Tron Keefer Posted July 20, 2010 Report Share Posted July 20, 2010 I have a pretty basic setup and following the OCS guide exactly for setting up a Mediation server and trunks. In V3 I can receive inbound calls on an extension and communicator will ring but I cannot place outbound calls. The call will not ring and ends up timing out. If I upgrade to V4 then both inbound and outbound calls work fine but communicator will no longer ring. After searching thru logs the only suspicious thing I could find was in Wireshark. I have a contact registered on an extension to use TCP but the packat would indicate otherwise. I almost seems that the PBX sends to Mediation via UDP and not TCP. 10.180.235.240 10.180.235.241 SIP/SDP Request: INVITE sip:+firstname.lastname@example.org, with session description 10.180.235.241 10.180.235.240 ICMP Destination unreachable (Port unreachable) Via: SIP/2.0/UDP 10.180.235.240:5060;branch=z9hG4bK-6699562ce6b54b6f5ddb52062a8c3de8;rport What's the difference between V3 and V4 that could cause this behaviour? Am I interpreting this correctly? Quote Link to comment Share on other sites More sharing options...
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