[Users] Openser generated strange SIP packets with LCR Fallback on a second gateway

gallois:/var/log# sudo /usr/bin/ngrep -W byline "" "port 5060" |more filter: (ip or ip6) and ( port 5060 ) # U phone:5060 -> openser:5060 INVITE sip:xxxxxxxx@sip1.e-qual.fr SIP/2.0. Call-ID: call-717C8C1D-CEDE-2910-0D00-26@phone. Contact: <sip:phone>. Content-Length: 221. Content-Type: application/sdp. CSeq: 1 INVITE. From: <sip:sip1.e-qual.fr>;tag=c0a80843-16. Max-Forwards: 70. Session-GUID: 875967334-858992696-842282596-875782963. Supported: 100rel. To: <sip:xxxxxxxx@sip1.e-qual.fr>. User-Agent: Quintum/1.0.0. Via: SIP/2.0/UDP phone;branch=z9hG4bK-tenor-c0a8-0843-001c. Quintum: 0c01030b0237370501001301000f0b413031322d323032334332. . v=0. o=Quintum 17 17 IN IP4 phone. s=VoipCall. c=IN IP4 phone. t=0 0. m=audio 10274 RTP/AVP 4 101. c=IN IP4 phone. a=rtpmap:4 g723/8000/1. a=ptime:30. a=rtpmap:101 telephone-event/8000/1. a=sendrecv. # U openser:5060 -> phone:5060 SIP/2.0 100 Giving a try. Call-ID: call-717C8C1D-CEDE-2910-0D00-26@phone. CSeq: 1 INVITE. From: <sip:sip1.e-qual.fr>;tag=c0a80843-16. To: <sip:xxxxxxxx@sip1.e-qual.fr>. Via: SIP/2.0/UDP phone;branch=z9hG4bK-tenor-c0a8-0843-001c. Server: OpenSER (1.2.0-notls (i386/linux)). Content-Length: 0. . # U openser:5060 -> gateway1:5060 INVITE sip:xxxxxxxxx@gateway1:5060;transport=udp SIP/2.0. Record-Route: <sip:openser;lr=on;ftag=c0a80843-16>. Call-ID: call-717C8C1D-CEDE-2910-0D00-26@phone. Contact: <sip:phone>. Content-Length: 221. Content-Type: application/sdp. CSeq: 1 INVITE. From: <sip:sip1.e-qual.fr>;tag=c0a80843-16. Max-Forwards: 69. Session-GUID: 875967334-858992696-842282596-875782963. Supported: 100rel. To: <sip:xxxxxxxx@sip1.e-qual.fr>. User-Agent: Quintum/1.0.0. Via: SIP/2.0/UDP openser;branch=z9hG4bKe7a2.b7f82867.0. Via: SIP/2.0/UDP phone;branch=z9hG4bK-tenor-c0a8-0843-001c. Quintum: 0c01030b0237370501001301000f0b413031322d323032334332. P-hint: outbound PSTN. . v=0. o=Quintum 17 17 IN IP4 phone. s=VoipCall. c=IN IP4 phone. t=0 0. m=audio 10274 RTP/AVP 4 101. c=IN IP4 phone. a=rtpmap:4 g723/8000/1. a=ptime:30. a=rtpmap:101 telephone-event/8000/1. a=sendrecv. # U gateway1:5060 -> openser:5060 SIP/2.0 488 Not acceptable here. Via: SIP/2.0/UDP openser;branch=z9hG4bKe7a2.b7f82867.0;received=openser. Via: SIP/2.0/UDP phone;branch=z9hG4bK-tenor-c0a8-0843-001c. From: <sip:sip1.e-qual.fr>;tag=c0a80843-16. To: <sip:xxxxxxxx@sip1.e-qual.fr>;tag=as714f5f56. Call-ID: call-717C8C1D-CEDE-2910-0D00-26@phone. CSeq: 1 INVITE. User-Agent: Asterisk PBX. Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY. Contact: <sip:xxxxxxxxx@gateway1>. Content-Length: 0. . # U openser:5060 -> gateway1:5060 ACK sip:xxxxxxxxx@gateway1:5060;transport=udp SIP/2.0. Via: SIP/2.0/UDP openser;branch=z9hG4bKe7a2.b7f82867.0. From: <sip:sip1.e-qual.fr>;tag=c0a80843-16. Call-ID: call-717C8C1D-CEDE-2910-0D00-26@phone. To: <sip:xxxxxxxx@sip1.e-qual.fr>;tag=as714f5f56. CSeq: 1 ACK. User-Agent: OpenSER (1.2.0-notls (i386/linux)). Content-Length: 0. . # U openser:5060 -> gateway2:5060 INVITE sip:xxxxxxxx@gateway2:5060;transport=udp..t SIP/2.0. Record-Route: <sip:openser;lr=on;ftag=c0a80843-16>. Call-ID: call-717C8C1D-CEDE-2910-0D00-26@phone. Contact: <sip:phone>. Content-Length: 221. Content-Type: application/sdp. CSeq: 