Specifications

Section Title.......................................................................................................... Page
3.9 Account Codes..........................................................................................3–86
3.9.1 Account Code Length...........................................................................3–86
3.9.2 Account Code List................................................................................3–87
3.9.3 Enabled or Disabled Account Codes....................................................3–88
3.9.4 Forced or Optional Entry Account Codes ............................................3–88
3.9.5 Message Display Time For Account Codes .........................................3–90
3.9.6 Verified Account Code Entry...............................................................3–91
3.10 The Industry-Standard Telephone Interface ........................................3–92
3.10.1 IST Station Port Line Assignment........................................................3–92
3.10.2 IST Distinctive Ringing........................................................................3–94
3.10.3 IST Through Dialing ............................................................................3–94
3.11 Direct Department Calling......................................................................3–95
3.11.1 Access Codes For Direct Department Calling......................................3–96
3.11.2 Line Ports For Direct Department Calling ...........................................3–96
3.11.3 Station Ports For Direct Department Calling .......................................3–97
3.11.4 Unanswered Call Transfer Recall Time
For Direct Department Calling.............................................................3–98
3.11.5 Call Forward On Ring—No Answer....................................................3–99
3.12 Direct Inward Station Dialing...............................................................3–100
3.12.1 Dial Time Limit..................................................................................3–100
3.12.2 Inhibiting DISD Digit Dialing............................................................3–101
3.12.3 DISD Assist Station............................................................................3–101
3.12.4 DISD Incoming Rings ........................................................................3–102
3.12.5 Enable/Disable Call Waiting Tone.....................................................3–102
3.13 Data Printer Service...............................................................................3–103
3.13.1 Enable Data Printer Operation............................................................3–103
3.14 Voice Mail Interface...............................................................................3–104
3.14.1 Voice Mail Port ..................................................................................3–105
3.14.2 Automatic Transfer of Voice Mail .....................................................3–108
3.14.3 Voice Mail Line ID.............................................................................3–108
3.14.4 Voice Mail Transfer on Busy .............................................................3–109
3.14.5 Transferring Callers To Voice Mail ...................................................3–109
3.14.6 Positive Disconnect Supervision ........................................................3–110
3.14.7 Voice Mail Pause................................................................................3–110
IMI66–132 DSU II Digital Telephone System
3 – 4 Programming The DSU II System