Status MessageSpecifies whether the Status Message is sent to the network.Value RangeNo Transmission: Status Message is not sent.When error detection (Mandatory): Send the Status Message when an error (Mandatory) is detected.When error detection (Option / Mandatory): Send the Status Message when an error (Option or Mandatory) isdetected.Maintenance Console Location9.26 PBX Configuration—[1-1] Configuration—Slot—Port Property - PRI PortStatus ReceiveSelects what happens to a call when the Status Message from the network does not match the actual statusof the call.Value RangeIgnore: Ignore the Status Message from the network.Disconnect: Disconnect the call.Maintenance Console Location9.26 PBX Configuration—[1-1] Configuration—Slot—Port Property - PRI PortCRC4 ModeEnables the use of CRC4 for error checking. CRC (Cyclic Redundancy Check) is an error checking controltechnique that uses a specific binary prime divisor that results in a unique remainder. It is usually a 16- to32-bit character. (Assignable only when using the PRI30 card.)Value RangeDisable, EnableMaintenance Console Location9.26 PBX Configuration—[1-1] Configuration—Slot—Port Property - PRI PortCO SettingCO Setting parameters are not applicable to ports assigned as Extension in Port Type.The Shelf, Slot, and Port for each item are displayed for your reference. For details, see CommonProgramming Reference Items in 9.1 PBX Configuration—[1-1] Configuration—Slot.Port TypeSelects the port type.Note• Each ISDN connection in a QSIG network must have a master port on one PBX and a slave port onanother PBX.380 PC Programming Manual9.26 PBX Configuration—[1-1] Configuration—Slot—Port Property - PRI Port