Thread View: fa.telecom
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Started by SSR
Wed, 16 Oct 1985 02:48
Re: Tones
Author: SSR
Date: Wed, 16 Oct 1985 02:48
Date: Wed, 16 Oct 1985 02:48
29 lines
1329 bytes
1329 bytes
In reply to Kremen@Aerospace's questions about the three tones heard on the beginning of intercept recordings; 1) Are these tones different for different types of messages? 2) Is there a code behind the tone sequence? If there is, what is the code or where can if find a listing for it? 3) What is the official purpose of the tones? Can the be recognized by a Touch Tone (tm) ? 1> No, the three tones you hear are the same for all recorded announcement messages. 2> No and no. 3> The official purpose of the tones is to allow the Service Evaluation System's ( a system that measures network performance ) call classification terminal to interpret the sound into a "call intercepted" message. ssr
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