CN101790134B - Method, device and system for establishing session - Google Patents
Method, device and system for establishing session Download PDFInfo
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- CN101790134B CN101790134B CN200910045708A CN200910045708A CN101790134B CN 101790134 B CN101790134 B CN 101790134B CN 200910045708 A CN200910045708 A CN 200910045708A CN 200910045708 A CN200910045708 A CN 200910045708A CN 101790134 B CN101790134 B CN 101790134B
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- message
- session
- subscriber equipment
- mbcp
- establishment information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
- H04W4/10—Push-to-Talk [PTT] or Push-On-Call services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/40—Connection management for selective distribution or broadcast
- H04W76/45—Connection management for selective distribution or broadcast for Push-to-Talk [PTT] or Push-to-Talk over cellular [PoC] services
Abstract
The embodiment of the invention provides a method, a server, a piece of user equipment and a network system for establishing a session, wherein the method comprises the following steps of: receiving a message which comprises session establishing information and is transmitted by calling side user equipment through a user plane; and establishing the session according to the session establishing information. The server comprises a receiving unit and a session processing module, wherein the receiving unit is used for receiving the message which comprises the session establishing information and is transmitted by the calling side user equipment through the user plane, and the session processing module is used for establishing the session according to the session establishing information. The user equipment comprises a sending unit and a receiving module, wherein the sending unit is used for sending the message which comprises the session establishing information and is transmitted to the server through the user plane, and the receiving module is used for receiving the message which comprises the session establishing result and is transmitted by the server through the user plane. According to the technical scheme provided by the embodiment of the invention, the time delay in the session establishing process can be reduced.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of method, Apparatus and system of setting up session.
Background technology
At present all will be through message repeatedly in setting up conversation procedure between two subscriber equipmenies in the miscellaneous service mutual, these interaction messages adopt the message on the control plane more.
For example; PoC (Push to talk over Cellular; Push-to-talk service based on Cellular Networks) professional permission user and one or more user communicate; Press-and-talk have convenient, the advantage rapidly of conversation, and the content of communication can comprise multiple medium types such as voice, audio frequency, video.The PoC system comprises functional entitys such as PoC client, PoC server; Wherein the PoC server is divided into PoC participation function server (PoC Server performing Participating PoC Function; Be called for short PFserver) and PoC controlled function server (PoC Server performing the Controlling PoCFunction; Be called for short CF server), be in charge of the access of PoC client and the control of PoC session respectively.In PoC service; PoC session can be divided into control plane and two parts of user plane; Main use at present is SIP (Session Initiation Protocol, session initiation protocol) agreement on the control plane, is used for the control and the management of PoC session; The for example foundation of session, release etc.; User plane has used the protocol stack structure based on RTP/RTCP (Real-time Transport Protocol/RTP Control Protocol, RTP/RTP control protocol), is used for transmission, the media transmission quality feedback of user media, to the control of Media Stream sending permission etc.
Prior art is in setting up the process of PoC session; The Calling Side subscriber equipment sends and sets up request message based on the session of control plane; This session is set up request message and is sent on the callee side subscriber equipment through the PoC server; The callee side subscriber equipment returns again based on the session of control plane and sets up response message, sends on the Calling Side subscriber equipment through above-mentioned path, accomplishes thereby make session set up.Setting up IMS (IP Multimediasubsystem, the IP Multimedia System) territory that request message and response message all need pass through the SIP/IP core based on the session of control plane transmits.
In the above-mentioned prior art, the message transmission time delay that session is set up in the process is longer, influences user's business experience.
Summary of the invention
In view of this, the purpose of the embodiment of the invention is to provide a kind of method, server, subscriber equipment and network system of setting up session, the time delay in the time of can reducing session and set up.
According to an aspect of the present invention, a kind of method of setting up session is provided, comprises:
Receive the message that comprises session establishment information that the Calling Side subscriber equipment sends through user plane;
Setting up session according to session establishment information handles.
According to a further aspect in the invention, a kind of method of setting up session is provided, comprises:
Through the message that comprises session establishment information of user plane to the server transmission;
The message that the result is set up in session that comprises through the transmission of user plane reception server.
According to a further aspect in the invention, a kind of server is provided, comprises:
Receiving element is used to receive the message that comprises session establishment information that the Calling Side subscriber equipment sends through user plane;
The session processing module is used for setting up message according to session and sets up the session processing.
According to a further aspect in the invention, a kind of subscriber equipment is provided, comprises:
Transmitting element is used for the message that comprises session establishment information of sending to server through user plane;
Receiver module is used for the message that the result is set up in session that comprises through the transmission of user plane reception server.
According to a further aspect in the invention, a kind of network system is provided, this network system can communicate with subscriber equipment, comprising:
Participate in function server; Be used to receive the message that comprises session establishment information that the Calling Side subscriber equipment sends through user plane; Send session to session control server and set up request message; Receive the message that the result is set up in session that comprises of session control server transmission, comprise the message that the result is set up in session to the transmission of Calling Side subscriber equipment;
Session control server is used to receive session and sets up request message, sends session to callee side user belonging network and sets up request message, receives the message that the result is set up in session that comprises that callee side subscriber equipment belonging network returns.
According to a further aspect in the invention, a kind of network system is provided, this network system can communicate with subscriber equipment, comprising:
Server; Be used to receive the message that comprises session establishment information that the Calling Side subscriber equipment sends through user plane; Send session to callee side user belonging network and set up request message; Receive the message that the result is set up in session that comprises of callee side user belonging network transmission, comprise the message that the result is set up in session to the transmission of Calling Side subscriber equipment.
