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USING THE LINE INTERFACE MODULE The 5220 IP Phone supports the Mitel Line Interface Module. The Line
Interface Module allows you to make and receive calls over an analog line
(Line Interface Module line) connected to your phone. The Line Interface
Module operates in either of the followin
g
two modes, as determined by your
System Administrator:
zLine Interface Module Mode: your phone allows you to use the Line
Interface Module line at any time
zFailover Mode: you can use the Line Interface Module line only when the
IP connection has failed
Note: Handsfree and on-hook dialing are not supported on the Line
Interface Module line.
For information on emergency number dialing using the Line Interface
Module, refer to Emergency Calls.