Go On Hook
(Hang up the telephone handset)
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4 |
3 |
2 |
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Flash |
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5 |
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1 |
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1 is dialed |
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6 |
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7 |
8 |
9 |
0 |
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Once dialing 1 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 once causing the
third selector switch in your central office to make one
vertical step and then hunts across the first level for an idle
trunk to the information switchboard.
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