So the patch did resolve the audio RTP issue and I can make echo calls now, but it seems like the last issue I posted to the list, (pjsip driver making new outbound TLS transports instead of using existing SIP connection, not NAT friendly) is happening again .. Could that be? Thanks again, Kevin Long -------------- next part -------------- A non-text attachment was scrubbed... Name: smime.p7s Type: application/pkcs7-signature Size: 3587 bytes Desc: not available URL: <http://lists.digium.com/pipermail/asterisk-users/attachments/20160304/de618983/attachment.bin>