System OverviewFeature AvailabilityStrata DK Feature Description 5/99 5CO Line Queuing Std Std Std Std Std StdComputer TelephonyIntegration (CTI) Opt Opt Opt Opt Opt OptConferencing 4 Party 4 Party 4 Party 4 Party 4 Party 4 PartyCredit Card Calling(“0+” Dialing) Std Std Std Std Std StdDelayed Ringing Std Std Std Std Std StdDialed Number ID Service(DNIS) N/A Opt Opt Opt Opt OptDirect Inward Dialing (DID) N/A OPT OPT OPT OPT OPTDirect Inward SystemAccess (DISA) Opt Opt Opt Opt Opt OptDistinctive CO Ringing Std Std Std Std Std StdDoor Lock Control Opt Opt Opt Opt Opt OptDual-tone Multi-frequency(DTMF) and Dial PulseCompatibleStd Std Std Std Std StdDTMF Signal Time Setting(160/80 ms) Std Std Std Std Std StdEnd-to-End Signal Tones Opt Opt Opt Opt Opt OptE911 Enhanced Operation Opt Opt Opt Opt Opt OptFCC Registration(Key, Hybrid) Std Std Std Std Std StdFCC Registration (PBX) N/A N/A Std Std Std StdFlash Timing Programmable Std Std Std Std Std StdFlexible Button Assignment Std Std Std Std Std StdFlexible IntercomDN Numbering Std Std Std Std Std StdFlexible Line RingingAssignment Std Std Std Std Std StdFlexible Slot Assignment N/aOpt(ExpansionCabinet)Std Std Std StdGround Start Lines N/a Opt Opt Opt Opt OptHotline Service (EmergencyRingdown) N/A N/A Std Std Std StdInternal Call Hold Std Std Std Std Std StdInternal Call Transfer Std Std Std Std Std StdISDN Basic Rate Interface N/A Opt Opt Opt Opt OptISDN Primary Rate Interface N/A N/A N/A Opt Opt OptLeast Cost Routing (LCR) Std Std Std Std Std StdLive System Programming Std Std Std Std Std StdMessage Waiting (MW) DKT Std Std Std Std Std StdTable 3 Strata DK System Feature Availability(continued)Feature DK14 DK40i DK424RCTUADK424RCTUBA/BBDK424RCTUC/DDK424RCTUE/FStd = StandardOpt = OptionalN/A = Not Available
