Mitel 5320e/5330e/5340e User Guide
Activating Door Relay
If the Activate Door Relay feature is enabled, you can unlock a door (i.e., “buzz” it open) through your IP phone.
You can enter the Activate Door Relay feature code while idle or while on a call. This allows you to activate the feature while talking to a communications device mounted at the door without first having to hang up. When activated while on a call, the feature will not affect the call in progress other than to show a short confirmation on the display.
You can add the Activate Door Relay feature to a phone keymap button, just like any other station feature.
To unlock a door:
While idle or while on a call, dial 332. The door is unlocked.
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