Mitel Aastra 673 i Series Manual page 5

1.1.4 Mitel (Aastra) 6730i and 6731i
6730 und 6731i
1.2. Keys in detail
Picture Description
Ends an active call or cancels an action/entry.
Options menu: The functions are visible but mostly
not active – telephone system functions can only be
accessed via the "Menu" key.
5