WO2011017866A1 - 大消息模式cpm消息传输方法及系统 - Google Patents
大消息模式cpm消息传输方法及系统 Download PDFInfo
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- WO2011017866A1 WO2011017866A1 PCT/CN2009/075187 CN2009075187W WO2011017866A1 WO 2011017866 A1 WO2011017866 A1 WO 2011017866A1 CN 2009075187 W CN2009075187 W CN 2009075187W WO 2011017866 A1 WO2011017866 A1 WO 2011017866A1
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- msrp
- message
- entity
- functional entity
- cpm
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- 238000000034 method Methods 0.000 title claims abstract description 142
- 230000005540 biological transmission Effects 0.000 claims abstract description 120
- 230000008569 process Effects 0.000 claims abstract description 57
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 230000004044 response Effects 0.000 claims description 181
- 238000004891 communication Methods 0.000 claims description 29
- 238000012790 confirmation Methods 0.000 claims description 12
- 238000012546 transfer Methods 0.000 claims description 4
- 230000001960 triggered effect Effects 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 6
- 239000003999 initiator Substances 0.000 description 4
- 230000011664 signaling Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000370092 Actiniopteris Species 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/64—Hybrid switching systems
- H04L12/6418—Hybrid transport
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/56—Unified messaging, e.g. interactions between e-mail, instant messaging or converged IP messaging [CPM]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/58—Message adaptation for wireless communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1101—Session protocols
- H04L65/1104—Session initiation protocol [SIP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/24—Negotiation of communication capabilities
Definitions
- the present invention relates to the field of mobile communication technologies, and in particular, to a large message mode fusion IP message transmission method and system. Background technique
- CPM was introduced in 2005 by the Open Mobile Architecture ( ⁇ ), which aims to achieve interoperability of multiple messaging services, provide unified messaging services, and improve a consistent and convenient messaging service experience.
- CPM integrates a variety of existing messaging services, including Instant Message (IM), Push-To-Talk over Cellular (POC), Mobile E-Email (MEM), and Short Message Service. (Short Messaging Service, SMS), Multimedia Messaging Service (MMS), etc.
- IM Instant Message
- POC Push-To-Talk over Cellular
- MEM Mobile E-Email
- SMS Short Message Service
- MMS Multimedia Messaging Service
- CPM CPM's business forms include: CPM messages based on pager-mode, large message mode CPM messages based on session-mode, and other CPM session services based on session. Before users can use these services normally, they need to register to log in to the CPM system, which is commonly referred to as "online.”
- the Session Initiation Protocol (SIP) message is used to send pager-mode messages between the CPM client and the CPM Enabler.
- SIP Session Initiation Protocol
- the sender terminal needs to send a large message mode CPM message, if the size of the message exceeds the limit (for example, greater than 1300 bytes), it cannot be carried by SIP MESSAGE.
- CPM service supports CPM Pre-defined Group and CPM Ad-hoc Group.
- CPM users can send CPM to a temporary group or preset group. Paging messages, but when the message size exceeds a certain limit, it cannot be carried by SIP MESSAGE.
- a CPM user sends a large message mode CPM message to another CPM user, when the destination user is unreachable (not online or there is no willingness to communicate at the time); or when a CPM user sends a large message mode CPM message to a group, When there are one or more unreachable users in the group, how to transmit the large message mode CPM message to the receiver's terminal through the non-CPM system for the above two situations, in the existing specification, there is no transmission yet.
- a large message mode CPM message a solution for sending large CPM messages to unreachable users. Summary of the invention
- the present invention provides a large message mode CPM message transmission method and system for solving the problem that the CPM client cannot send a large message mode CPM message to the unreachable CPM system receiver in the prior art.
- a large message mode CPM message transmission method used by a sender CPM client to send a large message mode CPM message to a target user, wherein, for a receiver of an unreachable CPM system user, the method includes:
- each MSRP link learns the MSRP connection parameters of the peer end through the media negotiation process, and implements the creation of the MSRP link according to the MSRP connection parameters.
- the sender CPM client sends the message content of the large message mode CPM to the interworking function entity through the created MSRP link, and the interworking function entity sends the message content of the received large message mode CPM to the protocol and then sends the message content to the message.
- Non-CPM system Non-CPM system.
- the media negotiation process includes:
- the sender CPM client sends a first session invitation message, where the first session invitation message is The source end participating functional entity receives the second session invitation message, and the second session invitation message is received by the destination end participating functional entity; the destination end participating functional entity sends a third session invite message, The third session invitation message is received by the network selection function entity; the network selection function entity selects the interworking function entity according to the third session invitation message, and sends a fourth session invitation message, where the fourth session invitation message is interworked Functional entity reception;
- the interworking function entity sends a fourth success response message, where the fourth success response message is received by the network selection function entity; the network selection function entity sends a third success response message, where the third success response message is sent by the destination
- the terminal participating functional entity receives the second success response message, and the second successful response message is received by the source participating functional entity; the source participating functional entity sends a first success response message.
- the first success response message is received by the sender CPM client.
- the method further includes:
- the sender CPM client After receiving the first success response message, the sender CPM client sends a first acknowledgement message, where the first acknowledgement message is received by the source participating functional entity; the source participating functional entity receives the first acknowledgement message. And sending a second acknowledgment message, where the second acknowledgment message is received by the destination end participating functional entity; the destination end participating functional entity receives the second acknowledgment message, and sends a third acknowledgment message, where the third acknowledgment message is sent by The network selection function entity receives the third acknowledgment message, and the fourth acknowledgment message is received by the interworking function entity; or
- the destination participating functional entity After receiving the third success response message, the destination participating functional entity sends a third acknowledgement message, where the third acknowledgement message is received by the network selection function entity; the source participant function entity sends the second success response message and sends the third acknowledgement message. a second acknowledgement message, the second acknowledgement message is received by the destination end participating functional entity; the sender CPM client sends a first acknowledgement message after receiving the first success response message, and the first acknowledgement message is sent by the The source participates in the functional entity reception.
- the MSRP link between the sender CPM client and the source participating functional entity is the first MSRP link, and the MSRP link between the source participating functional entity and the destination participating functional entity is the second MSRP chain.
- the MSRP link between the destination entity and the interworking function entity is a third MSRP link; and the fourth success response message and the third success response message carry the interworking function entity
- the MSRP connection parameter is sent by the destination end participating functional entity, and the MSRP connection parameter of the destination participating functional entity is carried in the second success response message sent by the source participating functional entity;
- the source end participates in the MSRP connection parameter of the functional entity;
- the sender CPM client creates a first MSRP link according to the MSRP connection parameter of the source participating functional entity; the source participating functional entity creates a second MSRP link according to the MSRP connection parameter of the destination participating functional entity; The destination participating functional entity creates a third MSRP link according to the MSRP connection parameter of the interworking function entity.
- the time for creating the first MSRP link is: when the sender client receives the first success response message.
- the time of the second MSRP link is: the source participating functional entity after receiving the second success response message; or after receiving the first acknowledgement message; or receiving
- the time of the third MSRP link is: the destination participating functional entity after receiving the second acknowledgement message; or after receiving the third successful response message; or receiving
- the method further includes: the sender CPM client sends a first media transmission request, and the source participating functional entity receives the first media transmission request ;
- the MSRP connection parameter of the destination end participating functional entity is obtained from the second success response message or obtained from the path header information of the first media transmission request;
- the method further includes: the source participating functional entity continuing to transmit the media data in the received first media transmission request by using a second media transmission request The destination end participating functional entity receives the second media transmission request;
- the MSRP connection parameter of the interworking function entity is obtained from the third success response message or from the path header information of the second media transmission request.
- the first session invitation message sent by the sender CPM client carries the MSRP connection parameter of the sender CPM client;
- the second session invitation message sent by the source participant function entity carries the source participant function entity The MSRP connection parameter;
- the source participating functional entity creates a first MSRP link according to the MSRP connection parameter of the sender CPM client; the destination participating functional entity creates a second MSRP link according to the MSRP connection parameter of the source participating functional entity.
- the interworking function entity participates in the third MSRP link of the MSRP connection parameter of the functional entity according to the destination end.
- the time of the first MSRP link is: the source participating functional entity after receiving the first acknowledgement message
- the time of creating the second MSRP link is: after the destination end participating functional entity receives the second acknowledgement message
- the time for creating the third MSRP link is: the interworking function entity after receiving the fourth acknowledgement message.
- the MSRP connection parameter, the first success response message sent by the source participating functional entity carries the MSRP connection parameter of the source participating functional entity
- the second session invitation message sent by the source participating functional entity carries the The MSRP connection parameter of the source participating functional entity, or the second success response message sent by the destination participating functional entity, carries the MSRP connection parameter of the destination participating functional entity;
- the first MSRP link between the sender CPM client and the source participating functional entity is created by the sender CPM client according to the MSRP connection parameter of the source participating functional entity; the interworking function entity and the destination end participate
- the third MSRP link between the functional entities is created by the interworking function entity according to the MSRP connection parameter of the destination end participating functional entity; the second end between the target end participating functional entity and the source participating functional entity
- the MSRP link is created by the destination participating functional entity according to the MSRP connection parameter of the source participating functional entity, or by the source participating functional entity according to the MSRP connection parameter of the destination participating functional entity.
