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Show new changes starting from 15:23, 9 March 2026
   
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5 March 2026

N    16:15  Re-INVITE UDP fragmentation‎‎ 6 changes history +2,984 [Admin‎ (6×)]
     
16:15 (cur | prev) −2 Admin talk contribs
     
16:14 (cur | prev) +66 Admin talk contribs
     
16:11 (cur | prev) +50 Admin talk contribs
     
16:05 (cur | prev) +5 Admin talk contribs
     
16:05 (cur | prev) +97 Admin talk contribs
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15:56 (cur | prev) +2,768 Admin talk contribs Created page with "'''Problem'''<br> The client sends SIP re-INVITEs over UDP that exceed the standard MTU (e.g. 1529 bytes > 1500 bytes). The re-INVITE is fragmented at the IP layer. On your side, re-INVITEs do not appear in traces; the client receives no response, and the call ends. Initial INVITE is within MTU and works; only the larger re-INVITE is affected. <br> '''Root cause'''<br> Fragmented UDP packets are dropped by your NAT/firewall (or possibly by the server interface). Only..."