AASTRA 7433ip for MX-ONE User Guide EN - Manual (Page 23)

IP P HONE FOR MX-ONE™
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Busy tone
Congestion tone
Vacant number tone
Call waiting tone or verification tone
Intrusion tone
Conference tone*
Connection in progress tone
On hold
* The conference tone can be disabled by the system administrator.
Note: The tones above are the most commonly used tones worldwide.
Many markets use a differing tone for one or more situations.
2.8 Handset Mode
The handset mode means that you lift the handset in order to make or
answer a call. The features and processes described in this manual are