Techniques for managing dual-channel wireless devices

• US 20080311903A1
• Filed: 06/14/2007
• Published: 12/18/2008
• Est. Priority Date: 06/14/2007
• Status: Abandoned Application

• Current Assignee: Microsoft Technology Licensing LLC (Microsoft Corporation)
• Original Assignee: Microsoft Corporation
• Inventors: Levin, Danny
• Application Number:
  US11/818,320
• Publication Number:
  US 20080311903A1
• Time in Patent Office: Days
• US Class Current: 455/426.1
• CPC Class Codes: H04L 65/1069 Session establishment or de-establishment
• CPC Class Codes: H04L 65/1094 Inter-user-equipment sessions transfer or sharing
• CPC Class Codes: H04L 65/1095 Inter-network session transfer or sharing
• CPC Class Codes: H04L 65/1104 Session initiation protocol [SIP]
• CPC Class Codes: H04W 76/20 Manipulation of established connections
• CPC Class Codes: H04W 88/06 adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Abstract

Techniques for managing dual-channel wireless devices are described. A dual-channel wireless device may comprise a first transceiver operative to communicate control information over a data channel using a packet-switched network. The dual-channel wireless device may further comprise an enhanced call module communicatively coupled to the first transceiver, the enhanced call module comprising a back-to-back user agent operative to establish a session between the back-to-back user agent and a call terminal using the control information. The dual-channel wireless device may also comprise a second transceiver operative to communicate voice information over a voice channel using a circuit-switched network during the session. Other embodiments are described and claimed.

Claims

1. A method, comprising:

communicating control information over a data channel between a call terminal and a dual-channel wireless device having a back-to-back user agent;

establishing a session between the call terminal and the dual-channel wireless device using the control information; and

communicating voice information over a voice channel between the call terminal and the dual-channel wireless device during the session.

2. The method of claim 1, comprising:

receiving a request to establish the session from the call terminal by a unified communications server; and

sending a response that the session is established from the unified communications server to the call terminal.

3. The method of claim 1, comprising:

sending a first request to establish a first dialog from a unified communications server to a user agent server for the dual-channel wireless device over the data channel; and

receiving a first response that the first dialog is established from the user agent server to the unified communications server over the data channel.

4. The method of claim 1, comprising:

receiving a first request to establish a first dialog from a unified communications server by a user agent server for the dual-channel wireless device over the data channel; and

sending a first response that the first dialog is established from the user agent server to the unified communications server over the data channel.

5. The method of claim 1, comprising:

sending a second request to establish a second dialog from a user agent client for the dual-channel wireless device to a unified communications server over the data channel; and

receiving a second response that the second dialog is established from the unified communications server by the user agent client over the data channel.

6. The method of claim 1, comprising:

receiving a session description offer from a unified communications server by a user agent client for the dual-channel wireless device over the data channel; and

sending a session description answer from the user agent client to the unified communications server over the data channel.

7. The method of claim 1, comprising:

sending a first request to establish a dialog from a user agent client for the dual-channel wireless device to a unified communications server; and

receiving a first response that the dialog is established from the unified communications server by the user agent client.

8. The method of claim 1, comprising:

sending a second request to establish the session from a user agent client for the dual-channel wireless device to a unified communications server; and

receiving a second response that the session is established from the unified communications server by the user agent client.

9. An article comprising a storage medium containing instructions that if executed enable a system to:

communicate control information over a data channel between a call terminal and a dual-channel wireless device having a user agent client and a user agent server;

establish a session between the call terminal and the dual-channel wireless device using the control information; and

communicate voice information over a voice channel between the call terminal and the dual-channel wireless device during the session.

10. The article of claim 9, further comprising instructions that if executed enable the system to

receive a request to establish the session from the call terminal by a session initiation protocol server;

and

send a response that the session is established from the session initiation protocol server to the call terminal.

11. The article of claim 9, further comprising instructions that if executed enable the system to

send a first request to establish a first dialog from a session initiation protocol server to the user agent server for the dual-channel wireless device over the data channel;

and

receive a first response that the first dialog is established from the user agent server to the session initiation protocol server over the data channel.

12. The article of claim 9, further comprising instructions that if executed enable the system to

receive a first request to establish a first dialog from a session initiation protocol server by the user agent server for the dual-channel wireless device over the data channel;

and

send a first response that the first dialog is established from the user agent server to the session initiation protocol server over the data channel.

13. The article of claim 9, further comprising instructions that if executed enable the system to

send a second request to establish a second dialog from the user agent client for the dual-channel wireless device to a session initiation protocol server over the data channel;

and

receive a second response that the second dialog is established from the session initiation protocol server by the user agent client over the data channel.

14. The article of claim 9, further comprising instructions that if executed enable the system to

send a first request to establish a dialog from the user agent client for the dual-channel wireless device to a session initiation protocol server;

and

receive a first response that the dialog is established from the session initiation protocol server by the user agent client.

15. The article of claim 9, further comprising instructions that if executed enable the system to

send a second request to establish the session from the user agent client for the dual-channel wireless device to a session initiation protocol server;

and

receive a second response that the session is established from the session initiation protocol server by the user agent client.

16. A system, comprising:

a dual-channel wireless device, the dual-channel wireless device comprising;

a first transceiver operative to communicate control information over a data channel using a packet-switched network;

an enhanced call module communicatively coupled to the first transceiver, the enhanced call module comprising a back-to-back user agent operative to establish a session between the back-to-back user agent and a call terminal using the control information; and

a second transceiver operative to communicate voice information over a voice channel using a circuit-switched network during the session.

17. The system of claim 16, the packet-switched network operative to communicate control information using a session initiation protocol and voice information using a real-time transport protocol.

18. The system of claim 16, comprising a unified communications server operative to communicate with the enhanced call module and the call terminal to establish the session.

19. The system of claim 16, comprising a gateway operative to communicate with a unified communications server, the enhanced call module and the call terminal to establish the session.

20. The system of claim 16, comprising a base station for a cellular radiotelephone system operative to communicate with the dual-channel wireless device over a wireless shared media.