> Phone voltage should be 48v off hook.  On hook (when you pick up and get a
> dial tone) is -48v.  Ring voltage is 98v.  Variances can be + or - 6v.
> Beyond that, you will have problems detecting loop current properly.
> Putting a voltage meter on the line should result in -48v being read.
>
> Good luck!
>
> Kyle Elmblade
> Distinct Computer Solutions
> Sales - Upgrades - Training - Consulting
> [log in to unmask]
> "A closed mouth gathers no foot"
>


Actually I think you mean the voltage off-hook should not be 48v, but
somewhere in the range og 6-10v. Off-hook voltage means you have the
telephone off the cradle and should hear a dial tome.

 Jogn Zyla
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