CN102111387A - Method for transferring control power in conference state and user equipment - Google Patents
Method for transferring control power in conference state and user equipment Download PDFInfo
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Abstract
The embodiment of the invention provides a method for transferring control power in a conference state and user equipment. The method for transferring the control power in the conference state comprises the following steps of: receiving a control power transfer request from a service centralization and continuity application server (SCCAS), wherein the control power transfer request comprises conference description information, and the conference description information at least comprises any one of conference brief description information, role description information in a conference, a conference attending way, an instruction indicating whether to subscribe for conference information or not and conference participant information; establishing the conference state according to the conference description information; and returning a control power transfer acceptance message to finish a control power transfer process. The embodiment of the invention receives the control power transfer request comprising the conference description information by the user equipment, ensures that the user equipment can establish the conference state according to the conference description information, ensures the normal progress of the conference and improves user experiences.
Description
Technical Field
The present invention relates to the field of mobile communications technologies, and in particular, to a control right transfer method and a user equipment in a conference state.
Background
Ims (IP Multimedia subsystem) is an IP-based Multimedia streaming service communication network, which is considered as a core technology of a next-generation communication network that supports multiple media streams of voice, video, data, and the like, and combined services thereof, and implements convergence of multiple networks (e.g., mobile and fixed networks, and the like).
In a network, sessions on different devices can be integrated by a Server SCC AS (Service Centralization & continuity application Server), and presented to an opposite end AS one session. Each device of the local terminal has a Session (Session) with the SCC AS, and a plurality of sessions between a plurality of terminals and the SCC AS are combined to form a unified Session (Collaborative Session). A UE with control of a Collaborative Session is called a controller UE; a UE without this control right but with a media stream is called a controller UE. The Controller UE may control all media streams in the Collaborative Session, including transferring, deleting, adding, performing supplementary service operation, and the like. The control UE can only renegotiate the coding mode of the media stream and delete the media stream. The Controller UE may transfer the control right to the Controller UE, and after the control right transfer is completed, the original Controller UE becomes a ControllerUE, and the original Controller UE becomes a Controller UE.
However, when the control right transfer is applied in the Conference (Conference, a supplementary service of IMS), after the UE-2 receives the control right transfer, the UE-2 cannot correctly establish the Conference state only according to the control right transfer indication in the request message, so that the Conference cannot be normally continued.
Disclosure of Invention
The embodiment of the invention provides a control right transfer method and user equipment in a conference state, which can correctly establish the conference state in the control right transfer process.
In order to solve the technical problem, the technical scheme of the embodiment of the invention is as follows:
a control right transfer method in a conference state comprises the following steps:
receiving a control right transfer request sent by a service centralization and session continuity application server SCC AS, wherein the control right transfer request comprises conference description information, and the conference description information at least comprises any one of conference introduction information, role description information in a conference, a conference joining mode, a conference information subscription instruction or conference participant information;
establishing a conference state according to the conference description information;
and replying a control right transfer receiving message to finish the control right transfer process.
A control right transfer method in a conference state comprises the following steps:
receiving a first control right transfer request which is sent by first user equipment and transfers the control right to second user equipment, wherein the first control right transfer request comprises conference description information, and the conference description information at least comprises any one of conference brief introduction information, role description information in a conference, a conference joining mode, an instruction of whether to subscribe conference information or conference participant information;
sending a second control right transfer request to the second user equipment, wherein the second control right transfer request contains the conference description information, so that the second user equipment establishes a conference state according to the conference description information;
and receiving a control right transfer receiving message sent by the second user equipment to complete the control right transfer process.
A user equipment, comprising:
a message receiving unit, configured to receive a control right transfer request sent by an SCC AS in a conference state, where the control right transfer request includes conference description information, and the conference description information at least includes any one of conference profile information, role description information in the conference, a conference joining mode, an instruction whether to subscribe to the conference information, or conference participant information;
the conference establishing unit is used for establishing a conference state according to the conference description information;
and the message reply unit is used for replying the control right transfer receiving message to finish the control right transfer process.
An application server, comprising:
a request receiving unit, configured to receive a first control right transfer request, which is sent by a first user equipment and transfers a control right to a second user equipment, where the first control right transfer request includes conference description information, and the conference description information at least includes any one of conference profile information, role description information in a conference, a conference joining mode, an instruction of whether to subscribe to conference information, or conference participant information;
a request sending unit, configured to send a second control right transfer request to the second user equipment, where the second control right transfer request includes the conference description information, so that the second user equipment establishes a conference state according to the conference description information;
and the message receiving unit is used for receiving the control right transfer receiving message sent by the second user equipment and finishing the control right transfer process.
