hi! I was wondering if the "i" extension works ,i mean i have included this in my extensions.conf ie exten => i,1,Answer exten => i,2,Playback(pbx-invalid) exten => i,3,Hangup but it doesn`t seem to work,i am getting no announcement when i dial an invalid no. rather i get the invalid tone (which we usually get on our analog phones at home) can someone help??? Thanx