Patent · US Active

Third party call control of all phones

US7715421B2 · kind B2 · utility

1Cited by

5References

8Claims

0Family size

Assignee

AT&T Intellectual Property I, L.P. · US

Inventors

Yihsiu Chen · Middletown, US
Steve Fisher · San Francisco, US
Mark Jeffrey Foladare · East Brunswick Township, US
Samuel Glazer · New York, US
Shelley B. Goldman · East Brunswick Township, US
Thaddeus Julius Kowalski · Summit, US

Key dates

Filing date	Feb 5, 2004
Grant date	May 11, 2010
Priority date	—
Expiry date	Aug 23, 2026

Classification

Technology area (CPC H)Electricity
CPC primaryH04M3/56
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

A system and method for call control wherein a call received at a communication device may be controlled through an IP device connected to an IP network over which at least a portion of the call was routed. The IP device is connected to the IP network via a control gateway.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.