Administrator’s Guide for Yealink VC800&VC500 Video Conferencing System
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VPN
VPN (Virtual Private Network) is a secured private network connection built on top of public
telecommunication infrastructure, such as the Internet. It has become more prevalent due to
benefits of scalability, reliability, convenience and security.
VPN Technology
VC800/VC500 systems support SSL VPN, which provides remote-access VPN capabilities
through SSL. OpenVPN is a full featured SSL VPN software solution that creates secure
connections in remote access facilities, designed to work with the
TUN/TAP
virtual network
interface. TUN and TAP are virtual network kernel devices. TAP simulates a link layer device and
provides a virtual point-to-point connection, while TUN simulates a network layer device and
provides a virtual network segment.
VC800/VC500 systems use OpenVPN to achieve VPN feature. To prevent disclosure of private
information, tunnel endpoints must authenticate each other before secure VPN tunnel is
established. After VPN feature is configured properly on the IP phone, the IP phone acts as a
VPN client and uses the certificates to authenticate the VPN server.
To use VPN, the compressed package of VPN-related files should be uploaded to the
VC800/VC500 systems in advance. The file format of the compressed package must be *.tar. The
related VPN files are: certificates (ca.crt and client.crt), key (client.key) and the configuration file
(vpn.cnf) of the VPN client.
The following table lists the unified directories of the OpenVPN certificates and key in the
configuration file (vpn.cnf) for Yealink video conferencing system:
VPN files
Description
Unified Directories
ca.crt
CA certificate
/config/openvpn/keys/ca.crt
client.crt
Client certificate
/config/openvpn/keys/client.crt
client.key
Private key of the client
/config/openvpn/keys/client.key
For more information, refer to
OpenVPN Feature on Yealink IP phones
VPN feature parameters on the system are described below.
Parameter
Description
Configuration Method
VPN
Enables or disables VPN feature on
the system.
Remote Control
Web User Interface
Содержание MeetingSpace VC500
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