Intercom Calls - AT&T 5643B User Manual

91-000832_E5644B CIB_R4.qxd 2/13/1950 7:21 PM
Telephone Operation

Intercom calls

Intercom calls
The intercom feature allows you to have conversations
between the handsets.
Press the
INTERCOM
intercom call. Then after entering the number of the
handset you wish to call, your handset will call the
other handset.
Press ,
PHONE INTERCOM
on the handset being called to enter intercom mode
with the first handset.
To end the intercom call:
• Press or
OFF INTERCOM
• Place the handset in the charger or base.
NOTE: The intercom feature cannot be utilized while a handset is in the
directory or call log. Pressing INTERCOM while on an outside call will initi-
ate Call Transfer (see page 16).
Handling incoming calls
The phone will beep if you receive an outside call during
an intercom conversation. You can either:
• Press to end the intercom call and answer
PHONE
the incoming call.
OR
• Press
INTERCOM
connection without answering the incoming call. The
incoming call will continue to ring.
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button on a handset to initiate an
, or any dial pad key
SPEAKER
at the handset.
or to disconnect the intercom
OFF