Section 700 - Operation Chapter 3. System FeaturesICX-40-700 ICX (International) issued December 1999 3-41• DID Day/Night Busy/Delayed Ringing• Busy Lamp Field (BLF) Ringing• BLF Delayed Ringing• Slide Ringing• Alarm RingingDay 1/ Day 2/Night RingingWhen the System is in Day 1 mode, calls can be directed to ring at one or more extensions or at a huntgroup per the Day 1 ringing assignments.When the System is in Day 2 mode, calls can be directed to ring at one or more extensions or at a huntgroup per the Day 2 ringing assignments.When the system is in Night mode, call can be directed to ring at one or more extensions or at a huntgroup per the Night ringing assignments.Inbound calls can be directed to desired normal daytime locations by setting the system into a Daymode. By having a second day mode (Day 2) alternative call handling is available during dayoperation. For instance, during lunch, calls can be directed to an alternative position.Calls can be directed specific night locations when the system is set to Night mode.For more information on Day Ringing, see “Day/Night System Mode” on page 3-18.Day 1/ Day 2/Night Delayed RingingDelayed Ringing causes an incoming outside call that is unanswered at a primary extension within acertain period of time, to ring at a designated extension or extensions. Delayed ringing destinationscan be set for Day 1, Day 2 and Night modes. CO/Exchange line Delayed Ringing is also available forhunt group pilot numbers.DID Day/Night RingingIncoming DID calls can be set to ring at day destinations when the system is in day mode and ring atnight destinations when the system is in night mode.DID Day/Night Busy/Delayed RingingDID Day/Night Busy/Delayed Ringing causes an incoming DID call to a busy primary extension toring at a designated extension or extensions. DID Busy/Delayed Ringing also causes an incomingDID call that is unanswered at a primary extension within a certain period of time, to ring at adesignated extension or extensions. Separate ring destinations are available for day and night modes.DID Busy/Delayed Ringing is also available for hunt group pilot numbers. However, when theQueuing Timer expires, the call leaves the hunt group and is forwarded to the DID Busy/DelayedRinging destination.Considerations• Call Forwarding takes priority over DID Busy/Delayed Ringing• If the call is part of a hunt group and the Queuing Timer expires, the call is forwarded to the DIDBusy/Delay Ringing destination. (See “DID Day/Night Busy/Delayed Ringing” on page 3-41.)