NEW Mitel 5425 Line Interface Module 50004197

New open box.

Module only.

• 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