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Telephone traffic analysis/telephone service analysis having switching network with surveilling mechanism delivering digital words/decoded/traffic analysis selected/crossing interface.
Telephone traffic analysis/telephone service analysis having switching network with surveilling mechanism delivering digital words/decoded/traffic analysis selected/crossing interface.
The telephone traffic analysis system has a switching network (1,2) forming part of a telephone network (3). There is a mechanism (6,7) surveilling the switching network and delivering digital words (D1,D2) for the telephone traffic. The digital words are decoded and selected as traffic analysis information crossing the interface (13).
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