Brother MFC-8510DN - Manual (Page 117)

Troubleshooting
109
B
Setting Dial Tone detection
B
Setting the Dial Tone to Detection will
shorten the Dial Tone detect pause.
a
Press Menu, 0, 4.
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.
Note
VoIP (Voice over IP) is a type of phone
system that uses an Internet connection,
rather than a traditional phone line.