Vertical Communications DSU and DSU II - Manual (Page 80)

8.8 Listening To A Call Over The
Speaker (Group Listening)
You can turn on the telephone speaker while you have the telephone
handset lifted if you wish. The distant party’s voice then sounds over
the telephone speaker as well as the handset; however, only your
handset microphone is active.
•
To do this while on a call,
1. Press and hold SPEAKER for two seconds.
—OR—
press pre-programmed group listening button.
•
To cancel group listening,
1. Press and release SPEAKER to end.
8.9 Making A Call Non-Private
You can make a call non-private using a feature button that you have
programmed. Actual button programming is discussed in a separate
section of this user’s guide. When a call is non-private, other telephones
in the line group can join the call. Privacy returns when the call is
completed.
•
To do this while on a call,
1. Press preprogrammed PRIVACY button.
Using The Other Telephone Features GCA70–245
8–8 LCD Speakerphone Reference Manual