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DNIS

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BigB453

BigB453

Electrical
Joined
Apr 1, 2008
Messages
1
Location
CA
I am working on a phone line alarm receiver and I have been asked to handle DNIS (Dialed Number Identification Service). I am looking for any documentation or advice concerning that service for Canada and USA...
Our line interface includes a DTMF decoder and a FSK caller ID receiving chip.
 
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Plenty of info on the web... Google "caller ID protocol".

Dan - Owner
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DNIS is (I think) when you have many telephone numbers leading to one call centre. For a fee, your telephone company will send you a string of digits (in DTMF) so that your equipment will know what number was actually called so that your systems can respond according. I know nothing more.
 
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