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The Mitel 5425 Line Interface Module plugs into the back of your Mitel 5220, 5224, 5235, 5330, or 5340 IP Phone. It provides analog line backup (POTS, PSTN) for voice calls if the IP network is disrupted.
Mitel 5425 Line Interface Module Features
- Adds an analog line port (POTS) to your compatible Mitel IP phone
- Provides default PSTN backup if an IP network failure occurs
- Provides additional residential line calling and emergency access for remote workers
- 5220 Dual Mode
- 5224 and 5235 IP Phones
- 5330 and 5340 IP Phones