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Tron Keefer

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  1. Try making the registration sip:20xxxxxxxx@;transport=tcp Also double check the trunk for the mediation server. Clear the log on the pbx, test it again and send the log. You may also want to use snooper on the mediation server or run wireshark to analyze the packets.
  2. Make sure you have your SRV records created in DNS. I think it will use UDP if it can't locate any of these records, even if you override the transport in the registration. http://kiwi.pbxnsip.com/index.php/Port_Setup I would create just the SIP TCP SRV record then restart the PBXNSIP service. Look at the log to see if it located and resolved it. I couldn't get anything to work until I had the SRV record properly configured.
  3. I got this working. According to http://kiwi.pbxnsip.com/index.php/Port_Setup I set up the SRV records. Well this caused the problem because PBXNSIP is resolving TLS first and I must not have the certificates configured correctly. I removed the _sips._tcp srv record, restarted the PBXNSIP service and it started working. I don't really understand how SRV records work and their priorities and why this stopped working in V4.
  4. Looking at the wireshark trace on V4 I see this, TCP 49260 > sip-tls [RST, ACK] Seq=272 Ack=2311 Win=0 Len=0 Like the PBX is trying to use TLS on port 5061. My extension has a registration that looks like this, sip:+1717XXXXXXX@smed0100301.domain.lcl;transport=tcp How can I force it to use 5060? The mediation server can't listen on 5061.
  5. 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. SIP/SDP Request: INVITE sip:+17177836195@smed0100301.attgen.lcl, with session description ICMP Destination unreachable (Port unreachable) Via: SIP/2.0/UDP;branch=z9hG4bK-6699562ce6b54b6f5ddb52062a8c3de8;rport What's the difference between V3 and V4 that could cause this behaviour? Am I interpreting this correctly?
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