The embodiment of the invention receives the control right transfer request containing the conference description information through the user equipment, ensures that the user equipment can establish the conference state according to the conference description information, ensures the normal operation of the conference, and improves the user experience.
Drawings
Fig. 1 is a flowchart of a control right transfer method in a conference state according to an embodiment of the present invention;
fig. 2 is a flowchart of a control right transfer method in another conference state according to another embodiment of the present invention;
FIG. 3 is a flowchart of a method according to a first embodiment of the present invention;
FIG. 4 is a flowchart of a method according to a second embodiment of the present invention;
fig. 5 is a schematic structural diagram of a user equipment according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of another ue according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an application server according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a control right transfer system in a conference state according to an embodiment of the present invention.
Detailed Description
So that those skilled in the art can further understand the features and technical content of the present invention, reference is made to the following detailed description of the present invention and accompanying drawings, which are provided for reference and illustration only and are not intended to limit the present invention.
The technical solution of the present invention is described below with reference to the accompanying drawings and embodiments.
Referring to fig. 1, a flowchart of a control right transfer method in a conference state according to an embodiment of the present invention is shown.
The method can comprise the following steps:
User equipment UE-1 initiates a control right transfer request for transferring control right to UE-2, and the request message contains conference description information, SCC AS-1 serving UE-1 directly sends the control right transfer request containing the control right transfer indication and the conference description information to target UE-2 or forwards the control right transfer request to UE-2 through SCC AS-2 serving UE-2, and UE-2 receives the control right transfer request. The conference description information may include at least any one of conference profile information, role description information in the conference, a mode of participating in the conference, an instruction whether to subscribe to the conference information, or conference participant information.
And step 102, establishing a conference state according to the conference description information.
After receiving the message, the UE-2 may display the message to the user in the UI of the mobile phone, and then the user of the UE-2 may decide whether to allow the transfer of the control right according to the conference description information, or, of course, a rule corresponding to the conference description information and the control right transfer instruction may be pre-stored in the UE-2, for example, a rule corresponding to a keyword and a control right access or termination instruction of the conference, science-access, entertainment-termination, and when the UE-2 receives the conference description information, it may directly know whether to accept or reject the control right transfer request according to the preset corresponding rule. In any way, if the UE-2 rejects the transfer of the control right, it may return a rejection message to the SCC AS-2 and the SCC AS-1, and if the rejection message is accepted, it may establish the conference state according to the conference description information, for example, if the conference description information includes information that the UE-1 is a role of a chairman of the conference, the UE-2, after accepting the transfer of the control right, establishes the conference state and hosts the conference with the identity of the chairman of the conference according to the role information, so AS to avoid interruption of the conference, and further, may perform the conference control.
And 103, replying a control right transfer receiving message to finish the control right transfer process.
UE-2 may send the accept message to SCC AS-1 via SCCAS-2. The order of steps 102 and 103 may be adjusted, and is not limited herein.
The embodiment of the invention receives the control right transfer request containing the conference description information through the user equipment, ensures that the user can send the instruction according to the conference description information, ensures that the user equipment can receive the control right access or termination instruction which has higher accuracy and corresponds to the conference description information, greatly reduces the execution of error instructions, and ensures the normal operation of the conference and improves the user experience.
Fig. 2 is a flowchart of another method for transferring control right in a conference state according to an embodiment of the present invention.
The method can comprise the following steps:
In this step, the SCC AS-1 serving the first user equipment receives a first control right transfer request initiated by the first user equipment, where the request may include conference description information. The conference description information may include at least any one of conference profile information, role description information in the conference, a mode of participating in the conference, an instruction whether to subscribe to the conference information, or conference participant information.
The message sent by UE-1 to SCC AS-1 and the message sent by SCC AS-1 to UE-2 may not have the same content, but both contain the conference description information.
Before sending the second control right transfer request message, the SCC AS-1 may also determine whether to allow the transfer of the control right, where the determination process may be the same AS that in the prior art, and may only determine whether the control right transfer destination, that is, the second user equipment is a trusted object, where the second user equipment information may be included in the control right transfer request; the determination criterion may also be added, for example, in addition to the above determination, it may further determine whether the control right of the transfer is the control right of the conference type, if so, the transfer is allowed, and if not, the transfer is terminated. Of course, the determination may be performed by setting a determination rule in the SCC AS-1 AS necessary. If SCCAS-1 allows the control right transfer, the request is finally forwarded to the second user equipment via SCC AS-2 serving the second user equipment, if both user equipments belong to the same SCC AS, the request may be directly forwarded to the second user equipment, and if SCC AS-1 does not allow the control right transfer, a rejection message may be returned to the first user equipment.
