I am trying to use our IPT Gateway Router to make calls between our different PBX systems. Our Cisco VOIP routers use dial peers to connect to each other and the IPT GW routers use the Call Manager.
I can ping between the routers but when I set up the IPT Gateway as a VOIP dial peer and try to use the tie line I'm getting NU tone.
Should I be using the Cisco Call Manager settings rather than the dial peer?
I'm confused.