Use TextOPS module,
http://www.opensips.org/html/docs/modules/1.8.x/textops.html#id250208
You probably need to use it something like this,
replace_all("^\s+$", "");
You have to do this BEFORE involving B2BUA stuff.
Thank you.
On Thu, Nov 22, 2012 at 2:03 PM, Adam Raszynski <[email protected]>wrote:
> Hi
>
> I have problem with some buggy hardware ATAs and routers, some of them
> mess SIP requests by adding empty lines (\n or \r\n) between headers.
>
> For example:
>
> Via: SIP/2.0/UDP 80.1.1.1:5060;branch=z9hG4bKe89.28ac75a.0
> To: sip:80.1.1.1
> From: <sip:[email protected]
> >;tag=13e3d64e25956fb4c1e2442af82fd0e3-c2c5
> CSeq: 14 INVITE
>
> Call-ID: [email protected]
> Max-Forwards: 70
> Content-Length: 0
>
>
> Note empty line between CSeq and Call-Id. That's just example, empty lines
> appear in random order.
>
> I route calls to sippy B2BUA wich does not accept malformed requests and
> throw exception in that condition.
>
> Is it possible to detect such requests in OpenSIPS and remove unnecessary
> empty lines from between headers?
>
> Regards
>
>
>
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