After the SCC AS-1 sends the second control right transfer request to the second user equipment directly or via the SCC AS-2, if the UE-2 accepts the control right transfer, it will reply an accept message to the SCC-1 directly or via the SCC AS-2, thereby completing the control right transfer process.
In this embodiment, the SCC AS receives the control right transfer request including the conference description information and sends the request including the conference description information to the second user equipment, so that the second user equipment is ensured to receive the control right access or termination instruction corresponding to the conference description information with higher accuracy, execution of the error instruction is greatly reduced, and the user equipment can establish the conference state according to the conference description information, thereby ensuring normal operation of the conference and improving user experience.
Taking the example that the UE-1 in the reference state transfers the control right to the UE-2, the UE-1 may still be in the multicast session after the control right transfer.
The first embodiment is as follows:
referring to fig. 3, in this embodiment, the method for transferring control right in a conference state may include:
step 301, UE-1 sends a first control right transfer request to SCC AS-1, where the first control right transfer request includes conference description information.
In this step, the UE-1 sends a refer (reference) message, where the refer message includes an indication for transferring control right and conference description information. SCC AS-1 is the SCCAS serving UE-1.
The indication information of the control right transfer can be implemented in various ways, for example:
1. indicating by carrying the body of the message in xml in the refer message, e.g.
<？xml version＝″1.0″encoding＝″UTF-8″？>
<control transfer/>
2. Indication is made through a request-displacement message header as follows:
Request-Disposition＝Control_Transfer
3. indication is carried out by the combination of Contact head and refer-to head, such as:
contact ═ UE-1 address >; isocontroller
Refer-To:<sip:UE-2@home2.net>；isController
Or
Contact ═ UE-1 address >; operator "control"
Refer-To:<sip:UE-2@home2.net>；actor＝″Controller″
Wherein, the Contact header is used for representing the state of the UE-1 after the transfer, and the refer-to header is used for representing the state of the UE-2 after the transfer. The SCC AS may determine that the control right is transferred based on the fact that the UE-1 is controlled after the transfer and the UE-2 is controlled. Here Contact ═ UE-1 address >; iscontroller or Contact ═ UE-1 address >; the action "control" indicates that UE-1 is a control UE after the transfer.
Refer-To: < sip: UE-2@ home2.net >; isController or Refer-To: < sip: UE-2@ home2.net >; the operator "Controller" indicates that the post-transfer UE-2 is a Controller UE.
4. Indicating by a combination of 2 contact headers, e.g.
Contact ═ UE-1 address >; isocontroller
Contact ═ UE-2 address >; isocontroller
The Contact header is used to indicate the status of the UE-1 and the UE-2 after the transfer, and the SCC AS can know that the UE-1 initiates a control transfer request according to the information. Here Contact ═ UE-1 address >; after the iscontroller transfer, UE-1 is a controlle UE; contact ═ UE-2 address >; iscontroller indicates that UE-2 after transfer is a controller UE.
In this embodiment, the conference description information included in the refer message may include conference profile information, role description information in the conference, a conference joining mode, conference participant information, an indication of whether to subscribe to the conference information, and indication information of the UE-2 in the conference. The indication that UE-2 is in a conference is optional, and SCC AS-1 can deduce that UE-2 should be in a conference subsequently through the first 2 information.
In this step, there may be various implementation manners for sending the conference description information, for example, the conference related information may be included in a SIP enhanced + XML manner, or the conference description information may be included only in an XML manner.
1. The SIP enhancement + XML method is as follows:
a. the indication of whether the subscription to the conference information is needed may indicate whether the UE-2 is needed to subscribe through actiontag in the refer-to message header, as follows:
Refer-To: < UE-2 address >; action is "Conference-Participant _ with/without _ Subscription
It may also be indicated by the operator tag of the contact header, as follows:
contact ═ UE-1 address >; action is "Conference-Participant _ with/without _ Subscription
Here, action-Conference _ with _ Subscription "indicates that the Conference is in a Conference and the Conference information is subscribed;
an action-Participant _ without _ Subscription "indicates that the Conference is in the Conference and the Conference information is not subscribed to.
b. For other meeting-related information, one or more of the following may be included:
conference profile information: conference address (conference URI), subject, content introduction, media description, language used, etc.;
in-conference role description information: a conference initiator, a conference host and a conference participant;
the conference participation mode is as follows: when to join a conference, how to join a conference, etc.;
conference participant information: public identities IMPU (IP Multimedia public identity) of other participants, contact addresses, etc.;
the purpose of the conference description information is to provide enough information for SCC AS-1, SCC AS-2 and UE-2 on one hand, so that the SCC AS-1, SCC AS-2 and UE-2 can improve the accuracy of control right transfer; on the other hand, if it is not required for UE-2 to subscribe to the conference information, the conference information needs to be provided by UE-1 to UE-2.
