CN1961561B - Method and apparatus to convey a URI for content indirection use in SIP - Google Patents
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Abstract
A content indirection communications method, server, device, data storage medium and computer program product, where in a method executed by the server, in response to a Session Initiation Protocol (SIP) registration request from a device, informing the device in a SIP message of the identity of an address where the device may send information that is to be referenced by a SIP content indirection operation, and allocating storage for the information. Informing the device preferably uses a SIP message Call-Info header field with a purpose parameter set to ci-uri for indicating that the Call-Info header field contains a Uniform Resource Identifier (URI) that specifies an identity of the storage location.
Description
Technical field
Present invention relates in general to wireless communication system and method, relate in particular to and use conversation initialized protocol (SIP) or wireless terminal and wireless network node similar or the equivalent messages exchange.
Background technology
Conversation initialized protocol (SIP) is definition in IETF RFC3261 people such as (, in June, 2002) Rosenberg.Generally speaking, SIP is used to create, revise and application layer control (signaling) agreement of termination and one or more participants' session.Session can comprise that internet telephone cell, multimedia distribute and multimedia conferencing.The SIP that is used to create session invites and carries conversation description, and it allows participant that one group of compatible media type is reached an agreement.SIP uses the element that is called acting server, to help to route requests to user's current location, the user who serves is carried out authentication and mandate, realizes provider's calling routing policy, and to the user characteristic is provided.SIP also provides registration function, and it allows the user to upload its current location to be used by acting server.SIP runs on a plurality of different transport protocols.
In addition; Name is called " the content indirection mechanism in conversation initialized protocol (SIP) message " (S.Olson; On June 2nd, 2003) ietf draft " draft-ietf-sip-content-indirect-mech-03 " is described in the mechanism that content indirection is provided in the sip message.More specifically, the purpose of SIP is to create, revise or stop the session with one or more participants, and identical with HTTP be that sip message comprises start line, one or more head and optional main body on grammer.Different with HTTP is SIP not to be appointed as the general transmission method of data.
Hope to specify indirectly the sip message main body in have a plurality of reasons.For band-limited application, for example, cellular radio is used, and a kind of device just is provided indirectly, with through coming note (indirectly) content in order to determine whether the metadata of on the resource-constrained link, fetching content by the recipient.Also possibly be, the content transmitted size possibly surpass middle Xin Lingdaili, therefore, unnecessarily increase network delay.SIP for time-sensitive uses, and this possibly be unacceptable.The use of content can be alleviated these shortcomings through content delivery is moved out to independently data transmission channel from the SIP signaling network indirectly.Also possible situation is that the relevant data (main body) of session that need to transmit are not located immediately on end points or the user agent (UA).In this case, hope to have a kind of mechanism, wherein sip message can comprise the indirect referencing to required content.The recipient then possibly use this indirect referencing, and to transmit channel through non-SIP, for example, HTTP, FTP or LDAP fetch content.Show that in this ietf draft the purpose of content indirection just provides alternative transmission mechanism for many purposes of SIP internet mail expansion (MIME) main part.Except transmission mechanism, indirect main part is equivalent, and, should have and the identical processing of main part that embeds.
Generally speaking, MIME originally was intended to expand the form of internet mail, to allow the non-US-ASCII information in non-US-ASCII text message, non-text message, many parts source body and the message header.Following RFC definition MIME:RFC2045:MIME first: the form of internet message main body; RFC2046:MIME second portion: media type; RFC2047:MIME third part: the message header expansion of non-ASCII text; RFC2048:MIME the 4th part: enrollment process; And RFC2049:MIME the 5th part: standard of deferring to and instance.
