{
  "FIXED_LINE": 0,
  "MOBILE": 1,
  "FIXED_LINE_OR_MOBILE": 2,
  "TOLL_FREE": 3,
  "PREMIUM_RATE": 4,
  "SHARED_COST": 5,
  "VOIP": 6,
  "PERSONAL_NUMBER": 7,
  "PAGER": 8,
  "UAN": 9,
  "VOICEMAIL": 10,
  "EXTENSION": 11,
  "UNKNOWN": -1
}