NT offers registration number subscription services for data and voice transmission via Inmarsat satellite between both mobile and fixed network devices, such as Inmarsat Aero, Inmarsat A, Inmarsat B, Inmarsat C, Inmarsat M, Inmarsat mini M, and more. This includes:
- Point Service Activation (PSA): This service covers the registration of the Inmarsat Mobile Number (IMN) and the maintenance of monthly number subscriptions.
- Accounting Authority Identification Code (AAIC): This service involves receiving and processing payment calls from users registered in Thailand.