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Large message mode converged IP messaging (CPM) transmission method and system
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A big message mode, a technology for message transmission
Active Publication Date: 2015-05-20
ZTE CORP
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Abstract
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[0007] In view of this, the present invention provides a large message mode CPM message transmission method and system to solve the problem in the prior art that a CPM client cannot send a large message mode CPM message to an unreachable CPM system receiver
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Embodiment 1
[0048] In this embodiment, the above-mentioned first method is used to create the MSRP links between the CPM client A and the IWFB, that is, the initiator of the session invitation message actively creates the MSRP links.
[0049] figure 2 It is a flowchart of an implementation manner of this embodiment, such as figure 2 As shown, in this embodiment, the sender CPM client transmits the large message mode CPM message to the unreachable CPM system receiver and mainly includes the following steps:
[0050] Step S201: CPM Client A sends to CPM user B the first SIP INVITE (session invitation message) of CPM of large message mode, wherein carries the SDP message for session negotiation, and this first SIP INVITE is routed to by SIP / IP core network Participating functional entity A.
[0051] Step S202: Participating functional entity A receives the first SIP INVITE, and processes the received message as a Back to Back User Agent (B2BUA for short): generates and sends a second SIP...
Embodiment 2
[0089] In this embodiment, the above-mentioned second method is used to create MSRP links between the CPM client A and the IWFB, that is, the recipient of the session invitation message actively creates the MSRP links.
[0090] In this embodiment, the media negotiation process between the CPM client A, the participating function entity A, the participating function entity B, the network selection function entity B, and the IWF B is the same as that of the first embodiment above, that is, the session invitation message, the 200OK message and The way of sending the SIP ACK message can be implemented in the way described in the first embodiment. Moreover, in this embodiment, the MSRP link creation method and the MSRP SEND transmission method are similar to those in Embodiment 1, so details are not repeated in this embodiment.
[0091] The difference between this embodiment and Embodiment 1 is that the creators of each segment of MSRP are different, and the creation timing of each...
Embodiment 3
[0095] In this embodiment, the above third method is used to create MSRP links between CPM client A and IWF B, that is, CPM client A and IWF B actively create MSRP links respectively.
[0096] Figure 4 It is a schematicflowchart of an implementation manner of transmitting a CPM message in the large message mode in this embodiment. Such as Figure 4 As shown, in this embodiment, the media negotiation process between the participating function entity A, the participating function entity B, the network selection function entity B, and the IWF B is the same as that of the first embodiment above, that is, the session invitation message, the 200OK message, and the SIP ACK The way of sending the message can be carried out as described in the first embodiment. Moreover, in this embodiment, the manner of establishing the MSRP link and the transmission manner of the MSRP SEND are similar to those of Embodiment 1, so details will not be repeated in this embodiment.
[0097] The diff...
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Abstract
The disclosure discloses a method and system for transmitting a large message mode CPM message, both of which enable the respective establishment of Message Session Relay Protocol (MSRP) links between a CPM client of a sender and an originating participation function entity, between the originating participation function entity and a terminating participation function entity, and between the terminating participation function entity and an inter-working function entity, wherein the establisher of each segment of MSRP link obtains the MSRP connection parameters of the opposite end through media negotiations and establishes the MSRP link according to the MSRP connection parameters; the CPM client of the sender sends the large message mode CPM message to the inter-working function entity through each segment of established MSRP link in sequence, the inter-working function entity performs a protocol conversion on the received the large message mode CPM message and then transmits the converted message to a non-CPM system. The method and system of the disclosure enable the transmission of a large message mode CPM message to an unavailable CPM system user, thus improving user experience.
Description
technical field [0001] The invention relates to the technical field of mobile communication, in particular to a large message mode fusion IP message transmission method and system. Background technique [0002] The CPM was proposed by the Open Mobile Architecture (OMA) in 2005, and its purpose is to realize the intercommunication of various message services, provide a unified message service, and provide a consistent and convenient message service experience. CPM integrates various existing message services, including instant message (Instant Message, referred to as IM), push-to-talk (Push-To-Talk over Cellular, referred to as POC), mobile e-mail (Mobile E-Email, referred to as MEM), Short Messaging Service (Short Messaging Service, SMS for short), Multimedia Messaging Service (Multimedia Messaging Service, MMS for short), etc. [0003] Currently, OMA is developing the CPM V1.0 specification. CPM service forms include: page-mode based CPM message, session-mode based large ...
Claims
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Application Information
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