Exchange and use of globally unique device identifiers for circuit-switched and packet switched integration

Patent metadata

Field	Value
Publication number	US-9049121-B2
Application number	US-201313758358-A
Country	US
Kind code	B2
Filing date	Feb 4, 2013
Priority date	Jun 22, 2005
Publication date	Jun 2, 2015
Grant date	Jun 2, 2015

Abstract

According to one aspect, a system and method of exchanging GRUUs (Globally Routed User Agent URI (Uniform Resource Identifier)) between a first telephony-enabled device and a second telephony enabled device using a circuit-switched message is provided. Once exchanged, the telephony enabled devices can exchange SIP (session initiated protocol) communications routed by the GRUUs. Any one of the telephony-enabled devices can add a media component to the SIP communications. According to another aspect, a system and method of generating GRUUs is provided. According to another aspect, a system and method of handing off communications to a packet switched network from a circuit switched network is provided.

First claim

We claim:

1. A method in a mobile device for use in a network for indicating to a network component that a circuit switched (CS) call with the mobile device and a packet switched (PS) communication session originate from the same mobile device, the method comprising at the mobile device:
sending a cellular telephony protocol message including an International Mobile Equipment Identity (IMEI) in an information element of the cellular telephony protocol message; and
sending a Session Initiation Protocol (SIP) message to the network, the SIP message including the IMEI in a format of a Unified Resource Name (URN) in an instance identifier (ID) contained within the SIP message.

2. The method according to claim 1 , wherein the IMEI uniquely identifies the mobile device.

3. The method according to claim 1 , further comprising:
sending the cellular telephony protocol message from the mobile device to a cellular network.

4. The method according to claim 1 , further comprising:
sending the SIP message from the mobile device to a PS network.

5. The method according to claim 1 , wherein the IMEI uniquely identifies the mobile device as a participant in the CS call over a cellular network and as a source in the PS communication session over a PS network.

6. The method according to claim 1 , wherein the CS call comprises a voice call and the PS communication session comprises at least one of streaming video data and a Voice over IP (VolP) communication.

7. The method according to claim 1 , wherein the cellular telephony protocol message is configured in accordance with an unstructured supplementary service data message protocol.

8. The method according to claim 1 , wherein the cellular telephony protocol message is configured in accordance with a short message service message protocol.

9. The method according to claim 1 , wherein the cellular telephony protocol message is configured in accordance with a multimedia message service message protocol.

10. A mobile device for use in a network for indicating to a network component that a circuit switched (CS) call with the mobile device originates from a mobile device and that a packet switched (PS) communication session originates from the same mobile device, the mobile device comprising a wireless radio, the mobile device being configured to:
send, by the wireless radio, a cellular telephony protocol message including an International Mobile Equipment Identity (IMEI) in an information element of the cellular telephony protocol message; and
send, by the wireless radio, a Session Initiation Protocol (SIP) message to the network, the SIP message including the IMEI in a format of a Unified Resource Name (URN) in an instance identifier (ID) contained within the SIP message.

11. The mobile device according to claim 10 , wherein the IMEI uniquely identifies the mobile device.

12. The mobile device according to claim 10 , wherein the mobile device is further configured to:
send, by the wireless radio, the cellular telephony protocol message from the mobile device to a cellular network.

13. The mobile device according to claim 10 , wherein the mobile device is further configured to:
send, by the wireless radio, the SIP message from the mobile device to a PS network.

14. The mobile device according to claim 10 , wherein the IMEI uniquely identifies the mobile device as a participant in the CS call over a cellular network and as a source in the PS communication session over a PS network.

15. The mobile device according to claim 10 , wherein the CS call comprises a voice call and the PS communication session comprises at least one of streaming video data and a Voice over IP (VolP) communication.

16. The method according to claim 10 , wherein the cellular telephony protocol message is configured in accordance with an unstructured supplementary service data message protocol.

17. The method according to claim 10 , wherein the cellular telephony protocol message is configured in accordance with a short message service message protocol.

18. The method according to claim 10 , wherein the cellular telephony protocol message is configured in accordance with a multimedia message service message protocol.

Assignees

• Research In Motion Ltd
• Blackberry Ltd

Inventors

• Allen Andrew
• Buckley Adrian

Classifications

• H04L65/1069

  Session establishment or de-establishment · CPC title

• H04W4/12

  Messaging; Mailboxes; Announcements · CPC title

• H04L65/1073

  Registration or de-registration · CPC title

• H04M7/006

  Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP) , including next generation networks with a packet-switched transport layer (H04L65/00 takes precedence; aspects not specific to the type of network H04M3/00; special services in those networks H04M3/42) · CPC title

• H04L41/0846 Primary

  based on copy from other elements · CPC title