- the time for creating the first MSRP link is: the sender CPM client after receiving the first success response message;
- the time for creating the third MSRP link is: after the receiving, by the interworking function entity, the fourth acknowledgement message;
- the time for creating the second MSRP link is: the destination end participating functional entity after receiving the second acknowledgement message; when the second MSRP link When the source end participating functional entity is created, the time for creating the second MSRP link is: the source participating functional entity receives the second success response message or receives the first acknowledgement message After; or after receiving an MSRP media transfer request.
- the method further includes: The sender CPM client sends a first media transmission request, and the source participating functional entity receives the first media transmission request;
- the MSRP connection parameter of the destination participating functional entity is obtained from the second successful response message or obtained from the path header information of the first media transmission request.
- the creator of the MSRP link is created according to the MSRP connection parameters of the neighboring entity to initiate the creation of the link request.
- the creator selects an existing MSRP link that matches the host, port, and/or MSRP URI as the MSRP link to be created.
- the method further includes:
- the non-CPM system After receiving the content of the protocol-converted large message mode CPM message, the non-CPM system returns a receiving acknowledgement message to the interworking function entity; the interworking function entity sends an MSRP response message after receiving the receiving acknowledgement message, the MSRP response message Finally arrive at the sender CPM client.
- the communication between the two functional entities including the sender CPM client, the source participant function entity, the destination participant function entity, and the interworking function entity is implemented by any one of the following three methods:
- Manner 1 The communication between all functional entities in the functional entity is implemented by using a SIP/IP core network route;
- a second mode communication between some functional entities in the functional entity is implemented through a SIP/IP core network route, and other functional entities except the partial functional entity are connected according to each other or via a Communicating devices other than the SIP/IP core network implement communication; mode 3, between all functional entities in the functional entity via direct communication connection with each other or via other relay devices other than the SIP/IP core network Communication.
- a large message mode CPM message transmission method for a sender CPM client to target The group sends a large message mode CPM message, and for the receiver of the unreachable CPM system user in the target group, the method includes:
- the MSRP link is created by the creator of the MSRP link.
- the MSRP connection parameters are obtained through the media negotiation process.
- the MSRP link is created based on the MSRP connection parameters.
- the sender CPM client sends the message content of the large message mode CPM to the interworking function entity through the created MSRP link, and the interworking function entity converts the message content of the received large message mode CPM after the protocol conversion. Send to a non-CPM system.
- the media negotiation process includes:
- the sender CPM client sends a first session invitation message, where the first session invitation message is received by the source participant function entity; the source participant function entity sends a second session invite message, and the second session invite message is sent by the CPM.
- the control function entity receives; the CPM control function entity sends a third session invitation message, where the third session invitation message is received by the destination end participating functional entity; the destination end participating functional entity sends a fourth session invite message, where the The fourth session invitation message is received by the network selection function entity; the network selection function entity selects the interworking function entity according to the fourth session invitation message, and sends a fifth session invitation message, where the fifth session invitation message is used by the interworking function Entity reception;
- the interworking function entity sends a fifth success response message, where the fifth success response message is received by the network selection function entity; the network selection function entity sends a fourth success response message, where the fourth success response message is sent by the destination
- the end participating functional entity receives; the destination participating functional entity sends a third success response message, the third successful response message is received by the CPM control function entity; the CPM control function entity sends a second success response message, The second success response message is received by the source participating functional entity; the source participating functional entity sends a first success response message, the first success response message being received by the sender CPM client.
- the method further includes:
- the sender CPM client After receiving the first success response message, the sender CPM client sends a first acknowledgement message, where the first acknowledgement message is received by the source participating functional entity; the source participating functional entity receives the first acknowledgement message. And sending a second acknowledgement message, where the second acknowledgement message is received by the CPM control function entity; the CPM control function entity sends a third acknowledgement message after receiving the second acknowledgement message, where the third acknowledgement message is sent by the destination end Participating in the function entity receiving; the destination end participating functional entity receiving the third determining message, sending a fourth acknowledgement message, the fourth acknowledgement message being received by the network selection function entity; the network selection function entity receiving the fourth After the acknowledgement message, the fifth acknowledgement message is sent, where the fifth acknowledgement message is received by the interworking function entity; or
- the destination participating functional entity After receiving the fourth success response message, the destination participating functional entity sends a fourth acknowledgement message, where the fourth acknowledgement message is received by the network selection function entity; and the network selection function entity sends the fifth acknowledgement message and sends the fifth acknowledgement message.
- a confirmation message the fifth acknowledgement message is received by the interworking function entity; the CPM control function entity sends a third acknowledgement message after receiving the third success response message, and the third acknowledgement message is received by the destination end participating functional entity;
- the source participating functional entity After receiving the second success response message, the source participating functional entity sends a second acknowledgement message, where the second acknowledgement message is received by the CPM control function entity; after the sender CPM client receives the first success response message, Sending a first acknowledgement message, the first acknowledgement message is received by the source participating functional entity.
- the MSRP link between the sender CPM client and the source participating functional entity is the first MSRP link; the MSRP link between the source participating functional entity and the destination participating functional entity is the second MSRP chain.
- the MSRP link between the CPM control function entity and the destination end participating functional entity is a third MSRP link; the MSRP link between the destination end participating functional entity and the interworking function entity is a fourth MSRP link.
- the fifth success response message And the fourth success response message carries the MSRP connection parameter of the interworking function entity;
- the third success response message sent by the destination end participating functional entity carries the MSRP connection parameter of the destination participating functional entity;
- the second success response message sent by the CPM control function entity carries the MSRP connection parameter of the CPM control function entity;
- the first success response message sent by the source participant function entity carries the MSRP connection of the source participant function entity parameter;
- the sender CPM client creates a first MSRP link according to the MSRP connection parameter of the source participating functional entity; the source participating functional entity creates a second MSRP link according to the MSRP connection parameter of the CPM control function entity;
- the CPM control function entity creates a third MSRP link according to the MSRP connection parameter of the destination end participating functional entity; the destination end participating functional entity creates a fourth MSRP link according to the MSRP connection parameter of the interworking function entity.
- the time for creating the first MSRP link is: when the sender client receives the first success response message.
- the time for creating the third MSRP link is:
- the CPM control function entity receives the third success response message or when the second confirmation message is received.
- the time of creating the second MSRP link is: when the source participating functional entity receives the second success response message; or after receiving the first acknowledgement message; or receiving
- the time of creating the fourth MSRP link is: when the destination participating functional entity receives the third acknowledgement message; or when receiving the fourth success response message; or receiving an MSRP media transmission request Rear.
- the method further includes: The sender CPM client sends a first media transmission request, and the source participating functional entity receives the first media transmission request;
- the MSRP connection parameter of the CPM control function entity is obtained from the second success response message or obtained from the path header information of the first media transmission request;
- the method further includes: the source participating functional entity continuing to transmit the media data in the received first media transmission request by using a second media transmission request
- the CPM control function entity receives the second media transmission request
- the MSRP connection parameter of the destination end participating functional entity is obtained from the third success response message or obtained from the path header information of the second media transmission request;
- the method further includes: the CPM control function entity continuing to transmit the media data in the received second media transmission request by using a third media transmission request, Receiving, by the destination end participating functional entity, the third media transmission request;
- the MSRP connection parameter of the interworking function entity is obtained from the fourth success response message or from the path header information of the third media transmission request.
- the first session invitation message sent by the sender CPM client carries the MSRP connection parameter of the sender CPM client;
- the second session invitation message sent by the source participant function entity carries the source participant function entity.
- the third session invitation message sent by the CPM control function entity picks up the MSRP connection parameter of the CPM control function entity;
- the destination end participates in the fourth session invitation message sent by the function entity and the network selection function
- the fifth session invitation message sent by the entity carries the MSRP connection parameter of the destination participating functional entity;
- the source participating functional entity creates a first MSRP link according to the MSRP connection parameter of the sender CPM client; the CPM control function entity creates a second MSRP link according to the MSRP connection parameter of the source participating functional entity;
- the destination participating functional entity creates a third MSRP link according to the MSRP connection parameter of the CPM control function entity; the interworking function entity creates a fourth MSRP link according to the MSRP connection parameter of the destination end participating functional entity.
- the time of the first MSRP link is: the source participating functional entity after receiving the first acknowledgement message
- the time for creating the second MSRP link is: after the CPM control function entity receives the second acknowledgement message;
- the time of creating the third MSRP link is: after the destination end participating functional entity receives the third acknowledgement message;
- the time for creating the fourth MSRP link is: the interworking function entity after receiving the fifth acknowledgement message.
- the fourth session invitation message sent by the destination end participating functional entity and the fifth session invite message sent by the network selection function entity carry the MSRP connection parameter of the destination participating functional entity;
- the source participating functional entity sends
- the first success response message carries the MSRP connection parameter of the source participating functional entity;
- the first MSRP link between the sender CPM client and the source participating functional entity is created by the sender CPM client according to the MSRP connection parameter of the source participating functional entity; the interworking function entity and the destination end participate
- the fourth MSRP link between the functional entities is created by the interworking function entity according to the MSRP connection parameter of the destination end participating functional entity;
- the third session invitation message sent by the CPM control function entity carries the CPM Controlling the MSRP connection parameter of the functional entity, the third MSRP link between the destination participating functional entity and the CPM control functional entity is controlled by the destination participating functional entity according to the CPM control function
- the MSRP connection parameter of the entity can be created; or the third success response message sent by the destination entity participating in the function entity carries the MSRP connection parameter of the destination participating functional entity, and the destination participates in the functional entity and the CPM control function entity.
