=== NRTCDR Sample Test ===

SFTP connected

Latest 5 CSV files:
  - ocs2_20260414_06_3.csv
  - ocs2_20260414_06_1.csv
  - ocs2_20260414_05_8.csv
  - ocs2_20260414_05_3.csv
  - ocs2_20260414_05_1.csv

--- Reading: ocs2_20260414_06_3.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: 2026-04-14T06:13:25
  SESSION_ID: d0-vepg4-ld8;1776053601;712690397;69dc6d61-260010183098168
  MCC: 440
  MNC: 10
  TOTAL_QTY: 750335
  USAGE_TYPE_ID: 33
  USAGE_TYPE: Data
  DEST_PHONE_NUMBER: 
  SUBS_RESELLER_NAME: esimcell
  CUSTO_ACCOUNT_NAME: esimcell
  SUBS_ACCOUNT_NAME: esimcellEsim
  SUBSCRIBER_ID: 45509814
  IMSI: 260010183098168
  ICCID: 8948010010010143666
  SUBS_PHONE_NUMBER: 48265099495
  PREPAID_PACKAGE_IDS: 140184069
  PREPAID_PACKAGE_QTYS: 750335
  TOLL_FREE: false
  CUSTO_ACCOUNT_ID: 4422
  CUSTO_CHARGE: 0.0010819497299194337
  SUBS_ACCOUNT_ID: 
  SUBS_CHARGE: 
  APN: plus
  RAT: 6
  IMEI: 354009445828935
  DOWN_BITRATE: 1200000000
  UP_BITRATE: 1200000000

=== Test Complete ===