Can find out by above-mentioned disclosed technical scheme; In embodiments of the present invention because subscriber equipment need not pass through the IMS territory of SIP/IP core sends based on control plane session and set up request message; But utilize user-plane message to issue server; Outwards send session by server apparatus again and set up request message, and described user-plane message length reduces than the length of control plane signaling message greatly, therefore reduced the time delay of transmitting and transmit two aspects; Thereby with respect to prior art, the time delay that whole session is set up in the process is significantly less.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of schematic flow sheet of setting up the method for session that the embodiment of the invention one provides;
Fig. 2 is a flow chart of setting up a kind of concrete realization that session handles in the embodiment of the invention one according to session establishment information;
Fig. 3 sets up the another kind of concrete flow chart of realizing that session is handled according to session establishment information in the embodiment of the invention one;
Fig. 4 sets up another concrete flow chart of realizing that session is handled according to session establishment information in the embodiment of the invention one;
Fig. 5 is a kind of schematic flow sheet of setting up the method for session that the embodiment of the invention two provides;
Fig. 6 is the flow chart that PoC service that the embodiment of the invention three provides is set up the method for session;
Fig. 7 is to original sketch map of expanding based on the Connect message of MBCP agreement in the embodiment of the invention;
Fig. 8 is to original sketch map of expanding based on the Acknowledgement message of MBCP agreement in the embodiment of the invention;
Fig. 9 is a kind of flow chart of setting up the method for session that the embodiment of the invention four provides;
Figure 10 is a kind of flow chart of setting up the method for session that the embodiment of the invention five provides;
Figure 11 a is a kind of flow chart of setting up the method for session that the embodiment of the invention six provides;
Figure 11 b is the sketch map of in the embodiment of the invention original another kind that carries out based on the Acknowledgement message of MBCP agreement being expanded;
Figure 12 is the sketch map of a kind of server of providing of the embodiment of the invention seven;
Figure 13 is a kind of concrete realization sketch map of session processing module in the embodiment of the invention seven;
Figure 14 is the another kind of concrete sketch map of realizing of session processing module in the embodiment of the invention seven;
Figure 15 is the sketch map of a kind of subscriber equipment of providing of the embodiment of the invention eight;
Figure 16 is the sketch map of a kind of network system of providing of the embodiment of the invention nine;
Figure 17 is the sketch map of a kind of network system of providing of the embodiment of the invention ten.
Embodiment
In realizing process of the present invention; The inventor finds, in the prior art because request message is set up in session and response message is set up in session, all need on control plane, transmit in the IMS territory through the SIP/IP core; And it is bigger based on the message routing forwarding time delay in IMS territory; So can set up the signalling route forwarding time delay that the information that responds both direction is sent respectively to be increased a few tens of milliseconds even can arrive up to a hundred milliseconds in session foundation request and session, on the other hand, set up message owing to have a large amount of sessions in the Invite message; Cause the Invite message-length bigger; SIP Invite message-length on the common control plane is all at several thousand bits, and when aloft the channel width of interface was several kbps or tens kbps, also aloft interface produced the hundreds of millisecond even reaches second propagation delay time of level; Because the time delay that above-mentioned routing forwarding time delay and propagation delay time cause session to be set up is very long, have a strong impact on user's business experience.
Set up the time delay in the process in order effectively to reduce session; Improve user experience, proposed the technical scheme of the embodiment of the invention, will combine the accompanying drawing in the embodiment of the invention below; Technical scheme in the embodiment of the invention is carried out clear, intactly description; Obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Below in conjunction with accompanying drawing the embodiment of the invention is described in detail.
Embodiment one
Referring to Fig. 1, the embodiment of the invention one provides a kind of method of setting up session, and this method comprises the steps:
Step S101: receive the message that comprises session establishment information that the Calling Side subscriber equipment sends through user plane;
Wherein, Above-mentioned user plane can be the user plane of pre-established session; Pre-established session is the unactivated session of setting up between subscriber equipment and the subscriber equipment belonging network, when calling subscriber equipment hopes to set up session with other called subscriber equipments, and can newly-built once more session between calling subscriber equipment and calling subscriber equipment belonging network; And use the unactivated session of having set up, come further to set up the session between calling subscriber equipment and the called subscriber equipment.
Step S102: set up session according to session establishment information and handle.
Wherein, as shown in Figure 2, step S102 can specifically comprise:
Step S10211:, send session to session control server and set up request message according to said session establishment information;
Step S10212: the message that the result is set up in session that comprises that receives the conversation controller transmission;
Wherein, to set up the result can be that session is set up and successfully also can be made session set up failure in session.
Step S10213: comprise the message that the result is set up in session to the transmission of Calling Side subscriber equipment through user plane.
In addition, step S102 can further include: send the response message that is used to represent to receive the message that comprises session establishment information to the Calling Side subscriber equipment through user plane.
Need to prove that the message among the step S102 can perhaps also can be that conversation controller itself is integrated in the executive agent of present embodiment without session control server, as shown in Figure 3 at this moment, step S102 can specifically comprise:
Step S10221:, send session to callee side subscriber equipment belonging network and set up request message according to said session establishment information;
Step S10222: the message that the result is set up in session that comprises that receives the transmission of callee side subscriber equipment belonging network;
Step S10223: comprise the message that the result is set up in said session to the transmission of Calling Side subscriber equipment through user plane.
In addition, step S102 can further include: send the response message that is used to represent to receive the message that comprises session establishment information to the Calling Side subscriber equipment through user plane.
In technique scheme, step S102 also can specifically comprise the steps, and is as shown in Figure 4:
Step S10231:, send the message that the expression session has been set up to the Calling Side subscriber equipment through user plane;
Step S10232:, send session to session control server and set up request message according to session establishment information;
Step S10233: the message that the result is set up in session that comprises that receives the conversation controller transmission.
At this moment, when the result was set up in session for failure, step S102 also comprises: the message that will comprise failure result sent to the Calling Side subscriber equipment through user plane.
According to the embodiment of the invention; Receive the message that comprises session establishment information that the Calling Side subscriber equipment sends through user plane, send session according to session establishment information then and set up request, with respect to prior art; Reduced and utilized control plane to transmit message number based on Session Initiation Protocol; And the route of user-plane message process is also simplified a lot than control plane message, user-plane message is no longer passed through the forwarding in SIP territory, helps reducing the time-delay that causes in the repeating process; In addition; Since the user-plane message of using significantly reduce with respect to the message-length of control plane, reduce to tens bits or a hundreds of bit from several thousand original bits, the time delay of message transfer under the band-limited situation is obviously reduced; So generally speaking lowered the time delay that process is set up in session, user's experience obviously promoted.
Embodiment two
Referring to Fig. 5, the embodiment of the invention one provides a kind of method of setting up session, comprising:
Step S501: through the message that comprises session establishment information of user plane to the server transmission;
Step S502: through the message that the result is set up in session that comprises of user plane reception server transmission.
Can also comprise: through the response message that the user plane reception server sends, said response message representes that server has received the said message that comprises session establishment information.
According to present embodiment; In setting up conversation procedure, at first utilize user plane to send the message that comprises session establishment information, with respect to prior art; Reduced and utilized control plane to transmit message number based on Session Initiation Protocol; Also transmit the number of times of message with regard to the corresponding less IMS territory of SIP/IP core that utilizes, thus the time delay brought because of forwards significantly reduced, and also the message-length that utilizes user plane to send significantly reduces; Reduce to tens bits or a hundreds of bit from several thousand bits of control plane message; The time delay of message transfer under the band-limited situation obviously reduced,, user's experience is obviously promoted so generally speaking lowered the time delay that process is set up in session.
