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
How to use 3-Way Calling 1). To add a third person to your conversation, ask your first caller to hold. Press your receiver, link or flash button for one second and listen for three short beeps, followed by a dial tone. Then dial the number of the third person.