In this area, we show you some guides about our Deskphone Expansion modules.
- How-to update firmware of a D7C Expansion Module
- How to update firmware on a D3, D7 Expansion Module - UXM
- How to update the Icon of a D7C Function Key
- How-to upgrade a D3,D7 Expansion module from the phone - UXM
- How to visually customize D7C