HD-Phone Gigaset Comfort 551HX

Device and buttons

HD-PHONE GIGASET COMFORT 551HX

Get to know the device

Buttons and ports

Internet box 2 Anschlüsse
  1. Display
  2. Status bar 
  3. Display keys 
  4. End call key / On/off key
  5. Control key / Menu key 
  6. Hash key / Lock key
  7. Recal key
  8. Microphone
  9. Star key
  10. Headset connector (3,5 mm jack)
  11. Key 1
  12. Talk key / Handsfree key
  13. Message key 
  1. WLAN-Taste
  2. + Taste (WPS und DECT)
  3. Status-LED
  4. Anschluss USB 2.0 
  5. Anschluss für DSL-Kabel
  6. Anschluss für Ethernet-Kabel
  1. Reset
  2. Ein / Aus (Power) 
  3. Anschluss USB 3.0
  4. Anschluss für Netzteil
  5. Anschluss für Glasfaser-Modul und -Kabel
  6. Analoge Telefone / Faxgeräte

Frequently asked questions

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:

  1. On your telephone, select: Menu – Settings – Registration – Register Handset - OK
  2. 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:

  1. Menu
  2. Network services
  3. Options
  4. Scroll down and set up service (call forwarding, reject unknown calls etc.)  OK


The following Swisscom services are available:

Forward Divert incoming calls to another telephone number
Do not disturb Divert all incoming calls to a message
Block anonymous calls 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.
Gigaset Comfort 551HX HD-Phone declaration of conformity

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