Methods, apparatus and computer program products for routing...

Details Methods, apparatus and computer program products for routing... Methods, apparatus and computer program products for routing...

2007-12-25

2007-12-25

Nguyen, Quynh H. (Department: 2614)

Telephonic communications

Plural exchange network or interconnection

With interexchange network routing

C379S033000, C379S037000, C379S093010, C379S093070, C379S106010, C379S221020, C379S221030, C379S221140, C379S207140, C379S211010, C379S211020, C379S212010, C370S351000, C370S352000, C370S353000, C370S354000, C370S355000, C370S356000

Reexamination Certificate

active

10653670

ABSTRACT:
A phone call is selectively routed to a public switched telephone network or to a packet switched network based on a called number to which the phone call is directed. A phone call may be made as a Voice-Over-Internet-Protocol call through, for example, the Internet except when a user dials an emergency number, in which case the call is made to the public switched telephone network.

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