[OpenSIPS-Users] how to implement call forward after 486 (busy) with 181 message

[Daniel Ribeiro]

Hello guys,

I'm trying to implement the call forward after a busy message following some
internet examples but without success.
How can I generate an 181 message after a error 486.
I'm trying with this cfg for failure_route.

failure_route[1] {
    if (t_was_cancelled()) {
        exit;
    }

    # uncomment the following lines if you want to block client
    # redirect based on 3xx replies.
    ##if (t_check_status("3[0-9][0-9]")) {
    ##t_reply("404","Not found");
    ##    exit;
    ##}

    # Redirect busy calls to another destination
    if (t_check_status("486")) {
        xlog("Redirect busy calls\n");
        xlog("before revert $ru\n");
        revert_uri();
        xlog("after revert $ru\n");
        #If there is an AVP called fwdbusy send to it
        if(avp_db_load("$ru","$avp(s:fwdbusy)")) {
            $ru = $avp(s:fwdbusy);
            xlog("forwarded to: $ru");
        }
        t_relay();
    }
}


The log output was:
Mar 19 13:34:49 danielribeiro /usr/local/sbin/opensips[26188]: new branch at
sip:11 at 192.168.1.2 <sip%3A11 at 192.168.1.2>
Mar 19 13:34:49 danielribeiro /usr/local/sbin/opensips[26188]: incoming
reply
Mar 19 13:34:49 danielribeiro /usr/local/sbin/opensips[26188]: onreply
invite
Mar 19 13:34:50 danielribeiro /usr/local/sbin/opensips[26188]: incoming
reply
Mar 19 13:34:50 danielribeiro /usr/local/sbin/opensips[26188]: onreply
invite
Mar 19 13:34:58 danielribeiro /usr/local/sbin/opensips[26188]: incoming
reply
Mar 19 13:34:58 danielribeiro /usr/local/sbin/opensips[26188]: onreply
invite
Mar 19 13:34:58 danielribeiro /usr/local/sbin/opensips[26188]: ACC:
transaction answered:
timestamp=1269016498;method=INVITE;from_tag=286496395;to_tag=192.168.1.2+1+1060000+dca82b99;call_id=
3F0187FE-C3FE-E6DF-A2F3-457DF8E17B14 at 192.168.1.200;code=200;reason=OK
Mar 19 13:34:58 danielribeiro /usr/local/sbin/opensips[26188]: ACC: request
acknowledged:
timestamp=1269016498;method=ACK;from_tag=286496395;to_tag=192.168.1.2+1+1060000+dca82b99;call_id=
3F0187FE-C3FE-E6DF-A2F3-457DF8E17B14 at 192.168.1.200;code=200;reason=OK
Mar 19 13:35:00 danielribeiro /usr/local/sbin/opensips[26188]: new branch at
sip:11 at 192.168.1.2 <sip%3A11 at 192.168.1.2>
Mar 19 13:35:00 danielribeiro /usr/local/sbin/opensips[26188]: incoming
reply
Mar 19 13:35:00 danielribeiro /usr/local/sbin/opensips[26188]: onreply
invite
Mar 19 13:35:00 danielribeiro /usr/local/sbin/opensips[26188]: incoming
reply
Mar 19 13:35:00 danielribeiro /usr/local/sbin/opensips[26188]: onreply
invite
Mar 19 13:35:00 danielribeiro /usr/local/sbin/opensips[26188]: incoming
reply error 486
Mar 19 13:35:00 danielribeiro /usr/local/sbin/opensips[26188]: ACC: call
missed:
timestamp=1269016500;method=INVITE;from_tag=c298fc07-e331-df11-91ee-002421899f1c;to_tag=192.168.1.2+1+1080000+b729333f;call_id=fc95fc07-e331-df11-91ee-002421899f1c at danielribeiro;code=486;reason=Busy
Here
Mar 19 13:35:00 danielribeiro /usr/local/sbin/opensips[26188]: Redirect busy
calls
Mar 19 13:35:00 danielribeiro /usr/local/sbin/opensips[26188]: before revert
sip:11 at 192.168.1.2 <sip%3A11 at 192.168.1.2>
Mar 19 13:35:00 danielribeiro /usr/local/sbin/opensips[26188]: after revert
sip:11 at 192.168.1.200 <sip%3A11 at 192.168.1.200>
Mar 19 13:35:00 danielribeiro /usr/local/sbin/opensips[26188]: forwarded to:
sip:13 at 192.168.1.200 <sip%3A13 at 192.168.1.200>
Mar 19 13:35:00 danielribeiro /usr/local/sbin/opensips[26188]: new branch at
sip:13 at 192.168.1.200 <sip%3A13 at 192.168.1.200>
Mar 19 13:35:00 danielribeiro /usr/local/sbin/opensips[26188]: new branch at
sip:13 at 192.168.1.2 <sip%3A13 at 192.168.1.2>
Mar 19 13:35:00 danielribeiro /usr/local/sbin/opensips[26188]: incoming
reply
Mar 19 13:35:00 danielribeiro /usr/local/sbin/opensips[26188]: onreply
invite
Mar 19 13:35:00 danielribeiro /usr/local/sbin/opensips[26188]: incoming
reply
Mar 19 13:35:00 danielribeiro /usr/local/sbin/opensips[26188]: onreply
invite
Mar 19 13:35:00 danielribeiro /usr/local/sbin/opensips[26188]: ACC: call
missed:
timestamp=1269016500;method=INVITE;from_tag=c298fc07-e331-df11-91ee-002421899f1c;to_tag=192.168.1.2+1+1080000+b729333f;call_id=fc95fc07-e331-df11-91ee-002421899f1c at xxxxxxx;code=482;reason=Loop
Detected
Mar 19 13:35:00 danielribeiro /usr/local/sbin/opensips[26188]: incoming
reply
Mar 19 13:35:00 danielribeiro /usr/local/sbin/opensips[26188]: onreply
invite


-- 
Daniel Ribeiro
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