Method of Listening in on a Telephone Conversation

This page is the CodyCross answer for the clue below from Campsite Adventures, Group 822, Puzzle 2 (Ground Stakes).

Question is: Method of Listening in on a Telephone Conversation

and the answer is: WIRETAP

Word Meaning:

WIRETAP — A connection installed on a telephone line or other communications system in order to allow a third party to conduct covert surveillance of conversations.

Definitions from Wiktionary.

Method of listening in on a telephone conversation — CodyCross Answer | CodyCross Solutions