Avaya XM24 24-Button Expansion Module
The Avaya XM24 provices 24 additional programmable line and feature buttons for your Avaya 6400 series digital phone.
Avaya XM24 Features
- Adds 24 additional programmable call appearance/feature buttons
- Compatible with the 6416D+, 6416D+M, 6424D+, or 6424D+M digital telephone
- The Avaya XM24 Expansion Module requires an 1151 series auxiliary power supply to function (sold separately; see accessory below).