The Billion ISDN Phone is an intuitive GUI interface program that automates and organizes many of your telephony tasks. The ISDN Phone has the following additional features:

- A Software Dialer allowing you to dial the telephone number using either the mouse or your keypad.

- Speed Dialing allowing you to dial a number with a single mouse click. You can store up to 16 numbers with the Speed Dialing function.

- Hot Key Dialing allowing you to use hot key to automatically dial a number that has been copied to the clipboard.

- Automatic Redial freeing you from having to manually redial if the line is busy.

- DTMF Tone sending capability allowing you to send DTMF (Dial Tone Multi Frequency) signals after a connection has been made. A DTMF number is used to access a database system or extension at the dialed number.

- A Phone Book allowing you to store phone numbers and other important information about your contacts. You can even insert a picture to help you with identification.

- Automatic Answer allowing you to set the program to automatically answer the incoming call after a specified number of rings.