[OpenSER-Users] Does t_realy chooseTCP/UDP protocol if it's necessary?

[Juha Heinanen]

Iñaki Baz Castillo writes:

 > Maybe OpenSer tries first with TCP (since the incoming INVITE uses
 > TCP) and if it can't establish a connection then it tries UDP? Is it
 > RFC 3261 mandatory?

inaki,

how to select ip/port/transport of next hop is described in 

J. Rosenberg and H. Schulzrinne, ÈSession initiation protocol (SIP):
locating SIP servers,É RFC 3263, Internet Engineering Task Force, June
2002.

-- juha