[Freeswitch-users] Relay Proxy-Authentication requests to the caller

[Dave Horton]

In my case, I am trying to use it as a simple transcoding server.  And the rich media support of codecs, and the ease of managing multiple sip profiles and setting up a back-to-back user agent scenario lend themselves quite well to the task IMO.  I don't think the other solutions handle media or transcoding at all (correct me if I'm wrong) so trying to build the solution using those platforms would actually leave quite a lot of heavy lifting to do.  

I have built a lot of SIP apps over the past 10 years, on a lot of different networks, and I have found that it is critical to be able to tweak SIP headers to make these interop.  I wish it weren't the case, but it has been and still remains so.  FS seems to only allow true custom headers (e.g., X- headers) to be manipulated at this level, and I find it to be a shortcoming.


On Apr 14, 2011, at 2:11 PM, Kristian Kielhofner wrote:

These requests have baffled me...

Are you trying to use FreeSWITCH as an outbound proxy (or something)?

This type of low-level SIP mangling is usually more well suited to
OpenSIPS, Kamailio, etc.  Even then you'd have some work cut out for
you...

On Thu, Apr 14, 2011 at 1:36 PM, Dave Horton <dave at dchorton.com> wrote:
> 
> I had the same question/issue myself, and would be interested to know if
> there is a way.  For myself, I had to do two things to get this to work:
> 1.  Disable authentication so that FS would not itself generate a challenge.
>  In vars.xml I added this:
>  <X-PRE-PROCESS cmd="set" data="internal_auth_calls=false"/>
> and in my internal.xml (because calls were coming in on my internal
> profile):
>    <param name="accept-blind-auth" value="true"/>
> 2. Then I had to hack mod_sofia to create a new channel variable containing
> the received Proxy-Authorization on the inbound leg, and also let me set it
> on the outbound leg.
> After that it worked, but I would still prefer a solution that didn't
> require changing mod_sofia, if one exists...
> 
>>> Hi All!
> 
>>> 
> 
>>> I would like to know if  there is a param we could set in sofia profile to
>>> let freeswitch relay Proxy-Authentication requests to the caller instead of
>>> absorbing it.
> 
>>> 
> 
>>> Regards,
> 
>>> Hamid
> 
> 
> 
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-- 
Kristian Kielhofner