Issue 1.0 UNIVERGE SV81002 - 216 Program 20 : System Option SetupDescriptionUse Program 20-09 : Class of Service Options (Incoming Call Service) to definethe incoming call feature availability for each extension Class of Service (COS).Program 20 : System Option Setup20-09 : Class of Service Options (Incoming Call Service)Level:INInput DataClass of Service Number 01~15ItemNo. Item InputDataDefaultRelatedProgramCOS01~14COS1501 Second Call for DID/DISA/DIL/E&M OverrideTurns off or on the extension ability to receive asecond call from a DID, DISA, DIL, or tie linecaller. With this option set to 1, the destinationextension must be busy for a second DNIScaller to ring through. If the destinationextension does not have a trunk or CAPkey available for the second call and aprevious call is ringing the extension buthas not yet been answered, the secondcaller hears busy regardless of thisprogram setting.0 = Off1 = On1 102 Caller ID DisplayTurns off or on the Caller ID display at anextension.0 = Off1 = On 0 0 15-02-0803 Sub Address IdentificationDefines whether or not an extension displaysthe Caller Sub-Address.0 = Off1 = On 0 004 Notification for Incoming Call List ExistenceDetermines whether or not an extension displayshows Check List when an incoming call ismissed by a user.0 = Off1 = On 0 0 20-09-02
