Controlling or monitoring PBX phone from multiple PC endpoints

Details Controlling or monitoring PBX phone from multiple PC endpoints Controlling or monitoring PBX phone from multiple PC endpoints

2011-03-01

2011-03-01

Chin, Vivian (Department: 2614)

Telephonic communications

Special services

C379S207020, C379S207110, C370S351000

Reexamination Certificate

active

07899168

ABSTRACT:
A method for controlling or monitoring a common PBX phone line from a plurality of personal computer endpoints with multiple instances of application of a SIP soft phone application.

REFERENCES:
patent: 2003/0217098 (2003-11-01), Bobde et al.
patent: 2004/0205192 (2004-10-01), Olson et al.
patent: 2005/0123117 (2005-06-01), Stockdale
Internet Engineering Working Group (IETF) Network Working Group, Request for Comments: 3261, 268 pages; http://www.ietf.org/rfc/rfc3261.txt?number=3261, Jun. 2002.
ECMA International; Technical Report ECMA TR/87; 1st Edition; Jun. 2004; Using CSTA for SIP Phone User Agents (uaCSTA); 77 pages.
Standard ECMA-326, Standardizing Information and Communication Systems, Jun. 2001.

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