Brother MFC-3100C - Manual (Page 43)

A S S E M B L Y A N D C O N N E C T I O N S 2 - 16
BHLMFC-US-MFC3100C-FM5.5
Custom Features on Your Phone Line
If you have Voice Mail, Caller ID, Call Waiting, Call Waiting/Caller ID,
RingMaster, an answering service, an alarm system or other custom feature on
one phone line, it may create a problem with the operation of your MFC.
(See
Custom Features on a Single Line , page 20-8.)