AT&T Classic Mail Voice Messaging System - Manual (Page 10)

Figure 1A: Typical
Merlin telephones.
You should also know how to perform these basic phone
operations:
● Answer an outside call
● Call another intercom
● Transfer an outside call
Your phone should resemble one of the phones in Figure
1A. The number and types of buttons will vary depending
upon the model of phone system and the types of phone
sets you have. There should be voice mail labels on the
buttons similar to the one shown in Figure 1B for lines
that are assigned to the CLASSIC MAIL system.
CLASSIC MAIL System Mailbox User Guide