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Managing Extension Lists 61
a Select the extension from the Extensions in List scroll list.
b Enter a priority number in the text box below the list (from a high
of 1 through a low of 99).
c Click the Change Priority in List button.
The new priority appears as the number to the left of the item within
square brackets. The default value is 50. When the system accesses an
extension list, it first attempts to use the highest priority extension.
9 Click OK to enable your changes and leave the dialog box.
Example: If the extension list contains extensions that are assigned to
T1 channels, you can assign unique priorities to each extension. If you
instruct the system to place an outgoing call using the T1 line, it attempts
to use the highest priority extension/channel first, and, if the first is
unavailable, tries the next highest priority extension/channel, and so on.
Priorities range from 1 (highest) through 99 (lowest).
CAUTION: If you add an extension list, you must change the dial plan
configuration file to create a destination route to the new list. This
arrangement enables the system to route calls to the new list.
Modifying an
Extension List
To modify an extension list:
1 On the Extension Lists tab, select an extension list.
2 Click Modify. The Modify Extension List dialog box appears.
3 To modify the name of the Extension List, edit the contents of the Name
text box.
If you change the name of an extension list, you invalidate any aspect
of the dial plan that refers to the name. You must change all references
to the extension list name in the dial plan configuration file. If you made
your changes using an editor (as opposed to modifying the dial plan from
within the NBX NetSet utility), you must reimport the dial plan.
4 If you want calls to cycle through the extensions in the list, check the
Cycle Extensions checkbox. Each time that the system accesses the
extension list, it uses the next extension in the list. This arrangement
effectively progresses through the list to balance the load of calls. If Cycle
Extensions is not checked, the extension selection always starts from the
top of the list.