search for: b4d652eb

Displaying 1 result from an estimated 1 matches for "b4d652eb".

2008 Mar 06
1
Call Manager as trunk
I have Asterisk 1.4 tied via SIP to a Cisco Callmanager 6.1 system. Calls between the systems (ie. extension to extension) work perfectly. However when I attempt to make an outside call from an Asterisk extension through Call Manager to the outside world, it connects but only for a few seconds, and on the Asterisk console I get: Got SIP response 503 "Service Unavailable" back from (ip