Name is called " in conversation initialized protocol (SIP), transmitting conversation strategy unified resource identifier (URI) " (H.Khartabil and A.Niemi; On February 5th, 2004) another ietf draft " draft-khartabil-sip-policy-uri-call-info-purpose-00 " is described the expansion to the call information header fields, is used to introduce a kind of new purpose parameter value that can be made the URI of the customizing messages that is used for transmitting addressable session by request promoter or recipient.More specifically, this ietf draft provides " policy-uri ", and it can be made by Conference server and be used for indicating to the UA participant of that meeting the URI of conferencing policy.
Above-mentioned ietf draft document " draft-ietf-sip-content-indirect-mech-03 " definition SIP content indirection mechanism, for SIP MIME main part provides alternative transmission mechanism.This is to realize through the URI that indirect content is provided, and wherein URI specifies in " URI " of message/outer body mime type parameter.
But, in SIP request or response, before this URI of transmission, need make that it can at first upload indirect content to SIP client notice URI, in SIP request or response, quote indirect content then.The ietf draft document " draft-ietf-sip-content-indirect-mech-03 " and undefined about the definite client or server behavior that will be used for the URI of content indirection.Here it is, and before the present invention, and undefined SIP UA asks or go up the technology or the agreement of memory location to its notification applications server (AS), and wherein, SIP UA can store and will operate the information of being quoted by content indirection subsequently.
Summary of the invention
According to embodiment of the present invention, overcome aforementioned and other problem, and realize other advantage.
In first aspect, the present invention provides a kind of communication means, and it comprises that slave unit receives register request; And,, this equipment will operate the information of being quoted by content indirection so that sending to the identification of equipment Notify Address.
On the other hand; The present invention provides a kind of equipment, can with server operation, comprise data processor; In response to reception from second message of server; This second message is in response to equipment and initiates first message and send, with the identification of extracting position from second message, so that equipment sends the information that will be quoted by the content indirection operation.
On the other hand; The present invention provides a kind of content indirection communication means, comprises, in response to conversation initialized protocol (SIP) register request from equipment; To the identification of equipment Notify Address, equipment can send to this address with the information of being quoted by the operation of SIP content indirection through sip message; And be the information distribution memory.
On the other hand; The present invention provides a kind of sip server, and it comprises data processor, in response to the SIP register request that equipment sent; To the identification of equipment Notify Address, equipment can send to this address with the information of being quoted by SIP content indirection operation subsequently through sip message.
On the other hand; The present invention provides a kind of equipment, can operate with sip server, comprises data processor; In response to initiating reception from the sip message of sip server; This sip message is in response to equipment initiation register request message and sends, and with the identification of extracting position from this sip message, equipment can send to this position with the information of being quoted by SIP content indirection operation subsequently.
On the other hand; The present invention provides a kind of data storage medium, and this data storage medium can be read by digital data processor, and said data storage medium memory is by the employed program command of content indirection process in the SIP operation; And comprise following operations; In response to reception from the SIP register request of equipment, be that equipment is reserved a memory location, equipment can be with the information stores of being quoted by the operation of SIP content indirection in this position; And the application target parameter be set to ci-uri with the sip message call information header fields of unified resource identifier (URI) that is used to indicate the call information header fields and comprises designated storage location identification to the memory location identification of equipment notice.
On the other hand; The present invention provides a kind of Multimedia Message service (MMS) conveyer/server; Be used to carry out the SIP operation with equipment, comprise a kind of device, in response to reception from the SIP register request of equipment; The equipment that is used to is reserved a memory location, and equipment can be with the information stores of being quoted by the operation of SIP content indirection in this position; And a kind of device, be used for the application target parameter be set to ci-uri with the sip message call information header fields of unified resource identifier (URI) that is used to indicate the call information header fields and comprises designated storage location identification to the memory location identification of equipment notice.
