The Mitel BB424 Button Box provides visibility over other users as well as single-button access to advanced telephony features including transfer, silent monitor and barge in. The BB424 is a USB accessory for the Mitel 485G IP phone and features 24 programmable buttons. Users can also employ the four page buttons across the bottom to program up to 96 buttons total. If the user prefers seeing all the buttons at the same time, up to four physical units can be used instead.
Mitel BB424 Features
Adds 24 tri-color LED programmable buttons to your Mitel 485G IP phone
Provides 4 page buttons for up to 96 programmable buttons per BB424
Can program telephony features including transfer, silent monitor, and barge-in
Backlit LED screen (272 x 480 pixels)
Can add up to 4 BB424 units per phone
When adding 2 or more units and external power supply is required (not included)
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