Embodiment three
Be that example specifies the embodiment of the invention with the concrete PoC service session of setting up below.
In the present embodiment, the PoC that server is specially under the Calling Side subscriber equipment participates in function server, and subscriber equipment can be the PoC client, and session control server is a PoC controlled function server.As shown in Figure 6, the method for setting up session that present embodiment provides comprises:
PoC under Calling Side subscriber equipment 601 and the Calling Side subscriber equipment participates in existing between the function server 602 the pre-established session of setting up in advance.
Step S601: Calling Side subscriber equipment 601 is when hope and callee side subscriber equipment 605 are set up session; Use the user plane of above-mentioned pre-established session, the PoC under Calling Side subscriber equipment 601 participates in function server 602 and sends the message that comprises session establishment information;
Wherein, especially, the above-mentioned message that comprises session establishment information can adopt the connection message based on the MBCP agreement, for example Connect message.
Above-mentioned connection message specifically passes through RAN (Radio Access Network; Wireless access network), SGSN (Service GPRS Support Node; Serving GPRS Support Node) and GGSN (Gateway GPRSService Node; The gateway GPRS service node) sends to the affiliated PoC of Calling Side subscriber equipment and participate on the function server 602, do not need forwarding, thereby can save the time delay of message process like process SIP/IP core IMS territory in the prior art.
Step S602: the PoC under the Calling Side subscriber equipment participates in function server 602 and uses user plane to send response message to Calling Side subscriber equipment 601, comprises the information that the indication session has been set up in this response message.After Calling Side subscriber equipment 601 was received this affirmation response message, 601 of Calling Side subscriber equipmenies thought that session sets up.
Similar, as shown in Figure 6, this confirms that response message can be the affirmation message based on the MBCP agreement, for example Acknowledgement message.
Particularly, this affirmation response message sends on the calling part user equipment 601 through GGSN, SGSN, RAN, no longer need pass through the IMS territory of SIP/IP core and transmit, thereby save the time delay that message is transmitted.
Need to prove; When the above-mentioned message that comprises session establishment information adopts the connection message based on MBCP; The inventor finds that existing connection message based on the MBCP agreement can only be used in called subscriber equipment one side; In like manner existing affirmation message based on the MBCP agreement can not directly be used to the embodiment of the invention; So the inventor expands original connection message and acknowledge message based on the MBCP agreement, to be fit to the needs of the embodiment of the invention, concrete extended mode can comprise two kinds:
One of which: the protocol message that in the MBCP agreement, increases newtype; The protocol message of use newtype can be according to the general message format of MBCP agreement; Define new type of message; And in message content, comprise session establishment information; For example comprise: the type information of session, the callee side ID that session is set up in request when invited user (single) or the tabulation of callee side ID when invited user (a plurality of) or callee side group identification (when inviting PoC group) are set up in sender's identification information, pre-established session label information, request or sign (when request adds the PoC session that has existed), the callee side user answer pattern information of the PoC session of hoping to add, use PoC Box information, whether support the information of discrete media, the PoC client is sent to ownership PoC server with this MBCP message.
Its two, on the basis of original MBCP protocol message type, increase new parameter field or special information bits to comprise session establishment information.
For example; Fig. 7 shows a kind of to carry out the concrete realization of extended method based on the Connect message of MBCP agreement; Wherein, " SSRC of PoC Server performing the Participating PoCFunction " implication is " sending the SSRC sign of the PF Server of this MBCP Connect message " originally, and the field after this field meaning expansion is represented " sending the PF Server of this MBCP Connect message or the SSRC sign of PoC client ".When PF Server receives the MBCPConnect message that the PoC client sends; Can handle according to the method that the present invention proposes, promptly connect with the PoC client between pre-established session and ask to set up PoC session to the Invite that PoC controlled function server sends control plane.
" SDES item content " field has 16 bits, has only used 6 bits wherein in the prior art, and like ABCDEFxxxxxxxxxx, wherein bit is not used in the x representative, and the indication bit of newly-increased this field of the present invention is expanded.Newly-increased abcdef bit, new field is ABCDEFxxabcdefxx, wherein a bit is represented the ID sign of invited user; A plurality of users' that the b bit is represented to be invited tabulation; The c bit is represented the PoC session sign, and the d bit is represented the PoC group identification, and the e bit representes session invitation not hope to be routed to PoC Box, and (PoC Box is a kind of memory device in the PoC service; Be similar to voice mail), the f bit representes to hope that session invitation only is sent out the Box to PoC.After PF Server receives the MBCP Connect message of calling subscriber equipment transmission, in need the information mapping of these indication bit being asked to Invite.
" Add.indic. " field has 8 bits, has now only used 4 bits wherein, ABCDxxxx, and wherein bit is not used in the x representative, and the newly-increased indication bit of this field is expanded.Newly-increased EF bit, new field is ABCDEFxx, and wherein E need to represent the invited user manual answering, and the F bit is represented needs support discrete media.After PF Server receives the MBCPConnect message of calling subscriber equipment transmission, in need the information mapping of these indication bit being asked to Invite.
" SDES items " field representes to send the user's of session invitation sign originally; The newly-increased implication of expansion has increased the PoC user that invited, or the PoC user list of being invited, or the PoC session of being invited, or the PoC group that invited; After PF Server receives the MBCPConnect message of calling subscriber's transmission; If detect and to carry out follow-up session and set up then select PoC user that quilt wherein invites, or the PoC user list of being invited, or the PoC session of being invited, or the PoC group that invited, and these information are filled up in the Invite request of generation.
Fig. 8 shows a kind of to carry out the concrete realization of extended method based on the Acknowledgement message of MBCP agreement:
" SSRC of PoC Client sending the acknowledgement message " field implication is " sending the SSRC sign of the PoC client of this MBCP Acknowledgement message " originally, and the field after this field meaning expansion is represented " sending the PF Server of this MBCP Acknowledgement message or the SSRC sign of PoC client ".When PF Server receives the MBCP Connect message that the PoC client sends; Can handle according to the method that the present invention proposes; Promptly connect with the PoC client between pre-established session and ask to set up PoC session to the Invite that PoC controlled function server sends control plane, and return MBCP Acknowledgement message to the PoC client.
