Protocol analysis method and system

Details Protocol analysis method and system Protocol analysis method and system

1997-06-06

1999-08-17

Patel, Ajit

Multiplex communications

Communication techniques for information carried in plural...

Combining or distributing information via time channels

370522, H04J 312

Patent

active

059404094

ABSTRACT:
A method of and system for monitoring the conditions of channels in a multichannel telecommunications line, wherein each of the traffic channels uses A/B bit signaling to signal their condition. Whenever the system detects a setup acknowledgment message in a command channel that includes a call reference and a channel identifier, the system displays the detected setup acknowledgment message and monitors the channel identified by said channel identifier for a change in line status, as indicated by a change in its A/B bits. In response to detection of a change in the A/B bits of the channel identified by the channel identifier, the system decodes the A/B bits and displays the changed line status.

REFERENCES:
patent: 4730312 (1988-03-01), Johnson et al.
patent: 5093830 (1992-03-01), Munter
patent: 5408524 (1995-04-01), Reum
patent: 5457690 (1995-10-01), Joffe et al.
patent: 5602828 (1997-02-01), Engdahl et al.

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