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Compare the first digits assigned to this system with the default numbering
plan as shown in the "Default numbering plan" on page 292.
•
If the first digit is in the unused range, change the first number in the
default numbering plan. To do this, follow the instructions in the section
of this Chapter called "Changing the first number in the numbering plan"
on page 346.
•
If the first digit is being used by Meridian Mail, trunk routes, or other
data, you must remove these interferences. Follow the instructions found
later in this chapter in the section called"Removing numbering plan
interferences" on page 350.
To change the first number in the numbering plan perform the following
procedure:
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4
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6
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7
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8
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