- the third MSRP link between the third MSRP link is created by the CPM function entity according to the MSRP connection parameter of the destination participating functional entity;
- the second session request message sent by the source end participating functional entity carries the MSRP connection parameter of the source participating functional entity, and the second MSRP link between the CPM control function entity and the source end participating functional entity is configured by
- the CPM control function entity is created according to the MSRP connection parameter of the source participating functional entity; or the second success response message sent by the CPM control function entity carries the MSRP connection parameter of the CPM control function entity, and the CPM control function entity and the CPM control function entity
- the second MSRP link between the source participating functional entities is created by the source participating functional entity according to the MSRP connection parameters of the CPM control function entity.
- the time for creating the first MSRP link is: the sender CPM client after receiving the first success response message;
- the time for creating the fourth MSRP link is: after the fifth acknowledgment message is received by the interworking function entity;
- the time for creating the second MSRP link is: the CPM control function entity after receiving the second acknowledgement message;
- the time for creating the second MSRP link is: the source participating functional entity receives the second success response message or receives the first After a confirmation message or when receiving an MSRP transmission request;
- the time for creating the third MSRP link is: after the destination end participating functional entity receives the third acknowledgement message;
- the time for creating the third MSRP link is: the CPM control function entity receives the third success response message After the receipt of the second confirmation message or upon receiving an MSRP transmission request.
- the method further includes: the sender CPM client sends a first media transmission request, and the source participating functional entity receives the first media transmission request ;
- the MSRP connection parameter of the CPM control function entity is obtained from the second success response message or obtained from the path header information of the first media transmission request;
- the MSRP connection parameter of the destination participating functional entity is obtained from the third success response message or obtained from the path header information of the second media transmission request.
- the creator of the MSRP link is created according to the MSRP connection parameters of the peer end to initiate the creation of a link request.
- the creator selects an existing MSRP link that matches the host, port, and/or MSRP URI as the MSRP link to be created.
- the method further includes:
- the non-CPM system After receiving the content of the protocol-converted large message mode CPM message, the non-CPM system returns a receiving acknowledgement message to the interworking function entity; the interworking function entity sends an MSRP response message after receiving the receiving acknowledgement message, the MSRP response message Finally arrive at the sender CPM client.
- Method 1 Implementing all functional entities in the functional entity by using a SIP/IP core network route Communication between
- a second mode communication between some functional entities in the functional entity is implemented through a SIP/IP core network route, and other functional entities except the partial functional entity are connected according to each other or via a Communicating devices other than the SIP/IP core network implement communication; mode 3, between all functional entities in the functional entity via direct communication connection with each other or via other relay devices other than the SIP/IP core network Communication.
- a large message mode CPM transmission system comprising: a sender CPM client, a source participation function entity, a destination participation function entity, a selection function entity, and an interworking function entity, wherein the sender CPM client and the source Between the end-participating functional entities, the source-participating functional entity and the destination-participating functional entity, and the destination-participating functional entity and the interworking functional entity, respectively, are used to create an MSRP link; The creator of each MSRP link learns the MSRP connection parameters of the peer end through the media negotiation process, and can create the MSRP link according to the MSRP connection parameter.
- the sender CPM client is further configured to send the message content of the large message mode CPM to the interworking function entity through the created MSRP links in sequence;
- the interworking function entity is further configured to, after being converted by the protocol, the message content of the received large message mode CPM, and sent to the receiver of the non-CPM system.
- the first method is to implement a connection between all functional entities in the functional entity via a SIP/IP core network
- Manner 2 The connection between some functional entities in the functional entity is implemented via a SIP/IP core network, and other functional entities except the partial functional entity are directly connected or connected via a SIP/IP core network. Other relay equipment connections; Manner 3: The connection between all functional entities in the functional entity is implemented by directly connecting to each other or via a relay device other than the SIP/IP core network.
- a large message mode CPM transmission system comprising: a sender CPM client, a source participant function entity, a CPM control function entity, a destination end participation function entity, a selection function entity, and an interworking function entity, wherein
- the CPM control functional entity and the destination participating functional entity are respectively used to create an MSRP link; wherein, the creator of each MSRP link learns the MSRP connection parameter of the peer end through the media negotiation process, and can Creating the MSRP link according to the MSRP connection parameter;
- the sender CPM client is further configured to send the message content of the large message mode CPM to the interworking function entity through the created MSRP links in sequence;
- the interworking function entity is further configured to, after being converted by the protocol, the message content of the received large message mode CPM, and sent to the receiver of the non-CPM system.
- the first method is to implement a connection between all functional entities in the functional entity via a SIP/IP core network
- Manner 2 The connection between some functional entities in the functional entity is implemented via a SIP/IP core network, and other functional entities except the partial functional entity are directly connected or connected via a SIP/IP core network. Other relay equipment connections;
- Manner 3 The connection between all functional entities in the functional entity is implemented by directly connecting to each other or via a relay device other than the SIP/IP core network.
- the content of the large message mode CPM message is transmitted through the established media by establishing a media transmission link between the sender CPM client and the Inter-working Function (IFF).
- IFF Inter-working Function
- the link is sent to the IWF, and the IWF sends the content of the large message mode CPM message to the non-CPM system of the unreachable CPM system receiver, and the non-CPM system transmits the message to the receiver, which can solve the problem that the current technology cannot be unreachable.
- the user transmits a large message mode CPM message to improve the user experience.
- 1A is a flow chart of a large message mode CPM message transmission method according to an embodiment of the present invention
- 1B is a flow chart of another large message mode CPM message transmission method according to an embodiment of the present invention.
- Embodiment 4 is a flow chart of an embodiment of Embodiment 3.
- Figure 5 is a flow chart of another embodiment of the third embodiment.
- Embodiment 6 is a flow chart of an embodiment of Embodiment 4.
- Embodiment 7 is a flow chart of an embodiment of Embodiment 5.
- Embodiment 8 is a flow chart of an embodiment of Embodiment 6;
- the large message mode CPM message occupies a large space, it cannot be directly used to carry the SIP message.
- the large message mode CPM message transmission path is divided into a signaling path and a media path, that is, a letter.
- the data is transmitted along the signaling path and the media is transmitted along the media path. Therefore, in the embodiment of the present invention, when transmitting a large message mode CPM message, If the receiver is an unreachable user, the session invitation message (INVITE) of the large message mode CPM message and the corresponding response message are used to complete the media negotiation between the sender CPM client and the IWF, and the sender is established based on the negotiated media path parameter.
- ISVITE session invitation message
- MSRP Message Session Relay Protocol
- the SIP/IP core network function node is omitted.
- the signaling transmission between each two functional entities in the figure can be performed through the SIP/IP core network. It is not intended to limit the invention.
- a large message mode CPM message transmission method is provided, which is used for transmitting a large message mode CPM message to an unreachable CPM system user.
- FIG. 1A and FIG. 1B are flowcharts of a large message mode CPM message transmission method according to an embodiment of the present invention. As shown in FIG. 1A and FIG. 1B, for an unreachable CPM system receiver, a large message mode CPM according to an embodiment of the present invention is shown.
- the message transmission method mainly includes the following steps (step S101 - step S105):
- Step S101 The sender CPM client sends a session invitation message of the big message mode CPM message, based on the session invitation message, by the source participating functional entity (ie, the participating functional entity to which the sender belongs), or the CPM control function entity, the target end Participate in the functional entity and network selection function entity, conduct media negotiation with the interworking function entity IWF, and establish the sender CPM client and Multi-segment media transmission link between IWFs;
- the source participating functional entity ie, the participating functional entity to which the sender belongs
- the CPM control function entity the target end Participate in the functional entity and network selection function entity
- the step if the large message mode CPM message is transmitted to a single unreachable user, the step does not include the CPM control function entity, as shown in FIG. 1A; if the large message mode CPM message is transmitted to the group, the step is Includes CPM control function entities, as shown in Figure 1B.
- Step S103 The sender CPM client transmits the content of the large message mode CPM message to the IWF through the multi-segment media transmission link created by the above steps, and the IWF transmits the received large message content to the non-CPM system of the receiver.
- Step S105 Afterwards, the CPM message transmission end process may be initiated by the sender CPM client or the IWF, and the transmission process of the big message mode CPM message is ended.
- the network entity participating in transmitting the big message mode CPM message is the sender.
- the CPM client, the source participating functional entity, the destination participating functional entity, the network selecting functional entity, the network interworking functional entity, and the non-CPM system. Perform media negotiation through the session invitation message and the success response message between the sender CPM client, the source participant function entity, the destination participant function entity, the network selection function entity, and the network interworking function entity, and establish and send based on the media negotiation.
- the first MSRP link between the party CPM client and the source participating functional entity, the second MSRP link between the source participating functional entity and the destination participating functional entity, and the destination participating functional entity and the interworking functional entity The third MSRP link, based on each segment of the MSRP link, the sender CPM client transmits the content of the large message mode CPM message to the interworking function entity, and then the interworking function entity transmits the content of the large message mode CPM message to the non-CPM system.
- the CPM message content is delivered by the non-CPM system to the unreachable CPM system receiver.
- the foregoing media negotiation may include the following process: the sender CPM client sends a first session invitation message, and the first session invitation message is routed to the source participating functional entity via the SIP/IP core network, and the source participating functional entity generates and sends the message.
