comms#switching_object__switchingobject
  supertype:  comms#comms_object  #switch
  subtype:  comms#toll_switch
  subtype:  comms#office_switch
  subtype:  comms#tandem_switch
  subtype:  comms#router
  subtype:  comms#PBX  public branch exchange
  subtype:  comms#international_gateway  international switch

No statement uses or specializes comms#switching_object; click here to add one.