[Users] t_relay does not follow RFC3263 "Locating SIP Servers"

Franz Edler franz.edler at ycn.com
Sat Sep 3 21:30:56 CEST 2005

Thank you all for you help,

> I cannot see from the code if there is used NAPTR, actually the function
> for parsing such a RR is present but such a lookup is not performed.

Meanwhile I verified in my tests that t_relay only does an SRV lookup
towards _sip._udp.<domain> and no NAPTR lookup as I expected. 
That means if I want to use TCP between two SIP servers I have to use
t_relay_to_tcp(ip, port) explicitly in my configuration file and cannot use
DNS data to control transport protocol selection.


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