[Asterisk-Users] TDM04B

[Andrew Kohlsmith]

On Thursday 09 June 2005 08:21, Ariel Batista wrote:
> This board is FXO which you plug incoming phone lines into it. So plugging
> in a handset unless it's a butt set it will not give you any dial tone. In
> fact you damage the port doing this to it.

A butt set will not give you dialtone either.  And plugging telephones into 
FXO ports will *not* damage anything, since both the phone and the card are 
expecting the other side to source battery and ring.  It's plugging POTS 
lines into FXS ports that causes nastiness.

-A.