AT&T MERLIN LEGEND Release 2.0 Analog Direct-Line Console Operator's Manual page 42

Quick Start
To Transfer to an Outside Number
1. Press Transfer.
The call is put on hold automatically.
Press a line button to get an outside line, or press an
2.
SA button and dial the dial-out code.
You hear a dial tone.
Dial the outside number.
3.
2-10 Transferring a Call
If the person is available, hang up.
The call is transferred.
If the person is unavailable, return to the caller
by pressing the SA or line button with the held
call.