{
  "legacy": {
    "write_offset": {
      "new": "-34|-30, -572",
      "old": "-572"
    }
  },
  "ring_codes": {
    "new": "*5S*\tT-3601N\tB IFPI L433 C2\n*4S*\tT-3601N\tB IFPI L433 B7",
    "old": "*5S* T-3601N IFPI L433 B C2"
  }
}