Method and system for transmitting large message mode CPM messages

• US 20120131114A1
• Filed: 11/27/2009
• Published: 05/24/2012
• Est. Priority Date: 08/11/2009
• Status: Active Grant

• Current Assignee: Eight Deer Ventures LLC (Markman Advisors)
• Original Assignee: ZTE Corporation
• Inventors: Lu, Yan, Ali, Ghazanfar
• Granted Patent: US 8,745,145 B2
• Time in Patent Office: Days
• US Class Current: 709/206
• CPC Class Codes: H04L 12/6418 Hybrid transport
• CPC Class Codes: H04L 12/66 Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
• CPC Class Codes: H04L 51/56 Unified messaging, e.g. interactions between e-mail, instant messaging or converged IP messaging [CPM]
• CPC Class Codes: H04L 51/58 Message adaptation for wireless communication
• CPC Class Codes: H04L 65/1104 Session initiation protocol [SIP]
• CPC Class Codes: H04L 69/08 Protocols for interworking; Protocol conversion

Abstract

The disclosure discloses a method and system for transmitting a large message mode CPM message, both of which enable the respective establishment of Message Session Relay Protocol (MSRP) links between a CPM client of a sender and an originating participation function entity, between the originating participation function entity and a terminating participation function entity, and between the terminating participation function entity and an inter-working function entity, wherein the establisher of each segment of MSRP link obtains the MSRP connection parameters of the opposite end through media negotiations and establishes the MSRP link according to the MSRP connection parameters; the CPM client of the sender sends the large message mode CPM message to the inter-working function entity through each segment of established MSRP link in sequence, the inter-working function entity performs a protocol conversion on the received the large message mode CPM message and then transmits the converted message to a non-CPM system. The method and system of the disclosure enable the transmission of a large message mode CPM message to an unavailable CPM system user, thus improving user experience.

Claims

1. A method for transmitting a large message mode Converged IP Messaging (CPM) message, which is used for transmitting a large message mode CPM message from a CPM client of a sender to a target user, when the target user is an unavailable CPM system user, the method comprising:

respectively establishing Message Session Relay Protocol (MSRP) links between the CPM client of the sender and an originating participation function entity, between the originating participation function entity and a terminating participation function entity, and between the terminating participation function entity and an inter-working function entity;

obtaining MSRP connection parameters of an opposite end by an establisher of each segment of MSRP link through media negotiations and establishes the MSRP link according to the MSRP connection parameters by an establisher of each segment of MSRP link; and

sending the large message mode CPM message by the CPM client of the sender to the inter-working function entity through each segment of established MSRP link in sequence; and

performing a protocol conversion on the received large message mode CPM message by the inter-working function entity and then transmitting the converted message to a non-CPM system by the inter-working function entity.

2. The method according to claim 1, wherein a process of media negotiations comprises:

the CPM client of the sender sends a first session invitation message which is received by the originating participation function entity;

the originating participation function entity sends a second session invitation message which is received by the terminating participation function entity;

the terminating participation function entity sends a third invitation message which is received by a network selection function entity; and

the network selection function entity selects the inter-working function entity according to the third session invitation message and sends a fourth session invitation message which is received by the inter-working function entity;

the inter-working function entity sends a fourth success response message which is received by the network selection function entity;

the network selection function entity sends a third success response message which is received by the terminating participation function entity;

the terminating participation function entity sends a second success response message which is received by the originating participation function entity; and

the originating participation function entity sends a first success response message which is received by the CPM client of the sender.

3. The method according to claim 2, further comprising:

after receiving the first success response message, sending a first acknowledgement message, by the CPM client of the sender, which is received by the originating participation function entity;

after receiving the first acknowledgement message, sending a second acknowledgement message, by the originating participation function entity, which is received by the terminating participation function entity;

after receiving the second acknowledgement message, sending a third acknowledgement message, by the terminating participation function entity, which is received by the network selection function entity; and

after receiving the third acknowledgement message, sending a fourth acknowledgement message, by the network selection function entity, which is received by the inter-working function entity;

or

after the terminating participation function entity receives the third success response message, sending a third acknowledgement message, by the terminating participation function entity, which is received by the network selection function entity;

after the originating participation function entity receives the second success response message, sending a second acknowledgement message, by the originating participation function entity, which is received by the terminating participation function entity; and

after the CPM client of the sender receives the first success response message, sending a first acknowledgement message, by the CPM client of the sender, which is received by the originating participation function entity.

