Hi Anton,
by default, the module does auto restore of the FROM/TO hdr. The
restoring is done in the traffic flowing in the opposite direction than
the initial request. So, the uac_restore_xx() is NOT an uac_undo_xx() !
As I understand, you do serial forking and for you want to do different,
or not to do, uac_replaces for each branch. If this is the case, you
need to do the uac_replace_xx() in the branch_route - by doing this, the
change will impact only that branch, without any effect on the other
branches.
branch_route[change_from]
{
if ($avp(furi)!=NULL)
uac_replace_from("$avp(furi)");
}
route {
$avp(furi) = "...";
t_on_branch("change_from");
t_on_failure("missed_call");
}
failure_route[missed_call]
{
$ru = "..";
$avp(furi) = "..."; # if you want a different FROM URI
$avp(furi) = NULL; # if you want to keep the original URI
....
}
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
https://www.opensips-solutions.com
OpenSIPS Summit, Amsterdam, May 2020
https://www.opensips.org/events/Summit-2020Amsterdam/
OpenSIPS Bootcamp, Miami, March 2020
https://opensips.org/training/OpenSIPS_Bootcamp_2020/
On 2/4/20 3:39 PM, Антон Ершов wrote:
Hello friends
Help me to understand. In request_route i make replace from and to
fields.
After an unsuccessful attempt to invite, I try to direct the call to
another place and again I need to replace the from and to fields. But
instead of replacing, new values are simply added
route {
...
route(rewrite_header);
...
}
failure_route[missed_call] {
setflag(need_uac_restore);
...
route(rewrite_header);
}
route[rewrite_header] {
if (isflagset(need_uac_restore)) {
xlog("L_INFO", "[ $ci ] - restore from and to fields\n");
uac_restore_from();
uac_restore_to();
}
uac_replace_from("","sip:$avp(fromuser)@$avp(fromdomain)");
uac_replace_to("","sip:$avp(touser)@$avp(todomain)");
}
in the end I get such fields
From: <sip:2220222@10.10.10.10
<mailto:sip%3A2220222@10.10.10.10>><sip:5274...@sipofon.loc>;tag=fe654d87-7565-408f-9925-98a5bac99e1c
To: <sip:3865071@10.10.10.10
<mailto:sip%3A3865071@10.10.10.10>><sip:3865...@sipofon.loc>
it simply appends the new value to the old and does not replace it
changing replace modes in uac module does not change behavior
in debug log i see this
DBG:uac:replace_uri: uri to replace [<sip:2220222@10.23.100.40
<mailto:sip%3A2220222@10.23.100.40>>], replacement is
[<sip:79385274...@multifon.ru <mailto:sip%3a79385274...@multifon.ru>>]
DBG:dialog:new_dlg_val: inserting <739823>=<<sip:5274...@sipofon.loc>>
DBG:dialog:store_dlg_value_unsafe: var found->
<<sip:2220222@10.10.10.10 <mailto:sip%3A2220222@10.10.10.10>>>!
DBG:uac:replace_uri: uri to replace [<sip:3865071@10.100.100.100
<mailto:sip%3A3865071@10.100.100.100>>], replacement is
[<sip:3865...@sipofon.loc>]
DBG:dialog:new_dlg_val: inserting <739824>=<<sip:3865...@sipofon.loc>>
DBG:dialog:store_dlg_value_unsafe: var found->
<<sip:3865071@10.10.10.10 <mailto:sip%3A3865071@10.10.10.10>>>!
10.23.100.40 - call initiator
10.10.10.10 - where should the call go first
10.100.100.100 - opensips
sipofon.loc - where should the call go after failure_route has worked
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