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