Telephone operation
Problem Solution
LINE lights remain
• Make sure the phone is programmed
on when no line is
for that line to be absent. (See
Turn
connected.
line usage on or off for each line
on page 31.)
• Make sure that your line groups are
programmed properly. (See
Assign the
line group for this phone
on page 39.)
• Disconnect all other devices (fax, modem,
credit card reader, etc.) from any lines
connected to your phone. These devices
can interfere with the telephone’s data links.
• Make sure the total length of telephone
wiring used in your phone system is less
than 600 feet as it may cause interference
with the advanced features of this telephone.
• If you are a DSL service subscriber, please
see
DSL users
beginning on page 4 for
details.
Problem Solution
Tone signals do
Tone signaling does not work during
not activate a
conference calls.
remote device.
90
In case of difficulty
In case of difficulty
974CIB_06 4/7/06 3:33 PM Page 90