On the other hand; The present invention provides a kind of data storage medium; Can read by digital data processor, the employed program command of content indirection process during this data storage medium memory is operated by SIP, and comprise following operations; In response to sending register request message, receive the sip message of initiating from sip server to sip server; Identification such a case; The sip message that is received comprises that the purpose parameter is set to ci-uri to be used to the indicating call information header fields to comprise the call information header fields of the unified resource identifier (URI) of designated storage location identification; This unified resource identifier (URI) has been specified the memory location of having reserved for equipment, and this equipment can be with the information stores of being quoted by the operation of SIP content indirection in this position; And to this memory location transmission information.
On the other hand; The present invention provides a kind of equipment; Can operate with sip server; This equipment comprises data processor, and it is in response to initiating the reception from the sip message of sip server, with identification such a case; The sip message that is received comprises that the purpose parameter is set to ci-uri to be used to the indicating call information header fields to comprise the call information header fields of the unified resource identifier (URI) of designated storage location identification; This unified resource identifier (URI) has been specified the memory location of having reserved for equipment, and this equipment can be with the information stores of being quoted by the operation of SIP content indirection in this position, and said data processor is further used for sending information to this memory location.
On the other hand; The present invention provides a kind of equipment; Can with conversation initialized protocol (SIP) server operation, comprise a kind of device, in response to initiating reception from the sip message of sip server indication register request success/failure; Be used to discern such a case; The sip message that is received comprises that the purpose parameter is set to ci-uri to be used to the indicating call information header fields to comprise the call information header fields of the unified resource identifier (URI) of designated storage location identification, and this unified resource identifier (URI) has been specified the memory location of having reserved for equipment, and this equipment can be with the information stores of being quoted by the operation of SIP content indirection in this position; And a kind of device, be used to use the HTTP PUT will be corresponding to the information uploading of content indirectly to the specified memory location of URI by the part of the call information field that comprises sip message.
On the other hand; The present invention provides a kind of sip server, and it comprises data processor, and it is in response to SIP register request that equipment sent; To discern to equipment notice memory location through sip message; Equipment can send to this position with the information of being quoted by SIP content indirection operation, and sends information in response to equipment, allocate memory and information is sent to the memory that is distributed.
On the other hand; The present invention provides a kind of method; With operating sessions initializtion protocol (SIP) server; This method comprises the SIP register request of sending in response to equipment, sends the sip message that comprises memory location identification to equipment, and equipment can send to this position with the information of being quoted by the operation of SIP content indirection; And send information in response to equipment, allocate memory and information is sent to the memory that is distributed.
On the other hand, the present invention provides a kind of computer program, can be used for sip server and carries out the SIP session with equipment; Comprise following operations; In response to the SIP register request that equipment sent, send the sip message that comprises memory location identification to equipment, equipment can send to this position with the information of being quoted by the operation of SIP content indirection; And send information in response to equipment, allocate memory and information is sent to the memory that is distributed.
On the other hand, the present invention provides a kind of computer program, can be by operation of equipment, to carry out the SIP operation with sip server, comprise following operations, and in response to sending register request message, receive the sip message of initiating from sip server to sip server; Identification such a case; The sip message that is received comprises that the purpose parameter is set to ci-uri to be used to the indicating call information header fields to comprise the call information header fields of the unified resource identifier (URI) of designated storage location identification; This unified resource identifier (URI) has been specified the memory location of having reserved for equipment, and this equipment can be with the information stores of being quoted by the operation of SIP content indirection in this position; And to memory location transmission information.
On the other hand, the present invention provides a kind of method, makes sip server carry out the SIP session with equipment; Comprise a step,, send the sip message that comprises memory location identification to equipment in response to the SIP register request that equipment sent; This equipment can send to this position with the information of being quoted by the operation of SIP content indirection; And a step, send information in response to equipment, allocate memory and information is sent to the memory that is distributed.
In yet another aspect; The present invention provides a kind of method; Make equipment carry out operating, comprise a step, respond from the sip message of sip server receiving initiation in response to sending register request message to sip server with the SIP of sip server; Be used to discern such a case; The sip message that is received comprises that the purpose parameter is set to ci-uri to be used to the indicating call information header fields to comprise the call information header fields of the unified resource identifier (URI) of designated storage location identification, and this unified resource identifier (URI) is specified the memory location of having reserved for equipment, and this equipment can be with the information stores of being quoted by the operation of SIP content indirection in this position; And a step, be used for sending information to this memory location.