" padding " field is fill field originally; Be expressed as " padding/failure code " after this field meaning expansion; Expression fill field or failure code error reason sign indicating number are represented fill field under certain conditions, represent the error reason sign indicating number under some condition.
" reason code " field had defined three kinds of results originally; Be respectively " Accepted ", " Busy " and " Not Accepted "; The extended method that the present invention proposes is when the result who returns is " Not Accepted "; " padding/failure code " field implication is " failure code ", includes in this field to cause session to set up the failure cause code of failure, for example can be can't the accept session reason of connection request of PoC session server just.
Step S603:PoC participates in function server 602 according to above-mentioned session establishment information, sends session to PoC controlled function server 603 and sets up request message, and the PoC session between Calling Side subscriber equipment 601 and the callee side subscriber equipment 605 is set up in request.
As shown in Figure 6, request message is set up in this session can adopt the Invite message based on common Session Initiation Protocol, and the form of Invite message belongs to the technology of well known to a person skilled in the art, repeats no more here.
Step S604:PoC controlled function server 603 sends session to callee side subscriber equipment belonging network 304 and sets up request message;
In like manner, this session is set up request message and also can be adopted the Invite message based on Session Initiation Protocol.
Setting up the occasion of PoC session, callee side subscriber equipment belonging network 604 also can comprise by similar Calling Side: the PoC under the callee side subscriber equipment participates in function server.
Step S605: callee side subscriber equipment belonging network 604 carries out setting up process with the session of callee side subscriber equipment 605;
Wherein, The session that callee side subscriber equipment belonging network 604 carries out is set up in process and the prior art similar; Can comprise: the affiliated PoC of callee side subscriber equipment participates in function server and receives session foundation request, for example can adopt Invite message, and the forwarding of the corresponding SIP/IP core of process callee side; Invite message is sent to the callee side subscriber equipment, and the callee side subscriber equipment returns response message through above-mentioned path.
Step S606: callee side subscriber equipment belonging network 604 sends response message to PoC controlled function server 603, and this response message is an acknowledge message in the present embodiment, and expression callee side subscriber equipment 605 receives session and sets up request.
After step S607:PoC controlled function server 603 receives and confirms response message, participate in function server 602 transmissions to PoC and comprise the message that the result is set up in session, for confirming response message, it is successfully that the result is set up in session in the present embodiment.
Step S608: successfully set up session between Calling Side subscriber equipment 601 and the callee side subscriber equipment 605.
Need to prove; Be to be example in the present embodiment to set up PoC session; PoC participates in function server and sets up request message to session control server transmission session in setting up the process of PoC session, and in other concrete application scenario, for example; Session control server and PoC participate in function server be integrated in the equipment or network settings for not passing through session control server; PoC participates in function server also can directly set up request message to callee side subscriber equipment belonging network transmission session, and in like manner, PoC participates in function server also can be directly from callee side subscriber equipment belonging network confirmation of receipt response message.
In addition, the step S602 in the such scheme also can carry out between step S607 and step S608.
According to the embodiment of the invention; Setting up IMS territory that Calling Side subscriber equipment in the process of PoC session need not pass through the SIP/IP core sends based on control plane session and sets up request message to participating in function server; But utilize user plane to send the connection message that comprises session establishment information to participating in function server; Outwards send session by the participation function server and set up request message, reduced the number of times that message is transmitted in the IMS territory that utilizes the SIP/IP core like this, significantly reduced the time delay in the repeating process; Simultaneously owing to the message based on user plane significantly reduces based on the message-length of control plane; So the time delay of present embodiment in message transmitting procedure also significantly reduces, generally speaking, the time delay of setting up in the process in session significantly reduces.
Embodiment four
Consider to detect the situation that can't set up session in the method for setting up session that provides in the embodiment of the invention, return the failure response message that comprises failure cause information to the Calling Side subscriber equipment this moment.Following mask body specifies present embodiment with PoC service, and is as shown in Figure 9, and the method for setting up session that present embodiment one provides comprises:
Step S901: Calling Side subscriber equipment 901 is when hope and callee side subscriber equipment 905 are set up session; Use the user plane of pre-established session, the PoC under Calling Side subscriber equipment 901 participates in function server 902 and sends the message that comprises session establishment information;
Wherein, especially, above-mentioned message can adopt the connection message based on MBCP.
Should can adopt in the similar embodiment three extended method based on connection message of MBCP to the connection message of original MBCP agreement.
Step S902:PoC participation function server 902 detects can't accomplish this session foundation request, then refuses this session and sets up request;
Step S903:PoC participates in function server 902 and utilizes user plane to return the message that comprises failure result to Calling Side subscriber equipment 901, and this message also can comprise failure cause.
Especially, this failure response message can be the affirmation message based on the MBCP agreement.
Wherein, should also can adopt in the similar embodiment three extended mode based on affirmation message of MBCP agreement to original acknowledge message.
In addition, Calling Side subscriber equipment 901 can be handled according to failure result that receives and failure cause after receiving above-mentioned failure response message accordingly, and for example display reminding information is given the user.
Need to prove; PoC participates in function server and sets up request message to session control server transmission session in setting up the process of PoC session; And in other concrete application scenario; For example, session control server and PoC participate in function server be integrated in the equipment or network settings for not passing through session control server, PoC participates in function server also can directly set up request message to callee side subscriber equipment belonging network transmission session; In like manner, PoC participation function server also can be directly from callee side subscriber equipment belonging network confirmation of receipt response message.
According to present embodiment; Calling Side subscriber equipment and PoC participate in carrying out alternately through the message of user plane between the function server; Owing to need not pass through the forwarding in the IMS territory of SIP/IP core, and the message-length of user plane is shorter, detects the situation that to accomplish this session foundation request so participate in function server at PoC; With respect to prior art, the Calling Side subscriber equipment can learn that session sets up the result within a short period of time.
Embodiment five
Consider in the present embodiment when among the embodiment one when sending out the situation of receiving the message that can't set up session after request message is set up in session; Send the message that comprises failure result this moment through user plane; After said Calling Side subscriber equipment is received above-mentioned message, return the affirmation response message.Stop this session and set up request.
Be example below with the PoC service, specify the embodiment of the invention, shown in figure 10, this method comprises:
Step S1001: Calling Side subscriber equipment 1001 is when hope and callee side subscriber equipment are set up session; Use the user plane of the pre-established session of setting up in advance, the PoC under the Calling Side subscriber equipment participates in function server 1002 and sends the message that comprises session establishment information;
Wherein, especially, above-mentioned connection message can adopt the connection message based on MBCP.
