AT&T MERLIN LEGEND Release 3.0 Programming Summary Manual page 333

Copy Extension
Use the procedure below to copy programming from one extension to
another.
Console Procedure Dial copy from ext. no.
Copy Ext Enter
Dial copy to ext. no.
Enter Exit
PC Procedure
[F2] Type copy from ext. no. [F10] Type
copy to ext. no. [F10] [F5]
Centralized Telephone Programming 23-13