4. The method according to claim 3, wherein when the MSRP link between the CPM client of the sender and the originating participation function entity is a first MSRP link, the MSRP link between the originating participation function entity and the terminating participation function entity is a second MSRP link, the MSRP link between the terminating participation function entity and the inter-working function entity is a third MSRP link;

and the MSRP connection parameters of the inter-working function entity are included in the fourth and third success response messages;

the MSRP connection parameters of the terminating participation function entity are included in the second success response message sent by the terminating participation function entity, and the MSRP connection parameters of the originating participation function entity are included in the first success response message sent by the originating participation function entity,

the first, second and third MSRP links are established as follows;

the CPM client of the sender establishes the first MSRP link according to the MSRP connection parameters of the originating participation function entity;

the originating participation function entity establishes the second MSRP link according to the MSRP connection parameters of the terminating participation function entity; and

the terminating participation function entity establishes the third MSRP link according to the MSRP connection parameters of the inter-working function entity.

5. The method according to claim 4, wherein the first MSRP link is established when the first success response message is received by the client of the sender.

6. The method according to claim 5, wherein

the second MSRP link is established after the originating participation function entity receives the second success response message, or the first acknowledgement message, or an MSRP media transmission request;

and

the third MSRP link is established after the terminating participation function entity receives the second acknowledgement message, or the third success response message, or an MSRP media transmission request.

7. The method according to claim 5, wherein

during a period between establishing the first MSRP link and establishing the second MSRP link, the method further comprises:

the CPM client of the sender sends a first media transmission request, and the originating participation function entity receives the first media transmission request;

and the MSRP connection parameters of the terminating participation function entity are obtained from the second success response message or from path head information of the first media transmission request;

during a period between establishing the second MSRP link and establishing the third MSRP link, the method further comprises;

the originating participation function entity transmits the media data included in the received first media transmission request via a second media transmission request, the terminating participation function entity receives the second media transmission request;

and the MSRP connection parameters of the inter-working function entity are obtained from the third success response message or from path head information of the second media transmission request.

8. The method according to claim 4, wherein

when the MSRP connection parameters of the CPM client of the sender are included in the first session invitation message sent by the CPM client of the sender, the MSRP connection parameters of the originating participation function entity are included in the second session invitation message sent by the originating participation function entity, and the MSRP connection parameters of the terminating participation function entity are included in the third session invitation message sent by the terminating participation function entity and the fourth session invitation message sent by the network selection function entity,

the first, second and third MSRP links are established as follows:

the originating participation function entity establishes the first MSRP link according to the MSRP connection parameters of the CPM client of the sender;

the terminating participation function entity establishes the second MSRP link according to the MSRP connection parameters of the originating participation function entity; and

the inter-working function entity establishes the third MSRP link according to the MSRP connection parameters of the terminating participation function entity.

9. The method according to claim 8, wherein

the first MSRP link is established after the originating participation function entity receives the first acknowledgement message;

the second MSRP link is established after the terminating participation function entity receives the second acknowledgement message; and

the third MSRP link is established after the inter-working function entity receives the fourth acknowledgement message.

10. The method according to claim 4, wherein

when the MSRP connection parameters of the terminating participation function entity are included in the third session invitation message sent by the terminating participation function entity and the fourth session invitation message sent by the network selection function entity, the MSRP connection parameters of the originating participation function entity are included in the first success response message sent by the originating participation function entity, the MSRP connection parameters of the originating participation function entity are included in the second session invitation message sent by the originating participation function entity, or the MSRP connection parameters of the terminating participation function entity are included in the second success response message sent by the terminating participation function entity,

the first MSRP link between the CPM client of the sender and the originating participation function entity is established by the CPM client of the sender according to the MSRP connection parameters of the originating participation function entity;

the third MSRP link between the inter-working function entity and the terminating participation function entity is established by the inter-working function entity according to the MSRP connection parameters of the terminating participation function entity, and

the second MSRP link between the terminating participation function entity and the originating participation function entity is established by the terminating participation function entity according to the MSRP connection parameters of the originating participation function entity, or established by the originating participation function entity according to the MSRP connection parameters of the terminating participation function entity.

