Hi Guys,
I'm new on Kamailio and this list, so be patient with me :)
I've built an almost "complete" working SIP server on Ubuntu 14.04 LTS.
I told almost complete because my problem is with carrierroute module because
I'm not understanding the routing file and where I should put the code to use
function cr_route
I would like to allow SIP calls/video between users for free and send calls to
different external Gateways / Switches, etc based on the dialled destination.
In particular, I can send outbound calls a prepaid platform that will allow to
bill calls based on CLI validation, but in all my tests, it seems that calls
are going out always to the IP address of the remote gateway found into the
carrierroute table ignoring the SIP user I'm calling.....what is the correct
routing?
I'm finding some docs around there, but some refer to very old versions of
Kamailio and some others are not clear to me.
What's wrong with my routing logic?
Thank you so much!
Max
route {
# per request initial checks
route(REQINIT);
# NAT detection
route(NAT);
# handle requests within SIP dialogs
route(WITHINDLG);
### only initial requests (no To tag)
# CANCEL processing
if (is_method("CANCEL"))
{
if (t_check_trans())
t_relay();
exit;
}
t_check_trans();
# authentication
route(AUTH);
# record routing for dialog forming requests (in case they are routed)
# - remove preloaded route headers
remove_hf("Route");
if (is_method("INVITE|SUBSCRIBE"))
record_route();
# account only INVITEs
if (is_method("INVITE"))
{
setflag(FLT_ACC); # do accounting
}
# dispatch requests to foreign domains
route(SIPOUT);
### requests for my local domains
# handle presence related requests
route(PRESENCE);
# handle registrations
route(REGISTRAR);
if ($rU==$null)
{
# request with no Username in RURI
sl_send_reply("484","Address Incomplete");
exit;
}
# dispatch destinations to PSTN
#route(PSTN);
# CARRIERROUTE MODULE routing logic
# check table for carrier default and domain default
if(!cr_route("default", "default", "$rU", "$rU", "call_id")){
sl_send_reply("403", "Not allowed");
} else {
# In case of failure, re-route the request
t_on_failure("1");
# Relay the request to the gateway
t_relay();
}
# user location service
route(LOCATION);
route(RELAY);
}
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