Telephone system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Aug 10, 2006
app pub date -
Feb 3, 2006
filing date -
Feb 4, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A communication system includes a subsystem that provides an interface between an IP based telephone control network and a public data network, the subsystem is used for registration of a subscriber's devices on the public data network with the telephone network and enables receiving and/or originating communication sessions from the devices through the telephone network. The subsystem can emulate a P-CSCF function to couple devices on the public Internet, for example voice-over-IP devices, to an IMS or MMD cellular telephone infrastructure.
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Family
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