AT&T 7402 - Manual (Page 24)

To end a call (while
handset is on-hook and
only speaker is active) 1 Press Speaker
Transfer
To send present call to
another extension or
outside number 1 Press Transfer [dial tone]
Present call put on hold and you are given a new
idle line appearance
2 Dial extension or number to which the call is to be
transferred
[ringback tone]
Remain on the line and announce call if desired;
if no answer or number dialed is busy, return to
held call by pressing its call appearance
xxxxx
3 Press Transfer again
Call is sent to dialed extension or number
4 Hang up or press Drop
Test
Note: If both call appearances are in use, you will not be able to use this feature.
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