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TWINCALL Forward get you connected with your existing telephone to two systems (Internet and the normal telephone line) . And this model gives you the possibility to use your internet phone line from anywhere.
Your only requirement is that you have a normal (PSTN) telephone line and a broadband (internet) connection.
4IP provide latest communication technology for the common user and can be used without any user configuration.
No computer is required for the installation or the operation of the TWINCALL Forward, you install it by connecting your telephone line and broadband (internet) connection to the ATA adapter.