The conference-related information may be included in xml, for example, as follows:
< | A! -meeting information description >
<conference-description>
< display-text > introduction to conference >
< subject > meeting subject >
< keywords >
<conf-uris>
<entry>
< uri > meeting Address </uri >
</entry>
</conf-uris>
< | A! -role description of UE-1 in conference >
<users>
< user entry ═ user public identity >
<display-text>Bob Hoskins</display-text>
<associated-aors>
<entry>
<uri>mailto:bob@example.com</uri>
<display-text>email</display-text>
</entry>
</associated-aors>
<roles>
< entry > role description </entry of UE-1 in conference >
</roles>
< language used by langugages > < langugages >
<joining-info>
<when>2005-03-04T20:00:00Z</when>
<reason>invitation</reason>
<by>sip:mike@example.com</by>
</joining-info>
</users>
</conference-info>
2. The method indicated only by using the XML form is as follows:
the conference description information is carried completely by the xml message body, and a field for describing whether the target UE-2 is required to subscribe needs to be added on the basis of the above xml description, where the xml message body is exemplified by:
<？xml version＝″1.0″encoding＝″UTF-8″？>
<conference-info
xmlns＝″urn:ietf:params:xml:ns:conference-info″
entity＝″sips:conf233@example.com″
state＝″partial″version＝″5″>
<！--CONFERENCE INFO -->
<conference-description>
< display-text > introduction to conference >
< subject > meeting subject >
< keywords >
<conf-uris>
<entry>
< uri > meeting Address </uri >
</entry>
</conf-uris>
<！--HOST INFO -->
<host-info>
<subscribe-info>subscribed</subscribe-info>
</host-info>
<！-- USERS -->
<users>
< user entry ═ user public identity >
<display-text>Bob Hoskins</display-text>
<associated-aors>
<entry>
<uri>mailto:bob@example.com</uri>
<display-text>email</display-text>
</entry>
</associated-aors>
<roles>
< entry > role description </entry of UE-1 in conference >
</roles>
<languages>en</languages>
<joining-info>
<when>2005-03-04T20:00:00Z</when>
<reason>invitation</reason>
<by>sip:mike@example.com</by>
</joining-info>
</users>
</conference-info>
In step 302, SCC AS-1 determines whether UE-1 is allowed to transfer control to UE-2.
The determination process may be the same as the prior art, and only determines whether the UE-2 is a trusted object, or may add a determination criterion, for example, in addition to the above determination, it may further determine whether the transferred control right is the control right of the conference type, if so, the transfer is allowed, otherwise, the transfer is terminated. Of course, the determination may be performed by setting a determination rule in the SCC AS-1 AS necessary. If the SCC AS-1 allows the control right transfer, the process proceeds to step 303, and if not allowed, a UE-1 reject message may be returned.
Step 303, SCC AS-1 sends a second control right transfer request containing the conference description information to SCC AS-2.
Wherein, SCC AS-2 is an SCC AS serving UE-2. Of course, for the case that UE-1 and UE-2 both belong to one SCC AS, the SCC AS may directly send the second control right transfer request containing the conference description information to UE-2, and the sending procedure may be similar to the sending procedure of SCC AS-1 to SCC AS-2.
In this embodiment, the SCC AS-1 may send the control right transfer instruction and the conference description information through an Invite/re-Invite message.
For the control right transfer indication, the indication may be performed by carrying a message body in the form of xml in the invite message, such as:
<？xml version＝″1.0″encoding＝″UTF-8″？>
<control transfer/>
or by a request-allocation message header, such as:
Request-Disposition＝Control_Transfer
the conference description information may be contained in an SDP message body or an XML message body of the invite message, where the conference description information may be the same as in step 301, specifically as follows:
1. contained in the SDP body of invite message, i.e. the method of enhancing + XML by SIP:
a. the indication of whether to subscribe to the conference information may be indicated by a request-location message header, such as: Request-Disposition no _ Sub _ Conf/Sub _ Conf
Or inform the UE not to subscribe by not including an all-event conference;
whether UE-2 is required to subscribe to the conference information can also be indicated through the extension of the SIP message header;
b. the indication that UE-2 is in a conference may indicate that UE-2 is in a conference by adding an isfocus parameter to the contact message: for example
Contact＝<conference URI>；isfocus
c. The same method as described in the aforementioned step 301b may be employed for other conference related information.
