39
Intercom
Use the intercom feature for conversations between handsets. You can buy 
additional expansion handsets (model AT&T CL80100) for this telephone 
base. You can register up to 12 handsets to the telephone base.
The first nine handset that you register are named HANDSET 1-9. Use the 
handset number to initiate intercom and transfer calls. 
Although the names for handsets 10-12 appear in their displays as 10-12, 
when you intercom or transfer to one of them, you must use *0 for  
HANDSET 10, *1 for HANDSET 11, and *2 for HANDSET 12. 
Using a cordless handset:
1. Press INT on your handset when not in use.
If you have a single handset system, your handset 
screen shows Calling base. The telephone base rings 
and its screen shows HANDSET is calling. 
If you have more than one handset, your screen shows 
INTERCOM TO: Use the dial pad keys to eenter a 
handset number. Your handset screen shows  
Calling HANDSET X. The called handset rings and its 
screen shows HANDSET X is calling. 
-OR- 
Enter 0 to intercom with the telephone base. The screen shows CALLING 
BASE. The telephone base rings and its screen shows HANDSET X is calling.     
2.  To answer the intercom call, press   PHONE/FLASH, INT,  
/SPEA�ERSPEA�ER or any dial pad keys (0-9, TONE  , #) on the 
called handset. Both handsets now show Intercom. 
-OR- 
Press SPEA�ER  , INTERCOM or any dial pad keys (0-9,  
TONE  , #) on the telephone base, or lift the corded handset  
to answer the intercom call. 
3. To end the intercom call, one party presses   OFF/CLEAR 
or INT on either handset, or places the handset back in the 
charger. The other party hears four beeps. Both handsets 
display Intercom ended. 
-OR- 
Press INTERCOM or CANCEL on the telephone base 
if you are using speakerphone mode, or return the 
corded handset to the telephone base. The other 
party hears four beeps. Intercom ended appears on 
both handset screen and telephone base screen.
NOTES:
1.  Before the intercom call is answered, you can cancel it by pressing   OFF/CLEAR or INT on 
the calling handset. 
•
•
Multiple handset use
Calling  
base
HANDSET
is calling
Intercom
11:35
AM
   12/02
Intercom ended
11:45
AM
   12/02
Intercom ended
11:45
AM
   12/02