How do I register the HX handset to a Fritz!Box?
xUsing the FRITZ!Box wizard to register a telephone
1. Click "Telephony" in the FRITZ!Box user interface.
2. Click "Telephony Devices" in the "Telephony" menu.
3. Click the "Configure New Device" button.
4. Enable the option "Telephone (with or without answering machine)" and click "Next".
5. Enable the option "Cordless (DECT) Telephone" and click "Next".
6. Start the registration procedure (Settings, Registration, Register Handset, Register at FRITZ!Box) on the telephone, then click "Connect" and follow the instructions.
7. If asked to do so, enter the FRITZ!Box's four-digit PIN on the telephone and confirm it with "OK".
Note: You do not have to push any buttons on the FRITZ!Box when using the wizard to register telephones.