based on the Facility message maps of Digital Subscriber Signaling No.1, further will carry the isdn user will be isolated or the reINVITE message of reclosing sends to and sent by described application server AS after the application server AS;
Wherein, when carrying the described first kind in the message of described conference initiation agreement SIP form when being designated the information that the isdn user is isolated, described application server AS is deleted described isdn user's conferencing resource and is applied for the playback resource;
Be designated when the isdn user carried out the information of reclosing when carrying the first kind in the message of described conference initiation agreement SIP form, described application server AS discharges the playback resource and applies for conferencing resource for described isdn user.
10. access node as claimed in claim 9 is characterized in that, described access node is MSAN.
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| CN2008101761095A CN101741871B (en) | 2008-11-04 | 2008-11-04 | Method and system for isolating or reconnecting ISDN subscriber in session and access node |
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| CN2008101761095A CN101741871B (en) | 2008-11-04 | 2008-11-04 | Method and system for isolating or reconnecting ISDN subscriber in session and access node |
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| CN101741871B true CN101741871B (en) | 2013-03-27 |
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| CN102739673B (en) * | 2012-06-28 | 2018-06-22 | 中兴通讯股份有限公司 | Session initiation protocol talks with localization method and device |
| CN102801707A (en) * | 2012-06-29 | 2012-11-28 | 华为技术有限公司 | Method and device for processing conference participant |
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|---|---|---|---|---|
| CN1849808A (en) * | 2003-09-12 | 2006-10-18 | 西门子公司 | Interworking of hybrid protocol multimedia networks |
| CN101009693A (en) * | 2006-01-24 | 2007-08-01 | 华为技术有限公司 | System and method for implementing integrated service digital network service in the packet network |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1849808A (en) * | 2003-09-12 | 2006-10-18 | 西门子公司 | Interworking of hybrid protocol multimedia networks |
| CN101009693A (en) * | 2006-01-24 | 2007-08-01 | 华为技术有限公司 | System and method for implementing integrated service digital network service in the packet network |
Non-Patent Citations (1)
| Title |
|---|
| Organizational Partners of 3GPP.Session Initiation Protocol (SIP) to ISDN User Part (ISUP) Interworking.《3GPP2 X.S0050-0 v1.0》.2008, * |
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