AASTRA 600d for Aastra 800 and OpenCom 100 User Guide EN - Manual (Page 139)

Key Programming
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Key Programming
Your mobile unit enables you to assign frequently used functions to specific keys.
Programmable Keys
Aastra 610d
The left and middle softkeys below the display and the left and right navigation
keys can be programmed. The left and right programmed navigation key of the
mobile unit can also be used during a connection.
Aastra 620d / Aastra 630d
The left and middle softkeys below the display can be programmed. These pro-
grammed keys can only be used when idle.
The three side keys (left) and the hotkey (right) and the left and right navigation
keys can also be programmed as usual. These programmed keys can be used during
calls and when the mobile unit is idle.
After programming, the display shows the programmed function (not for the hotkey,
however). A short key press is sufficient to call the function.
Note
Please keep in mind that some functions are only displayed during a call. When you,
e.g. access the caller list, you can scroll through it and edit it, however, you cannot
dial a call from the list.