Description of drawings
In conjunction with advantages, in the detailed description to embodiment, aforementioned and other aspect of each execution mode will become more obvious in accordance with the principles of the present invention below, wherein:
Fig. 1 is the functional frame composition of expression IP multimedia system (IMS), and this is one and is applicable to realization execution mode of the present invention, especially representes the Ut between UE and sip application server; And
Fig. 2 is that message flow diagram of the present invention is used in explanation in Multimedia Message service (SMS) architecture system.
Embodiment
SIP defines call information head (with reference to RFC3261, Section 20.9, and page 166).It is in request or in response, to use that the purpose of call information header fields is based on head, and relevant caller or callee's additional information is provided.This information comprises URI, and the purpose of URI is by " purpose " parametric description." information " parameter is described caller or callee through webpage usually.With reference to 166 pages of RFC3261, provide an instance of call information head below:
Call-Info：<http：//www.example.com/alice/photo.jpg>；purpose＝icon，
<http：//www.example.com/alice/>；purpose＝info.
According to an aspect of the present invention, application server uses new purpose parameter value " ci-uri ", can be used to carry out the URI that content indirection is quoted by SIP UA to transmit.
As an instance that applies the present invention to the Versatile content indirect case, use HTTP URI scheme if further suppose content indirection mechanism, then suppose server support SIP and HTTP.During the SIP affairs between the client and server (for example; During SIP registration affairs); Server transmits the HTTP URI of designated storage location in SIP call information header fields, to be quoted use (with reference to the instance of in Fig. 2, representing and being described below) by content indirection.
Except " purpose " parameter, the call information header fields also preferably comprises other parameter, for example, and " inefficacy " in above-mentioned draft-ietf-sip-content-indirect-mech-03 document, described, " access style " and " size ".
A unrestricted instance that carries the call information header fields of " ci-uri " purpose HTTP URI is described below:
Call-Info：<http：//www/example.com/the-indirect-content>
；purpose＝ci-uri
；access-type＝″URL″
；expiration＝″Mon，24?June?2004?09:00:00?GMT″
；size＝4123
When instruction of the present invention being applied to IP Multimedia System (IMS) framework, possibly suppose that application server can be used as the content indirection server.With reference to figure 1, (from document 3GPP TSG-CNMeeting #22,10th-12th December; Maui; Hawaii, NP-030457 obtains), shown in Ut 1 be positioned between UE2 and the sip application server/OSA-SCS3 (also abbreviating AS3 as); It links to each other with S-CSCF4 with 6 with Cx interface 5 through Sh respectively, and directly links to each other with HSS7 through ISC interface 8.S-CSCF4 (service call conversation control function) is the IMS element that the session control service is provided for UE2, and it allows the Virtual network operator support to serve.Function comprises: move registration the keeping of management, session, with mutual, the charging and the safety of other service.HSS7 (home subscriber server) is described in the several data library facility that needs among the modern mobile network.These functions comprise attaching position register (HLR), name server (DNS) and safety and network insertion database.
In context of the present invention, suppose that the Ut 1 between UE2 and the AS3 is supported HTTP, and, possibly carry out the SIP communication from AS3 to UE2 through S-CSCF.During the SIP affairs between AS3 and the UE2, AS3 can transmit " ci-uri " to UE2 in SIP call information header fields, therefore, triggers UE2 and on Ut 1, uses HTTP to upload indirect content to AS3.
