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• A broadband internet connection.
  
  

• Access to the internet via a router. This could be a separate device available in various versions from many different manufacturers or in the form of a router on a server or a PC.
  
  

• Account information provided by your network administrator or a VoIP account with a VoIP service provider who supports the VoIP SIP standard. The phone supports up to 6 VoIP accounts with one or more VoIP providers.

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• Account (usually the phone number). On Gigaset phones, an account is called an "identity".
  
  
• Registrar
  
  
• Password

User name, authentication name, and outbound proxy may also be required. These are settings that can only be configured on the web interface of the phone after it has been successfully registered. If your provider or your network provides a mailbox account, that setting is also configured on the web interface.