Answer supervision and service selection

Details Answer supervision and service selection Answer supervision and service selection

1990-10-16

1993-11-23

Dwyer, James L.

Telephonic communications

Supervisory or control line signaling

Signal receiver

379 94, 379164, 379257, 379100, H04M 300

Patent

active

052651576

ABSTRACT:
Apparatus and method for communicating a call answered event and other communication services selection information to a call originating device (telephone). Tone signalling technology (DTMF) is used to indicate call progress. DTMF signals are generated by the switching system or associated telephony equipment.

REFERENCES:
patent: 4219699 (1980-08-01), Nilssen et al.
patent: 4754478 (1988-06-01), Leibersberger et al.
patent: 4809321 (1989-02-01), Morganstein et al.
patent: 4995073 (1991-02-01), Okata et al.
patent: 5062133 (1991-10-01), Melrose
patent: 5073922 (1991-12-01), Okada

Affiliated with

Also associated with

Rating

Answer supervision and service selection does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Answer supervision and service selection, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Answer supervision and service selection will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1855931