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

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

2006-08-15

2006-08-15

Cangialosi, Salvatore (Department: 3621)

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

C379S114210, C379S212010, C713S176000, C713S178000

Reexamination Certificate

active

07092385

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.

REFERENCES:
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patent: 6047051 (2000-04-01), Ginzboorg et al.
patent: 6047268 (2000-04-01), Bartoli et al.
patent: 6282193 (2001-08-01), Hluchyj et al.
patent: 6751652 (2004-06-01), Thomas
patent: 2001/0023416 (2001-09-01), Hosokawa
patent: 2002/0146005 (2002-10-01), Gallant et al.

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