2. The same method as that described in the foregoing step 301(2) may be employed for the xml message body included in the invite message.
In step 304, SCC AS-2 determines whether to allow UE-1 to transfer control to UE-2.
The determination process may be the same as the prior art, and only determines whether the UE-1 is a trusted object, or may add a determination criterion, for example, in addition to the above determination, it may further determine whether the transferred control right is the control right of the conference type, if so, the transfer is allowed, otherwise, the transfer is terminated. Of course, the determination may be performed by setting a determination rule in the SCC AS-2 AS necessary. If the SCC AS-2 allows the control right transfer, the process proceeds to step 305, and if not allowed, an SCC AS-1 reject message may be returned.
In step 305, UE-2 receives a second control transfer request containing conference description information.
In this step, UE-2 receives the invite message forwarded by SCC AS-2, and can further obtain the control right transfer indication in the invite message and the conference description information contained in the SDP message body or the XML message body.
For example, it may be known from the isfocus parameter that UE-2 is in a conference. The conference profile information and the role of UE-2 in the conference (conference creator or conference participant) etc. are known through the xml message body.
After acquiring the conference description information, the UE-2 can display the conference description information to the user in the UI of the mobile phone, then the user of the UE-2 can decide whether to allow the transfer of the control right according to the conference description information, and then the UE-2 receives the control right transfer instruction corresponding to the conference description information. Of course, the UE-2 may also pre-store the corresponding rules of the conference description information and the control right transfer instruction, such as the corresponding rules describing the keywords of the conference and the control right access or termination instruction, science and technology-access, entertainment-termination, and after receiving the conference description information, the UE-2 receives the corresponding control right transfer instruction according to the pre-stored corresponding rules.
And after receiving the control right transfer instruction, the UE-2 executes the access or termination of the control right transfer according to the instruction, executes the subsequent steps if the access is finished, and returns a rejection message if the access is terminated.
Step 306, UE-2 returns control right transfer acceptance message to SCC AS-2.
Step 307, the SCC AS-2 returns a control right transfer accept message to the SCC AS-1.
Step 308, the SCC AS-1 sends a re-invite message to the conference center.
SCC AS-1 updates a conference center (conference focus), informs the conference center that the contact address and public identity IMPU of a conference participant change, and/or informs the conference center that the first user equipment exits the conference and the second user equipment joins the conference. The conference center can acquire that the public identity and the contact address of the conference participant UE-1 change according to the session ID, update the recorded conference participant information, and send notify messages to other conference participants who subscribe to the conference information, wherein the content of the messages is that the public identity of the conference participant is changed into the IMPU and the contact address of the UE-2, and/or the UE-2 joins the conference and the UE-1 exits the conference.
Subsequently, the UE-2 may continue to control the conference based on the conference URI, the current conference information, and the other conference participant information. For example:
the UE-2 may delete the conference participant by sending a reference message to the reference URI, specifically, the reference-to includes IMPU and method of the participant as a bye message; a reference URI may be sent with a reference message to add the conference participant, specifically, the reference-to includes new IMPU and method as invite messages; the conference may be deleted by sending a reference message to the reference URI, specifically, the reference-to includes the reference URI and the method as a bye message.
For the conference description information received by the UE-2, if the conference description information includes an instruction to subscribe to the conference information, the UE-2 may send a request to subscribe to the conference information to obtain the conference related information.
In another embodiment, the conference description information sent by the UE-1 may not include an indication of whether to subscribe to the conference information, and if subscription is needed, the UE-1 may instruct the UE-2 to subscribe to the conference message from the conference center through an additional message, for example, the UE-1 may send the indication to the UE-2 through a refer message by the SCC AS, specifically, the indication may be:
Refer-To:<conference URI ；
method＝Subscribeevent＝conference & expired＝3600>
the SCC AS may also not carry indication information indicating whether to subscribe to the conference information when sending the control right transfer request. If the UE-1 subscribes to the conference information, the SCC AS indicates, through an additional message, that the UE-2 initiates a request for subscribing to the conference information, and the SCC AS may implement by sending a refer message to the UE-2, specifically, by indicating through a refer-to message header of the refer message, AS follows:
Refer-To:<conference URI ；
method＝Subscribeevent＝conference & expired＝3600>
then, after receiving the indication, UE-2 initiates a subscription request with short subscription time to the conference center to obtain the conference related information.
In the embodiment, the UE-1 sends the control right transfer request containing the conference description information to the UE-2 in multiple ways, so that the UE-2 can be ensured to receive the control right access or termination instruction which has higher accuracy and corresponds to the conference description information, the execution of error instructions is greatly reduced, the UE-2 can establish a conference state according to the conference description information, the normal operation of the conference is ensured, and the user experience is improved.
