AT&T System 25 - Manual (Page 23)

Pickup
Pickup allows you to answer a call that is ringing at another
telephone. All single-line telephones have this feature. In
addition, your System Administrator may notify you that you
have been assigned to a pickup group. In this case, calls are
picked up differently within your assigned group.
Picking Up Calls
1 Listen for dial tone, then press * 7 .
❑ ❑
2 Dial the extension number of the ringing telephone.
Picking Up Calls in Your Pickup Group
❑
1 Listen for dial tone.
2 Press * 7 0 .
❑ ❑ ❑
20