netdev - Re: SIP proxying: siproxd vs. Netfilter SIP nat

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Message-ID: <alpine.DEB.2.00.0911301123110.17037@router.home>
Date:	Mon, 30 Nov 2009 11:27:04 -0600 (CST)
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	Patrick McHardy <kaber@...sh.net>
cc:	Christian Hentschel <chentschel@...et.com.ar>,
	netdev@...r.kernel.org
Subject: Re: SIP proxying: siproxd vs. Netfilter SIP nat

On Mon, 30 Nov 2009, Patrick McHardy wrote:

> > http://people.netfilter.org/chentschel/docs/sip-conntrack-nat.html
>
> That documentation is horribly outdated.

Where do I find more recent documentation?

> > Isnt there a way to make the kernel module work in the same way siproxd
> > works and able to support multiple phones? Right now configuring SIP
> > connectivity is a messy thing that is not easily setup. Can we fix this?
>
> It should work fine with multiple phones, it even recognizes calls
> between two internal phones and makes the media stream go between
> them directly. Depending on how your registrar/proxy works, you might
> have to set one or both of these module options:

Loaded both sip modules without specifying any parameters. Resulted in one
way audio problems which is what I also get without the modules.

> sip_direct_signalling: when set to zero, allows incoming signalling
>  connections from other hosts than the registrar. Usually not needed.
>
> sip_direct_media: when set to zero, allows incoming media streams
>  from other hosts than the registrar. This one is often required,
>  some providers use server farms for handling the media streams,
>  some set up media streams to go directly between the endpoints.

Ok will try setting that parameter to zero.

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