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Setting Dial Tone detection B
Setting the Dial Tone to Detection will 
shorten the Dial Tone detect pause.
a (USA) Press Menu, 0, 4.
(Canada) Press Menu, 0, 5.
 
04.Dial Tone
a Detection
b No Detection
Select ab or OK
b Press a or b to choose Detection or 
No Detection.
Press OK.
c Press Stop/Exit.
Telephone line interference / 
VoIP B
If you are having difficulty sending or 
receiving a fax due to possible interference 
on the telephone line, we recommend that 
you adjust the Equalization for compatibility 
to reduce the modem speed for fax 
operations.
a Press Menu, 2, 0, 1.
 
20.Miscellaneous
1.Compatibility
a High
b Normal
Select ab or OK
b Press a or b to choose High, Normal or 
Basic(for VoIP).
 Basic(for VoIP) reduces the 
modem speed to 9600 bps and turns 
off ECM (error correction mode). 
Unless interference is a recurring 
problem on your telephone line, you 
may prefer to use it only when 
needed.
To improve compatibility with most 
VoIP services, Brother recommends 
changing the compatibility setting to 
Basic(for VoIP).
 Normal sets the modem speed at 
14400 bps.
 High sets the modem speed at 
33600 bps.
Press OK.
c Press Stop/Exit.
VoIP (Voice over IP) is a type of phone 
system that uses an Internet connection, 
rather than a traditional phone line.