57Operating-Way of Call Retrieval on Error TonesSYS_5_4_[X]X: the Operating-Way option that determines how EVM retrieves the call on the Error tone intransferring a call (Default=1) SYS_6_2 determines the feature code the operating way may include.Operating-Way of Call Retrieval on Busy TonesSYS_5_5_[X]X: the Operating-Way option that determines how EVM retrieves the call on the busy tone intransferring a call (Default=1) SYS_6_2 determines the feature code the operating way may include.Operating-Way of Call Retrieval on Ringback TonesSYS_5_6_[X]X: the Operating-Way option that determines how EVM retrieves the call on the ringback tonein transferring a call (Default=1) SYS_6_2 determines the feature code the operating-way may include.Operating-Way of MLON Control CommandsSYS_5_7_[X]X: the Operating-Way option that determines how EVM sends out MLON Control Commandsthrough the specified Line ports (Default = 8) SYS_6_6 is used to specify the feature code (the MLON Code of MLON Control Command).Operating-Way of MLOFF Control CommandsSYS_5_8_[X]X: the Operating-Way option that determines how EVM sends out MLOFF ControlCommands through the specified Line ports (Default = 8). SYS_6_7 is used to specify the feature code (the MLOFF Code of MLOFF Control Command).Operating-Way of Call PickupSYS_5_9_[X]X: the Operating-Way option that determines how EVM retrieves the call when a Call Pickuptimer expires (Default=8) SYS_5_9_[8] and ADM_5_9907_[empty]: the Call Pickup feature is not used. ADM_5_9907 determines the feature code the operating-way may include. SYS_2_7 determines the time length of a Call Pickup Timer. EVM-8X uses only the ports of L1, L3, L5 and L7, to access the Call Pickup feature.