Brother MFC-5440CN - Manual (Page 159)

A - 3 APPENDIX A
Before you choose the ring pattern to register
You can only register one Distinctive Ring pattern with the MFC.
Some ring patterns cannot be registered. The ring patterns below are
supported by your Brother MFC. Register the one your telephone
company gives you.
■
The MFC will only answer calls to its registered number.
■
The first two rings are silent on the MFC. This is because the fax
must «listen» to the ring pattern (to compare it to the pattern that
was ‘registered’). (Other telephones on the same line will ring.)
■
If you program the MFC properly, it will recognize the registered
ring pattern of the ‘fax number’ within 2 ring patterns and then
answer with a fax tone. When the ‘voice number’ is called, the
MFC will not answer.
Ring
Pattern
Rings
1 long-long
2 short-long-short
3 short-short-long
4 very long (normal pattern)
If the ring pattern you received is not on this chart, please call
your telephone company and ask for one that is shown.