Iridium Standard Satellite Phone Pay Monthly Contracts

Stay connected wherever your adventures or operations take you with an Iridium Standard Pay Monthly Contract from GTC. Whether you're working in remote locations, travelling offshore or exploring beyond mobile coverage, our monthly airtime plans provide access to reliable voice calling and SMS messaging through Iridium's truly global satellite network.

With a choice of monthly allowances and contract lengths, you can select a plan that matches how often you use your satellite phone. From emergency backup communications to regular calls from remote environments, there's an option to suit your needs and budget.

Why Choose Iridium Pay Monthly Airtime?

• Truly Global Coverage: Make and receive calls and messages across the Iridium satellite network, including remote and polar regions.

• Flexible Contract Options: Choose from minimum terms of 1, 3, 6 or 12 months, depending on your selected plan.

• Inclusive Monthly Allowances: Select from plans offering 10, 25, 100 or 250 minutes and SMS allowances, or choose an emergency plan with usage charged separately.

• Simple Monthly Billing: Keep track of your airtime costs with clear, itemised monthly invoices.

• Stay Connected Without Regular Top-Ups: Enjoy an ongoing satellite connection without having to purchase prepaid airtime vouchers.

• Expert Support from GTC: Our experienced team is on hand to help you choose the right plan and get your satellite phone connected.

Find the Right Monthly Plan

Not everyone needs the same level of satellite communication. That's why our Iridium Standard contracts offer different monthly allowances to suit occasional users, frequent travellers and businesses operating in remote environments.

Simply choose your preferred plan and minimum contract term, add it to your basket and complete your order. Our team will then contact you with instructions for setting up your monthly payments and activating your service.

Please note:

• A compatible Iridium satellite phone and SIM card are required. Monthly allowances, minimum terms and additional usage charges vary by plan. Contracts continue on a rolling monthly basis after the minimum term until cancelled in accordance with our terms and conditions.
• +1 & +44 Numbers
  Customers on the Standard Iridium Plan can be provided with a US or UK number as an Add-On Service, at an additional fee.
  
• Monthly Service Allowance
  The Standard Iridium Plan's Inclusive Mins and SMS only include voice calls and standard SMS messages.
• Free Test Call Service
  To test your number free of charge, call our test call service on +1-480-752-5105.

Standard Terms & Conditions

• Pro-Rated First Month: All plans will be pro-rated in the first month. This includes the activation fee, monthly fee (in monetary form), and any inclusive allowances (e.g. minutes, SMS, MB), based on activation date.
• Inclusive Allowances: Any inclusive minutes, SMS, MB, or other allowances do not carry over to the next month. No compensation, rebate, or credit is provided for unused allowances.
• Overage Charges: Once inclusive allowances are used, overage charges apply at the rates shown in the Calling Rates table. These are calculated and invoiced monthly.
• Minimum Term & Rolling Contract: The stated minimum term is a commitment period. After this, your contract will continue on a rolling monthly basis unless otherwise stated. Charges continue until you request disconnection in writing via email. Deactivation will only be considered actioned once an email has been returned, acknowledging your email.
• Incoming Calls & SMS to standard Iridium number: There are no charges for receiving calls or SMS to your standard Iridium number, and these do not count against your allowance. The caller/sender will be charged by their provider.
• Incoming Calls to +1 or Local Add-on number: Incoming calls to any +1 or other Local number purchased as a service add-on are chargeable at the specified per minute rate and are not included as part of the standard service bundle. The caller will also be charged by their provider.
• Final Month Billing: The final month is always billed in full.

Iridium-Specific Terms

• +1 Services: Dedicated US phone number (Add-On available for an additional fee).
• Local Number: A dedicated local number from a selection of over 25 countries. (Add-On available for an additional fee).
• Unlimited ISU-ISU Voice Add-On (Iridium Subscriber Unit):
  • The Unlimited ISU-ISU Voice Add-On option is only available for Iridium Subscribers using SIM-based Iridium Handsets and is not available for use with L-Band Transceivers or the Iridium GO!® (“Non-Eligible Equipment”). Iridium will monitor SIM Card IDs/IMSIs and IMEIs on a monthly basis to determine if the Unlimited ISU-ISU Voice Add-On option is being activated and used on Non-Eligible Equipment. If Iridium determines that the Unlimited ISU-ISU Voice Add-On option is being activated and used on Non-Eligible Equipment, Iridium reserves the right to:
    
    • Deactivate the Add-On for Non-Eligible Equipment at any time, without notice, or
    • Modify or terminate this Add-On with 30 days’ notice.
  • Calls between ISU and Non-Eligible Equipment (e.g., Iridium 9555 to GO!) are not covered and are charged at standard rates.

Iridium DSG Specific Terms

• Approval Required: DSG plans require approval and may take up to 7 working days to create.
• Pooled Voice Minutes:
  • Subscribers on Starter 25, Advanced 100, or Power 250 can pool voice minutes (Iridium to Fixed/Cellular, Iridium to Iridium, Iridium to Voicemail).
  • SMS-MO messages are not pooled.
  • No rollover of minutes; all allowances are for maximum usage per cycle only.
  • Once pooled minutes are exhausted, overage charges plus a 10% pooling surcharge apply.
  • All other call types are charged individually.
• DSG Requirements:
  • Minimum of 5 ISUs, maximum of 1,000 ISUs per DSG.
  • 1-month grace period to reach minimum participants; otherwise, minimum fees apply.
  • Paying minimum fees does not grant extra minutes.
• Term Commitments & Early Termination:
  • Each DSG has a minimum 12-month commitment.
  • Early termination incurs a fee: monthly recurring charge (MRC) x minimum DSG participants, plus 10% surcharge if ETF applies.
  • ISUs may only migrate plans or DSG once per month; mid-cycle changes may be pro-rated.