Telephone tapping (or wire
tapping/wiretapping in the US) is the
monitoring of telephone and Internet
conversations by a third party, often by
covert means. The telephone tap or wire tap
received its name because historically, the
monitoring connection was applied to the
wires of the telephone line of the person
who was being monitored and drew off or
tapped a small amount of the electrical
signal carrying the conversation.
wiretapping by the police or other
recognized governmental authority is
otherwise known as lawful interception. Read entire article
Call Display (Caller ID) service. When a call comes in to your line, the number and name of the caller will show on the display. If the incoming caller's number is blocked, "Private" or "Anonymous" will be displayed.