=== NRTCDR Sample Test ===

SFTP connected

Latest 5 CSV files:
  - ocs2_20260420_11_2.csv
  - ocs2_20260420_11_11.csv
  - ocs2_20260420_11_10.csv
  - ocs2_20260420_10_2.csv
  - ocs2_20260420_10_11.csv

--- Reading: ocs2_20260420_11_2.csv ---

COLUMNS (27):
  [0] USAGE_DATE_UTC
  [1] SESSION_ID
  [2] MCC
  [3] MNC
  [4] TOTAL_QTY
  [5] USAGE_TYPE_ID
  [6] USAGE_TYPE
  [7] DEST_PHONE_NUMBER
  [8] SUBS_RESELLER_NAME
  [9] CUSTO_ACCOUNT_NAME
  [10] SUBS_ACCOUNT_NAME
  [11] SUBSCRIBER_ID
  [12] IMSI
  [13] ICCID
  [14] SUBS_PHONE_NUMBER
  [15] PREPAID_PACKAGE_IDS
  [16] PREPAID_PACKAGE_QTYS
  [17] TOLL_FREE
  [18] CUSTO_ACCOUNT_ID
  [19] CUSTO_CHARGE
  [20] SUBS_ACCOUNT_ID
  [21] SUBS_CHARGE
  [22] APN
  [23] RAT
  [24] IMEI
  [25] DOWN_BITRATE
  [26] UP_BITRATE

SAMPLE DATA (first 3 rows):
Row 1:
  USAGE_DATE_UTC: 2026-04-20T11:07:14
  SESSION_ID: d1-vepg2-ld8;1775956609;147644114;69daf281-260010183098170
  MCC: 440
  MNC: 10
  TOTAL_QTY: 389980
  USAGE_TYPE_ID: 33
  USAGE_TYPE: Data
  DEST_PHONE_NUMBER: 
  SUBS_RESELLER_NAME: esimcell
  CUSTO_ACCOUNT_NAME: esimcell
  SUBS_ACCOUNT_NAME: esimcellEsim
  SUBSCRIBER_ID: 45509820
  IMSI: 260010183098170
  ICCID: 8948010010010143682
  SUBS_PHONE_NUMBER: 48265099497
  PREPAID_PACKAGE_IDS: 140184135
  PREPAID_PACKAGE_QTYS: 389980
  TOLL_FREE: false
  CUSTO_ACCOUNT_ID: 4422
  CUSTO_CHARGE: 5.623338317871094E-4
  SUBS_ACCOUNT_ID: 
  SUBS_CHARGE: 
  APN: plus
  RAT: 6
  IMEI: 350888742899820
  DOWN_BITRATE: 1200000000
  UP_BITRATE: 1200000000

=== Test Complete ===