3Com 3C10402B Administrator's Manual page 289

Virtual Tie Line (VTL) extensions
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Voice mail port extensions
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Call Park extensions
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Paging extensions
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The Convert Extensions feature helps you in the larger task of converting
a dial plan between 3- and 4-digits. To perform a complete a dial plan
conversion, you must also manually convert any existing extensions for
these extension types:
External extensions (Analog Line Card ports, Analog Terminal Card
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ports, and Digital Line Card channels extensions)
Internal extensions, which includes TAPI Route Point extensions
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H323 Gateway extensions
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Hunt Group and Automatic Call Distribution Group extensions
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To convert a dial plan between 3- and 4-digits, follow these steps:
1 If the conversion is part of a hardware upgrade:
a Install the new hardware.
b Install new licenses on the new system. You cannot move licenses
from the old system to the new system. Licenses keys are tied to a
system (hardware) ID number.
2 If you are upgrading your hardware, migrate your data from the old
system to the new system. For details about data migration, see
"Migrating Data" on page
3 Click Dial Plan > Configure.
4 Make sure the system is set up for the type of dial plan you want. For
example, if you are converting an existing system from a 3-digit to a
4-digit dial plan, import the 4-digit dial plan. The 4-digit dial plan is the
default dial plan for V3000, V3001R, and V5000 systems.
5 Click Convert Extensions.
The system automatically converts existing extensions of these extensions
to conform with the dial plan (3-digit or 4-digit) that is currently installed
on the system:
Call Park extensions
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Voice mail port extensions
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88.
Managing Extensions 289