Should can adopt in the similar embodiment three extended method based on connection message of MBCP to the connection message of original MBCP agreement.
Step S1002:PoC participates in function server 1002 and uses user plane to send response message to Calling Side subscriber equipment 1001, and the message that function server 1002 has received that Calling Side subscriber equipment 1001 sends is participated in this response message indication.After Calling Side subscriber equipment 1001 was received this affirmation response message, 1001 of Calling Side subscriber equipmenies thought that session sets up.
This confirms that response message can be the affirmation message based on the MBCP agreement.
Wherein, should also can adopt in the similar embodiment three extended mode based on affirmation message of MBCP agreement to original acknowledge message.
Step S1003:PoC participates in function server 1002 according to above-mentioned session establishment information, sends session to PoC controlled function server 1003 and sets up request message, and PoC session is set up in request.
Request message is set up in this session can adopt the request message based on common Session Initiation Protocol, for example Invite message.
Step S1004:PoC controlled function server 1003 or callee side subscriber equipment belonging network 1004 are set up in follow-up session and are detected session in the process and can't set up, and perhaps request is set up in callee side subscriber equipment 1005 this sessions of refusal itself;
Wherein, PoC controlled function server 1003 is receiving after session sets up solicited message; Possibly detect and to set up session; Perhaps callee side subscriber equipment belonging network 1004 is set up in follow-up session and possibly occurred in the process setting up the situation of session with callee side subscriber equipment 1005, and perhaps called subscriber equipment 1005 refusals accept session to set up and ask, and callee side subscriber equipment belonging network 1004 can send the failure response message to PoC controlled function server 1003 like this.
Step S1005:PoC controlled function server 1003 returns to PoC participation function server 1002 and comprises the response message that the result is set up in session, and session is set up the result for failure in the present embodiment, can also comprise failure cause in this response message.
Step S1006:PoC participates in function server 1002 and comprises the message that the result is set up in session through user plane to 1001 transmissions of Calling Side subscriber equipment, and this message can also be used for request and break off pre-established session;
The message that pre-established session is broken off in above-mentioned request can be based on the disconnection message of MBCP agreement, for example Disconnect message.
Step S1007: said Calling Side subscriber equipment 1001 is participated in function server 1002 through user plane to PoC and is returned acknowledge message, breaks off pre-established session.
This shows in above-mentioned steps; Though among the step S1002; Calling Side subscriber equipment 1001 is after the affirmation response message that receives 1002 transmissions of PoC participation function server; According to confirming that response message thinks that session sets up successfully, but follow-up session sets up in the process and the situation that session can't be set up may occur, and the function server of PoC participation at this moment also need resend a disconnection message to Calling Side subscriber equipment 1001; Pre-established session is broken off in the request that is used for, and stops to ask to set up the process of session.
Need to prove; PoC participates in function server and sets up request message to session control server transmission session in setting up the process of PoC session; And in other concrete application scenario; For example, session control server and PoC participate in function server be integrated in the equipment or network settings for not passing through session control server, PoC participates in function server also can directly set up request message to callee side subscriber equipment belonging network transmission session; In like manner, PoC participation function server also can be directly from callee side subscriber equipment belonging network confirmation of receipt response message.
According to the embodiment of the invention; Calling Side subscriber equipment and PoC participate in carrying out alternately through the message of user plane between the function server; Owing to need not pass through the forwarding in the IMS territory of SIP/IP core, and the message-length of user plane is shorter, go out to accomplish the situation that request is set up in this session in subsequent detection; With respect to prior art, the Calling Side subscriber equipment can learn that session sets up the result within a short period of time.
Embodiment six
Present embodiment provides a kind of method of setting up session; This method with before the difference of several embodiment be; Only be used for indicating at the response message that sends to the Calling Side subscriber equipment and receive the message that comprises session establishment information; The Calling Side subscriber equipment only learns also that after receiving this acknowledge message the message that comprises session establishment information is received; And for the object information of finally setting up success or not of setting up conversation procedure, send to the Calling Side subscriber equipment in addition through user plane by server.Be example with the PoC service below, specify the embodiment of the invention.
Shown in Figure 11 a, this method comprises the steps:
Step S1101: Calling Side subscriber equipment 1101 is when hope and callee side subscriber equipment 1105 are set up session; Use the user plane of above-mentioned pre-established session, the PoC under Calling Side subscriber equipment 1101 participates in function server 1102 and sends the message that comprises session establishment information;
Wherein, especially, above-mentioned connection message can adopt the connection message based on the MBCP agreement, for example Connect message.Should can adopt in the similar embodiment three extended method based on connection message of MBCP to the connection message of original MBCP agreement.
Step S1102: the PoC under the Calling Side subscriber equipment participates in function server 1102 and uses user plane to send response message to Calling Side subscriber equipment 1101; Comprise indication PoC in this response message and participate in the message that function server 1102 has received that Calling Side equipment 1101 sends; After Calling Side subscriber equipment 1102 is received this response message, can only confirm that PoC participates in function server 1102 and received connection message.
This response message can be the affirmation message based on the MBCP agreement, for example Acknowledgement message.Wherein, should also can adopt in the similar embodiment three extended mode based on affirmation message of MBCP agreement to original acknowledge message.
Step S1103:PoC participates in function server 1102 according to above-mentioned session establishment information, sends session to PoC controlled function server 1103 and sets up request message, and the PoC session between Calling Side subscriber equipment 1101 and the callee side subscriber equipment 1105 is set up in request.
Step S 1104:PoC controlled function server 1103, callee side subscriber equipment belonging network and callee side subscriber equipment carry out follow-up session and set up process.
Wherein, The possibility of result of the above-mentioned follow-up process of setting up is success; Also possibly be failure, for example, for the result of failure; Can comprise: PoC controlled function server 1103 or callee side subscriber equipment belonging network 1104 are set up in follow-up session and are detected session in the process and can't set up, and perhaps request is set up in callee side subscriber equipment 1105 this sessions of refusal itself.
When the result was set up in session for failure, this step was similar to the situation of the step S1004 among the embodiment five, and difference is, comprises also in this step that it is case of successful that the result is set up in session.
Step S1105:PoC controlled function server 1103 returns to PoC participation function server 1102 and comprises the response message that the result is set up in session.
Wherein, response message can be success response or failure response, can't accomplish session if the result is set up in session, also comprises failure cause code in the then above-mentioned failure response information.
