Inband messaging system interface of a PBX

Details Inband messaging system interface of a PBX Inband messaging system interface of a PBX

1994-03-21

1995-12-05

Hofsass, Jeffery A.

Telephonic communications

Audio message storage, retrieval, or synthesis

379 88, 379211, 379232, 379234, H04M 164, H04M 700

Patent

active

054736722

ABSTRACT:
A method for responding to a call to a called associated with a private branch exchange ("PBX") which is connected to a central office ("CO") by direct inward dial ("DID") trunks, which PBX is connected to a messaging system, the method includes the steps of: (a) responding to the call from the calling party and receiving the called address information; (b) determining whether to forward the call to the messaging system; (c) forwarding the call to the messaging system and transmitting the address information to the messaging system over a line; (d) detecting whether loop current is present or absent from the line after a predetermined interval; (e) if loop current is present, transmitting an answer signal to the CO, and (f) if loop current is absent, transmitting an identifying tone to the CO.

REFERENCES:
patent: 4879743 (1989-11-01), Burke et al.
patent: 4930153 (1995-03-01), Hagedorn
patent: 5218631 (1993-06-01), Katz

Affiliated with

Also associated with

Rating

Inband messaging system interface of a PBX does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Inband messaging system interface of a PBX, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Inband messaging system interface of a PBX will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1380043