Hi Leo,
Actually 477 is transport error. The failure route is triggered only when
there is a SIP failure.
So if you want to handle the 477 send failed situation, Just use "0x02" flag
with t_relay().
Here is the sample script.
if (!t_relay("3"))
{
#0x02 option will make t_relay() to return failure to script instead
of sending the 477 out
#0x01 skips 100 trying message..
# So i am using 3, i.e 0x01 and 0x02..
# so now we can send call to voice mail etc,,
# If you want to remove the user from location table remove it now ,
So that we can get 477 for next requests.
if (!remove("location", "$ru"))
sl_reply_error();
else
xlog("L_INFO","AOR of $rU is Removed from DB");
if((is_method("INVITE")))
{
# send to voice mail or do what you want to do.
}
}
Cheers,
Venkatesh Macha,
VOIP Engineer.
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