[OpenSIPS-Users] reason headers

[Jan D.]

Hi Saúl / Vlad,

I think your totaly right. I had a look at all Cancels in my sip traces and
even Cancels coming in without a Reason header are coming out with a Reason
header.

So my question should be:
- can I disable the output of Reason headers /
- a feature request for disableling the output of Reason headers in a Cancel
request.

I also tried to put the remove_hf in a local route, but the local_route did
not give any output with debug 3:

local_route
{
        xlog("L_INFO", "********** ROUTE local_route ********** $rm $si\n");
        append_hf("P-hint: Local_Route\r\n");

        if(is_present_hf("Reason"))
        {
                xlog("L_INFO", " INFO : ***BEFORE*** delete Reason
header\n");
                remove_hf("Reason");
                xlog("L_INFO", " INFO : ***AFTER*** delete Reason
header\n");
        }
}

So summing up to be clear (I hope):

Our Cisco (S7 - ) sents a Cancel request to opensips:
    Session Initiation Protocol
    Request-Line: CANCEL sip:31201234567 at sip.client.nl:5060 SIP/2.0
    Message Header
        From: <sip:0622334455 at sip.provider.nl>;tag=6CA89598-AD9
        To: <sip:31201234567 at sip.client.nl>
        Date: Fri, 16 Dec 2011 19:27:16 GMT
        Call-ID: CC46DCEF-275211E1-B6F2F4AB-C7084FB4 at sip.provider.nl
        CSeq: 101 CANCEL
        Max-Forwards: 70
        Timestamp: 1324063688
        Reason: Q.850;cause=16
        Content-Length: 0


And opensips processes the request and sents this to the clients ATA:
    Session Initiation Protocol
    Request-Line: CANCEL sip:myusername at 81.82.83.10:1030 SIP/2.0
    Message Header
        From: <sip:0622334455 at sip.opensips.nl>;tag=6CA89598-AD9
        Call-ID: CC46DCEF-275211E1-B6F2F4AB-C7084FB4 at sip.provider.nl
        To: <sip:31201234567 at sip.client.nl>
        CSeq: 101 CANCEL
        Max-Forwards: 70
        Content-Length: 0

In the processed request the Reason header (above Content-Length) is
filtered out.
(left the Via records out).

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