Flexible SIP profile for mixed networks

Details Flexible SIP profile for mixed networks Flexible SIP profile for mixed networks

2006-02-02

2010-02-23

Kumar, Pankaj (Department: 2419)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S467000

Reexamination Certificate

active

07668183

ABSTRACT:
An apparatus in one example has: a plurality of networks operatively coupled to one another, and having respective end points; and a single SIP (Session Initiation Protocol) profile useable by each network of the plurality of networks; wherein two end points, via signaling mechanisms within SIP, negotiate a level of support for ISUP (Integrated Services Digital Network User Part) services that are usable between the two end points.

REFERENCES:
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RFC 3262, Rosenberg & Schulzrinne , Reliability of Provisional Responses in SIP, Jun. 2002. RFC 3578, Camarillo, et al., ISUP Overlap Signalling to SIP, Aug. 2003.
Daniel Collins, Carrier Grade Voice Over IP, Published by McGraw-Hill Professional, 2002,ISBN 0071406344, 9780071406345.
RFC3204 , Zimmerer, et al., ISUP and QSIG MIME Objects, Dec. 2001. RFC2976, Donovan, The SIP INFO Method, Oct. 2000. RFC3398, Camarillo, et al. , Integrated Services Digital Network (ISDN) User Part (ISUP) to Session Initiation Protocol (SIP) Mapping, Dec. 2002.
RFC3372, Vemuri, et al, Session Initiation Protocol for Telephones (SIP-T), Sep. 2002.
Camarillo, et al , draft-ietf-sipping-isup-06 , ISUP to SIP Mapping, Aug. 19, 2002.

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