GSPS - Overview

About GSPS

Inmarsat’s Global Satellite Phone Service (GSPS) is an established and proven global voice and text satellite communication service with over 140 000 subscribers worldwide. GSPS mobile and fixed voice services utilise the world’s most advanced satellite communications network, offering clear voice quality and minimal call drop out. GSPS handheld, mobile and fixed services can be used on land, at sea and in the air.

Inmarsat's GSPS Core Module 2.0 provides access to global voice, text and data service of any Inmarsat platform. The low-cost, credit card sized module is easy to integrate, enabling partners to develop products and services for the important global mobile satellite voice and messaging market.

Figure 1. GSPS coverage (March 2015)

Supported services

GSPS offers Global Voice and Short Message Service including text to email and email to text capability as well as low data rate circuit switched data call. Supplementary services such as call diversion and voicemail can be offered to customers.