Can recognize; In this execution mode and the MMS execution mode that describes below; Sip application server and the UE or the UA that can be commonly referred to as equipment here; Each comprises the digital data processor of certain type programming, and it can be used for carrying out according to the present invention the relevant content indirection process of SIP.For example; UE or UA can be implemented in cell phone or the personal communicator, and it comprises that the sip message that is used for carrying out from being received from sip application server extracts URI according to the embedded microprocessor of institute's program stored operation; And be used for sending information subsequently; Extracted the address of URI appointment to be stored in, there, information is the information that will in the sip message of content indirection type is mutual, quote after a while.
Generally speaking; A plurality of equipment execution modes corresponding to UE or UA2 can comprise; But be not limited to; Cell phone, have radio communication function PDA(Personal Digital Assistant), have radio communication function portable computer, have the image-capturing apparatus of radio communication function; For example, digital camera, the game station with radio communication function, music storage with radio communication function and playing device, allow the internet apparatus that carries out Wi-Fi (Wireless Internet Access) and browse, and the portable unit or terminal or the more general equipment that comprise these function combinations.Also can use non-wireless device, for example, desktop computer and have other type equipment that wired (for example, electric wire or optical fiber) connects with data communication network is realized principle of the present invention.
Thereby various aspects of the present invention relate to the data storage medium equally, are used for storage computation machine program, are used for runtime server and equipment according to the present invention, and relate to and can carry out the computer program with the operation according to the present invention by server and equipment.Equally, Fig. 2 representes that UA 2 equipment comprise data processor (DP) 2A and data storage medium (DSM) 2B, and server 3 comprises DP 3A and DSM 3B.
The present invention also can use in the context of Multimedia Message service (MMS) framework.The Multimedia Message service provides a kind of mechanism, not only sends text message as Short Message Service (SMS), but also sends image, picture, music or sound clip and video.The principle of system operation be " storage and forwarding ", and when between the user, sending, message stores is at MMS Relay/Server (MMSC) and possibly formatd by this MMS Relay/Server (MMSC).For example, possibly instruct the version 3 .1.0 in February, 2003 with reference to related permanent list of references: the IR.52 of GSM, PRDIR.52, MMS intercommunication.
With reference now to Fig. 2; More specifically; When the MMS MM1 interface specification that applies the present invention to based on 3GPP2 SIP; In the following manner this standard is revised: the third party's enrollment process between home service agency (HSP) 10 and the MMS conveyer/server (AS 3 under the MMS situation) is expanded, and makes, MMS conveyer/server is suitable always to the success/failure of MMS UA 2 notices with the MMS service registration.This allows MMS conveyer/server to send the sip message request in each registration or after setting up new registration procedure the cycle to MMS UA 2.When MMS UA 2 sends the sip message request, MMS conveyer/server comprises the call information header fields that carries the HTTP URI with " ci-uri " purpose.This URI remains valid, and the registration of setting up new registration procedure, cancel registration or MMS UA 2 until MMS UA 2 was lost efficacy.This expression, MMS conveyer/server are that the MMS UA of each registration reserves a HTTP URI, and therefore the life cycle that life cycle equals to register, allows MMS UA 2 on any time of its effective cycle register, to carry out content indirection and quote.This process has also been eliminated the needs that before MM submits to MMS UA 2 clearly asks the memory location; This is because after MMS UA 2 enrolled for service, on MMS conveyer/server, reserved the memory location; When it kept registration, it was remained valid for MMS UA 2.
The message exchange of Fig. 2 is explained above-mentioned behavior.Notice, notify the sip message of successful SIP registration to have the call information head that the purpose parameter is set to " ci-uri " to MMS UA 2.Afterwards; MMS UA 2 carries out the HTTP PUT push operation of some other connection of equivalent type of technology (perhaps based on), with will be corresponding to the information uploading of content indirectly to the specified position of being found in partly by call information in the sip message that after registration, is received of URI.
