Policy control and billing support for call transfer in a...

Data processing: financial – business practice – management – or co – Business processing using cryptography – Usage protection of distributed data files

Reexamination Certificate

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Details

C705S050000, C705S051000

Reexamination Certificate

active

07860800

ABSTRACT:
A session initiation protocol (SIP) server adds billing and authentication information to conventional SIP messages used in establishing call transfers. This additional information is later verified by a SIP server and used to enable advanced billing and fraud protection features for call transfers in a SIP telecommunications network.

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SIP ascendant: A year ago, we said SIP would win the “protocol wars.” Today, however, SIP's biggest challenge comes not from rival protocols, but from a timid market's hesitation to explore the stunning new application paradigms that it enables, (Michael, Bill, Communications Convergence , v 9 , n 6 , p. 28(22), Jun. 2001, ISSN: 1534-2840, 26 page.
Rfc2753, A Framework for Policy-based Admission Control, 20 pages, IETF.
Draft-ietf-sip-refer-02, The SIP refer method, 19 pages, Internet Engineering Task Force, Oct. 30, 2001.
Draft-dcsgroup-sip-proxy-proxy-00., SIP proxy-to-proxy extensions for supporting Distributed Call State, 12 pages, Internet Engineering Task Force, Nov. 1999.
Draft-pan-diameter-sip-01.txt, DIAMETER: Policy and Accounting Extension for SIP, 25 pages, Internet Engineering Task Force, Nov. 15, 1998.
Draft-ietf-sip-rfc2543bis-04.txt, SIP: Session Initiation Protocol, 211 pages, Internet Engineering Task Force, Jul. 20, 2001.
SIP ascendant: A year ago, we said SIP would win the “protocol wars.” Today, however, SIP's biggest challenge comes not from rival protocols, but from a timid market's hesitation to explore the stunning new application paradigms that it enables, (Michael Bill, Communications Convergence, v. 9, n. 6, p. 28(22), Jun. 2001. ISSN: 1534, 2840, 26 pages.
Rfc2753, A Framework for policy-based admission control, 20 pages, IETF.
Draft-ietf-sip-refer-02, The SIP refer method, Internet Engineering Task Force, Oct. 31, 2001, 19 pages.
Draft-dcsgroup-sip-proxy-proxy-00., SIP proxy-to-proxy extensions for supporting Distributed Call State, Internet Engineering Task Force, Nov. 1999, 12 pages.
Draft-pan-diameter-sip-01.txt, DIAMETER: Policy and Accounting Extension for SIP, Internet Engineering Task Force, Nov. 15, 1998, 25 pages.
Draft-ietf-sip-rfc2543bis-04.txt, SIP: Session Initiation Protocol, Internet Engineering Task Force, Jul. 20, 2001, 211 pages.

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