- Second session invitation message, second session invitation The message is routed to the destination end participating functional entity via the SIP/IP core network, and the destination end participating functional entity generates and sends a third session invite message, and the third session invite message is routed to the network selection function entity via the SIP/IP core network, and the network selection function
- the entity selects the interworking function entity according to the third session invitation message, and sends a fourth session invitation message, and the fourth session invitation message is routed to the interworking function entity via the SIP/IP core network; the interworking function entity generates and sends a fourth success response message,
- the fourth success response message is routed to the network selection function entity via the SIP/IP core network, and the network selection function entity sends a third success response message, and the third success response message is routed to the destination end participating functional entity via the SIP/IP core network, and the destination end participates.
- the function entity generates and sends a second success response message, and the second success response message is routed to the source participating functional entity via the SIP/IP core network, and the source participating functional entity generates and sends a first success response message, where the first successful response message is sent.
- the SIP/IP core network is routed to the sender CPM client.
- the network entity participating in transmitting the big message mode CPM message is The sender CPM client, the source participant functional entity, the CPM control function entity, the destination end participation function entity, the network selection function entity, the network interworking function entity, and the non-CPM system. Perform media negotiation through the session invitation message and the success response message between the sender CPM client, the source participant function entity, the destination participant function entity, the network selection function entity, and the network interworking function entity, and establish and send based on the media negotiation.
- the first MSRP link between the party CPM client and the source participating functional entity, the second MSRP link between the source participating functional entity and the CPM control function entity, and the CPM control function entity and the destination participating functional entity The third MSRP link, the destination end participates in the fourth MSRP link between the functional entity and the interworking function entity, and based on each segment of the MSRP link, the sender CPM client transmits the content of the large message mode CPM message to the interworking function entity.
- the intercommunication function entity then transmits the large message mode CPM message content to the non-CPM system, and finally the non-CPM system transmits the CPM message content to the unreachable CPM system receiver.
- the foregoing media negotiation may include the following process: the sender CPM client sends a first session invitation message, and the first session invitation message is routed to the source participating functional entity via the SIP/IP core network, and the source participating functional entity generates and sends the message.
- the second session invitation message is routed to the CPM control function entity via the SIP/IP core network
- the CPM control function entity generates and sends a third session invitation message
- the third session invitation message is routed to the SIP/IP core network to
- the destination end participates in the function entity
- the destination end participates in the function entity to generate and send a fourth session invite message
- the fourth session invite message is routed to the network selection function entity via the SIP/IP core network, and the network selection function entity selects the interworking according to the fourth session invite message.
- the fifth session invitation message is routed to the interworking function entity via the SIP/IP core network; the interworking function entity generates and sends a fifth success response message, and the fifth success response message is sent via the SIP/IP core Network routing to network selection function entity, network selection function
- the body sends a fourth success response message, and the fourth success response message is routed to the destination end participating functional entity via the SIP/IP core network, and the destination end participating functional entity generates and sends a third success response message, and the third successful response message is sent via SIP/IP.
- the core network is routed to the CPM control function entity, and the CPM control function entity generates and sends a second success response message, and the second success response message is routed to the source participating functional entity via the SIP/IP core network, and the source participating functional entity generates and sends the first A successful response message, the first successful response message is routed to the sender CPM client via the SIP/IP core network.
- the MSRP link between the sender CPM client and the interworking function entity may have the following three creation modes: (1) The initiator of the session invitation message actively creates an MSRP link; (2) The receiver of the session invitation message actively creates an MSRP link. (3) The sender CPM client actively creates an MSRP link, and the interworking function entity actively creates an MSRP link.
- the large message mode CPM message transmission method provided by the embodiment of the present invention is performed by using the sender CPM client to transmit a large message mode CPM message to a single unreachable CPM system user and a large message mode CPM message to the target group.
- Description, and through implementation This section describes how to create the above three MSRP links.
- the direction of the arrow of each segment of the MSRP link indicates that the originator points to the peer entity.
- the sender CPM client transmits a large message mode CPM message to a single unreachable CPM system user, that is, a one-to-one transmission large message mode CPM message.
- the sender CPM client is CPM Client A
- the effective binding address is CPM Address A
- the sender belongs to the participating functional entity A (for the source).
- Originating Participation Function Originating Participation Function, Receiver Participant Participating Function Entity B (Terminating Participation Function), Network Selection Function Entity Inter-working Selection Function B (ISF B), Network Selection Function
- ISF B Network Selection Function
- the interworking function entity selected by the entity is IWF B, and the selected non-CPM system is non-CPM System B (selected by ISF, such as SMS system or MMS system).
- the MSRP link between the CPM client A and the IWF B is created in the first manner, that is, the initiator of the session invitation message actively creates an MSRP link.
- FIG. 2 is a flowchart of an embodiment of the present embodiment.
- the sender CPM client transmits a large message mode CPM message to the unreachable CPM system receiver, which mainly includes the following steps:
- Step S201 The CPM client A sends a first SIP INVITE (Session Invite message) of the large message mode CPM to the CPM client B, where the SDP packet for the session negotiation is carried, and the first SIP INVITE is routed to the SIP/IP core network. Participate in functional entity A.
- SIP INVITE Session Invite message
- Step S202 The participating function entity A receives the first SIP INVITE, and processes the received message as a Back to Back User Agent (B2BUA): generates and sends a second SIP INVITE.
- B2BUA Back to Back User Agent
- the second SIP INVITE is routed to the participating functional entity B through the SIP/IP core network, and carries the SDP packet used for session negotiation.
- Step S203 The participating function entity B receives the second SIP INVITE, and processes the received message as the B2BUA: generates and sends a third SIP INVITE.
- the third SIP INVITE is routed to the network selection function entity B through the SIP/IP core network, and carries the SDP packet for session negotiation.
- Step S204 The network selection function entity B receives the third SIP INVITE, and selects the interworking function entity according to the parameter information such as content type and size in the message, and assumes that the selected interworking function entity is the interworking function entity B, and then sends the fourth SIP INVITE.
- the fourth SIP INVITE message retains the SDP message in the third SIP INVITE message, and the fourth SIP INVITE is routed to the interworking function entity B via the SIP/IP core network.
- the network selection function entity can act as a SIP gateway to forward the received SIP message, and the fourth SIP INVITE message and the third SIP INVITE message are essentially the same message.
- Step S205 The interworking function entity B receives the fourth SIP INVITE, generates and sends a fourth 200 OK (Success Response Message), and the response message is routed to the network selection function entity B via the SIP/IP core network, where the message is carried
- the SDP message is acknowledged by the session negotiation.
- the SDP packet in the fourth 200 OK may carry the MSRP connection parameter of the interworking function entity B.
- the interworking function entity B can be regarded as a SIP UAS (User Agent Server: User Agent Server).
- Step S206 The network selection function entity B receives the fourth 200 OK, and sends a third 200 OK, and the message is routed to the participating function entity B via the SIP/IP core network, and the SDP message in the fourth 200 OK is retained in the message. .
- the network selection function entity can act as a SIP gateway to forward the received SIP message, and the fourth 200 OK message and the third 200 OK message are essentially the same message.
- Step S207 The participating function entity B receives the third 200 OK, and processes the received message as the B2BUA: generates and sends a second SIP 200 OK.
- the second SIP 200 OK is routed to the participating functional entity A through the SIP/IP core network, and carries the SDP packet for session negotiation.
- the second SIP 200 OK carries the MSRP connection parameter of the participating functional entity B, and the MSRP connection parameter may be, but not limited to, carried by the SDP message.
- Step S208 The participating function entity A receives the second SIP 200 OK, and processes the received message as the B2BUA: generates and sends the first SIP 200 OK.
- the first SIP 200 OK is routed to the CPM Client A through the SIP/IP core network, and carries the SDP packet used for session negotiation.
- the first SIP 200 OK carries the MSRP connection parameter of the participating function entity A, and the MSRP connection parameter may be, but not limited to, carried by the SDP message.
- Step S209 The CPM client A receives the first SIP 200 OK, and thus completes the SDP media parameter negotiation process of the CPM transmission in the large message mode.
- the CPM Client A sends a first SIP ACK (Acknowledgement Message), which is routed through the SIP/IP core network to the participating function entity A.
- SIP ACK Acknowledgement Message
- the CPM client A can create a first MSRP chain between the CPM Client A and the participating functional entity A according to the MSRP information in the first SIP 200 OK (for example, the MSRP connection parameter) according to the result of the first 200 OK negotiation.
- the path may be created by actively creating a link request according to the MSRP connection parameter, or selecting an existing MSRP link that matches the host, port, and/or MSRP Global Resource Identifier (URI). This section of the MSRP link.
- a first MSRP SEND (media transmission request) is initiated, and the content of the large message mode CPM message is transmitted, and the first MSRP SEND is an MSRP SEND between the CPM Client A and the participating functional entity A.
- Step S210 After the participating functional entity A receives the first SIP ACK, on the one hand, the second SIP ACK message is sent, and the second SIP ACK message is routed to the participating functional entity B through the SIP/IP core network.
- the second MSRP link between the participating functional entity A and the participating functional entity B is created according to the MSRP connection parameter of the participating functional entity B.
- step S213 is continued, and the first MSRP SEND to be received is received.
- Media data through the second MSRP SEND Relay transmission that is, sending a second MSRP SEND, which is an MSRP SEND between the participating functional entity A and the participating functional entity B;
- the second MSRP link may be created in the manner that the participating function entity A initiates a link request according to the MSRP connection parameter, or selects an existing MSRP link that matches the host, port, and/or MSRP URI as the segment. MSRP link.
