Components and its function:

• Tip is where the voltage in
• Protection is where the voltage reduced
• Ringer is where the the sounds come from
• hook switch will be closed when the calling in
• Hybrid is for Synchronize between microphone and speaker
• Source:T101 Telecom 101 – 4th edition 2016
  7″ x 9″ softcover book • 488 pages • 4th edition • published 2016
  ISBN 9781894887038 (print)   ISBN 9781894887786 (eBook)