AASTRA 4222 Office for MX-ONE (TSE) User Guide EN - Manual (Page 7)

7 Dialog 4220 Lite/Dialog 4222 Office
Description
Description
Dialog 4220 Lite/4222 Office phones
Note: The key functions available on each model vary. If any
functions differ or are unavailable, this will be indicated in the
relevant section of the user guide.
1 Display (Dialog 4222 Office only)
2x20 characters. See section “
Display information ” on page 13.
2 Programming
See section “
Settings ” on page 65.
3 Callback
Indicating/activating Callback. See section “
When you receive a busy
tone ” on page 23. The feature can be removed or moved to another
programmable function key by your system administrator.
Dialog 4220 Lite Dialog 4222 Office
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