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Mitel 5425 Line Interface Module (50004197)

Mitel 5425 Line Interface Module (50004197)

Please call for availability.

The Mitel 5425 Line Interface Module is a plugs into the back of your Mitel 5220, 5224, 5235, 5330, or 5340 IP Phone. It allows for local access, emergency dialing and guaranteed survivability through an analog telephone line (POTS).

Mitel 5425 Line Interface Module Features

  • Provides a separate connection to an analog line, such as those with an included DSL service.
  • Voice communication automatically and transparently defaults to a PSTN.
  • PSTN analog line defaults if IP service is disrupted, allowing users to continue to make and receive calls.
  • Enables remote users to have localized calling and emergency service.


  • 5220 Dual Mode
  • 5224 and 5235 IP Phones
  • 5330 and 5340 IP Phones