Gigaset CL660HX HD-Phone

On this page:
Find out more about the operation, keys and functions of the Gigaset CL660HX HD-Phone and how to set it up and use it.


Device and buttons

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.

Swisscom HD-Phone Gigaset CL660HX: keys and functions





Set up and use

Help topics & tips HD Phone Gigaset CL660HX







Instructions, documents and firmware

Instructions (PDF)

Declaration of conformity (PDF)






Frequently asked questions

How do I connect the phone to the Internet-Box?

How do I set up call forwarding?