AT&T MERLIN LEGEND Release 3.1 System Programming Manual page 256

Optional Group Features
Procedure: Group Calling Member Assignments
Console Display/Instructions
1 Select the Extensions menu.
2 Go to the second screen of the Extensions menu.
3 Select Group Calling.
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4 Select Members.
5 Enter the extension number of the calling group.
6 Save your entry.
Enter Enter
Select .
3–120
Common Administrative Procedures
Additional Information
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Press More.
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See "System Renumbering" in Chapter 5
for the factory setting for extension
numbers assigned to calling groups.
Dial or type [ nnnn ].
PC