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When a call is initially routed or Gosub is called the value in nj.Target is used to pattern match against possible targets in the context.  When a specific target is selected 'nj.DeliveredTo' is set to the value of the Target that matches.

e.g. nj.Target might be: 03 8320 8100 but nj.DeliveredTo might be 03 XXXX XXXX.

The number that was dialed to cause the current call. For an inbound call this will be the DID for an outbound call this will be the no. dialed from the staff members handset.

The dialed no. will not change over the life of a call.

Set by the Trunk through which the call entered the system. Even calls from internal extensions (handsets) enter Routes via a Trunk.

The Realm is used to determine the direction of the call. The system uses the Source realm and the Delivered To realm to determine the direction of the call. The systems ability to determine a calls direction is important when determining whether a call should be recorded for an Account as well as for general reporting purposes. It should be noted that superficially it would appear to be quite easy to determine a calls direction however in practices it can be quite complicated as a call can actually changed direction mid way through the call.

Realms are INTERNAL,EXTERNAL

Set by the core routing each time a call is originated. For inbound calls this is the caller id, for calls dialed from a handset this is the handset extension no.

Call

The target typically starts out with the same value as the 'nj.DialedNo' but unlike nj.DialedNo the variable nj.Target is updated each time the Gosub command is called. nj.Target is updated to match the second argument of the Gosub command (context, target).

When a Gosub returns it will reset the nj.Target variable to the value it was before Gosub was called.