The Mitel BB424 Button Box provides and additional 24 programmable buttons for your Mitel 485G IP Phone. Buttons can be used as a busy-lamp field to monitor other users and for one-touch transfers. They can also be programmed with more advanced features. Using four available page buttons, you can access up to 96 total programmable buttons on each BB424.
A Reviewer
20 Mar 2025
Quick and easy.
Mitel BB424 Features
Provides 24 additional programmable buttons with color status LEDs for your Mitel 485G IP phone
4 page buttons allow you access up to 96 programmable buttons on a single BB424
Can also program other telephony features like transfer and silent monitor
272 x 480 pixel backlit, LED screen
Can add up to 4 BB424 units per phone
An external power supply is required when adding 2 or more units to a phone (power not included, sold separately)
