Originating invite towards carrier. Yes, the contact includes the transport=tls.
INVITE sip:933@CARRIER_PUB_IP:5061;transport=tls SIP/2.0 Record-Route: sip:KAM_PUB_IP:5061;transport=tls;lr;ftag=09c1cZr21c5HF;did=dbd.79d;nat=yes Via: SIP/2.0/TLS KAM_PUB_IP:5061;branch=z9hG4bK317b.e2cd4e0e036cc3a13f6bb1a86e1db84e.0;i=f1 Via: SIP/2.0/TLS FS_PUB_IP:5061;received=FS_PUB_IP;rport=39577;branch=z9hG4bKF0jKaBSBpQtXF Max-Forwards: 69 From: "2029200292" sip:2029200292@KAM_PUB_IP;tag=09c1cZr21c5HF To: sip:933@CARRIER_PUB_IP:5061;transport=tls Call-ID: 8460387e-a536-123d-1984-4201c0a80193 CSeq: 84646169 INVITE Contact: sip:mod_sofia@FS_PUB_IP:5061;transport=tls;alias=FS_PUB_IP~39577~3 User-Agent: FreeSWITCH-mod_sofia/1.10.7-release-19-883d2cb662~64bit Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY Supported: timer, path, replaces Allow-Events: talk, hold, conference, refer Privacy: none Content-Type: application/sdp Content-Disposition: session Content-Length: 753 X-FS-Support: update_display,send_info P-Asserted-Identity: "2029200292" sip:2029200292@KAM_PUB_IP P-Hint: outbound
v=0 o=FreeSWITCH 1718380362 1718380363 IN IP4 KAM_PUB_IP s=FreeSWITCH c=IN IP4 KAM_PUB_IP t=0 0 a=rtpengine:94805c0d8314 m=audio 11080 RTP/SAVP 0 101 a=rtpmap:0 PCMU/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-15 a=sendrecv a=rtcp:11081 a=rtcp-mux a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:9Qjov4TJ7gCTZ1QXBcvg5zwRmNE5d1A6OEfmY7Lz a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:ue9JN4KAuPD9xsJwC1HzQflx67IY8+dOpnYszoyJ a=crypto:3 F8_128_HMAC_SHA1_80 inline:04FfXKIKe9NlS6JaQjiCqEGGs7pJs7yPINkwxU+p a=crypto:4 F8_128_HMAC_SHA1_32 inline:RJJdhXJ7iP+l7ssqqbWxZmZN3kU09VDZe9Vp+0dt a=setup:actpass a=fingerprint:sha-256 E6:F5:49:C1:2A:33:E2:F5:22:7E:7D:E0:EA:3D:77:0C:45:50:B8:8F:20:4D:C4:BA:8F:5F:3D:57:F5:94:B4:8F a=ptime:20