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Appendix
Expansion handset
Your new AT&T CL84100/CL84200/CL84250/CL84300/CL84350 telephone 
system can accommodate up to 12 handsets. You can add new handsets 
(AT&T CL80100, available separately) to your telephone system, but must 
register each device with the telephone base before use (see page 69). 
The handset with the CL84100 is named HANDSET. You can register up to 11 
additional handsets to the telephone base, and they are assigned numbers in 
sequential order (HANDSET 2, HANDSET 3, HANDSET 4 and so on).
The handsets that come with the CL84200 or CL84250 are HANDSET 1 and 
HANDSET 2. You can register up to 10 additional handsets to the telephone 
base, and they are assigned numbers in sequential order (HANDSET 3, 
HANDSET 4, HANDSET 5 and so on).
The handsets that come with the CL84300 or CL84350 are HANDSET 1, 
HANDSET 2 and HANDSET 3. You can register up to nine additional handsets 
to the telephone base, and they are assigned numbers in sequential order 
(HANDSET 4, HANDSET 5, HANDSET 6 and so on).