The Telephone Set

1
The Telephone Set
2
The Telephone Set Objectives

• Chapter 4 Objectives
• Explain how the telephone set works
• Name the different components inside the
  telephone set
• Describe how we initiate a call in the network
• Discuss the way the set creates the connection to
  the telephone company
• Explain why the Telephone Companies want to
  replace the older telephone sets
• Describe what is meant by Tip and Ring
• Describe why the telephone company wants to
  complete the call on the first attempt whenever
  possible

3
The Telephone Set Function and Components

• The sacred tel set belonging to the phone company
• Function
• Convert sound into electricity (fig. 4-1)
• Convert electricity back into sound (fig.4-2)
• evolution from hand cranked
• Pieces (components) (fig. 4-5, f.)
• Base
• Handset
• Transmitter
• Receiver
• Connector, handset cord
• Side tone
• Inside of the Telephone (Fig. 4-13)
• Switch hook
• Dial pad, rotary, touch-tone
• Ringer
• Tip and ring

4
The Telephone Set Newer Sets

• Converts sound into electrical wave

5
The Telephone Set Newer Sets

• Converts electrical wave back into sound

6
The Telephone Set Newer Sets

• Crank, generate signal to operator

7
The Telephone Set Newer Sets
Potpourri of phones evolved
8
The Telephone Set Pieces

• Base
• Handset

9
The Telephone Set Newer Sets

• Older Models
• Transmitter/receiver
• two wires inside

10
The Telephone Set Newer Sets

• Transmitter
• Receiver
• electromagnet

Air pressure against Ear drum
11
The Telephone Set Inside

• Four wires, hybrid arrangement

12
The Telephone Set Dial Pad

• Rotary Dial Pad
• Touch-Tone
• Phone

13
The Telephone Set Newer Sets

• Analog vs. digital sets, features
• Speed dialing
• Call hold
• Call transfer
• Conference call
• Redial last number
• Built-in speakerphone
• Hands-free dialing
• Displays

14
The Telephone Set Newer Digital Versions

• Feature-Rich Sets