search for: 1057817983_43059159

...'s IP address. This causes the negotiation to revert back to t38state zero (chan_sip.c: T38_DISABLED), and shortly after the ATA hangs up. What is a bit odd about this, is that Asterisk says it's about to establish a peer to peer UDPTL connection : chan_sip.c: Sending reinvite on SIP '1057817983_43059159 at xxx.xxx.xxx.xxx' - It's UDPTL soon redirected to IP yyy.yyy.yyy.yyy:16468 chan_sip.c: Strict routing enforced for session 1057817983_43059159 at xxx.xxx.xxx.xxx On a known good/working T.38 configured Asterisk PBX elsewhere (with Affinity as the ITSP), I also see the "Strict routi...