Should be noted that it is the actual or physical storage locations that indirect content is reserved that the URI that in the call information header fields, finds possibly not point to by HSP10.On the contrary, HSP 10 will point to the memory location of the MMS UA 2 PUT request sensing reality again of the URI that in the call information header fields, finds.Again point to and to ask in response to HTTP PUT by HSP 10, respond with HHTP 3xx and carry out.An advantage through using this method to obtain is that HSP 10 need be not that MMS UA 2 distributes physical storage locations when MMS UA 2 registrations.On the contrary, 10 of HSP need MMS UA 2 send HTTP PUT request time be carved with actual storage when needing, reserve or the memory allocated position.These operate among Fig. 2 and are expressed as (optional) piece 12, and it is intended to indicate the server 3 can be in response to the HTTP PUT from equipment 2, allocate memory, and the information of uploading is directed to the memory that is distributed again.
Message flow in the key diagram 2 can be found out in further detail, and REGISTER affairs are between UA 2 and HSP 10.HSP 10 realizes common SIP function as the SIP logger.Based on these affairs, HSP 10 generates third party REGISTER request, with the enrollment status to AS 3 (being MMS conveyer/server under this situation) notice UA 2.From the angle of SIP, this is another kind of SIP registration function, and there, AS 3 is as logger, and HSP 10 is registered as the third party with UA 2.
Can notice that under the IMS situation (Fig. 1), and do not require UE 2 to AS 3 registrations, on the contrary, purpose is just notified AS 3, UE 2 registers to HSP 10 (HSP between UE 2 and AS 3, is not shown in Fig. 1).Therefore, under the IMS situation, AS 3 is not in fact as the SIP logger, and on the contrary, it only stores enrollment status and the inefficacy of UE 2.
In any case, based on the previous third party's registration from HSP 10, AS 3 generates SIPMESSAGE, and it mails to UA 2, and carries out route (carrying out the route through HSP 10, for no other reason than that AS 3 does not have the direct SIP interface with UA 2) through HSP 10.This sip message that AS 3 is initiated transmits the call information header fields to UA 2; This call information header fields purpose parameter is set to ci-uir; Be used for the indication to UA 2 (perhaps UE 2), the call information head comprises the URI that has specified by the used address, memory location of content indirection.Because all UE/UA automatically divide the URI that is used in the content indirection purpose when registration; No matter whether use; The needs that the exchange of additional (possibly not carrying out standardization) signaling is provided have been eliminated in use of the present invention, and there, UE/UA must ask the distribution to URI clearly.
Should be noted that the URI that is distributed possibly be the general URI that distributes to all US/UA, and as discussed previously, have only when in fact UE/UA need carry out content indirection, just reserve " really " URI that points to actual storage locations.
Refer again to the draft-khartabil-sip-policy-uri-call-info-purpose-00 document.Notice; Though this document uses " policy-uri " value that call information purpose parameter is expanded; But it is used to transmit URI by caller or callee, there, can visit the specific policy of relevant session; This document does not advise with the illustrated mode of each execution mode of the present invention the purpose parameter being used for the SIP content indirection.
Notice that equally one of the SIP content indirection possibly be applied among the 3GPP2 X.P0016-312 and describes.This normalized definition is based on the behavior of the MM submission of SIP.If the size of MMS message does not satisfy the described message size restriction at RFC3428 (SIP MESSAGE method), then MMSUA uses content indirection to submit MM to MMS conveyer/server.In order to carry out this operation, MMSUA is to MMS conveyer/server requests memory location.But MMS UA is to the process and the inequivalence of the call information head of the request of memory location and purpose=ci-uri used according to the invention.
The Session Initiation Protocol details of 3GPP IP Multimedia System (IMS) and 3GPP2 multimedia domain, MMD (MMD) is described in 3GPP TS 24.229 and 3GPP2X.S0013.4.3GPP2X.P0016-312 be based on the MMS MM1 interface specification (stage 3) of 3GPP2 SIP.
