Tanzania

About connectivity in Tanzania

Tanzania uses 230V/50Hz with Type D and Type G outlets — a legacy of British colonial wiring standards from the Tanganyika Territory era. The phone jack is RJ-11. TTCL (Tanzania Telecommunications Company Limited, the post-1993 corporatized successor to the Tanzania Posts and Telecommunications Corporation) was partially privatized in 2001 to Celtel and Mobile Systems International. The mobile market is dominated by Vodacom Tanzania (Vodafone-affiliated), Airtel Tanzania, Tigo (Millicom), and Halotel (the Vietnamese Viettel subsidiary).

Tanzania's academic and commercial Internet began in 1995 through Cybertwiga (the first commercial Tanzanian ISP), Wilken Afsat, Africa Online Tanzania, and Raha Net. Per-minute metered dial-up over TTCL PSTN at relatively high prices kept Tanzanian Internet penetration low through the late 1990s and early 2000s. The transformative development was the 2009 arrival of the SEACOM and EASSy underwater fiber-optic cables, which dramatically expanded East African international bandwidth and dropped retail prices. Mobile data has driven essentially all of Tanzania's recent Internet-access growth since 2010s 3G/4G rollout, with Vodacom's M-Pesa Tanzania (modeled on the Kenyan M-Pesa) providing widely-used mobile-money services across the country.

TTCL's cardphone deployment was modest in scale — the country's mobile-prepaid airtime market quickly became the dominant prepaid product, with mobile penetration leapfrogging fixed-line cardphone infrastructure. The Tanzanian prepaid international calling-card market through the 2000s and 2010s served the relatively small Tanzanian outbound diaspora to the United Kingdom (the historic post-independence professional-class community), the United States, Canada, the Gulf states, and increasingly South Africa. The Indian-origin Tanzanian community calling family in India also sustained per-destination card volume.

Tempest Telecom served Tanzania through dial-up POPs in Dar es Salaam. Iridium satphones served the Indian Ocean maritime industry (the Dar es Salaam port and the Zanzibar tourism market), safari tourism operators across the Serengeti / Ngorongoro / Selous game reserves, expedition crews supporting Kilimanjaro climbing operations, archaeological-research operators across the Olduvai Gorge and Laetoli paleontological sites, and humanitarian operators across the broader Great Lakes regional customer base. BGAN terminals served the higher-bandwidth needs of broadcast journalism, NGO field offices, and oil-and-gas exploration crews working in southern Tanzania, with all consumption settled through the same unified prepaid account.

Modern Tanzania has expanding mobile-data coverage with 4G LTE in populated areas; FTTH is concentrated in Dar es Salaam and Dodoma (the formal capital since 1996 though Dar es Salaam remains the commercial center).

Tempest's services across Tanzania, 1997–2012

Tempest Telecommunications operated international connectivity services in Tanzania between 1997 and 2012 under a unified prepaid account that absorbed multiple service types onto a single customer credential. Customers in Tanzania drew from the same balance for pre-paid international voice calling, RADIUS-authenticated dial-up Internet roaming, metered Wi-Fi hotspot access, Iridium and Thuraya satellite voice, and Inmarsat BGAN and Thuraya data terminals. An attempted kiosk-payment federation (PATN, 1998) extended the same architecture to public Internet terminals but failed to reach scale.

Both Iridium (global LEO) and Thuraya (regional GEO) satellite voice were available in Tanzania from approximately 2001, alongside global BGAN data from late 2005.

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