And the control right transfer request message contains the conference description information, so that the new controller UE can correctly process the related operation of the conference after the control right transfer access is completed, and the conference is ensured to be smoothly carried out. In addition, by indicating whether the UE-2 needs to subscribe the conference information or not, the operation that the UE-2 judges whether to subscribe the conference information again can be reduced, unnecessary interaction is reduced, and the user experience is improved.
Example two:
referring to fig. 4, in this embodiment, the method for transferring control right under the conference topic may include:
step 401, UE-1 sends a first control right transfer request to SCC AS-1, where the first control right transfer request includes conference description information.
In step 402, SCC AS-1 determines whether UE-1 is allowed to transfer control to UE-2.
Steps 401 to 402 are similar to the corresponding steps in the first embodiment, and are not described herein again.
In step 403, the SCC AS-1 sends a second control right transfer request to the SCC AS-2.
In this embodiment, the SCC AS-1 may send the indication of the transfer of the control right and the conference description information through the refer message.
For the control right transfer indication, the indication may be performed by carrying a message body in the form of xml in the refer message, such as:
<？xml version＝″1.0″encoding＝″UTF-8″？>
<control transfer/>
or by a request-allocation message header, such as:
Request-Disposition＝Control_Transfer
the conference description information may be contained in an SDP message body or an XML message body of the refer message, and is similar to the description of the corresponding part in the first embodiment through a method of enhancing + XML by SIP or a method of only passing through an XML message body, and is not described herein again.
In step 404, SCC AS-2 determines whether UE-1 is allowed to transfer control to UE-2.
This step is similar to step 304 and will not be described herein again.
In step 405, UE-2 receives a second control right transfer request containing conference description information.
In this step, UE-2 receives the refer message forwarded by SCC AS-2, and can further obtain the control right transfer indication in the refer message and the conference description information contained in the SDP message body or the XML message body.
And after receiving the control right transfer instruction, the UE-2 executes the access or termination of the control right transfer according to the instruction, executes the subsequent steps if the access is finished, and returns a rejection message if the access is terminated.
In step 406, the UE-2 returns a control right transfer acceptance message to the SCC AS-2 through the invite message.
Step 407, the SCC AS-2 returns a control right transfer acceptance message to the SCC AS-1 through the invite message.
Step 408, SCC AS-1 sends re-invite message to the conference center.
SCC AS-1 updates the conference center and informs the conference center that the contact address and public identity IMPU of the conference participant have changed. The conference center can acquire that the public identity and the contact address of the conference participant UE-1 change according to the session ID, update the recorded conference participant information, and send notify messages to other conference participants who subscribe to the conference information, wherein the content of the messages is that the public identity of the conference participant is changed into the IMPU and the contact address of the UE-2, or the UE-2 joins in the conference, and the UE-1 exits the conference.
Subsequently, the UE-2 may continue to control the conference based on the conference URI, the current conference information, and the other conference participant information. This step is similar to the step 308 and will not be described herein again.
In the embodiment, the UE-1 sends the control right transfer request containing the conference description information to the UE-2 in multiple ways, so that the UE-2 can be ensured to receive the control right access or termination instruction which has higher accuracy and corresponds to the conference description information, the execution of error instructions is greatly reduced, the UE-2 can establish a conference state according to the conference description information, the normal operation of the conference is ensured, and the user experience is improved.
In order to describe the embodiments of the method of the present invention in detail, the following describes an apparatus or system for implementing the method with specific embodiments.
Fig. 5 is a schematic structural diagram of a ue according to an embodiment of the present invention.
The user equipment may include:
a message receiving unit 501, configured to receive a control right transfer request sent by an SCC AS in a conference state, where the control right transfer request includes conference description information, and the conference description information at least includes any one of conference profile information, role description information in the conference, a conference joining mode, an instruction of whether to subscribe to the conference information, or conference participant information.
A conference establishing unit 502, configured to establish a conference state according to the conference description information.
A message replying unit 503, configured to reply the control right transfer accepting message, and complete the control right transfer process.
After receiving the control right transfer request forwarded by the SCC AS, the message receiving unit 501 of the user equipment may display the request including the conference description information to the user, and under the condition of accepting the control right transfer, the conference establishing unit 502 then establishes a conference state according to the conference description information, and the message replying unit 503 replies a control right transfer acceptance message to the SCC AS, thereby completing the control right transfer process.