Through the mode with unrestricted instance of can imitating aforementioned description is provided, the inventor consider a kind of best approach and device comprehensively and schematic description, be used to realize the present invention.But when combining accompanying drawing and appended claims to read, because aforementioned description, those skilled in the art will recognize multiple correction and adjustment in the association area.But as some instance, those of skill in the art can attempt using other similar or equivalent message format and system architecture (for example, except IMS and MMS framework).But all these of the principle of the invention still will be positioned at scope of the present invention with similar correction.In addition, some characteristic of the present invention possibly be used under the situation of correspondingly not using other characteristic, advantage being provided.Equally, should aforementioned description be thought the schematic illustration of the principle of the invention, be not limitation ot it.
Claims (32)
1. one kind is used for the content indirection method for communicating, comprising:
Receive register request by server from equipment; And
In response to receiving register request, to equipment sending message, this message comprises the address of memory location from server, and this equipment is the address that will be sent to said memory location by the information that ensuing content indirection operation is quoted.
2. method according to claim 1 comprises that further by server be the information distribution resource of quoting by ensuing content indirection operation.
3. method according to claim 2, wherein this resource comprises storage resources.
4. method according to claim 1, wherein register request comprises the conversation initialized protocol register request.
5. method according to claim 1, wherein said message comprises conversation initialization protocol message.
6. method according to claim 2 wherein distributes the equipment that the is in response to information of sending to take place.
7. method according to claim 1, wherein said message is sent through the Ut of internet protocol multi-media system.
8. method according to claim 1, wherein said message is sent through the home service agent node in the multimedia messaging service system.
9. method according to claim 1, wherein said message comprise that the purpose parameter is set to ci-uri to be used to the indicating call information head to comprise the call information head of the unified resource identifier of the address of having specified the memory location.
10. method according to claim 9 wherein keeps the unified resource identifier for equipment during device registration.
11. method according to claim 1, wherein said server comprises the conversation initialized protocol server.
12. method according to claim 1 further comprises:
Send information in response to equipment, memory allocated resource and information is sent to the storage resources of distribution.
13. a conversation initialized protocol server comprises:
Receiver, configuration is used to receive the register request from equipment;
Data processor; Its reception in response to the conversation initialized protocol register request is sent conversation initialization protocol message to this equipment; This conversation initialization protocol message comprises the address of memory location, and this equipment is the address that will be sent to said memory location by the information that ensuing content indirection operation is quoted.
14. server according to claim 13, wherein conversation initialized protocol register request and conversation initialization protocol message are through the Ut of internet protocol multi-media system.
15. server according to claim 13; Wherein in multimedia messaging service system; The conversation initialized protocol register request triggers third party's register request of being sent by the attribution server agency, and this conversation initialization protocol message is acted on behalf of arrival equipment through attribution server.
16. server according to claim 13, wherein this conversation initialization protocol message has the purpose parameter and is set to the call information head of ci-uri with the unified resource identifier that is used to indicate the call information head to comprise and specified the address.
17. server according to claim 16 wherein keeps the unified resource identifier for equipment during device registration.
18. server according to claim 13, wherein said device comprises the conversation initialized protocol server.
19. server according to claim 13, wherein said data processor are operable as in response to said equipment sends information memory allocated resource and said information is sent to the storage resources of distribution.
20. one kind is used for the content indirection communicating devices, comprises:
Transmitter, configuration are used to send first message to server;
Receiver, configuration is used for receiving second message from said server, and said second message response is sent out in first message; And
Data processor in response to the reception of second message, is operable as the address of from said second message, extracting the memory location, and said data processor is the address that will be sent to said memory location by the information that ensuing content indirection operation is quoted.
21. device according to claim 20, wherein said data processor further are operable as to said memory location and send information.
22. device according to claim 21, wherein said data processor use HTTP PUT process to send information.
23. device according to claim 21, wherein said server comprises the conversation initialized protocol server, and wherein data processor uses non-SIP process to send information.
