Router and SIP server

Details Router and SIP server Router and SIP server

2007-12-06

2010-11-09

Pezzlo, John (Department: 2465)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S400000, C379S088170, C709S238000

Reexamination Certificate

active

07830886

ABSTRACT:
A boundary node router determines whether a received packet includes a SIP message and a REGISTER message, and, if so, adds its router identifier to a REGISTER message which includes a user identifier and a user terminal identifier, sent from a user terminal, and sends the message to a SIP server. The SIP server has a user management table which stores the user terminal identifier, the router identifier of a router which serves the user terminal, and a predetermined Quality of Service type, in association with each user identifier. The SIP server extracts a user identifier, a user terminal identifier, and a router identifier from a received REGISTER message, and updates the user terminal identifier and the router identifier corresponding to the extracted user identifier, to the extracted user terminal identifier and the extracted router identifier.

REFERENCES:
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patent: 2008/0107094 (2008-05-01), Borella et al.
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patent: 2003108527 (2003-04-01), None
patent: 2003229893 (2003-08-01), None

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