5.5  Barring 
This feature is used to define a room's terminal barring by default (international, national, local or 
prohibited calls): 
  Hotel (Hotel programmed key). 
  DefaultValue. 
  Barring. 
  Choice (consecutive presses). 
  Validate. 
5.6  Currency 
This feature is used to enter the currency of the country: 
  Hotel (Hotel programmed key). 
  DefaultValue. 
  Currency (Money). 
  Validate. 
5.7  Do not disturb 
This is used to activate (or deactivate) the DND feature by default: 
  Hotel (Hotel programmed key). 
  DefaultValue. 
  DoNotDisturb. 
  Choice (consecutive presses). 
  Validate. 
5.8  Taxation parameter 
  Hotel (Hotel programmed key). 
  DefaultValue. 
  GuestParam (GstPar). 
  Cost or UnitT. 
  Cost 1, cost 2, cost 3: enter the 3 basic tax values. 
OvLoad: enter the additional cost assigned to the communications made 
by reception and transferred to room terminals and 'public phones'. 
  Threshold 1, threshold 2: enter the 2 thresholds for the 2nd and 3rd basic 
tax value. 
Beep: metering credit threshold which causes a beep for each credit 
received.