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Go On Hook
(Hang up the telephone handset)
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Dial the Fourth
Digit... |
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4 |
3 |
2 |
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Flash |
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5 |
 |
1 |
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3 is dialed |
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6 |
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7 |
8 |
9 |
0 |
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Once dialing 3 and letting go of the
dial, it spins to the normal position. This action causes
the the dial to open and closes the line loop three times
causing the third selector switch in your central office to make
three vertical steps, and then it hunts across the level to an idle trunk
to a second selector switch.
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