Calling into 10.5.0-rc2 from a pstn did provider, I get no audio: -- Executing [111 at from-teliax:1] Dial("SIP/teliax-00000010", "SIP/office2/+1<number>") in new stack == Using SIP RTP TOS bits 184 == Using SIP RTP CoS mark 5 -- Called SIP/office2/+1<number> -- SIP/office2-00000011 answered SIP/teliax-00000010 -- Locally bridging SIP/teliax-00000010 and SIP/office2-00000011 But if I call in over sip from outside with the same number and channel all works fine: -- Executing [111 at from_11hidden:1] Dial("SIP/office_incoming-00000012", "SIP/office2/+1<same_number>") in new stack == Using SIP RTP TOS bits 184 == Using SIP RTP CoS mark 5 -- Called SIP/office2/+1<same_number> -- SIP/office2-00000013 answered SIP/office_incoming-00000012 -- Remotely bridging SIP/office_incoming-00000012 and SIP/teliax2-00000013 The only difference I can see is Locally vs. Remotely bridging. sip.conf nat=yes directmedia=nonat Any suggestions appreciated. sean