- the MSRP connection parameter of the participating function entity B may be obtained from the MSRP path information in the second SIP 200 OK, or may be obtained from the path header information of the first MSRP SEND.
- the second SIP ACK message in this step may be newly created by the participating function entity A, or may be the first SIP ACK message directly forwarded, which is not limited by the present invention.
- Step S211 After the participating functional entity B receives the second SIP ACK, on the one hand, sends a third SIP ACK message, and the third SIP ACK message is routed through the SIP/IP core network to select the network function entity B, and the network selection function entity B redirects The IWF B sends a fourth SIP ACK message.
- the third MSRP link between the participating functional entity B and the CPM Client B is created according to the MSRP connection parameter of the IWF B, and based on the link, the step S213 is continued, and the media data in the received second MSRP SEND is received.
- the third MSRP SEND is transmitted by the third MSRP SEND relay, and the third MSRP SEND is the MSRP SEND between the participating functional entity B and the IWF B;
- the network selection function entity can act as a SIP gateway to forward the received SIP message, and the fourth ACK message and the third ACK message are essentially the same message.
- the third MSRP link may be created by the participating function entity B to initiate a link request according to the MSRP connection parameter, or select an existing MSRP link whose host, port, and/or MSRP URI match. MSRP link.
- the MSRP connection parameter of the IWF B may be obtained from the MSRP path information in the third SIP 200 OK, or may be obtained from the path header information of the second MSRP SEND.
- the third SIP ACK message in this step may be newly created by the participating functional entity B, or Therefore, the second SIPACK message is directly forwarded, and the present invention does not limit this.
- Steps S212 to S214 Based on the established MSRP links, the MSRP SEND is transmitted to the IWF B, and the IWF B receives the content of the large message mode CPM message.
- Step S215 After receiving the content of the large message mode CPM sent by the function entity B, the interworking function entity B performs protocol conversion on the received content, converts the content into a non-CPM system B protocol format, and sends the content to the non-CPM system. B;
- Step S216 The non-CPM system B receives the protocol-converted content sent by the interworking function entity B, and returns a receiving confirmation message to the interworking function entity B.
- Step S217 The interworking function entity B receives the acknowledgment message from the non-CPM system B, and generates and sends an MSRP response message after performing protocol conversion on the acknowledgment message, and the message is transmitted to the participating function entity B through the third MSRP link;
- Step S218 The participating functional entity B receives and sends an MSRP response message to the participating functional entity A through the second MSRP link;
- Step S219 The participating function entity A sends and receives an MSRP response message to the CPM client A through the first MSRP link;
- Step S220 After all the content transmission of the large message mode CPM is completed, or after receiving the MSRP response message of the last MSRP SEND, the CPM client A sends a session end message (SIP BYE) indicating the end of the large message mode CPM session, The session end message is routed to the participating functional entity A via the SIP/IP core network;
- SIP BYE session end message
- Step S221 the participating function entity A sends the session end message end message after receiving the session end message, and the session end message is routed to the participating function entity B via the SIP/IP core network;
- Step S222 After receiving the session end message, the participating function entity B sends the session end message, and the session end message is routed to the network selection function entity B via the SIP/IP core network;
- Step S223 After receiving the session end message, the network selection function entity B sends the conference. End message, the session end message is routed to the interworking function entity B via the SIP/IP core network; Step S224: After receiving the session end message, the interworking function entity B sends a response message of the session end message (ie, 200 OK). The response message is finally routed to the CPM client A via the network selection function entity B, the participating function entity B, and the participating function entity A.
- step S220 to step S224 after the content transmission of the large message mode CPM is completed, the interworking function entity B sends a session end message after receiving the confirmation message, and the participating function entity B receives the end of the session.
- the session end message is sent, and the participating function entity A sends the session end message after receiving the session end message, and the session end message is routed to the CPM client A via the SIP/IP core network, and the CPM client A receives the session.
- a response message (200 OK) is sent, and the response message is finally routed to the interworking function entity B via the participating function entity A, the participating function entity B, and the network selection function entity B.
- the participating function entity A sends the second SIP ACK after receiving the first SIP ACK, but is not limited thereto.
- the participating function entity A may also receive the second 200 OK. Then, the second SIP ACK is sent, and the second SIP ACK is not sent after waiting for the first SIP ACK.
- the participating function entity B may also send the third SIP ACK after receiving the third 200 OK without waiting. The third SIPACKo is sent after receiving the second SIPACK.
- the SIP ACK message sent by each network function entity may be newly created by the network function entity, or may directly forward the received SIP ACK message. This is not a limitation.
- the CPM client A creates the first MSRP link after receiving the first 200 OK
- the participating functional entity A creates the second MSRP link after receiving the first SIP ACK, and participates.
- the functional entity B creates a third MSRP link after receiving the second SIP ACK. It should be noted that the participating functional entity A may also create a second MSRP link after receiving the second 200 OK message, and the participating functional entity B may also receive the third 200 OK cancellation. Create a third MSRP link after the message.
- the participating functional entity A may also create a second MSRP link according to the MSRP connection parameter of the participating functional entity B after receiving the first MSRP SEND, where the participating MSRP connection of the functional entity B
- the parameter may be obtained from the second 200 OK message, or may be obtained from the path header information of the first MSRP SEND; the participating functional entity B may also create the first according to the MSRP connection parameter of the IWF B after receiving the second MSRP SEND.
- the MSRP connection parameter of the IWF B may be obtained from the third 200 OK message or may be obtained from the path header information of the second MSRP SEND.
- the MSRP link between the CPM client A and the IWF B is created in the foregoing manner, that is, the receiver of the session invitation message actively creates an MSRP link.
- 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 in the first embodiment, that is, the session invitation message and the 200 OK message.
- the manner of sending the SIPACK message can be performed in the manner described in Embodiment 1.
- the manner of creating the MSRP link and the transmission mode of the MSRP SEND are similar to those of the first embodiment, and therefore, details are not described in this embodiment.
- FIG. 3 is a flowchart of an embodiment of the present embodiment, which is separately performed in conjunction with FIG. 3 description.
- the creator of the MSRP link is the receiver of the session invitation message.
- the creator of the first MSRP link is the participating functional entity A
- the creator of the second MSRP link is the participant.
- the function entity B, the creator of the third MSRP link is the interworking function entity A.
- the first SIP INVITE carries the MSRP connection parameter of the CPM client A
- the second SIP INVITE carries the MSRP connection parameter of the participating function entity A
- the third SIP The INVITE and the fourth SIP INVITE carry the MSRP connection parameters of the participating functional entity B.
- the participating functional entity A creates a first MSRP link according to the MSRP connection parameter of the CPM client A after receiving the first SIP ACK message
- the participating functional entity B is After receiving the second SIPACK message
- the second MSRP link is created according to the MSRP connection parameter of the participating functional entity A.
- the interworking function entity A creates a third according to the MSRP connection parameter of the participating functional entity B after receiving the fourth SIP ACK message. MSRP link.
- the participating functional entity A sends a second SIP ACK after receiving the second 200 OK
- the participating functional entity B sends the third SIP ACK after receiving the third 200 OK
- the participating function entity A may also send the second SIP ACK after receiving the first SIP ACK
- the participating function entity B may also send the third SIP ACK after receiving the second SIP ACK.
- the MSRP link between the CPM client A and the IWF B is created in the foregoing manner, that is, the CPM client A and the IWF B actively create an MSRP link.
- FIG. 4 is a schematic flow chart of an embodiment of transmission of a large message mode CPM message in the 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 in the first embodiment, that is, the session invitation message, 200 OK.
- the manner in which the message and the SIP ACK message are sent can be performed in the manner as described in the first embodiment.
- the manner in which the MSRP link is created and the transmission mode of the MSRP SEND are similar to those in the first embodiment. Therefore, details are not described in this embodiment.
- the difference between this embodiment and the first embodiment is that the first MSRP link is created by the CPM client A, and the third MSRP link is created by the IWF B.
- the CPM client is configured according to the participating function entity A carried in the first 200 OK message.
- the MSRP connection parameter actively creates the first MSRP link
- the IWF B actively creates the third MSRP link according to the MSRP connection parameter of the participating functional entity B carried in the fourth SIP INVITE message after receiving the fourth SIP ACK message. of.
- the third SIP INVITE message sent by the participating function entity B and the fourth SIP INVITE message sent by the network selection function entity B carry the MSRP connection parameter of the participating function entity B;
- a 200 OK message carries the MSRP connection parameters of the participating functional entity A.
- the second MSRP link may be created by the participating functional entity A or by the participating functional entity B.
- the second MSRP link is created by the participating functional entity A, as shown in FIG. 4
- the participating functional entity A creates a second MSRP link after receiving the first SIP ACK.
- the participating functional entity A may also create a second MSRP chain after receiving the second 200 OK message.
- the second 200 OK message sent by the participating function entity B carries the MSRP connection parameter of the participating function entity B.
- the second MSRP link may also be created by the participating functional entity B.
- the second SIP INVITE message sent by the participating functional entity A carries the MSRP connection parameter of the participating functional entity A.
- the participating function entity B may create a second MSRP link according to the MSRP connection parameter of the participating function entity A carried in the second SIP INVITE after receiving the second SIP ACK message.
- FIG. 5 there may be another embodiment in this embodiment, which is shown in FIG. 5.
