Routing messages

• US 9,031,067 B2
• Filed: 10/15/2012
• Issued: 05/12/2015
• Est. Priority Date: 02/19/2003
• Status: Active Grant

• Current Assignee: Nokia Technologies Oy (Nokia Corporation)
• Original Assignee: Nokia Corporation
• Inventors: Westman, Ilkka, Laitinen, Lauri, Beres, Ervin, Bertenyi, Balazs, Bajko, Gabor, Kiss, Krisztian
• Primary Examiner(s): Sam, Phirin
• Assistant Examiner(s): Wong, Blanche
• Application Number:
  US13/652,319
• Publication Number:
  US 20130132593A1
• Time in Patent Office: 939 Days
• Field of Search: None
• US Class Current: 370/389
• CPC Class Codes: H04L 2101/395 Internet protocol multimedia private identity [IMPI]; Internet protocol multimedia public identity [IMPU]
• CPC Class Codes: H04L 45/00 Routing or path finding of packets in data switching networks routing or path finding in wireless networks H04W40/00
• CPC Class Codes: H04L 45/72 Routing based on the source address
• CPC Class Codes: H04L 45/74 Address processing for routing
• CPC Class Codes: H04L 47/00 Traffic control in data switching networks arrangements for detecting or preventing errors in the information received H04L1/00
• CPC Class Codes: H04L 47/10 Flow control; Congestion control
• CPC Class Codes: H04L 47/18 End to end
• CPC Class Codes: H04L 61/30 Managing network names, e.g. use of aliases or nicknames name-to-address mapping H04L61/45
• CPC Class Codes: H04L 61/4541 Directories for service discovery
• CPC Class Codes: H04L 61/4557 Directories for hybrid networks, e.g. including telephone numbers
• CPC Class Codes: H04L 61/4588 containing mobile subscriber information, e.g. home subscriber server [HSS]
• CPC Class Codes: H04L 65/1016 IP multimedia subsystem [IMS]
• CPC Class Codes: H04L 65/1066 Session management
• CPC Class Codes: H04L 65/1104 Session initiation protocol [SIP]
• CPC Class Codes: H04L 67/14 Session management for real-time applications in data packet communications networks H04L65/1066
• CPC Class Codes: H04L 67/51 Discovery or management thereof, e.g. service location protocol [SLP] or web services
• CPC Class Codes: H04L 67/63 Routing a service request depending on the request content or context
• CPC Class Codes: H04L 69/327 in the session layer [OSI layer 5]
• CPC Class Codes: H04W 12/06 Authentication
• CPC Class Codes: H04W 4/12 Messaging; Mailboxes; Announcements
• CPC Class Codes: H04W 40/00 : Communication routing or communication path finding
• CPC Class Codes: H04W 76/12 : Setup of transport tunnels
• CPC Class Codes: H04W 8/02 : Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
• CPC Class Codes: H04W 8/08 : Mobility data transfer
• CPC Class Codes: H04W 84/18 : Self-organising networks, e.g. ad-hoc networks or sensor networks

Abstract

This invention relates to a method of routing for a message via an IMS system is disclosed. A message is received at an ICSCF. Address information is obtained for one of an application server, server or gateway for which said message is intended. The message is sent to said application server, server or gateway in accordance with said address information.

Claims

1. An apparatus, comprising:

at least one processor; and

at least one memory embodying computer program code, the at least one processor, the at least one memory, and the computer program code configured to cause the apparatus to at least;

perform a call session control function in accordance with a session initiation protocol, the call session control function having a first mode to provide a serving call session control function, and a second mode to provide an outbound proxy function to cause routing of an application server originated session to another network,

wherein at least one of the first mode and the second mode is selected by the call session control function in response to information of a public service identity in an initial session initiation protocol request received by the apparatus from the application server.

2. The apparatus of claim 1, wherein the at least one of the first mode and the second mode are selected in response an address of the subscriber call session control function.

3. The apparatus of claim 2, wherein the information of the public service identity comprises at least one of a parameter, a port number, a character, and a bit string in a user part of the address.

4. The apparatus of claim 2, wherein the apparatus is further configured to at least provide an interrogating call state control function in accordance with the session initiation protocol.

5. A method, comprising:

performing a call session control function in accordance with a session initiation protocol, the call session control function having a first mode to provide a serving call session control function, and a second mode to provide an outbound proxy function to cause routing of an application server originated session to another network,

wherein at least one of the first mode and the second mode is selected by the call session control function in response to information of a public service identity in an initial session initiation protocol request received by the call session control function from the application server.

6. The method of claim 5, wherein the at least one of the first mode and the second mode are selected in response to an address of the subscriber call session control function.

7. The method of claim 6, wherein the information of the public service identity comprises at least one of a parameter, a port number, a character, and a bit string in a user part of the address.

8. The method of claim 6, further comprising:

providing an interrogating call state control function in accordance with the session initiation protocol.

9. A non-transitory computer-readable medium encoded with instructions that, when executed by at least one processor, cause operations comprising:

performing a call session control function in accordance with a session initiation protocol, the call session control function having a first mode to provide a serving call session control function, and a second mode to provide an outbound proxy function to cause routing of an application server originated session to another network,

wherein at least one of the first mode and the second mode is selected by the call session control function in response to information of a public service identity in an initial session initiation protocol request received by the call session control function from the application server.

10. The non-transitory computer readable medium of claim 9, wherein the at least one of the first mode and the second mode are selected in response to an address of the subscriber call session control function.

11. The non-transitory computer readable medium of claim 10, wherein the information of the public service identity comprises at least one of a parameter, a port number, a character, and a bit string in a user part of the address.

12. The non-transitory computer readable medium of claim 10, further comprising:

performing an interrogating call state control function in accordance with the session initiation protocol.