On 01/31/2012 06:57 AM, Gilles wrote:
Thanks for the infos. So the only way to use SIP through locked-down NAT routers is to use OpenVPN, either with the few hardphones that support it or with a softphone on a computer.
You can also setup OpenVPN to connect a remote subnet (remote office) and it will route all traffic between subnets. Configure the hard/soft phones on the remote subnet to route through the OpenVPN. This works pretty well for me.
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