what pstn line u have in ur lab
basicly
dial-peer voice 9 voip
destiniation-pattren 77777
session target ipv:[ ur CCM IP]
if u have fxo
port [port number]
connection plar-opx 77777
if isdn
dial-peer voice 91 pots
incoming called-number .
direct-inward-dial
port [isdn port number]
if helpful rate
