Method and apparatus for presence indication of cellular...

Details Method and apparatus for presence indication of cellular... Method and apparatus for presence indication of cellular...

2006-04-21

2010-11-23

Mehrpour, Melody (Department: 2617)

Telecommunications

Radiotelephone system

Special service

C709S206000

Reexamination Certificate

active

07840212

ABSTRACT:
A telecommunications system includes a plurality of cellular telephone networks; a presence server configured to receive cellular telephone network registration information from presence clients and provide cellular telephone network identification indicia to others of said presence clients.

REFERENCES:
patent: 7697924 (2010-04-01), Caspi et al.
patent: 2005/0091327 (2005-04-01), Koch
patent: 2005/0164686 (2005-07-01), Bushnell et al.
patent: 2006/0058025 (2006-03-01), Barrow
patent: 2006/0234703 (2006-10-01), Wuthnow et al.
patent: 2006/0268750 (2006-11-01), Weiner
patent: 2007/0046823 (2007-03-01), Jiang
patent: 2007/0120856 (2007-05-01), De Ruyter et al.

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