Konica Minolta bizhub 421 - Manual (Page 257)

501/421/361 9-40
Administrator mode settings 9
Line Parameter Setting - Number of RX Call Rings
Specify the count of recalling signals that can be received before the data is received in a range of 0 through
15 times (Default: 2 x).
Line Parameter Setting - Line Monitor Sound
Specify this item to "ON" to hear the line sound from a speaker during communications on an extension line.
Line Parameter Setting - Line Monitor Sound volume
Set up the speaker with the loudness level of 0-31 (initial value: 16).