how to configure sip trunk between cme and issabel or how to configure sip trunk between cme and elastix.
Some time we require sip communication between Cisco CME and Asterisk servers to send and receive calls to and from CME to Asterisk .
First we will configure Issabel side with following steps. we will go through following steps .
1- Configure Trunk
2- Configure Outbound Routes
3-Inbound Routes