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Lütfen bir ürün kategorisi ve/veya ürün seçin.

Analog Phones


  • How can I connect the PC with the telephone's Web configurator?

    Prerequisites: A standard Web browser is installed on the PC e.g., Internet Explorer version 6.0 or higher, or Firefox version 1.0.4 or higher. The phone and PC are directly connected with each other via a router. The settings of any existing firewall installed on your PC allow the PC and phone to communicate with each other.

    There are two ways of connecting your PC to the Web configurator on the Gigaset:


    1. Via the phone's IP address in the local network

    Establish the current IP address of the phone. It is displayed when you open the following menu:

    • Menu-Settings-System-Local Network (enter PIN)

    Your phone's IP address can change if you have activated dynamic IP address Assignment

    • Launch the Web browser on your PC.
    • Enter http:// and the telephone's current IP address (for example: into the address field of the Web browser.
    • Press the return key.

    A connection is established to the phone's Web configurator.

    If one of the four parts of the IP address contains leading zeros (e.g., 002), these zeros must not be entered in the Web browser address field. Otherwise, the Web browser will not be able to establish a connection to the Web configurator.
    Example: The IP address is displayed on the phone. should be entered in the address field.

    2. Via the Gigaset configuration service, if the phone and PC are connected to the Internet

    Prerequisite: Your PC and phone are connected to the Internet.


    • Launch the Web browser on your PC.
    • Enter one of the following URLs into the Web browser's address field:

    • Press the return key.


    You will receive a message stating that the connection has been forwarded to phone.
    If several Gigaset phones can be reached via your Internet connection, you are asked which of these phones you would like to be connected to.
    After successfully forwarding the connection, the Web configurator's Login page is displayed in the Web browser.


    Please note:
    The connection between the PC and the Web configurator is a local connection (LAN connection). The Internet is only accessed to establish the connection.

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  • Which additional handsets can I use?

    Basically all GAP compatible handsets can be used.

    The Gigaset compatibility database shows you which telephone functions and features are attuned with which device combinations

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  • My handset displays „Server not accessible“. What can I do?

    In this status no VoIP calls are possible. Please check the following points:

    • Make sure that the Gigaset is connected to one of the LAN ports of the router and check, if the plug of the network cable are correctly engaged on the Gigaset base station and the router.
    • Make sure that the Gigaset gets an IP address from the router(blue LED illuminates at the base station).
    • Make sure that the router is connected to the internet.

    If all the above criteria has been met, please check the configuration of your VoIP provider. Thereto Start the menu on the handset "Settings" – "Base" - "VoIP Configuration" or open the Web page "Settings" - "Telephony" - "Connections".

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  • Is it possible to record two calls simultaneously?

    No, only one call is possible.

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  • How can I test, if is working?

    An echo service is available for you to check

    your VoIP connection.

    The echo service is available in six languages:

    • 12341#9 (English)
    • 12342#9 (Dutch)
    • 12343#9 (Italian)
    • 12344#9 (French)
    • 12345#9 (German)
    • 12346#9 (Spanish)

    After an announcement, the echo service

    immediately sends back the voice data you

    have received in the form of an echo.

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  • How can I add phone lines to the answering machine?

    Via the web Configurator under “Settings” – “Telephony” – “Number Assignment”. The number is always assigned.

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  • What is the capacity of the answering machine?

    Up to 30 Minutes can be recorded.

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  • Can I classify the answering machine for the different numbers?

    No, all calls for all numbers are recorded one after another

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Gigaset C455 IP - FAQ Topics


  • Answering machine
  • C

  • Call Transfer
  • Compatibility
  • E

  • E-Mail Notification
  • F

  • Firmware / Update
  • G

  • I

  • Info services
  • Installation / Configuration
  • M

  • Messenger
  • O

  • Operating with (NAT) routers
  • Online Phonebook
  • R

  • Reset procedures
  • Router selection
  • S

  • SMS
  • T

  • Telephone via fixed line