- the participating functional entity A is created after receiving the first MSRP SEND.
- the second MSRP link As shown in FIG. 5, after receiving the first 200 OK message, the CPM client actively creates a first MSRP link according to the MSRP connection parameter of the participating function entity A carried in the first 200 OK message, and then sends the first An MSRP SEND, the participating functional entity A, after receiving the first MSRP SEND, creates a second MSRP link according to the MSRP connection parameters of the participating functional entity B, wherein the participating MSRP of the functional entity B The parameter is obtained from the second success response message or obtained from the path header information of the first MSRP SEND; and the third MSRP link is still received by the IWF B after receiving the fourth SIP ACK message according to the fourth SIP INVITE message.
- the MSRP connection parameter of the participating function entity B is actively created to create a third MSRP link.
- the interworking function entity B may immediately return an MSRP response message to the participating function entity B along the media transmission path, or wait for confirmation from the non-CPM system as described in the above embodiment. After the message, the MSRP response message is returned to the participating functional entity B.
- the participating function entity A and the participating function entity B process the received message B2BUA, and further includes: assigning a value to the newly generated SIP 200 OK message header Contact, Allow, and the like.
- the invention does not rely on these processes.
- the sender CPM client transmits a large message mode CPM message to the target group as an example, and the target group includes the unreachable CPM system user.
- the sender CPM client is the CPM client A
- the source participating functional entity of the sender is the participating function entity A
- the CPM control function entity of the target group is the CPM Control Function X.
- the destination participating functional entity to which the receiver belongs in the target group is the participating function entity B (Parting Function B), the network selection function entity is Inter-working Selection Function B (ISF B), and the interworking function entity is Inter-working Function B ( IWF B ), the selected non-CPM system is non-CPM System B (selected by ISF, such as SMS system or MMS system).
- Parting Function B the participating function entity B
- ISF B Inter-working Selection Function B
- IWF B Inter-working Function B
- the selected non-CPM system is non-CPM System B (selected by ISF, such as SMS system or MMS system).
- the MSRP link between the CPM client A and the IWF B is created in the first manner, that is, the initiator of the session invitation message actively creates an MSRP link, and based on the created segments.
- the MSRP link transmits a large message mode CPM message to the unreachable CPM system receiver in the target group.
- FIG. 6 is a flowchart of an embodiment of the present embodiment. As shown in FIG. 6, the transmission of the large message mode CPM message in this embodiment mainly includes the following steps:
- Step S601 The CPM client A sends a first SIP INVITE (Session Invite message) of the large message mode CPM message to the group, where the session invitation message carries the SDP message for the session negotiation, and the SDP message carries the required The size (size) and content type (media type) information of the transmitted media data.
- the first SIP INVITE is routed to the participating functional entity A via the SIP/IP core network;
- the SDP packet in the first SIP INVITE may carry the MSRP connection parameter of the CPM client A.
- the target group can be a temporary group (Ad-hoc group) or a preset group (Pre-defined group), when the target group is Ad-hoc In the group, the first SIP INVITE sent by the sender CPM client A carries the list information of each receiver in the target group; when the target group is a Pre-defined group, the sender CPM client A sends The value of the header field Request-URI of the first SIP INVITE is the address of the preset group.
- Step S602 The participating function entity A receives the first SIP INVITE, and processes the received message as a Back to Back User Agent (B2BUA): generates and sends a second SIP INVITE, which carries the session negotiation.
- B2BUA Back to Back User Agent
- the second SIP INVITE is routed to the CPM Control Function Entity X via the SIP/IP core network.
- the SDP packet in the second SIP INVITE may carry the MSRP connection parameter of the participating functional entity A;
- the second SIP INVITE When the first SIP INVITE carries the list information of each receiver of the Ad-hoc group, the second SIP INVITE retains the list information of the receiver; when the value of the header field Request-URI of the first SIP INVITE is The header of the second SIP INVITE when the address of the group is preset The value of the field Request-URI retains the address of this preset group.
- Step S603 The CPM control function entity X receives the second SIP INVITE, and processes the received message as a B2BUA for the user in the CPM system: Generates and sends a third SIP INVITE, which carries the SDP message for session negotiation.
- the third SIP INVITE is routed to the participating functional entity B via the SIP/IP core network;
- the SDP packet in the third SIP INVITE may carry the MSRP connection parameter of the CPM control function entity X;
- Step S604 The participating function entity B receives the fourth SIP INVITE, and processes the received message as the B2BUA: Generates and sends a fourth SIP INVITE, which carries the SDP packet used for session negotiation.
- the fourth SIP INVITE is routed to the network selection function entity via the SIP/IP core network: 8.
- Step S605 The network selection function entity B receives the fourth SIP INVITE, and selects the interworking function entity according to the parameter information such as content type and size in the message, and assumes that the selected interworking function entity is the interworking function entity B, and then sends the fifth SIP INVITE.
- the fifth SIP INVITE message retains the medium SDP message of the fourth SIP INVITE message, and the fifth SIP INVITE is routed to the interworking function entity B via the SIP/IP core network.
- the network selection function entity can act as a SIP gateway to forward the received SIP message, and the fifth SIP INVITE message and the fourth SIP INVITE message are essentially the same message.
- Step S606 The interworking function entity B receives the fifth SIP INVITE, generates and sends a fifth 200 OK (Success Response Message), and the response message is routed to the network selection function entity B via the SIP/IP core network, where the message is carried The SDP message is acknowledged by the session negotiation.
- the SDP packet in the fifth 200 OK can carry the MSRP connection parameter of the interworking function entity B.
- the signaling plane function of the interworking function entity can be regarded as SIP UAS (User Agent Server: User Agent Server).
- Step S607 The network selection function entity B receives the fifth 200 OK, and sends a fourth 200 OK, and the message is routed to the participating function entity B via the SIP/IP core network, and the SDP message in the fifth 200 OK is retained in the message. .
- the network selection function entity can act as a SIP gateway to forward the received SIP message, and the fifth 200 OK message and the fourth 200 OK message are essentially the same message.
- Step S608 The participating function entity B receives the fourth 200 OK, and processes the received message as the B2BUA: generates and sends a third 200 OK (success response message), and the response message is routed to the CPM control via the SIP/IP core network.
- Functional entity X
- the SDP packet in the third 200 OK may carry the MSRP connection parameter of the participating functional entity B.
- the participating functional entity B can create a fourth MSRP link between the participating functional entity B and the interworking functional entity B according to the MSRP connection parameter of the interworking function entity B.
- Step S609 The CPM control function entity X receives the third 200 OK, and processes the received message as the B2BUA: generates and sends a second 200 OK.
- the second 200 is routed to the participating functional entity via the SIP/IP core network, and carries the SDP packet for session negotiation.
- the SDP text in the second 200 OK may carry the MSRP connection parameter of the CPM control function entity X.
- the CPM control function entity may generate and send a second 200 OK after receiving the first 200 OK from the destination end, and the first 200 OK from the destination end may be sent by the network selection function entity B, ie From non-CPM systems; it may also be from other destinations involved in the functional entity, that is, from the internal receiver of the CPM system in the group.
- the CPM control function entity X can create a third MSRP link between the CPM control function entity X and the participating function entity B according to the MSRP connection parameters of the participating function entity B.
- Step S610 The participating function entity A receives the second 200 OK, and receives it as a B2BUA pair.
- Message processing Generate and send the first 200 OK.
- the first 200 is routed to the CPM client via the SIP/IP core network, and carries the SDP packet for session negotiation.
- the SDP packet in the first 200 ⁇ can carry the MSRP connection parameters of the participating functional entity.
- the participating functional entity A can create a second MSRP link between the participating functional entity A and the CPM control functional entity X according to the MSRP connection parameter of the CPM control functional entity X.
- Step S611 The CPM client A receives the first 200 OK and sends a first SIP ACK (acknowledgement message), and the first SIP ACK is routed to the participating functional entity A via the SIP/IP core network.
- the CPM client A can create a first MSRP link between the CPM client A and the participating functional entity A according to the MSRP connection parameters of the participating functional entity A.
- Step S612 The participating functional entity A sends a second SIP ACK message after receiving the first SIP ACK, and the second SIP ACK message is routed to the CPM control function entity X via the SIP/IP core network.
- the participating functional entity A can create a second MSRP link between the CPM control function entity X and the participating functional entity A according to the MSRP connection parameter of the CPM control function entity X.
- Step S613 The CPM control function entity X sends a third SIP ACK message after receiving the second SIP ACK message, and the third SIP ACK message is routed to the participating function entity B via the SIP/IP core network;
- the CPM control function entity may create a third MSRP link between the CPM control function entity X and the participating function entity B according to the MSRP connection parameter of the participating function entity B.
- Step S614 After receiving the third SIP ACK message, the participating function entity B sends a fourth SIP ACK, and the fourth SIP ACK message is routed to the network selection function entity B via the SIP/IP core network; in this step, the participating functional entity B
- the MSRP connection can be based on the interworking function entity B. The number creates a fourth MSRP link between the participating functional entity B and the interworking functional entity B.
- Step S615 After receiving the fourth SIP ACK message, the network selection function entity B sends a fifth SIP ACK message, and the fifth SIP ACK message is routed to the interworking function entity 8 via the SIP/IP core network.
- the network selection function entity can act as a SIP gateway to forward the received SIP message, and the fifth ACK message and the fourth ACK message are essentially the same message.
