2/12/2024 0 Comments Zoiper sip 408 request timeout![]() use a firewall who is friendly with NAT and multiple gateways support (usually found in a session border controller) Prefer IPoA, MER, MPLS or native Ethernet xDSL links. do not use multiple gateways with NAT masquerading The solutions are (from easier to harder) : Does exhibit if you are sending SIP or IAX frames through the PPP connection during PPP disconnects). the gateway is a PPPoe connection (in this case sometimes Linux can forget to masquerade and you send a private IP to the world. ![]() if there is multiple gateways used for redundancy (connection tracking keep the old public IP when the gateway change) It does show up mainly when there is NAT masquerading. It was present with Linux 2.4 but is still here with Linux 2.6. ![]() It is related to the way connection tracking and maskerading does work. I reported it many years ago but it seems there is still no solution inside kernel 2.6. Reliably Transmitting (NAT) to .This problem is an old one in the Linux world. Responding to challenge, registration to domain/host name Nonce=“U+i7M1PougeCgRely8N7tFP+gw2uFtcX”, qop="auth" Reliably Transmitting (NAT) to .144:5060: NOTICE: chan_sip.c:15106 sip_reregister: – Re-registration for 11 headers, 0 lines NOTICE: chan_sip.c:23645 handle_response_peerpoke: Peer ‘user5’ is now Reachable. Reliably Transmitting (NAT) to .59:33869: ![]() Scheduling destruction of SIP dialog ‘ZjlmYWQ4ZjE0YmRlZWE4MTBhNDg1MmE2ZjhkMjdlMWY.’ in 32000 ms (Method: REGISTER) WWW-Authenticate: Digest algorithm=MD5, realm=“asterisk”, nonce="13cfb76b" Supported: replaces, norefersub, extended-refer, timer, X-cisco-serviceuri REGISTER sip:AA.AAA.AAA.201 transport=UDP SIP/2.0 Really destroying SIP dialog Method: OPTIONS Scheduling destruction of SIP dialog in 32000 ms (Method: OPTIONS) Looking for s in default (domain AA.AAA.AAA.201)
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