METHODS, SYSTEMS, AND COMPUTER READABLE MEDIA FOR PROVIDING SERVICES IN A TELECOMMUNICATIONS NETWORK USING INTEROPERABILITY SPECIFICATION/SESSION INITIATION PROTOCOL (IOS/SIP) ADAPTER

• US 20090070469A1
• Filed: 09/08/2008
• Published: 03/12/2009
• Est. Priority Date: 09/06/2007
• Status: Active Grant

• Current Assignee: Tekelec
• Original Assignee: Tekelec
• Inventors: Deo, Ajay P., Roach, Adam B.
• Granted Patent: US 8,499,082 B2
• Time in Patent Office: Days
• US Class Current: 709/226
• CPC Class Codes: H04L 65/1016 IP multimedia subsystem [IMS]
• CPC Class Codes: H04L 65/40 Support for services or applications
• CPC Class Codes: H04M 7/123 where the packet-switched network is an Internet Protocol Multimedia System-type network
• CPC Class Codes: H04M 7/1235 where one of the core networks is a wireless network
• CPC Class Codes: H04W 4/16 Communication-related supplementary services, e.g. call-transfer or call-hold
• CPC Class Codes: H04W 80/10 adapted for application session management, e.g. SIP [Session Initiation Protocol] connection management H04W76/00; arrangements for session management H04L67/14

Abstract

The subject matter described herein includes methods, systems, and computer readable media for providing services in a telecommunications network using an IOS/SIP adapter. According to one aspect of the subject matter described herein, a method for providing supplementary services to IMS devices and non-IMS devices using common IMS network components is provided. The method includes providing an interoperability specification/session initiation protocol (IOS/SIP) adapter configured to communicate with a base station subsystem and an IMS network. The method further includes, at the IOS/SIP adapter, receiving, from the base station subsystem a request for providing a supplementary service to a non-IMS device in communication with the base station subsystem. In response to the request, the method includes sending a message to an IMS node in the IMS network that provides the supplementary service to the non-IMS device and to IMS devices.

Claims

1. A method for providing supplementary services to IP multimedia subsystem (IMS) devices and non-IMS devices using common IMS network components, the method comprising:

providing an interoperability standard/session initiation protocol (IOS/SIP) adapter configured to communicate with a base station subsystem and an IMS network; and

at the IOS/SIP adapter, receiving, from the base station subsystem, a request for providing a supplementary service to a non-IMS device in communication with the base station subsystem, and in response to the request, sending a message to an IMS node in the IMS network that provides the supplementary service to the non-IMS device and to IMS devices.

2. The method of claim 1 wherein the supplementary service comprises one of a call waiting service, a call forwarding service, and a caller ID service.

3. The method of claim 1 wherein the request from the base station subsystem comprises an IOS message.

4. The method of claim 3 wherein the message sent to the IMS node comprises a SIP message.

5. The method of claim 4 wherein the SIP message comprises a SIP message that furthers providing of the supplementary service.

6. The method of claim 4 wherein sending the message to the IMS node in the IMS network includes mapping parameters in the IOS message to corresponding parameters in the SIP message.

7. The method of claim 5 wherein the SIP message that furthers the providing of the supplementary service comprises an INVITE message.

8. The method of claim 6 wherein mapping parameters in the IOS message to corresponding parameters in the SIP message includes mapping IOS bearer parameters to SIP bearer parameters.

9. The method of claim 6 wherein mapping parameters in the IOS message to corresponding parameters in the SIP message includes mapping combinations of parameters and sub-parameters in the IOS message to combinations of parameters and sub-parameters in the SIP message.

10. The method of claim 1 comprising registering the non-IMS device with the IMS network via the IOS/SIP adapter.

11. The method of claim 1 wherein the base station subsystem comprises one of a femto cell base station subsystem, a pico cell base station subsystem, a micro cell base station subsystem and a macro cell base station subsystem.

12. The method of claim 1 wherein the sending a message to the IMS node in the IMS network includes mapping parameters from the request from the base station subsystem to corresponding parameters in the message sent to the IMS node.

13. The method of claim 1 wherein comprising, at the IOS/SIP adapter, receiving a message from the IMS network regarding the supplementary service, formulating a corresponding IOS message, and sending the corresponding IOS message to the base station subsystem.

14. A method for registering a non IP multimedia subsystem (non-IMS) device with an IMS network, the method comprising:

providing an interoperability standard/session initiation protocol (IOS/SIP) adapter configured to communicate with a base station subsystem and an IMS network; and

at the IOS/SIP adapter;

associating a temporary IMS identifier with a non-IMS identifier of a non-IMS device for identifying the non-IMS device to the IMS network; and

formulating and sending an IMS registration message to the IMS network, where the message includes the temporary IMS identifier.

15. The method of claim 14 wherein associating the temporary IMS identifier with the non-IMS identifier includes synthesizing the temporary IMS identifier from the non-IMS identifier.

16. The method of claim 14 wherein the non-IMS identifier comprises one of an international mobile subscriber identity (IMSI), and equipment serial number (ESN), and a mobile directory number (MDN) of the non-IMS device.

17. A method for call setup using an interoperability specification/session initiation protocol (IOS/SIP) adapter, the method comprising:

at an IOS/SIP adapter, receiving an IOS call setup request in response to a call originating from a non IP multimedia subsystem (non-IMS) device;

at the IOS/SIP adapter, in response to the IOS call setup request, formulating an IMS message for setting up the call in an IMS network, where the IMS message includes information for setting up the call, the information including at least the calling party identifier; and

sending the IMS message to the IMS network.

18. The method of claim 17 wherein receiving an IOS call setup request includes receiving the IOS call setup request from one of a femto cell base station subsystem, a pico cell base station subsystem, a micro cell base station subsystem, and a macro cell base station subsystem.

