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Subject: Re: dial tone, calling ring and busy signal detection

Date: 12/13/02 at 2:28 PM
Posted by: Grasshopper
E-mail: freds555@aol.com
Message Posted:

In Reply to: dial tone, calling ring and busy signal detection posted by gilbert bautista on 11/26/02 at 6:45 PM:

Start with TeltoneM-957 DTMF receiver. Other devices are 75T202 and 204


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