How to enable EHS settings in a Cisco SPA Series

To activate EHS for Cisco Model: SPA Series

(UC520, UC540  UC560  PHONE PLATFORMS WORK WITH THE CISCO SPA PHONES)

MUST enable through the Cisco UC web portal only, EHS settings unavailable through phone menu.

Having a Cisco tech is recommended.  This is not for the end user to enable.

First upgrade phone firmware to release 7.5.4 or later.

Verify following command is set in UC platform in command line interface.

Login

Type Config T press ENTER

Type the following command in config mode under telephony

UC_560(config-telephony)#service phone ehookEnable 1

Save config

Go to phone IP address web page under user set electronic hookswitch control to yes

(See photos)

NOTE: This Setting cannot be changed by the Customer. If it is disabled and the Customer cannot change it, then they should contact their phone service provider for assistance.