17 Jan
2020
17 Jan
'20
1:31 a.m.
Try doing this in a failure_route[]; onreply_route[] isn't really meant
to transform replies, just to passively observe or drop them.
Also, you'll want to use append_to_reply():
https://kamailio.org/docs/modules/5.3.x/modules/textops.html#textops.f.appe…
Note that the conditions that give rise to the invocation of a
failure_route are broader and somewhat more abstract than any given SIP
reply -- e.g. transaction reply timeouts. So, you would want to
structure your failure_route like this:
failure_route[REDIRECT_HANDLE] {
if(t_is_canceled())
exit;
if(t_branch_timeout()) {
# Handle the timeout case...
exit;
}
# Use $T_rpl to access reply code ($rs) and reply reason if needed
# ($rs), per:
#
# https://www.kamailio.org/wiki/cookbooks/5.3.x/pseudovariables#t_rpl_pv
if($T_rpl($rs) == 486) {
append_to_reply("Contact: <sip:...>\r\n");
t_reply("302", "Moved Temporarily");
exit;
}
# Some other case.
}
-- Alex
On Thu, Jan 16, 2020 at 03:54:54PM -0500, Jim Leahy wrote:
Hi All,
I'm having some issues trying to properly send a '302 Moved Temporarily'
reply to the calling UAC (UAC1) when the remote UAC (UAC2) returns a 486
status (Do Not Disturb). The goal is to redirect UAC1 to a voicemail server
when UAC2 is in DND.
Here are the pertinent parts of my config:
route {
# drop some things right away
route(DROP);
# perform sanity check
route(SANITYCHECK);
# handle registrations
if(is_method("REGISTER")) {
route(REGISTRATION);
exit;
}
# handle invites
if(is_method("INVITE")) {
route("INVITE");
exit;
}
route(RELAY);
}
route[INVITE] {
# add this proxy to the record-route so it stays in the loop
record_route();
# if we can find this user in the location DB...
if(lookup("location")) {
# relay the invite to the new dURI
t_on_failure("FOURDIGITFAIL");
t_on_reply("FOURDIGITREPLY");
route(RELAY);
# go back to the main route
return;
}
onreply_route[FOURDIGITREPLY] {
if(t_check_status("4[0-9]{2}")) {
t_reply("302", "Moved Temporarily");
}
}
I'm having issues with the t_reply in the onreply_route. It successfully
sends the reply, but I can't seem to set the Contact header properly. I'm
trying to set it to the location of the user's mailbox on the voicemail
sever (ie sip:1000@vmpbx.domain.com), but nothing I try works. I've tried:
remove_hf("Contact");
insert_hf("Contact: sip:1000@vmpbx.domain.com");
t_reply("302", "Moved Temporarily");
But as I understand it, that just changes the header in the reply from
UAC2, not the reply I'm sending to UAC1
Then I tried:
append_to_reply("Contact: sip:1000@vmpbx.domain.com" );
t_reply("302", "Moved Temporarily");
But I can't use append_to_reply in an onreply block.
How can I change the Contact header in the reply that's sent? Am I just
going about this the wrong way? Any help would be appreciated. Thanks
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