1 INVITE. From: <sip:sip1.e-qual.fr>;tag=c0a80843-16. Max-Forwards: 69. Session-GUID: 875967334-858992696-842282596-875782963. Supported: 100rel. To: <sip:xxxxxxxx@sip1.e-qual.fr>. User-Agent: Quintum/1.0.0. Via: SIP/2.0/UDP openser;branch=z9hG4bKe7a2.b7f82867.1. Via: SIP/2.0/UDP phone;branch=z9hG4bK-tenor-c0a8-0843-001c. Quintum: 0c01030b0237370501001301000f0b413031322d323032334332. P-hint: outbound PSTN. . v=0. o=Quintum 17 17 IN IP4 phone. s=VoipCall. c=IN IP4 phone. t=0 0. m=audio 10274 RTP/AVP 4 101. c=IN IP4 phone. a=rtpmap:4 g723/8000/1. a=ptime:30. a=rtpmap:101 telephone-event/8000/1. a=sendrecv. # U openser:5060 -> gateway2:5060 INVITE sip:xxxxxxxx@gateway2:5060;transport=udp..t SIP/2.0. Record-Route: <sip:openser;lr=on;ftag=c0a80843-16>. Call-ID: call-717C8C1D-CEDE-2910-0D00-26@phone. Contact: <sip:phone>. Content-Length: 221. Content-Type: application/sdp. CSeq: 1 INVITE. From: <sip:sip1.e-qual.fr>;tag=c0a80843-16. Max-Forwards: 69. Session-GUID: 875967334-858992696-842282596-875782963. Supported: 100rel. To: <sip:xxxxxxxx@sip1.e-qual.fr>. User-Agent: Quintum/1.0.0. Via: SIP/2.0/UDP openser;branch=z9hG4bKe7a2.b7f82867.1. Via: SIP/2.0/UDP phone;branch=z9hG4bK-tenor-c0a8-0843-001c. Quintum: 0c01030b0237370501001301000f0b413031322d323032334332. P-hint: outbound PSTN. . v=0. o=Quintum 17 17 IN IP4 phone. s=VoipCall. c=IN IP4 phone. t=0 0. m=audio 10274 RTP/AVP 4 101. c=IN IP4 phone. a=rtpmap:4 g723/8000/1. a=ptime:30. a=rtpmap:101 telephone-event/8000/1. a=sendrecv. # U openser:5060 -> gateway2:5060 INVITE sip:xxxxxxxx@gateway2:5060;transport=udp..t SIP/2.0. Record-Route: <sip:openser;lr=on;ftag=c0a80843-16>. Call-ID: call-717C8C1D-CEDE-2910-0D00-26@phone. Contact: <sip:phone>. Content-Length: 221. Content-Type: application/sdp. CSeq: 1 INVITE. From: <sip:sip1.e-qual.fr>;tag=c0a80843-16. Max-Forwards: 69. Session-GUID: 875967334-858992696-842282596-875782963. Supported: 100rel. To: <sip:xxxxxxxx@sip1.e-qual.fr>. User-Agent: Quintum/1.0.0. Via: SIP/2.0/UDP openser;branch=z9hG4bKe7a2.b7f82867.1. Via: SIP/2.0/UDP phone;branch=z9hG4bK-tenor-c0a8-0843-001c. Quintum: 0c01030b0237370501001301000f0b413031322d323032334332. P-hint: outbound PSTN. . v=0. o=Quintum 17 17 IN IP4 phone. s=VoipCall. c=IN IP4 phone. t=0 0. m=audio 10274 RTP/AVP 4 101. c=IN IP4 phone. a=rtpmap:4 g723/8000/1. a=ptime:30. a=rtpmap:101 telephone-event/8000/1. a=sendrecv. # U openser:5060 -> gateway2:5060 INVITE sip:xxxxxxxx@gateway2:5060;transport=udp..t SIP/2.0. Record-Route: <sip:openser;lr=on;ftag=c0a80843-16>. Call-ID: call-717C8C1D-CEDE-2910-0D00-26@phone. Contact: <sip:phone>. Content-Length: 221. Content-Type: application/sdp. CSeq: 1 INVITE. From: <sip:sip1.e-qual.fr>;tag=c0a80843-16. Max-Forwards: 69. Session-GUID: 875967334-858992696-842282596-875782963. Supported: 100rel. To: <sip:xxxxxxxx@sip1.e-qual.fr>. User-Agent: Quintum/1.0.0. Via: SIP/2.0/UDP openser;branch=z9hG4bKe7a2.b7f82867.1. Via: SIP/2.0/UDP phone;branch=z9hG4bK-tenor-c0a8-0843-001c. Quintum: 0c01030b0237370501001301000f0b413031322d323032334332. P-hint: outbound PSTN. . v=0. o=Quintum 17 17 IN IP4 phone. s=VoipCall. c=IN IP4 phone. t=0 0. m=audio 10274 RTP/AVP 4 101. c=IN IP4 phone. a=rtpmap:4 g723/8000/1. a=ptime:30. a=rtpmap:101 telephone-event/8000/1. a=sendrecv.