The Call Indicator combines Call Flashlight / Buzzer function with DPL splitter function of a C31; the split Box distributes one digital partyline input signal on XLR 3 pin to three digital partyline outputs on XLR 3pin; an integral Flashlight/Buzzer indicates an incomming call; local configuration allows for assigning the Flashlight and/or Buzzer to dicate incomming calls on Line A and/or Line B; powered over the line or external PSU (C31/PSU).