Cisco 6921 Administration Manual page 175

Appendix
Figure F-7
To remove the phone and mounting plate from the wall bracket, you must disengage these tabs.
Before You Begin
You require two screwdrivers or metal sticks.
Step 1 Push the screw drivers into the left and right holes in the phone mounting plate approximately 1 in. (2.5
cm).
Step 2 Press firmly inwards (towards the phone) to disengage the tabs, lift up on the phone to release the phone
from the wall bracket, and then pull the phone towards you.
The following figure shows how to disengage the tabs.
Cisco Unified IP Phone 6921, 6941, and 6961 Administration Guide for Cisco Unified Communications Manager 8.0 (SCCP)
OL-20851-01
Tab Location
ADA Non-Lockable Wall Mount Kit for 6900 Series
F-7