24. device according to claim 21, wherein said server comprises the conversation initialized protocol server, and wherein through the Ut of internet protocol multi-media system, receives second message and transmission information.
25. device according to claim 20; Wherein said server comprises the conversation initialized protocol server; And wherein in multimedia messaging service system; Initiation session initializtion protocol register request triggers the attribution server agency and sends third party's register request, and said message arrives said device through the attribution server agency.
26. device according to claim 20; Wherein said server comprises that conversation initialized protocol server and said second message comprise conversation initialization protocol message, and wherein said data processor is set to the call information head extracting position address of ci-uri with the unified resource identifier that is used for indicating the call information head to comprise and specified location address from the purpose parameter.
27. device according to claim 26; Wherein said server comprises the conversation initialized protocol server; And when first message was the conversation initialized protocol register request, during the conversation initialized protocol server registers, said device used the address of being extracted at device.
28. device according to claim 20, wherein said device comprises portable terminal.
29. device according to claim 20; Wherein said server comprises that conversation initialized protocol server and said second message comprise conversation initialization protocol message; Wherein said data processor further is operable as the reception in response to conversation initialization protocol message; Identification such a case, wherein conversation initialization protocol message comprises that the purpose parameter is set to ci-uri to be used to the indicating call information header fields to comprise and to have specified the call information header fields of the unified resource identifier of address, memory location.
30. device according to claim 20, wherein said data processor conversation initialized protocol process safe in utilization.
31. an equipment that is used for content indirection communication comprises:
Be used for receiving device from the register request of equipment by server;
Be used for the reception in response to register request, from the device of server to equipment sending message, wherein said message comprises the address of memory location, and said equipment is the address that will be sent to said memory location by the information that ensuing content indirection operation is quoted.
32. equipment according to claim 31 comprises that further being used for by server is the device with the information distribution resource of being quoted by ensuing content indirection operation.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US56051404P | 2004-04-07 | 2004-04-07 | |
| US60/560,514 | 2004-04-07 | ||
| US11/070,916 US8081586B2 (en) | 2004-04-07 | 2005-03-02 | Method and apparatus to convey a URI for content indirection use in SIP |
| US11/070,916 | 2005-03-02 | ||
| PCT/IB2005/000854 WO2005099218A1 (en) | 2004-04-07 | 2005-04-01 | Method and apparatus to convey a uri for content indirection use in sip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1961561A CN1961561A (en) | 2007-05-09 |
| CN1961561B true CN1961561B (en) | 2012-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005800173688A Expired - Fee Related CN1961561B (en) | 2004-04-07 | 2005-04-01 | Method and apparatus to convey a URI for content indirection use in SIP |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1961561B (en) |
| ZA (1) | ZA200609208B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8837463B2 (en) * | 2007-05-19 | 2014-09-16 | T-Mobile International Ag & Co. Kg | IP multimedia subsystem (IMS) and method for routing an HTTP message via an IMS |
| CN101442708B (en) * | 2007-11-23 | 2010-05-26 | 佛山市顺德区顺达电脑厂有限公司 | Method for obtaining point-to-point position information based on session initial protocol |
| US20150181272A1 (en) * | 2011-08-26 | 2015-06-25 | Google Inc. | System and method for presenting a video stream |
| KR101332170B1 (en) * | 2011-11-09 | 2013-11-25 | 에스케이텔레콤 주식회사 | System, apparatus, terminal and method for file transfer using HyperText Transfer protocol |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1398095A (en) * | 2001-07-13 | 2003-02-19 | 沃卢比尔公司 | Mobile terminal addressing method |
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2006
- 2006-11-06 ZA ZA200609208A patent/ZA200609208B/en unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1398095A (en) * | 2001-07-13 | 2003-02-19 | 沃卢比尔公司 | Mobile terminal addressing method |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA200609208B (en) | 2008-05-28 |
| CN1961561A (en) | 2007-05-09 |
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