NEC Xen Alpha Features And Specifications Manual page 81

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Features & Specifications, Conference Add-On
A6-506000-642-02
During a conference call some of the keys on the telephone can be used and some
cannot be used, these are listed below.
Available Keys:
O
Accesses available functions.
A
O
Toggles to turn the microphone on and off.
B
O
Toggles to set and reset handset mute.
M
Places a conference on hold.
N
Toggles to turn the speaker on and off or cancels a conference.
Unavailable Keys:
V
Outside line key that is part of a conference.
V
One-touch keys programmed for a function.
P
T Q
or
S
Q
or
R
S
U
C-16, Page 75