Swisscom regularly updates HD phones with the latest firmware, so that you can continue to benefit from new features and improvements once you have made your purchase. This happens automatically.
Firmware is the software which provides HD phones with all their functionality. This site informs you about the latest firmware versions, the new features they introduce, and the improvements they make.
HD-Phone Zermatt Firmware Release Notes
Current Firmware (February 2017):
- Call volume increased for normal and HD calls
- Error message if more than 4 handsets are registered
- Further minor error corrections