I'm trying to route failed calls to a voicemail URI. The failure route
couldn't be simpler:
failure_route[FAIL_ONE] {
if (t_is_canceled()) {
exit;
}
if( t_check_status("486|408") {
append_branch( "sip:foo@2.2.2.2");
t_relay();
}
}
But, it doesn't work. For example, let's say the initial INVITE
resolves to a local device "me@1.1.1.1". This works fine, and the
phone rings. After a timeout, the failure_route executes. The branch
"foo@2.2.2.2" gets appended, and kamailio sends a new INVITE, but
instead of determining the correct proxy for the new address, it sends
the INVITE, with the new URI, to the device that original received the
INVITE, "me@1.1.1.1". Obviously, this doesn't work.
I've been able to force kamailio to route the call correctly by
modifying failure_route[ to use t_relay_to_udp() as follows:
failure_route[FAIL_ONE] {
if (t_is_canceled()) {
exit;
}
if( t_check_status("486|408") {
append_branch( "sip:foo@2.2.2.2");
t_relay_to_udp( "2.2.2.2", "5060");
}
}
But, it seems like kamailio should figure what where to send the new
INVITE itself. What am I doing wrong?
--
Mark Sidell
Partner
Forte, Inc.
919-942-7068
fax 919-969-2844
www.forteinc.com
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