Step S1106:PoC participates in function server 1102 and comprises the Indication message that object information is set up in session through user plane to 1101 transmissions of Calling Side subscriber equipment, wherein, if failure is set up in session, then can also comprise failure cause in this Indication message.
For example, PoC participates in function server 1102 and can use following MBCP Indication message to send to Calling Side subscriber equipment 1101 through user plane, the result that 1101 sessions of notice Calling Side subscriber equipment are set up, and MBCP Indication message form can be shown in Figure 11 b.Wherein the value of " 1xxxx " field of first row is the value that is different from existing other MBCP protocol message types, and this field is represented the MBCP type of message, and be the MBCP Indication message this moment.When session is set up successfully; Result is set to successfully indicate (for example value is 1); Reason code all fills out 0, and when failure was set up in session, result was set to failure indication (for example value is 0); Reason code is set to the error reason sign indicating number, according to the failure cause code that carries in the failure response in the step 805.
In such scheme; The Calling Side subscriber equipment is confirmed the result that session is set up again after receiving last comprising result's message is set up in session; Like this with respect to several embodiment of front; In this present embodiment, see that from the angle of Calling Side subscriber equipment obtaining session, to set up the result of success or not more accurate.
In addition, in the above-mentioned steps, step S1002 can not carry out yet.
Need to prove; Be to be example in the present embodiment to set up PoC session; PoC participates in function server and sets up request message to session control server transmission session in setting up the process of PoC session, and in other concrete application scenario, PoC participates in function server also can directly set up request message to callee side subscriber equipment belonging network transmission session; In like manner, PoC participates in function server and also can directly receive response message from callee side subscriber equipment belonging network.
According to the embodiment of the invention; Setting up IMS territory that Calling Side subscriber equipment in the process of PoC session need not pass through the SIP/IP core sends based on control plane session and sets up request message to participating in function server; But utilize user plane to send the connection message that comprises session establishment information to participating in function server; Outwards send session by the participation function server and set up request message, reduced the number of times that message is transmitted in the IMS territory that utilizes the SIP/IP core like this, significantly reduced the time delay in the repeating process; Simultaneously owing to the message based on user plane significantly reduces based on the message-length of control plane; So the time delay of present embodiment in message transmitting procedure also significantly reduces, generally speaking, the time delay of setting up in the process in session significantly reduces.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be accomplished through the relevant hardware of program command; Aforesaid program can be stored in the computer read/write memory medium; This program the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
Embodiment seven
Present embodiment is corresponding to provide a kind of server, and shown in figure 12, this server 1200 comprises:
Receiving element 1201 is used to receive the message that comprises session establishment information that the Calling Side subscriber equipment sends through user plane;
Wherein, shown in figure 13, session processing module 1202 comprises:
First transmitting element 120211 is used for according to session establishment information, sends session to session control server and sets up request message;
First receiving element 120212 is used to receive the message that the result is set up in session that comprises that conversation controller sends;
Second transmitting element 120213 is used for comprising the message that the result is set up in session through user plane to the transmission of Calling Side subscriber equipment.
On the other hand, shown in figure 14, session processing module 1202 can comprise:
The 3rd transmitting element 120221 is used for according to session establishment information, sends session to callee side subscriber equipment belonging network and sets up request message;
Second receiving element 120222 is used to receive the message that the result is set up in session that comprises that callee side subscriber equipment belonging network sends;
The 4th transmitting element 120223 is used for comprising the message that the result is set up in said session through user plane to the transmission of Calling Side subscriber equipment.
In addition, above-mentioned session processing module 1202 can also comprise the 5th transmitting element, is used for through user plane, sends the response message that is used to represent to receive the message that comprises session establishment information to the Calling Side subscriber equipment.
The server that utilizes present embodiment to provide is set up in the process of session in request; Owing to carry out interacting message through user plane between Calling Side subscriber equipment and the server; So need not pass through the forwarding message in the IMS territory of SIP/IP core between the two,, significantly reduce the time delay in the repeating process so reduced the number of times that message is transmitted in the IMS territory that utilizes the SIP/IP core; Simultaneously owing to the message based on user plane significantly reduces based on the message-length of control plane; So the time delay of present embodiment in message transmitting procedure also significantly reduces, generally speaking, the time delay of setting up in the process in session significantly reduces.
Embodiment eight
Present embodiment provides a kind of subscriber equipment, and is shown in figure 15, and this subscriber equipment 1500 comprises:
Transmitting element 1501 is used for the message that comprises session establishment information of sending to server through user plane;
Wherein, Receiver module 1502 can comprise: the first subscriber equipment receiving element 15021; Be used for the message that the result is set up in session that comprises through the transmission of user plane reception server; Receiver module 1502 also comprises the second subscriber equipment receiving element 15022, is used for the response message that reception server sends through said subscriber equipment, and said response message representes that server has received the said message that comprises session establishment information.
The subscriber equipment that present embodiment provides is in setting up the process of session; Carry out information interaction with server through user plane; Reduced and utilized control plane to transmit message number based on Session Initiation Protocol; Also transmit the number of times of message with regard to the corresponding less IMS territory of SIP/IP core that utilizes, thus the time delay brought because of forwards significantly reduced, and also the message-length that utilizes user plane to send significantly reduces; Reduce to tens bits or a hundreds of bit from several thousand bits of control plane message; The time delay of message transfer under the band-limited situation obviously reduced,, user's experience is obviously promoted so generally speaking lowered the time delay that process is set up in session.
Embodiment nine
Present embodiment provides a kind of network system, and this network system can communicate with subscriber equipment, and is shown in figure 16, and this network system 1600 comprises:
Above-mentioned server can also comprise session control server for participating in function server.
Can also comprise: callee side subscriber equipment belonging network 1602, be used to receive said session and set up request message, comprise the message that the result is set up in session to the server transmission.
The network system of utilizing present embodiment to provide; Subscriber equipment is in setting up the process of session; Carry out information interaction with server through user plane, reduced and utilized control plane to transmit message number, also transmit the number of times of message with regard to the corresponding less IMS territory that utilizes the SIP/IP core based on Session Initiation Protocol; So significantly reduced the time delay brought because of forwards; And the message-length that utilizes user plane to send significantly reduces, and reduces to tens bits or a hundreds of bit from several thousand bits of control plane message, and the time delay of message transfer under the band-limited situation is obviously reduced; So generally speaking lowered the time delay that process is set up in session, user's experience obviously promoted.
