AT&T AT3111-2 - Manual (Page 24)

Telephone operation
20
Switch between external and internal calls
When on an external call and you wish to make
an intercom call to another system handset
without ending the external call:
1. Press
INT to initiate the intercom feature.
2. The originating handset screen displays
TRANSFER TO:
3. Enter the number associated with the handset
you are trying to intercom to.
4. The originating handset screen displays
CALLING HANDSET X. The destination
handset rings and displays
HANDSET X IS
CALLING.
5. Press INT on the originating handset to
switch between the external call (outside) and
intercom call.
Answer an incoming call during an intercom call
• During an intercom call, there will be an alert
tone to signify an incoming call.
• To answer the incoming call, press /
FLASH
on the handset, and the intercom call will be
ended automatically.
• To terminate the intercom call without
answering the incoming call, press OFF/
CLEAR
on the handset.
Intercom call transfer