IsatPhone Top-Ups


Top-ups for your active IsatPhone prepaid SIM card.

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Inmarsat SIM cards start with zero balance and validity. Choose the option appropriate for your needs and you can then extend at a later date if you need to - SIM card validity can be extended by purchasing another prepaid voucher or 30 day extension before the original expiry date. To ensure you're always ready to connect, IsatPhone Top-Ups are a convenient and essential service

If the validity is not extended then your SIM card will expire and become unusable. Any remaining minutes will be lost.

You can reactivate the SIM at any time by purchasing a new airtime voucher.

If you did not originally purchase your SIM card from Global Telesat Communications we will be unable to add credit to your card. However, Inmarsat SIM cards are free of charge so why not order a SIM card from us as well?  Purchase IsatPhone SIM Cards >

This airtime is suitable for IsatPhone Pro and IsatPhone 2. 

To maintain connectivity, you need to ensure your IsatPhone is equipped with airtime credits, and that's where IsatPhone Top-Ups come into play.

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Calling Rates

Global Plan Calling Rates

Service Charge
Voice/Fax/Data to Landline, Mobile or Voicemail 1.50
Voice to Inmarsat BGAN/SBB/GSPS 1.50
Voice to Inmarsat FBB 3.00
Voice to Iridium 12.70
Voice to Thuraya 5.80
Voice to other satellite networks 8.0
SMS 0.60

Minimum billable increment = 30 seconds, 15-second increments thereafter.

Please note that upon requesting activation of your prepaid airtime you are agreeing that we can start providing your network services before the end of the usual statutory cancellation period and that by doing so, you lose your right to cancel your purchase of the prepaid airtime or request a refund. As a result, please check that you have ordered the correct airtime for your handset or terminal. Please refer to our terms and conditions for full information. This does not affect your statutory rights.


Latin America Voucher ǂ

The prepaid voucher can only be used inside the following predefined countries: Argentina, Belize, Brazil, Bolivia, Chile, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, Panama, Paraguay, Peru, Uruguay, and Venezuela. Including coastal waters (12 Nmi) and Exclusive Economic Zones (EEZ).

Sub-Saharan Voucher *

The prepaid vouchers can only be used inside the predefined countries: Angola, Benin, Burkina Faso, Burundi, Cameroon, Central African Republic, Chad, Congo Brazzaville, Cote d’Ivoire, Djibouti, DR Congo, Eritrea, Ethiopia, Equatorial Guinea, Gabon, Ghana, Guinea, Guinea-Bissau, Kenya, Liberia, Malawi, Mali, Mauritania, Mozambique, Niger, Nigeria, Senegal, Sierra Leone, Somalia, South Sudan, Sudan, Tanzania, Togo, Uganda, and Zambia.




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