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the keys and features on your phone function differently. The keys and features begin
working normally again after you hang up. If your phone switches to the secondary
system while your speaker or handset is muted (that is, while the
MUTE key light is
on), the call remains muted until you hang up. Normal operation resumes when your
phone switches back to the primary system. If your phone is idle and switched to the
secondary system, you'll see a flashing rectangle on the display. The rectangle remains
until the switch to the primary system is complete.
Line Interface Module
The Line Interface Module is an optional device that adds an analog phone line (POTS)
capability to your 5224 or 5324 IP Phone. If Emergency Call Routing is not programmed
on your 3300 ICP, you must use the Line Interface Module to dial emergency calls. For
more information on emergency number dialing, refer to Emergency Calls.
If you have a Line Interface Module connected to your 5224 or 5324 IP Phone, all
programming of the Line Interface Module, except the Analog Key, is done by the
Installer when your phone is installed. For more information, refer to “Using the Line
Interface Module” in this guide.
Tips for Your Comfort and Safety
Don't cradle the handset!
Prolonged use of the handset can lead to neck, shoulder, or back discomfort, especially
if you cradle the handset between your ear and shoulder. If you use your phone a lot,
you may find it more comfortable to use a headset. See the section on headset usage in
this guide for more information.
Protect your hearing
Your phone has a control for adjusting the volume of the handset receiver or headset.
Because continuous exposure to loud sounds can contribute to hearing loss, keep the
volume at a moderate level.
Feature Access Codes
Many features can be activated or disabled by Feature Access codes when no
Feature Keys are programmed for this purpose.
Contact your System Administrator for these and other Feature Access codes
available on your telephone system, or to have these features programmed into
your set’s softkeys. Record your Feature Access codes in the Personal Directory
table at the end of this guide.
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