19. The method of claim 17 wherein the IMS message includes a complete set of information required for setting up the call.

20. The method of claim 17 wherein the IMS message comprises a SIP message.

21. The method of claim 20 wherein formulating the IMS message includes mapping parameters in the IOS call setup request to corresponding parameters in the SIP message.

22. The method of claim 17 comprising, at the IOS/SIP adapter, receiving a SIP message from the IMS network regarding the call, and, in response, formulating a corresponding IOS message and sending the corresponding IOS message to a base station subsystem.

23. A method for aggregating subscriptions of non IP multimedia subsystem (non-IMS) devices to state information maintained by an IMS network, the method comprising:

providing an interoperability standard/session initiation protocol (IOS/SIP) adapter configured to communicate with a base station subsystem and an IMS network; and

at the IOS/SIP adapter, receiving IOS messages generated in response to plural non-IMS terminals subscribing to their registration statuses, and, in response;

formulating a resource list including virtual subscriptions for the plural IMS terminals; and

providing the resource list to the IMS network.

24. The method of claim 23 wherein the virtual subscriptions include identifiers for each of the non-IMS terminals.

25. The method of claim 23 wherein providing the resource list to the IMS network includes sending a SIP SUBSCRIBE message to the IMS network for subscribing to the registration statuses of the non-IMS terminals as a group.

26. The method of claim 23 wherein the IOS/SIP adapter communicates the SUBSCRIBE message to a presence server in the IMS network.

27. The method of claim 26 wherein presence server responds to the SUBSCRIBE message with a NOTIFY message containing registration state information for the virtual subscriptions within the resource list and wherein the IOS/SIP adapter receives the NOTIFY message and provides the registration network to the non-IMS devices.

28. A method for invoking a supplementary service provided by an IP multimedia subsystem (IMS) network from an interoperability standard (IOS) network, the method comprising:

receiving, from a base station subsystem, an IOS message associated with a request for a supplementary service;

translating the IOS message into a session initiation protocol (SIP) message for furthering providing of the supplementary service; and

transmitting the SIP message to an IMS node.

29. The method of claim 28 comprising, at the IOS/SIP adapter, receiving a SIP message associated with the supplementary service, formulating a corresponding IOS message, and sending the IOS message to the base station subsystem.

30. A method for effecting short message service (SMS) transactions using an interoperability standard/session initiation protocol (IOS/SIP) adapter, the method comprising:

at an IOS/SIP adapter located between a base station subsystem and an IMS network receiving, from the base station subsystem, an IOS message associated with an SMS transaction;

translating the IOS message into a SIP message associated with the SMS transaction;

transmitting the SIP message to an IMS node that facilitates SMS transactions for IMS and non-IMS devices.

31. The method of claim 30 wherein translating the SIP message to an IOS message includes translating an application data deliver service (ADDS) transfer message to a SIP MESSAGE message.

32. The method of claim 30 comprising, at the IOS/SIP adapter, receiving, from the IMS node, a SIP message associated with the SMS transaction, formulating a corresponding IOS message, and sending the corresponding IOS message to the base station subsystem.

33. An interoperability standard/session initiation protocol (IOS/SIP) adapter comprising:

an IOS network interface module configured to communicate with a base station subsystem in communication with a non IP multimedia subsystem (non-IMS) device;

a SIP network interface module configured to communicate with an IMS network;

an IOS/SIP converter for converting between SIP and IOS, wherein, when the IOS network interface module receives a request from the base station subsystem in communication with the non-IMS device for a supplementary service, the IOS/SIP converter module formulates a message for invoking the supplementary service, and the SIP module sends the message to an IMS node in the IMS network that provides the supplementary service to the non-IMS device and to IMS devices.

34. The IOS/SIP adapter of claim 33 wherein the IOS module is configured to communicate with the non-IMS device via one of a femto cell base station subsystem, a pico cell base station subsystem, a micro cell base station subsystem, and a macro cell base station subsystem.

35. The IOS/SIP adapter of claim 33 wherein the supplementary service comprises one of a call waiting service, a call forwarding service, and a caller ID service.

36. The IOS/SIP adapter of claim 33 wherein the IOS/SIP converter is configured to translate an IOS message associated with short message service message delivery to a SIP message associated with short message service message delivery.

37. The IOS/SIP adapter of claim 33 wherein the IOS/SIP converter is configured to translate an IOS message associated with call setup for a call involving an non-IMS device to a SIP message associated with the call setup.

38. The IOS/SIP adapter of claim 33 wherein the IOS/SIP converter is configured to perform IMS subscription aggregation on behalf of a plurality of non-IMS devices.

39. The IOS/SIP adapter of claim 33 wherein the IOS/SIP converter is configured to perform IMS identity synthesis for users of non-IMS devices.

40. The IOS/SIP adapter of claim 33 wherein the IOS/SIP converter is configured to map IOS message parameters to corresponding SIP message parameters and vice versa.

41. The IOS/SIP adapter of claim 33 wherein the IOS/SIP converter is configured to route IOS originating emergency services calls to an emergency services routing node.

42. The IOS/SIP adapter of claim 33 wherein the IOS/SIP converter is configured to provide for lawful intercept of IOS and SIP originated communications for surveillance purposes.

43. A computer readable medium having stored thereon computer executable instructions that when executed by the processor of a computer perform steps comprising:

receiving an IOS message associated with one of;

call setup, an SMS message transactions, and providing of a supplementary service;

translating the IOS message to a SIP message associated with the one of;

call setup, the SMS message transaction, and the providing of the supplementary service; and

forwarding the SIP message to an IMS node in the IMS network that facilitates the one of;

call setup, SMS message transaction, and the providing of the supplementary service for non-IMS devices and IMS devices.