how to configure sip trunk between cme and issabel

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

Read more