In another embodiment of the present invention, the message receiving unit 501 may further include:
a receiving subunit, configured to receive a refer message or an invite message sent by an application server SCC AS;
and the obtaining subunit is configured to obtain the control right transfer indication in the refer message or the invite message and the conference description information included in the SDP message body or the XML message body.
In this embodiment, the message receiving unit 501 receives the second control right transfer request including the conference description information, and the conference establishing unit 502 and the message replying unit 503 ensure that the user equipment can receive the control right access or termination instruction corresponding to the conference description information with higher accuracy, thereby greatly reducing the execution of the error instruction, ensuring that the user equipment can establish the conference state according to the conference description information, ensuring the normal operation of the conference, and improving the user experience.
Fig. 6 is a schematic structural diagram of another ue according to an embodiment of the present invention.
The user equipment may comprise a conference control unit 604 and a conference information acquisition unit 605 in addition to the message receiving unit 601, the conference establishing unit 602 and the message replying unit.
The conference control unit 604 is configured to, in a case that the control right transfer is accepted, send a refer message to a conference address to control the conference, where the conference address is included in the conference description information. A conference information obtaining unit 605, configured to send a request for subscribing to the conference information to the conference center when the conference description information includes an instruction for subscribing to the conference information.
In this embodiment, through the message receiving unit 601, the conference establishing unit 602, and the message replying unit 603, it is ensured that the user equipment can receive the control right access or termination instruction corresponding to the conference description information with higher accuracy, so that execution of the error instruction is greatly reduced, and it is ensured that the user equipment can establish a conference state according to the conference description information, thereby ensuring normal operation of the conference and improving user experience.
And the conference description information received by the message receiving unit 601 can ensure that the conference control unit 604 can correctly process the related operation of the conference after the transfer access of the control right is completed, thereby ensuring the smooth proceeding of the conference. In addition, the conference information obtaining unit 605 may reduce the operation of the user equipment to judge whether to subscribe the conference information again according to the instruction of whether to subscribe the conference information, reduce unnecessary interaction, and improve user experience.
Fig. 7 is a schematic structural diagram of an application server according to an embodiment of the present invention.
The application server SCC AS may include a request receiving unit 701, a request transmitting unit 702, and a message receiving unit 703.
A request receiving unit 701, configured to receive a first control right transfer request, which is sent by a first user equipment and transfers a control right to a second user equipment, where the first control right transfer request includes conference description information, and the conference description information at least includes any one of conference profile information, role description information in a conference, a conference joining mode, an instruction of whether to subscribe to conference information, or conference participant information.
A request sending unit 702, configured to send a second control right transfer request to the second user equipment, where the second control right transfer request includes conference description information, so that the second user equipment establishes a conference state according to the conference description information.
A message receiving unit 703, configured to receive the control right transfer acceptance message sent by the second ue, and complete the control right transfer process.
After the SCC AS receives, by the request receiving unit 701, a first control right transfer request containing conference description information sent by the first user equipment, the SCC AS may determine whether to allow the control right transfer, and if not, may send a rejection message back to the first user equipment, and if so, the request sending unit 702 may send the second control right transfer request containing the conference description information directly to the second user equipment, or send the second control right transfer request to the second user equipment through the SCC AS serving the second user equipment, so that the second user equipment may establish a conference state according to the conference description information, and then the message receiving unit 703 receives a control right transfer acceptance message sent by the second user equipment, thereby completing a control right transfer process. The conference description information may include one or any combination of the following information: meeting brief introduction information, role description information in the meeting, meeting participation mode, meeting participant information, and instruction of whether to subscribe to the meeting information.
In this embodiment, the request receiving unit 701 of the SCC AS receives the first control right transfer request including the conference description information, and the request sending unit 702 sends the second control right transfer request including the conference description information to the second user equipment, so that the second user equipment is ensured to receive the control right access or termination instruction corresponding to the conference description information with higher accuracy, execution of the error instruction is greatly reduced, and the user equipment is ensured to establish the conference state according to the conference description information, thereby ensuring normal operation of the conference and improving user experience.
Fig. 8 is a schematic structural diagram of a control right transfer system in a conference state according to an embodiment of the present invention.
The system may comprise a first user equipment 801, a SCC AS802 and a second user equipment 803.
The first user equipment 801 is configured to send a first control right transfer request for transferring a control right to the second user equipment 803 to the SCC AS802, where the first control right transfer request includes conference description information.
An SCC AS802, configured to receive a first control right transfer request, which is sent by a first user equipment 801 and transfers a control right to a second user equipment 803, where the first control right transfer request includes conference description information; sending a second control right transfer request to the second user equipment 803, where the second control right transfer request includes conference description information, so that the second user equipment 803 establishes a conference state according to the conference description information; and receiving a control right transfer acceptance message sent by the second user equipment 803, and completing the control right transfer process.
