Welcome to United Technologies

Telestial Inc. provides convenient, cost-effective telecommunications services to North American business and recreational travelers. With the click of a mouse, you visit Telestial's web site and obtain pre-paid wireless products for use in over 140 countries around the world.

Telestial has partnered with local carriers from Ireland to New Zealand and South Africa to provide North Americans with the lowest domestic rates available and, in many cases, highly economical international long distance rates. Telephone and pre-paid services from Telestial are compatible with GSM (Global Services for Mobile), the most widely implemented wireless standa rd outside of North America.

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Prepaid SIM Cards and International SIM cards

After you purchase your international cell phone, or if you already own a world phone, you will need a SIM card for service. A SIM card is a postage stamp sized chip (the brain of the phone) that snaps into the back of your phone. The SIM card enables your phone to find and connect to... readmore

International Cell Phones

An international cell phone is classified as a GSM mobile phone that operates on the GSM 900 and GSM 1800 frequency. An international cell phone with the appropriate sim card, will provide coverage in Europe, Asia, Africa and the Pacific Rim including Australia... readmore

GSM SIM Tutorial

International prepaid cell phone service may not be as easy as eating a hot dog (Soy hot dog for vegetarians) but this section helps to break it down into nice bite sized morsels, with lots of photos. This step by step tutorial will demonstrate what you will need in order to step off the plane and start talking like a local... readmore

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Intertantional GSM Phone



Special Promotions


Our growing selection of cell phone and SIM card promotions offers you an opportunity to purchase a significantly discounted world cellular phone with one or more prepaid SIM cards... read more

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