11. The method according to claim 10, wherein

the first MSRP link is established after the CPM client of the sender receives the first success response message;

the third MSRP link is established after the inter-working function entity receives the fourth acknowledgement message;

when being established by the terminating participation function entity, the second MSRP link is established after the terminating participation function entity receives the second acknowledgement message; and

when being established by the originating participation function entity, the second MSRP link is established after the originating participation function entity receives the second success response message, or the first acknowledgement message, or an MSRP media transmission request.

12. The method according to claim 10, wherein

during a period between establishing the first MSRP link and establishing the second MSRP link, the method further comprises:

the CPM client of the sender sends a first media transmission request, the originating participation function entity receives the first media transmission request; and

the MSRP connection parameters of the terminating participation function entity are obtained from the second success response message or from path head information of the first media transmission request.

13. The method according to claim 1, wherein an establishment process of the MSRP links is as follows:

an establisher achieves establishment by initiating a link establishment request according to the MSRP connection parameters of a neighboring entity;

or

the establisher selects an existing MSRP link with a matched host, port and/or MSRP URI (Universal Resource Identifier) as an MSRP link to be established.

14. The method according to claim 1, further comprising:

after the non-CPM system receives the large message mode CPM message subjected to a protocol conversion, returning a reception acknowledgement message by the non-CPM system to the inter-working function entity; and

after the inter-working function entity receives the reception acknowledgement message, sending an MSRP response message, by the inter-working function entity, which reaches the CPM client of the sender finally.

15. The method according to claim 1, wherein the communication between any two of:

the CPM client of the sender, the originating participation function entity, the terminating participation function entity and the inter-working function entity, is realized in any one of the following three manners;

manner 1;

the communication between all the function entities is realized via routing of an SIP/IP core network;

manner 2;

the communication between part of the function entities is realized via routing of an SIP/IP core network, and the communication between the function entities except the part of the function entities is realized base on direct communication link between each other or via other forwarding devices except for the SIP/IP core network; and

manner 3;

the communication between all the function entities is realized base on direct communication link between each other or via other forwarding devices except the SIP/IP core network.

16. A method for transmitting a large message mode CPM (Converged IP Messaging) message, which is used for transmitting a large message mode CPM message from a CPM client of a sender to a target group, wherein when a recipient is an unavailable CPM system user in the target group, the method comprises:

respectively establishing Message Session Relay Protocol (MSRP) links between a CPM client of a sender and an originating participation function entity, between the originating participation function entity and a CPM control function entity, between the CPM control function entity and a terminating participation function entity, and between the terminating participation function entity and an inter-working function entity;

obtaining the MSRP connection parameters of the opposite end by the establisher of each segment of MSRP link through media negotiations and establishes the MSRP link according to the MSRP connection parameters by the establisher of each segment of MSRP link;

sending the large message mode CPM message by the CPM client of the sender to the inter-working function entity through each established MSRP link in sequence; and

performing a protocol conversion on the received large message mode CPM message by the inter-working function entity and then transmitting the converted message to a non-CPM system by the inter-working function entity.

17. The method according to claim 16, wherein a process of media negotiations comprises:

the CPM client of the sender sends a first session invitation message which is received by the originating participation function entity;

the originating participation function entity sends a second session invitation message which is received by the CPM control function entity;

the CPM control function entity sends a third invitation message which is received by the terminating participation function entity; and

the terminating participation function entity sends a fourth session invitation message which is received by a network selection function entity; and

the network selection function entity selects the inter-working function entity according to the fourth session invitation message and sends a fifth session invitation message which is received by the inter-working function entity;

the inter-working function entity sends a fifth success response message which is received by the network selection function entity;

the network selection function entity sends a fourth success response message which is received by the terminating participation function entity;

the terminating participation function entity sends a third success response message which is received by the CPM control function entity;

the CPM control function entity sends a second success response message which is received by the originating participation function entity; and

the originating participation function entity sends a first success response message which is received by the CPM client of the sender.

