Gigaset CL660HX HD-Phone
Find out more about the operation, keys and functions of the Gigaset CL660HX HD-Phone and how to set it up and use it.
Find out about the device and the HD-Phone buttons in the button overview. Residential customers need an Internet-Box and fixed-line access (IP) to use the Gigaset CL660HX. Business customers need the Centro Business 2.0 or Internet-Box 3 and Business Telephony connection.
Help topics & tips HD Phone Gigaset CL660HX
Instructions, documents and firmware
Instructions (PDF)
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Gigaset CL660HX HD-Phone installation instructions (summary)
Download the instructions. (PDF file, 373 KB)
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Gigaset CL660HX HD-Phone installation instructions (detailed)
Download the instructions. (PDF file, 854 KB)
Declaration of conformity (PDF)
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Gigaset CL660HX HD-Phone declaration of conformity
Download the declaration of conformity. (PDF file, 101 KB)
How do I connect the phone to the Internet-Box?
Before you press the + key (pairing key/connection key) on the Internet-Box (base station), start the automatic DECT registration process as follows:
- On your telephone, select: Menu – Settings – Registration – Register Handset - OK
- Now press the + key on the Internet-Box
The two devices will show a successful connection on their displays.
How do I set up call forwarding?
You can configure settings directly on your handset to forward calls or reject calls you do not wish to take. Proceed as follows:
- Menu
- Network services
- Options
- Scroll down and set up service (call forwarding, reject unknown calls etc.) > OK
The following Swisscom services are available:
| Forward call | Divert incoming calls to another telephone number |
| Do not disturb | Divert all incoming calls to a message |
| Do not disturb | Divert all calls with suppressed telephone number to a message |
| Call barring | Enter the telephone number of the last call in a black list. Calls with this telephone number are no longer diverted to the handset. |