Ambiguous Handsets

  Caller          30
  Callee          46
  Caller & Callee  2 (x2)
  TOT             80

Gender

  F - F          382
  M - M          238
  F - M          306
  M - F          383

Location

  Caller     Callee
  ========================
  Indoors  - Indoors   701
  Indoors  - Outdoors   68
  Indoors  - Vehicle    90
  Outdoors - Indoors   178
  Outdoors - Outdoors   14
  Outdoors - Vehicle    18
  Vehicle  - Indoors   189
  Vehicle  - Outdoors   25
  Vehicle  - Vehicle    26