Call progress monitoring

Details Call progress monitoring Call progress monitoring

1992-03-17

1993-06-22

Schreyer, Stafford

Telephonic communications

Diagnostic testing, malfunction indication, or electrical...

Of trunk or long line

379 27, 379 29, 379 34, H04M 322

Patent

active

052220834

ABSTRACT:
Method for use in developing, testing, debugging, and/or troubleshooting a call progress monitoring (CPM) detection system which is utilized, for example, by a voice messaging system (VMS). One embodiment of the present invention which is utilized in conjunction with a VMS includes the steps of: (a) monitoring at least one voice channel of the VMS to obtain CPM tones and having a CPM Detection system associated with the VMS perform an analysis of the CPM tones, the output of which analysis is referred to as CPM Trace Variables; (b) storing the CPM tones and the CPM Trace Variables for the at least one voice channel, which stored CPM tones and CPM Trace Variables are referred to as a CPM Trace file; (c) obtaining a first voice channel; and (d) feeding the voice portion of the CPM Trace file to a second voice channel for playing it to the first voice channel.

REFERENCES:
patent: 4165450 (1979-08-01), Throop et al.

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