> The RFC 3261 tries to enforce "congestion safe" transport for SIP. A > request larger than 1300 bytes should be sent over TCP instead of UDP > in order to avoid fragmentation. (If the TCP connection establishment > fails, the stack should try to use UDP.) > > The limit triggering switchover to TCP can be increased with > NTATAG_UDP_MTU(), given to nta_agent_create()/nta_agent_set_params(). > The maximum value is 65507 (maximum length for the UDP payload, 65535 > minus 28 bytes for UDP/IP headers).
Thanks for that explanation. I don't think that this is what happened. The request was quite small. However, I found a solution in using the "transport=udp" parameter at NTA agent initialization time, in the 'contact_url' argument of nta_agent_create(). Regards Stefan ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Sofia-sip-devel mailing list Sofia-sip-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/sofia-sip-devel