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Re: [Openvpn-users] VoIP with OpenVPN


  • Subject: Re: [Openvpn-users] VoIP with OpenVPN
  • From: "Andrew N. Gray" <agray@xxxxxxxxxxx>
  • Date: Thu, 5 Apr 2007 12:21:37 -0400

Our office uses open vpn to link to another office.

We run 4 phones, 4 windows terminal clients, other various data  
across 768 upstream cable modem connections,.

We average 33 ms ping times. We use Nortel Hard IP phone (i2004)  
connected to a BCM 50.  We have two OpenVPNs, one to bridge across  
the offices across the cable connection and one for road warriors  
over another DSL connection. (both UDP/Bridged)  we use TC for QOS  
over the cable vpn.

To say it works great is an understatement.  You can get a great  
sounding connection over the Hard phones or via the Nortel Softphone  
on your laptop via the road warrior version.

I have even checked my voice mail over an cellular broad band  
connection.

You mileage will vary, depending on the codecs and the ping times,

Andrew


On Apr 5, 2007, at 10:52 AM, Marcel van Beurden wrote:

> Hi all,
>
> I was wondering if anyone ever succesfully tunneled VoIP traffic  
> (SIP, RTP) over
> a OpenVPN? I googled a bit, but I'm only reading about problems,  
> not about
> working setups.
>
> The thing I want to do is run a SIP softclient behind a restrictive  
> firewall. I
> do however have a SSH tunnel to server outside, over which I have  
> full control.
>
> Regards,
> Marcel
>
>
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