Hi Everyone, I am really stuck here. I really need help! I receive the following ACK request in SER from a Linksys/PAP user agent that SER should forward to the destination User Agent: 2010000002. ACK sip:2010000002@10.1.10.65:5060 SIP/2.0 Via: SIP/2.0/UDP 172.16.15.51:5060;branch=z9hG4bK-5fb5b16;rport From: 2224440133 <sip:2224440133@host.domain.com>;tag=692c5bafde7b5655o0 To: <sip:2224449999@host.domain.com>;tag=3b968d2d Call-ID: c813c237-8673e16d(a)172.16.15.51 CSeq: 101 ACK Max-Forwards: 70 Route: <sip:10.1.10.65;ftag=692c5bafde7b5655o0;lr>, <sip:10.1.10.65;ftag=692c5bafde7b5655o0;lr> Contact: 2224440133 <sip:2224440133@172.16.15.51:5060> User-Agent: Linksys/PAP2-3.1.5(LS) Content-Length: 0 But SER’s loose_route incorrectly modifies this ACK as follows: ACK sip:10.1.10.65;ftag=692c5bafde7b5655o0;lr SIP/2.0 Record-Route: <sip:10.1.10.65;ftag=692c5bafde7b5655o0;lr=on> Via: SIP/2.0/UDP 10.1.10.65;branch=0 Via: SIP/2.0/UDP 172.16.15.51:5060;branch=z9hG4bK-5fb5b16;rport=5060 From: 2224440133 <sip:2224440133@host.domain.com>;tag=692c5bafde7b5655o0 To: <sip:2224449999@host.domain.com>;tag=3b968d2d Call-ID: c813c237-8673e16d(a)172.16.15.51 CSeq: 101 ACK Max-Forwards: 16 Route: Contact: 2224440133 <sip:2224440133@172.16.15.51:5060> User-Agent: Linksys/PAP2-3.1.5(LS) Content-Length: 0 Which causes the ACK to keep looping through SER: ACK sip:10.1.10.65;ftag=692c5bafde7b5655o0;lr SIP/2.0 Record-Route: <sip:10.1.10.65;ftag=692c5bafde7b5655o0;lr=on> Record-Route: <sip:10.1.10.65;ftag=692c5bafde7b5655o0;lr=on> Via: SIP/2.0/UDP 10.1.10.65;branch=0 Via: SIP/2.0/UDP 10.1.10.65;branch=0 Via: SIP/2.0/UDP 172.16.15.51:5060;branch=z9hG4bK-5fb5b16;rport=5060 From: 2224440133 <sip:2224440133@host.domain.com>;tag=692c5bafde7b5655o0 To: <sip:2224449999@host.domain.com>;tag=3b968d2d Call-ID: c813c237-8673e16d(a)172.16.15.51 CSeq: 101 ACK Max-Forwards: 15 Route: Contact: 2224440133 <sip:2224440133@172.16.15.51:5060> User-Agent: Linksys/PAP2-3.1.5(LS) Content-Length: 0 ACK sip:10.1.10.65;ftag=692c5bafde7b5655o0;lr SIP/2.0 Record-Route: <sip:10.1.10.65;ftag=692c5bafde7b5655o0;lr=on> Record-Route: <sip:10.1.10.65;ftag=692c5bafde7b5655o0;lr=on> Record-Route: <sip:10.1.10.65;ftag=692c5bafde7b5655o0;lr=on> Via: SIP/2.0/UDP 10.1.10.65;branch=0 Via: SIP/2.0/UDP 10.1.10.65;branch=0 Via: SIP/2.0/UDP 10.1.10.65;branch=0 Via: SIP/2.0/UDP 172.16.15.51:5060;branch=z9hG4bK-5fb5b16;rport=5060 From: 2224440133 <sip:2224440133@host.domain.com>;tag=692c5bafde7b5655o0 To: <sip:2224449999@host.domain.com>;tag=3b968d2d Call-ID: c813c237-8673e16d(a)172.16.15.51 CSeq: 101 ACK Max-Forwards: 14 Route: Contact: 2224440133 <sip:2224440133@172.16.15.51:5060> User-Agent: Linksys/PAP2-3.1.5(LS) Content-Length: 0 I am really stuck. Can anyone tell me what is happening?! Thanks ramin ------------------------------------------------------------------------ _______________________________________________ Serusers mailing list serusers(a)lists.iptel.org http://lists.iptel.org/mailman/listinfo/serusers