Hi all,
I'm trying to make a blind call forward to "1002" if a UA calls "1" into
Kamailio. At the moment I have the following config:
if ( $rU=~"^[1]$" && src_ip==$sel(cfg_get.pstn.gw_ip) ) {
sl_send_reply("181", "Redirecting");
$ru = "sip:1002@" + $sel(cfg_get.pstn.gw_ip) +
":" + $sel(cfg_get.pstn.gw_port) + ";user=phone";
force_send_socket(udp:MY_EXTERN_IP:5060);
route(NORMAL_RELAY); #Just
t_on_branch/reply/failure
if (!t_relay()) {
sl_reply_error();
}
exit;
}
The calling UA is from the PSTN as well as the called UA. Problem right now is
that the PSTN's anti-Loop protection jumps in and rejects the INVITE to 1002.
Question: Is it possible to tell the calling UA "Hey wait, 181..." with
Kamailio, then build seperately an independent Call Leg (with new CallID?) from
Kamailio to UA "1002" and finally to put them together?
Any help is very much appreciated even if they are just guides/examples. I'm
using Kamailio 4.3.5 on CentOS 7.2.
Very Respectfully
Dimitry Nagorny
Trainee
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