Hi,
I think there is a bug in the tm module of he CVS tree:
timer.c line 283:
if (SEND_BUFFER( r_buf )<=0) {
SEND_BUFFER returns -1 on error, and 0 on success, so it should be
if (SEND_BUFFER( r_buf )==-1) {
SER always sends "503 Service Unavailable" respond after sending INVITE
retransmissions in our test environment. Modifying timer.c solved this problem.
I can attach my syslog or udp-log if necessary.
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Miklos Tirpak
Computer and Automation Research Institute e-mail : mtirpak(a)sztaki.hu
of the Hungarian Academy of Sciences phone : (361) 279-6011
H-1132. Budapest, Victor Hugo u 18-22 fax : (361) 279-6021