For Users On Resilient 3300 Icp Systems; Line Interface Module - Mitel 5312 IP User Manual

For Users on Resilient 3300 ICP Systems

If during a call, you hear two beeps repeated every 20 seconds it means that your phone is
switching to a secondary 3300 ICP system. The call continues but some of the keys and
features on your phone function differently. The keys and most 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
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 5324 IP phone only. 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 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" elsewhere in this guide. Note:
The 5312 IP Phone does not support the Line Interface Module.
5312/5324 IP Phones User Guide
MUTE light is on), the call remains muted
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