2 Oct
2014
2 Oct
'14
9:53 a.m.
Hi Will,
It sounds like your kamailio.cfg is not looking up the user location
database before trying to relay the INVITE. There is a relevant section
in the kamailio-basic.cfg example configuration file:
request_route {
...
# user location service
route(LOCATION);
}
...
# USER location service
route[LOCATION] {
if (!lookup("location")) {
$var(rc) = $rc;
t_newtran();
switch ($var(rc)) {
case -1:
case -3:
send_reply("404", "Not Found");
exit;
case -2:
send_reply("405", "Method Not
Allowed");
exit;
}
}
# when routing via usrloc, log the missed calls also
if (is_method("INVITE")) {
setflag(FLT_ACCMISSED);
}
route(RELAY);
exit;
}
The logic is that if the call is for a local registered user whose
location is available in the "kamctl ul" then request_route() should
pass the request to the route(LOCATION) routine. The function call
lookup("location") then does the magic if matching the address of record
([subscriber_name]@[our_domain_name]) and returning the $ruri of the
registered phone ([realid]@[realip]). route(RELAY) is then able to send
the call on to the phone's actual IP address.
Hope that helps.
Paul Smith
On 02/10/14 03:33, Will Ferrer wrote:
Hi
I was wondering if any one had any advice or examples for me of how to
get a call to be routed to a subscribed softphone.
We have 2 boxes in our testing deployment, a load balancer / sbc and a
call processing box.
Calls come in to the sbc, and then are passed to the call processing
box. The call is analyzed and the branch uri is rewritten to a
destination address when applicable for the call (this is how we
handle routing of calls to certain numbers -- we do this utilizing
custom code and a custom db).
This works just fine when the destination sip uri is phone number (in
which case we do lcr) or if the destination goes to a remote address.
However when the destination is a subscriber:
sip:[subscriber_name]@[our_domain_name], the call is passed back to
the sbc, which passes it to the callprocessing box, back and forth
until a too many hops error occurs.
The subscriber I am trying to send the call too does show up under
"kamctl ul show".
I feel like there is something basic I must be missing here.
Does any one have any advice for me?
Thank you very much in advance.
All the best.
Will Ferrer
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