Methods, systems, and devices for providing voice-call...

Details Methods, systems, and devices for providing voice-call... Methods, systems, and devices for providing voice-call...

2005-08-29

2010-02-02

Shah, Chirag G (Department: 2477)

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

C370S356000

Reexamination Certificate

active

07656862

ABSTRACT:
A connection is established in a communications network responsive to receiving a Dual Tone Multi-Frequency (DTMF) signal at a port having an assigned sequence associated therewith. A dialed sequence corresponding to the received DTMF signal is identified. If the dialed sequence is associated with a request for a specified service, first and second fields of a packet-switched signaling protocol message are populated with the assigned sequence associated with the port. The populated packet-switched signaling protocol message is transmitted over a packet-switched network to request the specified service, and a connection is established to provide the specified service through the port. Related systems and devices are also discussed.

REFERENCES:
patent: 6259691 (2001-07-01), Naudus
patent: 6614781 (2003-09-01), Elliott et al.
patent: 6954454 (2005-10-01), Schuster et al.
patent: 2004/0042444 (2004-03-01), Edmon et al.

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