3.1 Incoming Call Features3.1.1 Calling Line Identification (CLI) Distribution & Call BlockDescriptionDirects an incoming Trunk line call to a preprogrammed destination when the caller's identification number(e.g., Caller ID) matches the number in the System Speed Dialing Table that is used as the Caller ID Table.Each Caller ID number (telephone number for each System Speed Dialing number) can have its owndestination.If an incoming call does not notify a Caller ID, it is possible to refuse reception (Call Block).Caller ID ModificationReceived Caller ID is modified in the following steps:1. Caller ID Modification by Length of DigitsPre-programmed numbers (max. 6 digits) can be added to the front of the Caller ID if the Call ID ofdigits received from the network is within the range below:• International: 12 digits or more (default)• National: 8 digits (default) to 11 digits (1 value removed from International)[Example]• Minimum Caller ID Digits (International): 12• Added Number (International): 001Before modification: 81-50-1234-5678↓After modification: 00181-50-1234-5678 (Add "001")2. Caller ID Modification by leading numbersAfter the Caller ID is modified by the Length of Digits, the PBX checks the leading numbers of themodified number for an area code programmed in Caller ID Modify Table in Web MaintenanceConsole. If it finds such a code, it removes digits and adds a number to the modified number.[Example]• Area Code: 00181• Removed Number of Digits: 5• Added Number: 0Before modification: 00181-50-1234-5678↓After modification (1): 50-1234-5678 (remove "00181")↓After modification (2): 050-1234-5678 (Add "0")3. Adding the Idle Line Access (Local Access) numberAfter the Caller ID is modified by the leading numbers, the Idle Line Access number (Idle Line Access(Local Access) - 1) is added to the modified number. (Refer to 2.1.1 Feature Number Lists for User)[Example]• Idle Line Access (Local Access) number: 93.1 Incoming Call Features20 Feature Manual