Method and system for registering multiple communication...

Details Method and system for registering multiple communication... Method and system for registering multiple communication...

2007-03-06

2007-03-06

Dharia, Rupal (Department: 2141)

Electrical computers and digital processing systems: multicomput

Computer network managing

C709S229000, C709S239000, C709S240000, C709S244000

Reexamination Certificate

active

10804918

ABSTRACT:
A session initiation protocol (SIP) based communication system registers a number of different device types (10, 50) in a database (30). Each type of communication device is registered including a communication device description, internet protocol address, priority, registration time, and expiration time (80). When a call is received by the network (20), the communication device at which to reach the user is first selected by priority (116) and then by registration time of the communication device (122).

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“Overview of the Session Initiation Protocol”, Guide to Cisco Systems' VoIP Infrastructure Solution for SIP, Chapter 1, OL-1002-01, pp. 1-1 to 1-8.

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