Panasonic Easa-Phone VA-30910 Operating Instruction page 27

Additional Features
While this feature is set, the outside incoming ringing tone sounds on a predetermined telephone (by
system programming) only.
The setting and release operation are only possible on telephone specified in the system programming.
During the time this feature set, INT indicators of the specific telephone flash.
Releasing is done in the same way as setting.
1. Press ON/OFF key
* Listen for the intercom dial tone from speaker. ON/OFF indicator will light up.
2. Press dial keys # 6 #
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INT indicators will flash.
3.
Press ON/OFF key
* ON/OFF indicator will go off.
With this feature set the call tones for all incoming outside and intercom calls and paging do not sound.
However, the line indicators flash in the case of outside incoming calls.
By using this feature you will not be disturbed by the telephone ringing while you are having a meeting.
While this feature is set, DND/CF indicator lights up.
Note that this indicator also lights up when the Call Forward feature is set.
Setting
1 .Press ON/OFF key
* Listen for the intercom dial tone from speaker.
ON/OFF indicator will light up.
2.Press dial key # 3 #
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DND/C F indicator will light up.
3.Press ON/OFF key
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ON/OFF indicator will go off.
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