- Step S616 The CPM client A sends a first MSRP SEND (media transmission request) through the first MSRP link, where the first MSRP SEND is an MSRP SEND between the CPM client A and the participating functional entity A;
- This step may be performed after the first MSRP link is established.
- Step S617 The participating function entity A relays the media data in the received first MSRP SEND through the second MSRP link, that is, sends a second MSRP SEND, which is a participating functional entity A and a CPM control function entity.
- MSRP SEND between X;
- Step S618 The CPM control function entity X relays the received media data in the second MSRP SEND through the third MSRP link, that is, sends a third MSRP SEND, where the third MSRP SEND is the CPM control function entity X and the participating function. MSRP SEND between entities B;
- the media data received by the CPM control function entity from the second MSRP link is relayed to each member of the group based on the established MSRP links connected to the control function entity.
- Step S619 The participating function entity B relays the media data in the received third MSRP SEND through the fourth MSRP link, that is, sends a fourth MSRP SEND, which is the participating functional entity B and the interworking function entity B. Between the MSRP SEND.
- Step S620 After the interworking function entity B receives all the contents of the large message mode CPM sent by the function entity B, the content of the received content is converted into a non-CPM system. The content of the B protocol format is sent to the non-CPM system B;
- Step S621 The non-CPM system B receives the protocol-converted content sent by the interworking function entity B, and returns a receiving confirmation message to the interworking function entity B.
- Step S622 The interworking function entity B receives the acknowledgment message from the non-CPM system B, and performs protocol conversion on the acknowledgment message to generate and send an MSRP response message, and the message is transmitted to the participating functional entity B via the fourth MSRP link;
- Step S623 The participating functional entity B receives and sends an MSRP response message to the CPM control function entity X through the third MSRP link.
- Step S624 The CPM control function entity X receives and sends an MSRP response message to the participating function entity A through the second MSRP link;
- Step S625 The participating function entity A sends and receives an MSRP response message to the CPM client A through the first MSRP link.
- Step S626 After all the content transmission of the large message mode CPM is completed, or after receiving the MSRP response message of the last MSRP SEND, the CPM client A sends a session end message SIP BYE indicating the end of the large message mode CPM session, and the session ends. The message is routed to the participating functional entity A via the SIP/IP core network;
- Step S627 The participating function entity A sends the session end message end message after receiving the session end message, and the session end message is routed to the CPM control function entity X via the SIP/IP core network;
- Step S628 After receiving the session end message, the CPM control function entity X sends the session end message to each receiver in the group, and the session end message is routed to the participating function entity B via the SIP/IP core network;
- Step S629 After receiving the session end message, the participating function entity B sends the session end message session end message, and for the unreachable CPM system receiver, the session end message is sent to the interworking function entity B via the network selection function entity B;
- Step S630 After receiving the session end message, the interworking function entity B sends a response message (ie, 200 OK) of the session end message, and the response message passes through the network selection function entity B, the participating function entity B, and the CPM control function entity X. Participate in functional entity A and finally route to CPM client A.
- a response message ie, 200 OK
- the session end message may also be sent by the interworking function entity B, and the session end message is routed to the participation function via the network selection function entity B.
- Entity B the participating function entity B sends the session end message after receiving the session end message
- the CPM control function entity X sends the session end message after receiving the session end message
- the participating function entity A sends the session end message and sends the session end message.
- the session end message is routed to the CPM client A via the SIP/IP core network.
- each network function entity (such as the participating function entity A, the CPM control function entity X, and the participating function entity B) in the media negotiation process sends a SIP ACK to the destination end after receiving the SIP ACK from the source end. Similar to the first embodiment, in the media negotiation process, each network function entity may also send a SIP ACK directly to the target end after receiving the 200 OK message, without waiting for the SIP ACK from the source end, that is, the participating functional entity A may be received.
- the second SIP ACK is sent, and the second SIP ACK is not sent after waiting for the first SIP ACK;
- the control function entity X may send the third SIP ACK after receiving the third 200 OK without waiting
- the third SIP ACK is sent after the second SIP ACK;
- the participating function entity B may send the fourth SIP ACK after receiving the fourth 200 OK, without sending the fourth SIP ACK after waiting for the third SIP ACK.
- the SIP ACK message sent by each network function entity may be newly created by the network function entity, or may be directly forwarded and received.
- the SIP ACK message to which the message arrives is not limited by the present invention.
- the CPM client A after receiving the first 200 OK message, the CPM client A creates a first MSRP link according to the MSRP connection parameter of the participating function entity A carried in the first 200 OK message, and other network functions.
- the entity (including the participating functional entity A, the CPM control function entity X, and the participating functional entity B) creates an MSRP link upon receiving the SIP ACK of the source.
- the participating function entity A can be triggered by receiving the MSRP SEND request message from the CPM Client A.
- the participating function entity A can also create the second MSRP chain after receiving the success response message from the control function entity X. road.
- This supplemental note also applies to participating functional entity B, which is not described here.
- This supplementary note also applies to the creation of the third and fourth MSRP links. It should be noted that the triggering timings of the second and fourth MSRP links are consistent, for example, they are triggered after receiving the ACK, or they may all be triggered after receiving the MSRP SEND request, or both may receive 200. Triggered when OK responds.
- the triggering timing of the third MSRP link actively created by the control function entity may use a triggering manner that is inconsistent with the participating functional entity, that is, may be triggered when receiving an ACK from the source end, or may be triggered when receiving 200 OK or Triggered when an MSRP SEND request is received.
- the MSRP link between the CPM client A and the IWF B is created in the foregoing manner, that is, the receiver of the session invitation message actively creates an MSRP link, and based on the created segments.
- the MSRP link transmits a large message mode CPM message to the unreachable CPM system receiver in the target group.
- FIG. 7 is a flowchart of an embodiment of the present embodiment.
- the CPM client A, the participating functional entity A, the CPM control function entity X, the participating functional entity B, and the network selection are shown in FIG.
- the media negotiation process between the functional entity B and the IWF B is the same as that in the fourth embodiment, that is, the manner in which the session invitation message, the 200 OK message, and the SIP ACK message are sent may be performed in the manner as described in the fourth embodiment.
- the MSRP link creation mode and the MSRP SEND transmission mode are similar to the fourth embodiment. Therefore, in this embodiment, I won't go into details here.
- the difference between this embodiment and the fourth embodiment is that the creators of the MSRPs are different, and the creation time of each segment of the MSRP is different.
- the initiator of each session invitation is in the initiated session invitation message. Carrying its MSRP connection parameters, which are described below in conjunction with FIG.
- the first SIP INVITE message sent by the CPM client A the first SIP INVITE message carries the MSRP connection parameter of the CPM client A, and the first SIP INVITE message passes.
- the SIP/IP core network is routed to the participating function entity A.
- the second SIP INVITE message sent by the participating function entity A carries the MSRP connection parameter of the participating function entity A, and the second SIP INVITE message is routed to the control function through the SIP/IP core network.
- the third SIP INVITE message sent by the control function entity X carries the MSRP connection parameter of the control function entity X, and the third SIP INVITE message is routed to the participating function entity B through the SIP/IP core network;
- the fourth SIP INVITE message carries the MSRP connection parameter of the participating function entity B, and the fourth SIP INVITE message is routed to the network selection function entity B through the SIP/IP core network, and the fifth SIP INVITE message sent by the network selection function entity B is carried. Participate in the MSRP connection parameter of functional entity B, and the fifth SIP INVITE message is routed to the IWF B through the SIP/IP core network.
- the IWF B actively takes the MSRP connection parameter of the participating function entity B obtained according to the process of media negotiation. Create a fourth MSRP link between CPM Client B and participating functional entity B.
- the participating functional entity B receives the third SIPACK message from the control function entity X
- the active function entity B and the control function entity X are actively created according to the MSRP connection parameter of the control function entity X acquired by the media negotiation process.
- the third MSRP link is the third MSRP link.
- the control function entity X After the control function entity X receives the second SIP ACK from the participating function entity A, the MSRP connection parameter information of the participating function entity A acquired according to the process of media negotiation, A second MSRP link between the control function entity X and the participating function entity A is actively created.
- the participating functional entity A receives the first SIP ACK from the CPM Client A
- the active MSA connection parameter information of the CPM Client obtained by the media negotiation process is used to actively create the first MSRP between the participating functional entity A and the CPM Client A. link.
- the MSRP link between the CPM client A and the IWF B is created in the foregoing manner, that is, the CPM client A and the IWF B actively create an MSRP link. And transmitting a large message mode CPM message to the unreachable CPM receiver in the target group based on the created MSRP link.
- FIG. 8 is a flowchart of an embodiment of the present embodiment.
- the media negotiation process is basically similar to the media negotiation process in the fourth embodiment, and the difference between this embodiment and the implementation fourth is shown in FIG.
- the fourth SIP INVITE message sent by the participating function entity B and the fifth SIP INVITE message sent by the network selection function entity carry the MSRP connection parameters of the participating function entity B;
- the first successful response message sent by the participating functional entity A carries the MSRP connection parameter of the participating functional entity A;
- the second SIP INVITE message sent by the participating functional entity A carries the MSRP connection parameter of the participating functional entity A, or the CPM control function entity X
- the second successful response message sent carries the MSRP connection parameter of the CPM control function entity X.
- the third SIP INVITE message sent by the CPM control function entity X carries the MSRP connection parameter of the CPM control function entity X, or participates in the function entity B.
