<--- SIP read from 192.168.1.150:5060 ---> INVITE sip:17014441234@192.168.1.151 SIP/2.0 Via: SIP/2.0/UDP 192.168.1.220;branch=z9hG4bK9a623dfa7 Content-Length: 338 To: sip:17014441234@192.168.1.151;tag=as4f8af350 From: sip:fax1@192.168.1.151;tag=5d4b7e046cd7f4a Call-ID: c1598ffc6316ecccd17fefd0b2d3cb3d@192.168.1.151 CSeq: 320806745 INVITE Supported: timer Min-SE: 1800 Session-Expires: 3600 Allow: INVITE, ACK, BYE, CANCEL, REFER, NOTIFY Content-Type: application/sdp Contact: sip:fax1@192.168.1.220 Authorization:Digest response="4f9104883b0c70dbd308219e3f0a29dd",username="fax1",realm="asterisk",nonce="3d71d1e2",algorithm=MD5,uri="sip:12182627220@192.168.1.151" Supported: replaces User-Agent: MxSipApp/5.0.15.86 MxSF/v3.2.1.1 v=0 o=MxSIP 1017201491106766564 647449904293828523 IN IP4 192.168.1.220 s=- c=IN IP4 192.168.1.220 t=0 0 a=sendrecv m=image 6005 udptl t38 a=T38MaxBitRate:14400 a=T38FaxRateManagement:transferredTCF a=T38FaxFillBitRemoval:0 a=T38FaxTranscodingMMR:0 a=T38FaxTranscodingJBIG:0 a=T38FaxVersion:0 a=T38FaxUdpEC:t38UDPRedundancy <-------------> --- (16 headers 14 lines) --- Sending to 192.168.1.150 : 5060 (NAT) [Oct 26 15:00:06] WARNING[14711]: chan_sip.c:4785 process_sdp: Unsupported SDP media type in offer: image 6005 udptl t38 debian*CLI>