18. The method according to claim 17, further comprising:

after the CPM client of the sender receives the first success response message, sending a first acknowledgement message, by the CPM client of the sender, which is received by the originating participation function entity;

after the originating participation function entity receives the first acknowledgement message, sending a second acknowledgement message, by the originating participation function entity, which is received by the CPM control function entity;

after the CPM control function entity receives the second acknowledgement message, sending a third acknowledgement message, by the CPM control function entity, which is received by the terminating participation function entity;

after the terminating participation function entity receives the third acknowledgement message, sending a fourth acknowledgement message, by the terminating participation function entity, which is received by the network selection function entity; and

after the network selection function entity receives the fourth acknowledgement message, sending a fifth acknowledgement message, by the network selection function entity, which is received by the inter-working function entity;

or after the terminating participation function entity receives the fourth success response message, sending a fourth acknowledgement message, by the terminating participation function entity, which is received by the network selection function entity;

after the network selection function entity receives the fourth acknowledgement message, sending a fifth acknowledgement message, by the network selection function entity, which is received by the inter-working function entity;

after the CPM control function entity receives the third success response message, sending a third acknowledgement message, by the CPM control function entity, which is received by the terminating participation function entity;

after the originating participation function entity receives the second success response message, sending a second acknowledgement message, by the originating participation function entity, which is received by the CPM control function entity; and

after the CPM client of the sender receives the first success response message, sending a first acknowledgement message, by the CPM client of the sender, which is received by the originating participation function entity.

19. The method according to claim 18, wherein when the MSRP link between the CPM client of the sender and the originating participation function entity is a first MSRP link, the MSRP link between the originating participation function entity and the terminating participation function entity is a second MSRP link, the MSRP link between the CPM control function entity and the terminating participation function entity is a third MSRP link, the MSRP link between the terminating participation function entity and the inter-working function entity is a fourth MSRP link;

and the MSRP connection parameters of the inter-working function entity are included in the fifth and fourth success response messages, the MSRP connection parameters of the terminating participation function entity are included in the third success response message sent by the terminating participation function entity, and the MSRP connection parameters of the CPM control function entity are included in the second success response message sent by the CPM control function entity; and

the MSRP connection parameters of the originating participation function entity are included in the first success response message sent by the originating participation function entity,

the first, second, third and fourth MSRP links are established as follows;

the CPM client of the sender establishes the first MSRP link according to the MSRP connection parameters of the originating participation function entity;

the originating participation function entity establishes the second MSRP link according to the MSRP connection parameters of the CPM control function entity;

the CPM control function entity establishes the third MSRP links according to the MSRP connection parameters of the terminating participation function entity; and

the terminating participation function entity establishes the fourth MSRP link according to the MSRP connection parameters of the inter-working function entity.

20. The method according to claim 19, wherein the first MSRP link is established when the first success response message is received by the client of the sender.

21. The method according to claim 20, wherein the third MSRP link is established when the CPM control function entity receives the third success response message or the second acknowledgement message.

22. The method according to claim 21, wherein

the second MSRP link is established after the originating participation function entity receives the second success response message, or the first acknowledgement message, or an MSRP media transmission request;

and

the fourth MSRP link is established when the terminating participation function entity receives the third acknowledgement message or the fourth success response message, or an MSRP media transmission request.

23. The method according to claim 20, wherein

during a period between establishing the first MSRP link and establishing the second MSRP link, the method further comprises:

the CPM client of the sender sends a first media transmission request, the originating participation function entity receives the first media transmission request;

and the MSRP connection parameters of the CPM control function entity are obtained from the second success response message or from path head information of the first media transmission request;

during a period between establishing the second MSRP link and establishing the third MSRP link, the method further comprises;

the originating participation function entity transmits the media data included in the received first media transmission request via a second media transmission request, the CPM control function entity receives the second media transmission request;

and the MSRP connection parameters of the terminating participation function entity are obtained from the third success response message or from path head information of the second media transmission request;

during a period between establishing the third MSRP link and establishing the fourth MSRP link, the method further comprises;

the CPM control function entity transmits the media data included in the received second media transmission request via a third media transmission request, the terminating participation function entity receives the third media transmission request;

and the MSRP connection parameters of the inter-working function entity are obtained from the fourth success response message or from path head information of the third media transmission request.

