Network control center call trace

Details Network control center call trace Network control center call trace

1982-12-01

1984-08-07

Schreyer, Stafford D.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

179 18FH, 340734, 340286M, H04M 1526, H04M 1532

Patent

active

044645430

ABSTRACT:
A telecommunication network has a plurality of tandem node switches interconnected by trunks. Each switch generates message detail records (MDR) which are transmitted by data links to a network control center. In response to complaints, an NCC operator can start a mechanized search of MDR to retrace the path a call had earlier taken. The retraced path may be graphically illustrated on a display network map. Data from each call trace may be stored in a call trace log for subsequent retrieval.

REFERENCES:
patent: 3651269 (1972-03-01), Le Strat et al.

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