• Valid for 90 days from the time you put the credit on your phone. Purchased credit has to be put on the phone within 365 days of the purchase otherwise you lose it.
  • Please refer to Isatphone Prepaid for call rates.
  • Please alllow upto 24 hours for the credit to go through.
  • Please email us your Satellite phone number and sim card number to enable us to put the credit through.
  • Voucer does not include a sim card. If you need a sim card as well, please purchase the sim card separately.
  • You should use this service only if you have purchased your sim card through us. For other Isatphone sim cards, please call or email us.

If you do not want us to put the credit directly on the phone and you would prefer to receive a voucher number in the email, please advise us by sending an email to

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