24. The method according to claim 18, wherein

when the MSRP connection parameters of the CPM client of the sender are included in the first session invitation message sent by the CPM client of the sender, the MSRP connection parameters of the originating participation function entity are included in the second session invitation message sent by the originating participation function entity, the MSRP connection parameters of the CPM control function entity are included in the third session invitation message sent by the CPM control function entity, and the MSRP connection parameters of the terminating participation function entity are included in the fourth session invitation message sent by the terminating participation function entity and the fifth session invitation message sent by the network selection function entity,

the first, second, third and fourth MSRP links are established as follows:

the originating participation function entity establishes the first MSRP link according to the MSRP connection parameters of the CPM client of the sender;

the CPM control function entity establishes the second MSRP link according to the MSRP connection parameters of the originating participation function entity, the terminating participation function entity establishes the third MSRP links according to the MSRP connection parameters of the CPM control function entity; and

the inter-working function entity establishes the fourth MSRP link according to the MSRP connection parameters of the terminating participation function entity.

25. The method according to claim 24, wherein

the first MSRP link is established after the originating participation function entity receives the first acknowledgement message;

the second MSRP link is established after the CPM control function entity receives the second acknowledgement message;

the third MSRP link is established after the terminating participation function entity receives the third acknowledgement message; and

the fourth MSRP link is established after the inter-working function entity receives the fifth acknowledgement message.

26. The method according to claim 18, wherein

when the MSRP connection parameters of the terminating participation function entity are included in the fourth session invitation message sent by the terminating participation function entity and the fifth session invitation message sent by the network selection function entity, and the MSRP connection parameters of the originating participation function entity are included in the first success response message sent by the originating participation function entity,

the first MSRP link between the CPM client of the sender and the originating participation function entity is established by the CPM client of the sender according to the MSRP connection parameters of the originating participation function entity, and the fourth MSRP link between the inter-working function entity and the terminating participation function entity is established by the inter-working function entity according to the MSRP connection parameters of the terminating participation function entity;

when the MSRP connection parameters of the CPM control function entity are included in the third session invitation message sent by the CPM control function entity, the third MSRP link between the terminating participation function entity and the CPM control function entity is established by the terminating participation function entity according to the MSRP connection parameters of the CPM control function entity;

or, when the MSRP connection parameters of the terminating participation function entity are included in the third success response message sent by the terminating participation function entity, the third MSRP link between the terminating participation function entity and the CPM control function entity is established by the CPM control function entity according to the MSRP connection parameters of the terminating participation function entity; and

when the MSRP connection parameters of the originating participation function entity are included in the second session invitation message sent by the originating participation function entity, the second MSRP link between the CPM control function entity and the originating participation function entity is established by the CPM control function entity according to the MSRP connection parameters of the originating participation function entity;

or, when the MSRP connection parameters of the CPM control function entity are included in the second success response message sent by the CPM control function entity, the second MSRP link between the CPM control function entity and the originating participation function entity is established by the originating participation function entity according to the MSRP connection parameters of the CPM control function entity.

27. The method according to claim 26, wherein

the first MSRP link is established after the CPM client of the sender receives the first success response message;

the fourth MSRP link is established after the inter-working function entity receives the fifth acknowledgement message;

when being established by the CPM control function entity, the second MSRP link is established after the CPM control function entity receives the second acknowledgement message;

when being established by the originating participation function entity, the second MSRP link is established after the originating participations function entity receives the second success response message, or the first acknowledgement message or an MSRP media transmission request;

when being established by the terminating participation function entity, the third MSRP link is established after the terminating participation function entity receives the third acknowledgement message; and

when being established by the CPM control function entity, the third MSRP link is established after the CPM control function entity receives the third success response message, or the second acknowledgement message or an MSRP media transmission request.

28. The method according to claim 26, wherein

during a period between establishing the first MSRP link and establishing the second MSRP link, the method further comprises:

the CPM client of the sender sends a first media transmission request, and the originating participation function entity receives the first media transmission request;

and the MSRP connection parameters of the CPM control function entity are obtained from the second success response message or from path head information of the first media transmission request;

during a period between establishing the second MSRP link and establishing the third MSRP link, the method further comprises;

the originating participation function entity sends a second media transmission request, and the CPM control function entity receives the second media transmission request;

and the MSRP connection parameters of the terminating participation function entity are obtained from the third success response message or from path head information of the second media transmission request.