A second user equipment 803, configured to receive a second control right transfer request sent by the SCC AS802, where the second control right transfer request includes conference description information; establishing a conference state according to the conference description information; and replying a control right transfer receiving message to finish the control right transfer process.
The conference description information may include one or any combination of the following information: meeting brief introduction information, role description information in the meeting, meeting participation mode, meeting participant information, and instruction of whether to subscribe to the meeting information.
According to the embodiment, the second user equipment can receive the control right access or termination instruction which is higher in accuracy and corresponds to the conference description information, execution of error instructions is greatly reduced, the user equipment can establish a conference state according to the conference description information, normal operation of a conference is guaranteed, and user experience is improved.
The specific implementation process of each unit in the above apparatus or system is similar to the corresponding part of the foregoing method embodiment, and is not described here again.
The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. A control right transfer method in a conference state is characterized by comprising the following steps:
receiving a control right transfer request sent by a service centralization and session continuity application server SCC AS, wherein the control right transfer request comprises conference description information, and the conference description information at least comprises any one of conference introduction information, role description information in a conference, a conference joining mode, a conference information subscription instruction or conference participant information;
establishing a conference state according to the conference description information;
and replying a control right transfer receiving message to finish the control right transfer process.
2. The method of claim 1, further comprising:
and if the conference description information contains a command for subscribing the conference information, sending a request for subscribing the conference information to a conference center.
3. A control right transfer method in a conference state is characterized by comprising the following steps:
receiving a first control right transfer request which is sent by first user equipment and transfers the control right to second user equipment, wherein the first control right transfer request comprises conference description information, and the conference description information at least comprises any one of conference brief introduction information, role description information in a conference, a conference joining mode, an instruction of whether to subscribe conference information or conference participant information;
sending a second control right transfer request to the second user equipment, wherein the second control right transfer request contains the conference description information, so that the second user equipment establishes a conference state according to the conference description information;
and receiving a control right transfer receiving message sent by the second user equipment to complete the control right transfer process.
4. The method of claim 3, wherein the first control transfer request includes a control transfer indication by:
carrying a message body in an xml form in a reference message to contain a control right transfer indication; or,
the control right transfer indication is contained through a request-displacement message header; or,
the control right transfer indication is contained by the combination of the Contact head and the refer-to head; or,
the two contact headers jointly contain a control right transfer indication.
5. The method of claim 3, wherein the first control transfer request includes the instruction of whether to subscribe to conference information by:
the instruction of whether to subscribe the conference information is contained by an actor tag in a refer-to message header or a contact header, or contained by xml.
6. The method of claim 3, further comprising:
and sending a message to the second user equipment, wherein the message indicates that the second user equipment subscribes the conference information to a conference center.
7. The method of claim 3, further comprising:
and sending an update message to a conference center, informing the conference center that the contact addresses and the public identities of the participants change, and/or informing the conference center that the first user equipment exits the conference and the second user equipment joins the conference.
8. A user device, comprising:
a message receiving unit, configured to receive a control right transfer request sent by an SCC AS in a conference state, where the control right transfer request includes conference description information, and the conference description information at least includes any one of conference profile information, role description information in the conference, a conference joining mode, an instruction whether to subscribe to the conference information, or conference participant information;
the conference establishing unit is used for establishing a conference state according to the conference description information;
and the message reply unit is used for replying the control right transfer receiving message to finish the control right transfer process.
9. The user equipment of claim 8, further comprising:
and the conference information acquisition unit is used for sending a request for subscribing the conference information to the conference center when the conference description information contains an instruction for subscribing the conference information.
10. An application server, comprising:
a request receiving unit, configured to receive a first control right transfer request, which is sent by a first user equipment and transfers a control right to a second user equipment, where the first control right transfer request includes conference description information, and the conference description information at least includes any one of conference profile information, role description information in a conference, a conference joining mode, an instruction of whether to subscribe to conference information, or conference participant information;
a request sending unit, configured to send a second control right transfer request to the second user equipment, where the second control right transfer request includes the conference description information, so that the second user equipment establishes a conference state according to the conference description information;
and the message receiving unit is used for receiving the control right transfer receiving message sent by the second user equipment and finishing the control right transfer process.
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| CN2009102525183A CN102111387A (en) | 2009-12-23 | 2009-12-23 | Method for transferring control power in conference state and user equipment |
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| CN2009102525183A CN102111387A (en) | 2009-12-23 | 2009-12-23 | Method for transferring control power in conference state and user equipment |
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