Lütfen bir ürün kategorisi ve/veya ürün seçin.
What do I have to note for the firmware update?
Yes, please note the following prerequisites:
- The base station is connected to the Internet.
- No calls are being made via the fixed line network or VoIP.
- There is no internal connection between the registered handsets or between the handset and the answering machine.
- The base station menu is not open on any of the handsets.