29. The method according to claim 16, wherein an establishment process of the MSRP links is as follows:

an establisher achieves establishment by initiating a link establishment request according to the MSRP connection parameters of an opposite end;

or

the establisher selects an existing MSRP link with a matched host, port and/or MSRP URI (Universal Resource Identifier) as an MSRP link to be established.

30. The method according to claim 16, further comprising:

after the non-CPM system receives the large message mode CPM message subjected to a protocol conversion, returning a reception acknowledgement message by the non-CPM system to the inter-working function entity; and

after the inter-working function entity receives the reception acknowledgement message, sending an MSRP response message, by the inter-working function entity, which reaches the CPM client of the sender finally.

31. The method according to claim 16, wherein the communication between any two of:

the CPM client of the sender, the originating participation function entity, the CPM control function entity, the terminating participation function entity, the selection function entity and the inter-working function entity is realized in any one of the following three manners;

manner 1;

the communication between all the function entities is realized via routing of an SIP/IP core network;

manner 2;

the communication between part of the function entities is realized via routing of an SIP/IP core network, and the communication between the function entities except the part of the function entities is realized base on direct communication link between each other or via other forwarding devices except for the SIP/IP core network; and

manner 3;

the communication between all the function entities is realized base on direct communication link between each other or via other forwarding devices except the SIP/IP core network.

32. A system for transmitting a large message mode CPM message, comprising:

a CPM client of a sender, an originating participation function entity, a terminating participation function entity, a selection function entity and an inter-working function entity, wherein

it is configured to establish MSRP links respectively between the CPM client of the sender and the originating participation function entity, between the originating participation function entity and the terminating participation function entity, and between the terminating participation function entity and the inter-working function entity, wherein an establisher of each segment of MSRP link is configured to obtain MSRP connection parameters of an opposite end through media negotiations and establish the segment of MSRP link according to the MSRP connection parameters;

the CPM client of the sender is further configured to send the large message mode CPM message to the inter-working function entity through each established segment of MSRP link in sequence; and

the inter-working function entity is further configured to perform a protocol conversion on the received the large message mode CPM message and send the converted message to a recipient of a non-CPM system.

33. The system according to claim 32, wherein any two of:

the CPM client of the sender, the originating participation function entity, the terminating participation function entity, the selection function entity and the inter-working function entity are connected in any one of the following three ways;

Way 1;

the connection between all the function entities is realized via an SIP/IP core network;

Way 2;

the connection between part of the function entities is realized via an SIP/IP core network, and the other function entities except the part of the function entities are connected directly or via other forwarding devices except for the SIP/IP core network; and

Way 3;

all the function entities are connected directly or via other forwarding devices except for the SIP/IP core network.

34. A system for transmitting a large message mode CPM message, comprising:

a CPM client of a sender, an originating participation function entity, a CPM control function entity, a terminating participation function entity, a selection function entity and an inter-working function entity, wherein

it is configured to establish MSRP links respectively between the CPM client of the sender and the originating participation function entity, between the originating participation function entity and the CPM control function entity, between the CPM control function entity and the terminating participation function entity, and between the terminating participation function entity and the inter-working function entity, wherein an establisher of each segment of MSRP link is configured to obtain MSRP connection parameters of an opposite end through media negotiations and establish the segment of MSRP link according to the MSRP connection parameters;

the CPM client of the sender is further configured to send the large message mode CPM message to the inter-working function entity through each established segment of MSRP link in sequence; and

the inter-working function entity is further configured to perform a protocol conversion on the received large message mode CPM message and send the converted message to a recipient of a non-CPM system.

35. The system according to claim 34, wherein any two of:

the CPM client of the sender, the originating participation function entity, the CPM control function entity, the terminating participation function entity and the inter-working function entity are connected in any one of the following three ways;

Way 1;

the connection between all the function entities is realized via an SIP/IP core network;

Way 2;

the connection between part of the function entities is realized via an SIP/IP core network, and the other function entities except the part of the function entities are connected directly or via other forwarding devices except for the SIP/IP core network; and

Way 3;

all the function entities are connected directly or via other forwarding devices except for the SIP/IP core network.