Distinctive Ringing
5.Press a key of the type you selected above. You see (example for Line Key 01 shown below):
–Dial 
to select Ring Type A.
–Dial 
to select Ring Type B.
–Dial 
to select Ring Type C.
–Dial 
select Standard (i.e., normal ringing for this type of call).
6.Press another key to program or 
exit.
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