- the third success response message carries the MSRP connection parameters of the participating functional entity B.
- the MSRP of each segment in this embodiment The creation and creation timing of the road are also different from the above embodiment 4.
- the first MSRP link between the sender CPM client and the participating functional entity A is received by the sender CPM client. After a 200 OK message, it is created according to the MSRP connection parameter of the participating functional entity A; the fourth MSRP link between the IWF B and the participating functional entity B is received by the IWF B after receiving the fifth SIP ACK, according to the participating functional entity B.
- connection parameter is created; and the third MSRP link between the participating functional entity B and the CPM control function entity X is created by the participating functional entity B after receiving the third SIP ACK according to the MSRP connection parameter of the CPM control function entity X.
- the third SIP INVITE message sent by the CPM control function entity X carries the MSRP connection parameter of the CPM control function entity X; the second MSRP link between the CPM control function entity X and the participating function entity A is CPM The control function entity X is created after receiving the second SIP ACK.
- the second SIP INVITE message sent by the participating function entity A carries the MSRP connection parameter of the participating function entity A.
- the third MSRP link between the participating functional entity B and the CPM control function entity X can also be created by the CPM control function entity X.
- the CPM control function entity X can receive the fourth 200 OK.
- the third MSRP link is created after the message is generated, and the third MSRP link is also created after the second SIP ACK is received.
- the third successful response message sent by the participating functional entity B carries the participating functional entity B.
- the MSRP connection parameter; and the second MSRP link between the CPM control function entity X and the participating function entity A may also be created by the participating function entity A.
- the participating function entity A may create the first after receiving the first SIP ACK.
- the second MSRP link may also create a second MSRP link after receiving the second 200 OK message.
- the second 200 OK message sent by the CPM control function entity X carries the MSRP of the CPM control function entity X. Connection parameters.
- each network function entity (such as the participating function entity A, the CPM control function entity X, and the participating function entity B) in the media negotiation process sends a SIP ACK directly to the target end after receiving the 200 OK message, and needs supplementary explanation.
- the network function entity may also send a SIP ACK to the destination end after receiving the SIPACK from the source end, that is, the participating function entity A may send the second SIP ACK after receiving the first SIP ACK, and the CPM control
- the functional entity X may send the third SIP ACK after receiving the second SIP ACK; the participating functional entity B may send the fourth SIP ACK after receiving the third SIP ACK.
- FIG. 9 is a flowchart of another implementation manner of a large message mode CPM message transmission in this embodiment.
- Figure 9, in Figure 9, the first MSRP link and the fourth MSRP link are created and created at the same time as in Figure 8, except that in Figure 9, each network function entity (such as participating functional entity A)
- the CPM control function entity X and the participating function entity B) are SIP ACKed to the destination end after receiving the SIP ACK from the source end, and, in FIG. 9, the second MSRP link is received at the participating function entity A.
- the third MSRP link is created by the CPM Control Function Entity after receiving the second MSRP SEND. Specifically, as shown in FIG.
- the CPM client A creates a first MSRP link after receiving the first 200 OK, and then sends a first MSRP SEND, and the participating functional entity receives the first MSRP SEND and controls the functional entity X according to the CPM.
- the MSRP connection parameter creates a second MSRP link, where the MSRP connection parameter of the CPM control function entity X can be obtained from the second 200 OK, or can be obtained from the path header information of the first MSRP SEND; After the second MSRP link is created, the second MSRP SEND is sent.
- the CPM control function entity X creates a third MSRP link according to the MSRP connection parameters of the participating functional entity B, and participates in the MSRP connection parameter of the functional entity B. Obtained in the third 200 OK or from the path header information of the second MSRP SEND; the interworking function entity B creates a fourth MSRP link after receiving the fifth SIP ACK.
- the first MSRP link, the second MSRP link, the third MSRP link, and the fourth MSRP link may be created by the creator according to the MSRP connection parameter of the peer end. Initiate a link request, or select an existing MSRP link that matches the host, port, and/or MSRP URI (Universal Resource Identifier) as the MSRP link.
- MSRP URI Universal Resource Identifier
- the interworking function entity A may immediately return an MSRP response message to the participating function entity B along the media transmission path after the end of the MSRP media data transmission, or as described in this embodiment, After the acknowledgment message of the non-CPM system, the MSRP response message is returned to the participating functional entity B.
- the MSRP connection parameter is one of the following cases: URI parameter; IP address and port number; URI parameter, IP address, and port number.
- two large message mode fused IP message transmission systems are also provided, which can be used to implement the foregoing Embodiment 1 and Embodiment 2, respectively.
- the first large message mode converged IP message transmission system includes: a sender CPM client, a source participant function entity, a destination end participation function entity, an interworking function entity, and a non-CPM system, wherein the sender A message session relay protocol MSRP link is created between the CPM client and the source participating functional entity, between the source participating functional entity and the destination participating functional entity, and between the destination participating functional entity and the interworking functional entity.
- the creator of each MSRP link learns the MSRP connection parameters of the peer end through the media negotiation process, and creates the MSRP link according to the MSRP connection parameter.
- the sender CPM client is used to send the message content of the large message mode CPM.
- the interworking function entity is configured to send the message content of the received large message mode CPM to the non-CPM system through the protocol, and finally send the message content by the non-CPM system. Give the unreachable CPM system receiver.
- the second large message mode fused IP message transmission system adds a CPM control function entity to the first type of transmission system
- the second large message mode fused IP message transmission system includes: The CPM client, the source participating functional entity, the CPM control function entity, the destination participating functional entity, the interworking functional entity, and the non-CPM system, wherein the sender CPM client and the source participating functional entity, and the source participating functional entity
- a message session relay protocol MSRP link is created between the CPM control function entity, the CPM control function entity and the destination participating functional entity, and the destination end participating functional entity and the interworking function entity, wherein each segment of the MSRP
- the creator of the link learns the MSRP connection parameter of the peer end through the media negotiation process, and creates the MSRP link according to the MSRP connection parameter.
- the sender CPM client is configured to sequentially pass the message content of the large message mode CPM through each created message.
- segment The MSRP link is sent to the interworking function entity; the interworking function entity is configured to send the message content of the received large message mode CPM to the non-CPM system after being converted by the protocol, and finally the non-CPM system sends the message content to the unreachable CPM system to receive square.
- connection between the client other than the non-CPM system B and any two functional entities in each entity may be any one of the following three ways:
- the first method is to implement a connection between all functional entities in the functional entity via a SIP/IP core network
- Manner 2 The connection between some functional entities in the functional entity is implemented via a SIP/IP core network, and other functional entities except the partial functional entity are directly connected or connected via a SIP/IP core network. Other relay equipment connections;
- Manner 3 The connection between all functional entities in the functional entity is implemented by directly connecting to each other or via a transit device other than the SIP/IP core network.
- Manner 1 The communication between all functional entities in the functional entity is implemented by using a SIP/IP core network route;
- the second method is to implement communication between some functional entities in the functional entity via a SIP/IP core network routing, and other functional entities other than the partial functional entity are connected according to each other or via other direct communication interfaces.
- the relay device implements communication;
- Mode 3 Communication between all functional entities in the functional entity is implemented via a direct communication connection with each other or via other relay devices other than the SIP/IP core network.
- the sender and the IWF are established through the session invitation message of the large message mode CPM message by using the technical solution provided by the embodiment of the present invention.
- the transmission link of the large message mode CPM message is sent to the IWF, and the IWF forwards the large message mode CPM message to the non-CPM system of the receiver, and finally the non-CPM system sends the message content to the unreachable CPM. System receiver. Therefore, the problem that the large message mode CPM message cannot be transmitted to the group in the current technology is solved, and the user experience is improved.
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EP09848196.3A EP2456148B1 (en) | 2009-08-11 | 2009-11-27 | Method and system for transmitting large message mode converged internet protocol messaging (cpm) messages |
ES09848196.3T ES2548142T3 (es) | 2009-08-11 | 2009-11-27 | Método y sistema para transmitir mensajes de Mensajería de Protocolo de Internet Convergente (CPM) de modo de mensaje grande |
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US10498791B2 (en) * | 2014-12-19 | 2019-12-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Negotiation of message chunk size for message session relay protocol session |
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US20070156909A1 (en) * | 2005-12-29 | 2007-07-05 | Osborn William R | Proxy for extending IMS services to mobile terminals with SMS capabilities |
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CN101668251B (zh) * | 2008-09-05 | 2012-04-18 | 中兴通讯股份有限公司 | 一种基于融合业务系统实现群组消息业务的方法 |
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US20080114881A1 (en) * | 2006-11-13 | 2008-05-15 | Seung-Young Lee | Method and system for establishing session for message communication between converged ip messaging service client and short messaging service client |
US20080113679A1 (en) * | 2006-11-13 | 2008-05-15 | Samsung Electronics Co., Ltd. | System and method for providing converged messaging service |
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KR101340321B1 (ko) | 2013-12-11 |
KR20120055643A (ko) | 2012-05-31 |
US20120131114A1 (en) | 2012-05-24 |
EP2456148B1 (en) | 2015-09-02 |
EP2456148A1 (en) | 2012-05-23 |
CN101997842A (zh) | 2011-03-30 |
ES2548142T3 (es) | 2015-10-14 |
EP2456148A4 (en) | 2013-06-19 |
US8745145B2 (en) | 2014-06-03 |
CN101997842B (zh) | 2015-05-20 |
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