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Comparison of voice and data services using Iridium, Globalstar, and Thuraya satellite phone services:

Feature

Iridium

Globalstar

Thuraya

Coverage

Global

Global except parts of Africa, SE Asia and Central America

Europe, North Africa, Middle East and Indian Sub Continent.

Voice service

Yes

Yes

Yes

Quality of VoiceGoodGoodSince the service uses geosynchronous orbit, there will be considerable transit delay in voice response.

Data service

Yes

Yes

Yes

Max data rate

2.4k (up to 10kbps compressed)

9.6k

9.6k

Satellite UsedLEO (Low Earth Orbit)LEO (Low Earth Orbit)Geosynchronous orbit.
Mobile Internet AccessSupports Internet access using a personal computer at rates 2.4 Kbps or upto 10Kbps compressed.Supports mobile Internet access using personal computer or pda. Mobile data communication is possible using certain handsets including QUALCOMM GSP-1600, Telit SAT-550, Telit SAT-600 Supports WAP in its mobile satellite phone.
Note: Please visit the manufacturers websites for accurate and current information.

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