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