[SR-Users] Active calls limit

[Ivan Dudko]

Hello!

I am trying to implement limit of active calls for subscribers. And for
each subscriber this limit must be personal.

I find example route in presentation of Daniel-Constantin Mierla.
And i need to set $xavp(caller=>active_calls) = 1;
for each dialog. But i can't understand how to load this number of active
calls from some-thing similar of user profile or subscriber table?

route[DIALOG] {

    if (is_method("CANCEL") || (has_totag() &&
is_method("INVITE|BYE|ACK"))) {
        dlg_manage();
        return;
    }

    if (is_method("INVITE") && !has_totag() &&
!isflagset(WITH_ACTIVE_CALLS_LIMIT)) {
        if( $xavp(caller[0]=>active_calls) != $null &&
$xavp(caller[0]=>active_calls) > 0 ) {
            if(!get_profile_size("caller", "$fU@$fd", "$var(acsize)")) {
                send_reply("500", "No more active calls");
                exit;
            }
            if($var(acsize)>=$xavp(caller[0]=>active_calls)) {
                send_reply("403", "No more active calls");
                exit;
            }
            set_dlg_profile("caller", "$fU@$fd");
        }
        setflag(WITH_ACTIVE_CALLS_LIMIT);
        dlg_manage();
    }
}
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