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Date: | Re: [ECS] [Fwd: Local DTMF detection ?]
Charles Laye
Wed, 26 Aug 1998 11:53:27 -0400 |
The boards can detect DTMF as well as many other frequencies. They also
detect dial tone, normal and fast busy. They are used to controlling on
hook, off hook but generate codes to show if they are on or off and if
they detect a dial tone.
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