{
  "legacy": {
    "write_offset": {
      "new": "-210|-210, -60",
      "old": "-60"
    }
  },
  "ring_codes": {
    "new": "T-20602M-0733\t2MS1\tC\t18\nT-20602M-0733\t5M1\tC\t18 IFPI L223 IFPI 3916",
    "old": "T-20602M-0733 2MS1 C 18"
  }
}