SAMSUNG System Administration and Special Features GuideDCS-816 February, 1999iTABLE OF CONTENTSABOUT THIS PARTPART 1. SPECIAL FEATURES1.1 NIGHT SERVICE OPERATION ............................................ 1-11.2 AUTOMATIC NIGHT SERVICE ............................................ 1-11.3 MANUAL NIGHT SERVICE .................................................. 1-11.4 CALLING THE SYSTEM OPERATOR ................................ 1-11.5 OPERATOR RECALLS ........................................................ 1-11.6 EXECUTIVE BARGE-IN ....................................................... 1-21.7 WALKING CLASS OF SERVICE .......................................... 1-21.8 IN/OUT OF GROUP .............................................................. 1-21.9 DIRECT INWARD SYSTEM ACCESS (DISA) ...................... 1-31.10 DISA SECURITY .................................................................. 1-31.11 FORCED ACCOUNT CODES .............................................. 1-41.11-1 USING FORCED ACCOUNT CODES ............................ 1-41.12 AUTHORISATION CODES ..................................................... 1-41.12-1 USING AUTHORISATION CODES ................................. 1-4PART 2. CALLING LINE IDENTIFICATIONPRESENTATION(CLIP) SPECIAL FEATURES2.1 INVESTIGATE .......................................................................... 2-12.2 ABANDON CALL LIST (100) .................................................... 2-12.3 NUMBER TO NAME TRANSLATION (200) ............................. 2-1