Connect Yealink Phone to Yeastar S-Series VoIP PBX via OpenVPN

  1. Put all the certifications and keys within the folder keys, and zip the keys folder and other files to a .tar file using the software 7z.
    Table 1. Files for Yealink phone
    Folder File Note
    keys ca.crt Root Certificate Authority
    Yealink.crt a certificate file for Yealink IP phone client
    Yealink.key a key file for Yealink IP phone client
    ta.key Required for client when SSL/TLS is enabled on the OpenVPN server
    / vpn.cnf an OpenVPN connection file
    / pwd Required for OpenVPN username/password authentication

    In this example, we name the .tar file as Yealink.tar.

  2. Log in the phone web interface, go to Network > Advanced > VPN.
  3. Upload the Yealink.tar file.

    Yealink phone will reboot itself to apply changes. After phone rebooting, you can check the VPN connection status by checking a VPN icon shown on the Yealink LCD screen.