Any client->server VPN connection on the laptop should work. Normally a company's existing IT guy would set this up.

Windows has VPN client capability built-in, but some routers such as the Cisco RV042 have a special (free) proprietary VPN client you have to use.

The VPN connection has nothing to do with the softphone; once it's established the softphone will simply talk to the private IP's of the PBX.


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