Embodiment ten
Present embodiment provides a kind of network system, and this network system can communicate with subscriber equipment, and is shown in figure 17, and this network system 1700 comprises:
Participate in function server 1701; Be used to receive the message that comprises session establishment information that the Calling Side subscriber equipment sends through user plane; Send session to session control server 1702 and set up request message; Receive the message that the result is set up in session that comprises of session control server 1702 transmissions, comprise the message that the result is set up in session to the transmission of Calling Side subscriber equipment;
Above-mentioned participation function server can be that PoC participates in function server.
Can also comprise: callee side subscriber equipment belonging network 1703, be used to receive session and set up request message, comprise the message that the result is set up in session to session control server 1702 transmissions.
The network system of utilizing present embodiment to provide; Subscriber equipment is in setting up the process of session; With participate in function server and carry out information interaction through user plane, reduced and utilized control plane to transmit message number based on Session Initiation Protocol, also transmit the number of times of message with regard to the corresponding less IMS territory that utilizes the SIP/IP core; So significantly reduced the time delay brought because of forwards; And the message-length that utilizes user plane to send significantly reduces, and reduces to tens bits or a hundreds of bit from several thousand bits of control plane message, and the time delay of message transfer under the band-limited situation is obviously reduced; So generally speaking lowered the time delay that process is set up in session, user's experience obviously promoted.
One of ordinary skill in the art will appreciate that: the module in the device among the embodiment can be described according to embodiment and be distributed in the device of embodiment, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number is not represented the quality of embodiment just to description.The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (23)
1. a method of setting up session is characterized in that, comprising:
Receive the message that comprises session establishment information that the Calling Side subscriber equipment sends through user plane;
Setting up session according to said session establishment information handles;
The said message that comprises session establishment information is the connection message based on the MBCP agreement; Said connection message based on the MBCP agreement is according to the message of the new type of message of the message format definition of MBCP agreement, comprises session establishment information in the message content of the type message; Perhaps said message based on the MBCP agreement comprises the parameter field or the information bit of session establishment information for increase on the basis of original MBCP protocol message.
2. method according to claim 1 is characterized in that, the message that comprises session establishment information that said reception is sent specifically is embodied as:
Receive the message that comprises session establishment information of said Calling Side subscriber equipment through the user plane transmission of pre-established session.
3. method according to claim 1 is characterized in that, the said session process of setting up is drawn together:
According to said session establishment information, send session to session control server and set up request message;
Receive the message that the result is set up in session that comprises of said conversation controller transmission;
Comprise the message that the result is set up in session through said user plane to said Calling Side subscriber equipment transmission.
4. method according to claim 1 is characterized in that, the said session process of setting up is drawn together:
According to said session establishment information, send session to callee side subscriber equipment belonging network and set up request message;
Receive the message that the result is set up in session that comprises of said callee side subscriber equipment belonging network transmission;
Comprise the message that the result is set up in said session through said user plane to said Calling Side subscriber equipment transmission.
5. according to claim 3 or 4 described methods, it is characterized in that, saidly set up session and handle and also to comprise:, send the response message that is used to represent to receive the message that comprises session establishment information to said Calling Side subscriber equipment through said user plane.
6. method according to claim 1 is characterized in that, the said session process of setting up is drawn together:
Through said user plane, send the message that the expression session has been set up to said Calling Side subscriber equipment;
According to said session establishment information, send session to session control server and set up request message;
Receive the message that the result is set up in session that comprises of said conversation controller transmission.
7. method according to claim 6 is characterized in that, sets up the result when said session and is when failure, saidly sets up session and handles and also comprise: the message that will comprise failure result sends to said Calling Side subscriber equipment through said user plane.
8. method according to claim 1 is characterized in that, the said session process of setting up is drawn together:
Send the message that the expression session has been set up through said user plane to said Calling Side subscriber equipment;
According to said session establishment information, send session to callee side subscriber equipment belonging network and set up request message;
Receive the message that the result is set up in session that comprises of said callee side subscriber equipment belonging network transmission.
9. method according to claim 8 is characterized in that, saidly sets up session and handles and also to comprise: when the result was set up in said session for failure, the message that will comprise failure result sent to the Calling Side subscriber equipment through user plane.
10. method according to claim 1 is characterized in that, the said session process of setting up is drawn together: when detecting session and can't set up, send the message that comprises failure result to the Calling Side subscriber equipment through user plane.
11. a method of setting up session is characterized in that, comprising:
Send the message that comprises session establishment information to server through user plane;
The message that the result is set up in session that comprises through said user plane reception server transmission;
The said message that comprises session establishment information is the connection message based on the MBCP agreement; Said connection message based on the MBCP agreement is according to the message of the new type of message of the message format definition of MBCP agreement, comprises session establishment information in the message content of the type message; Perhaps said message based on the MBCP agreement comprises the parameter field or the information bit of session establishment information for increase on the basis of original MBCP protocol message.
12. method according to claim 11 is characterized in that, said method also comprises:
Through the response message that the user plane reception server sends, said response message representes that server has received the said message that comprises session establishment information.
13. a server is characterized in that, comprising:
Receiving element is used to receive the message that comprises session establishment information that the Calling Side subscriber equipment sends through user plane;
The session processing module is used for setting up message according to said session and sets up the session processing;
The said message that comprises session establishment information is the connection message based on the MBCP agreement; Said connection message based on the MBCP agreement is according to the message of the new type of message of the message format definition of MBCP agreement, comprises session establishment information in the message content of the type message; Perhaps said message based on the MBCP agreement comprises the parameter field or the information bit of session establishment information for increase on the basis of original MBCP protocol message.
14. server according to claim 13 is characterized in that, said session processing module comprises:
First transmitting element is used for according to said session establishment information, sends session to session control server and sets up request message;
First receiving element is used to receive the message that the result is set up in session that comprises that said conversation controller sends;
Second transmitting element is used for comprising the message that the result is set up in said session through said user plane to the transmission of Calling Side subscriber equipment.
15. server according to claim 13 is characterized in that, said session processing module comprises:
The 3rd transmitting element is used for according to said session establishment information, sends session to callee side subscriber equipment belonging network and sets up request message;
Second receiving element is used to receive the message that the result is set up in session that comprises that said callee side subscriber equipment belonging network sends;
The 4th transmitting element is used for comprising the message that the result is set up in said session through said user plane to the transmission of Calling Side subscriber equipment.
