#telecommunication  (often plural) systems used in transmitting messages electronically
  supertype:  medium.means  a means or instrumentality for communicating
  subtype:  telephone  transmitting speech at a distance
     subtype:  telephone_call__telephonecall__call__phone_call__phonecall  a telephone connection; "she reported several anonymous calls"; "he placed a phone call to London"; "he heard the phone ringing but didn't want to take the call"
        subtype:  call-back.telephone_call__callback  a return call
        subtype:  collect_call__collectcall  a telephone call that the receiving party is asked to pay for
        subtype:  crank_call__crankcall  a hostile telephone call (from a crank)
        subtype:  local_call__localcall  a telephone call made within a local calling area
        subtype:  long-distance_call__long-distance__trunk_call__trunkcall  a telephone call made outside the local calling area
           subtype:  toll_call  a long-distance telephone call at charges above a local rate
        subtype:  conference_call  a telephone call in which more than two people participate
           subtype:  three-way_calling__threewaycalling  a way of adding a third party to your conversation without the assistance of a telephone operator
     subtype:  call_forwarding  lets you transfer your incoming calls to any telephone that you can dial direct
     subtype:  call_waiting  a way of letting you know that someone else is calling when you are using your telephone
  subtype:  telegraphy  communicating at a distance by electric transmission over wire
  subtype:  wireless  transmission by radio waves
     subtype:  radiotelegraph__radiotelegraphy__wireless_telegraphy  telegraphy that uses transmission by radio rather than by wire
     subtype:  radiotelephone__radiotelephony__wireless_telephone  telephony that uses transmission by radio rather than by wire
  subtype:  broadcasting  taking part in a radio or tv program
     subtype:  Rediffusion  (British) a system for distributing radio or tv programs
     subtype:  radiocommunication__radio__wireless  medium for communication
     subtype:  television__telecasting__TV__video  broadcasting visual images of stationary or moving objects; "Television is a medium because it is neither rare nor well done" - Ernie Kovacs
        subtype:  cable_television__cabletelevision__cable  television that is transmitted over cable directly to the receiver
           subtype:  cable_and_satellite_TV
        subtype:  high-definition_television__HDTV  a television system that has more than the usual number of lines per frame so its pictures show more detail
        subtype:  satellite_TV
           subtype:  cable_and_satellite_TV
     subtype:  reception.broadcasting  quality or fidelity of a received broadcast
        subtype:  signal_detection__detection  the detection that a signal is being received
        subtype:  demodulation  (electronics) the reception of a signal by extracting it from the carrier wave
  subtype:  multiplex  communicates two or more signals over a common channel

2 statements are about indirect instances of telecommunication: graph1_on_http://www.wotif.com/Accommodation/viewdeal.asp?PropID=4384, graph1_on_http://www.wotif.com/Accommodation/viewdeal.asp?PropID=5241
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