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

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