Hi Team: Have you all seen issues with hairpin calls from PSTN? ITSP (Broadsoft/ACME)? SIP Trunk ? which in turn forwards the call back out the SIP trunk to the PSTN and there is no Audio in either direction (Transfer via Auto-attendant OR Blind ? Attended Xfer works as Media is anchored/reinitiated on PBX) Having worked on a few PBXs (Allworx, Zultys) that cause this issue on ACME/Broadsoft Sip trunk setup ? we see RTP in both direction on our traces, but due to the pass through RTP nature of this call flow, the TTL get way down to 5-6 in some cases, and that is what I believe is the issue, and our upstream vendors like Level3, Bandwidth etc suggest the same. Other than implementing a RTP repeater of sorts, I don?t see an alternative. Ideas appreciated Thx Ujjval