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Snom phones support a VPN feature through the OpenVPN software.

OpenVPN is a very powerful tunnelling solution and offers a wide set of features.


More information on how to set up VPN can be found here: Configuring VPN on Snom Deskphones

Setting up the OpenVPN Redundancy

One of the most useful and less known feature is the support for multiple remote VPN endpoint. As documented on the main page of the OpenVPN website, you can define more than one remote statement in your vpn.cnf.

  • The OpenVPN client will try to connect to a server at host:port in the order specified in the list of --remote options
  • Using the <connection> configuration section you can even define multiple connection profiles per each remote endpoint.

Here is a very simple vpn.cnf example using more than one remote endpoint:

dev tun
proto udp
remote 1194
remote 1194
remote 1194
resolv-retry infinite
ca /openvpn/myca.crt
cert /openvpn/clien.crt
key /openvpn/client.key
ns-cert-type server
ping-restart 60

For more informations and details please check out the official OpenVPN documentation: