In this example, calls received on trunk 01 are routed to the DISA OGM with floating extension number 501.If the number of the received call (after modification according to the Caller ID table) is "12341115678", thecall originator is recognised as extension 200, and the Walking COS feature is automatically activated.System programming is required to enable this feature.SMDRThe call information for DISA is recorded as the one of the DISA floating extension numbers. (®1.26.1.1 Station Message Detail Recording (SMDR))[Flowchart]A DISA call from an outside party is received.NoIs there a port available?YesThe PBX answers the call.The OGM plays and the PBX starts toreceive the DTMF signalling.YesThe OGM stops.NoIs a second digit dialled?Is the first digit dialled?YesIs the first dialled digit assigned adestination for the DISA AA service?The call is routed to the destination.YesThe PBX receives the dialleddigits and checks the diallednumber.NoWhat is the DISA security mode?Continued on next pageFAThe call is routed to an operator,etc. (DISA Intercept when AllDISA Ports are busy)(DISA Mute & OGM Start Timeafter Answering expires)(DISA DelayedAnswer time expires)(DISA Second Digit Time forAutomated Attendant expires)NoWhat method is assigned forDISA Intercept Routing No Dial?Operator Disable AA-0, AA-9The call isdisconnected.The call is redirected tothe destination assignedto AA-0 or AA-9.The call is routed to anoperator.(DISA First Digit TimeWhen No Dial expires)C C198 Feature Guide1.17.6 Direct Inward System Access (DISA)
