Uses OpenVPN but configure so that only VoIP related ports are sent to VPN and the rest to break out from the phone internet connection. SIP normally uses 7060 for establishment, 1719 and 1720 for signalling, after that dynamic ports for media will be assigned by the VoIP (SIP) Server.

IP Phone VPN - Cisco Community IP Communicator also works fine with the VPN software Client, and with appropriate configuration, even a telephone on a network connected to the PC with VPN client. Alternatively you can just put the phone with SIP or SCCP (as supported be NAT devices used) and register to callmanager w/o VPN, you configure the device as secure and privacy is maintained. ShoreTel VPN Concentrator and associated VPN phones The VPN Phone is a ShoreTel feature that provides secure audio communications for ShorePhones located remotely from ShoreGear switches through open VPN SSL tunnels. Use of a ShoreTel VPN phone permits a person working in a SOHO environment to take advantage of a … Cisco Unified Communications Manager Express System

The 9601 is a Session Initiation Protocol (SIP) only phone for use with SIP Voice over Internet Protocol (VoIP) systems. The 9608 phone is an eight-line phone with directory and speed dial functions, with a monochrome display and four programmable keys. The device also supports Bluetooth headsets.

May 20, 2020

tar cvf openvpn.tar ./vpn.cnf ./keys. Follow the documentation in the zip file your downloaded in the zip file from yealink to upload the .tar file. After the phone reboots, you should see a [VPN] Icon in the top right hand corner of the screen on your phone. You can now SIP register as though your phone was an internal phone.

May 20, 2020