About this item
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
- Features
- NEW
Specifications
- First Listed on Newegg
March 03, 2025
Product photos are for illustrative purposes only and are exemplary. The colors, inscriptions, parameters, dimensions, sizes, functions, and/or any other features of the original products may look different than in reality due to their visual characteristics, so please refer to the product features that are indicated in the product descriptions.