#telephone  transmitting speech at a distance
  supertype:  telecommunication  (often plural) systems used in transmitting messages electronically
  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

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