Using DHCP option 150 with Cisco Ent IP phone for firmware upgrade

This is a self help video that shows you how to perform Cisco IP phone firmware upgrade from older enterprise firmware to newer enterprise firmware via DHCP option 150 and a local TFTP server.

1.) Please note before making changes to your DHCP server for option 150 evaluate if this will cause any issues within within your network. If you are not sure consider performing this procedure in an isolated network.

2.) Please note you need to setup a local TFTP server, please verify it is not being blocked by security software on the computer.

Cisco IP phone Ent 14.1(1) to 3PCC firmware migration via local TFTP for WebEx Calling
https://youtu.be/TcLe32UPQTE .