my config
trunk group fxo
voice-port 0/3/0
trunk-group fxo 1
connection plar 7240 // to fxs (fax)
dial-peer voice 995 pots
trunkgroup fxo
destination-pattern 80666666666
call threw fxo to fxs is done ok
when I want to call from ip phone threw fxo I hear one long signal and after 14 sec. busy
