David wrote:
>> What is the highest baud rate that one can theoretically achieve
>> with a DTMF chip?
>
> About 17DPS without breaking any of the rules.
> BTDT without taking the digit time below 50mS

So around 300 bps. Too slow for my current application, but I'll keep that 
in mind for the future -- thanks!

Best regards,

Vitaliy 

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