AASTRA 7446ip (5446ip) for MX-ONE User Guide EN - Manual (Page 17)

IP P HONE FOR MX-ONE™
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* The conference tone can be disabled by the system administrator.
Note: The ring tones differ depending on the country where the phone
is being used.
3.5.2 Ring Signals
At an incoming call on the free on second line, the phone rings only the
first period and with a low level. This is valid for both the internal and
external ring signal.
The following types of ring signals are available:
Dial tone
Special dial tone
Ring tone or
queue tone
Busy tone
Congestion tone
Vacant number
tone
Call waiting tone
or verification
tone
Intrusion tone
Conference tone*
Connection in
progress tone