1. When Nikita dialed out it used a digital telephone to send.

2. Analog and digital telephone systems, automatic vending machines and mechanisms for coin-operated apparatus

3. The range extends from a simple 8/8 RJ45 insert for analog and digital telephone connections through to Line 21 RJ45/TAE combination socket for connecting an analog or a digital telephone and an additional digital network device.

4. Caller identification (Caller ID) is a telephone service, available in analog and digital telephone systems, including voice over IP (VoIP), that transmits a Caller's telephone number to the called party's telephone equipment when the call is being set up