16. according to claim 14 or 15 described servers; Said session processing module also comprises: the 5th transmitting element; Be used for through said user plane, send the response message that is used to represent to receive the message that comprises session establishment information to said Calling Side subscriber equipment.
17. a subscriber equipment is characterized in that, comprising:
Transmitting element is used for sending the message that comprises session establishment information to server through user plane;
Receiver module is used for the message that the result is set up in session that comprises through said user plane reception server transmission;
The said message that comprises session establishment information is the connection message based on the MBCP agreement; Said connection message based on the MBCP agreement is according to the message of the new type of message of the message format definition of MBCP agreement, comprises session establishment information in the message content of the type message; Perhaps said message based on the MBCP agreement comprises the parameter field or the information bit of session establishment information for increase on the basis of original MBCP protocol message.
18. subscriber equipment according to claim 17; It is characterized in that; Said receiver module comprises: the first subscriber equipment receiving element, be used for the message that the result is set up in session that comprises through said user plane reception server transmission, and said receiver module also comprises the second subscriber equipment receiving element; Be used for the response message that reception server sends through said subscriber equipment, said response message representes that server has received the said message that comprises session establishment information.
19. a network system, this network system can communicate with subscriber equipment, it is characterized in that, comprising:
Participate in function server; Be used to receive the message that comprises session establishment information that the Calling Side subscriber equipment sends through user plane; Send session to session control server and set up request message; Receive the message that the result is set up in session that comprises of said session control server transmission, comprise the message that the result is set up in session to said Calling Side subscriber equipment transmission;
Session control server is used to receive said session and sets up request message, sends session to callee side user belonging network and sets up request message, receives the message that the result is set up in session that comprises that said callee side subscriber equipment belonging network returns;
The said message that comprises session establishment information is the connection message based on the MBCP agreement; Said connection message based on the MBCP agreement is according to the message of the new type of message of the message format definition of MBCP agreement, comprises session establishment information in the message content of the type message; Perhaps said message based on the MBCP agreement comprises the parameter field or the information bit of session establishment information for increase on the basis of original MBCP protocol message.
20. network system according to claim 19 is characterized in that, said network system also comprises:
Callee side subscriber equipment belonging network is used to receive the said session that said session control server sends and sets up request message, sends to said session control server to comprise the message that the result is set up in session.
21. being PoC, network system according to claim 19, said participation function server participate in function server.
22. a network system, this network system can communicate with subscriber equipment, it is characterized in that, comprising:
Server; Be used to receive the message that comprises session establishment information that the Calling Side subscriber equipment sends through user plane; Send session to callee side user belonging network and set up request message; Receive the message that the result is set up in session that comprises of said callee side user belonging network transmission, comprise the message that the result is set up in session to said Calling Side subscriber equipment transmission;
The said message that comprises session establishment information is the message based on MBCP, and said message based on MBCP is according to the message of the new type of message of the message format definition of MBCP agreement, comprises session establishment information in the message content of the type message; Perhaps said message based on MBCP comprises the parameter field or the information bit of session establishment information for increase on the basis of original MBCP protocol message.
23. network system according to claim 22 is characterized in that, said network system also comprises:
Callee side subscriber equipment belonging network is used to receive said session and sets up request message, sends to server to comprise the message that the result is set up in session.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910045708A CN101790134B (en) | 2009-01-23 | 2009-01-23 | Method, device and system for establishing session |
| PCT/CN2010/070348 WO2010083781A1 (en) | 2009-01-23 | 2010-01-25 | Method, device and system for establishing session |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910045708A CN101790134B (en) | 2009-01-23 | 2009-01-23 | Method, device and system for establishing session |
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| Publication Number | Publication Date |
|---|---|
| CN101790134A CN101790134A (en) | 2010-07-28 |
| CN101790134B true CN101790134B (en) | 2012-08-29 |
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| CN200910045708A Expired - Fee Related CN101790134B (en) | 2009-01-23 | 2009-01-23 | Method, device and system for establishing session |
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| CN (1) | CN101790134B (en) |
| WO (1) | WO2010083781A1 (en) |
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| US20130031161A1 (en) * | 2011-07-26 | 2013-01-31 | Htc Corporation | Apparatuses and methods for unified virtual experience (uve) session control |
| CN102580109B (en) * | 2012-03-02 | 2013-11-06 | 河南师范大学 | Anti-cancer drug carrier and method for producing same |
| CN104519302B (en) * | 2014-12-25 | 2018-03-20 | 漳州顶竹通讯技术有限公司 | A kind of video information Real-Time Sharing and the system and method for management and control |
| CN109964468B (en) * | 2016-11-14 | 2021-07-09 | 华为技术有限公司 | Session processing method, device and system |
| CN107707649B (en) * | 2017-09-28 | 2020-08-11 | 新华三技术有限公司 | Backup method and device for forwarding plane in transfer control separation |
| CN110418346B (en) * | 2019-08-26 | 2021-09-17 | 中国联合网络通信集团有限公司 | Call establishment method and call establishment system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1885969A (en) * | 2005-06-21 | 2006-12-27 | 大唐移动通信设备有限公司 | Digital cluster communication system and method for realizing cluster service |
| US20080003999A1 (en) * | 2006-06-09 | 2008-01-03 | Samsung Electronics Co., Ltd. | Method and system for processing PoC Ad-Hoc group session information using RTCP connection message |
| CN101167378A (en) * | 2005-02-03 | 2008-04-23 | 摩托罗拉公司 | Method and apparatus for providing talk permit notification for a PTT call |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4229287B2 (en) * | 2005-06-10 | 2009-02-25 | 株式会社エヌ・ティ・ティ・ドコモ | Communication control server, communication terminal, communication control method |
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- 2009-01-23 CN CN200910045708A patent/CN101790134B/en not_active Expired - Fee Related
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- 2010-01-25 WO PCT/CN2010/070348 patent/WO2010083781A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101167378A (en) * | 2005-02-03 | 2008-04-23 | 摩托罗拉公司 | Method and apparatus for providing talk permit notification for a PTT call |
| CN1885969A (en) * | 2005-06-21 | 2006-12-27 | 大唐移动通信设备有限公司 | Digital cluster communication system and method for realizing cluster service |
| US20080003999A1 (en) * | 2006-06-09 | 2008-01-03 | Samsung Electronics Co., Ltd. | Method and system for processing PoC Ad-Hoc group session information using RTCP connection message |
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| CN101790134A (en) | 2010-07-28 |
| WO2010083781A1 (en) | 2010-07-29 |
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