Chapter 4 - Station Features Q 53sound source than Music-On-Hold (MOH), but it can only use different sound sources when usedwith the CPC-HM.Applications:• One sound source for employees (BGM, typically music), another for callers (MOH,such as recorded advertisements).BUSY OVERRIDE (“BARGE-IN”)Description:An extension user can barge into a call on another extension, whether it’s an outside or intercomcall. Phones set to Do-Not-Disturb (DND) can also be barged into; see DO NOT DISTURB formore information.When a barge-in occurs, a 3-party conference call is created; all three parties can hear eachother and talk to each other. There are two ways to barge-in on a call:U Extension Busy Override, where the user dials the extension, gets busy tone, and dials acode to barge-in.U CO Key Busy Override, where the user presses the lit CO line key on his/her phone thatrepresents the call in progress.You can program the DBS 576HD to send an alert tone to all parties when the barge-in occurs.You can also allow/block the phone’s ability to perform this feature based on the phone’s Class ofService assignment (see CLASS OF SERVICE RESTRICTION in Chapter 3 - System Featuresfor more information).Benefits:• Allows operators, secretaries, bosses, etc. to interrupt calls in progress with urgentinformation or other calls that need to be answered.• Provides a way to establish a 3-party conference between two users and an outsideparty, or among three users.CALL DURATION DISPLAYDescription:The length of a call in progress (minutes and seconds) is tracked and displayed on the phone’sLCD.Benefits:• Users can tell how long they’ve been on a call -- and what the SMDR report is goingto show for that call.CALL FORWARDINGDescription:Call Forwarding allows users to automatically send their calls to another extension, to an outsideline, or to voicemail. There are several different types of call forwarding that can be set:U All CallsU If BusyU If No AnswerU If Busy or No AnswerU Call Forward/Outside