page_title: Telmex
section_title: Cellphone mobile unit
hierarchical_section_title: Telmex / Cellphone mobile unit
caption_attribution_description: A Telmex store in the Plaza Caracol shopping center on Boulevard Francisco Medina Ascensio in the city of Puerto Vallarta, Jalisco, Mexico.
context_page_description: Telmex is a Mexican telecommunications company headquartered in Mexico City that provides telecommunications products and services in Mexico. Telmex is still the dominant fixed-line phone carrier in Mexico. In addition to traditional fixed-line telephone service, Telmex offers Internet access through their Infinitum brand of Wi-Fi networks, data, hosted services and IT services. Telmex owns 90 percent of the telephone lines in Mexico City and 80 percent of the lines in the country. Telmex is a wholly owned subsidiary of América Móvil.
context_section_description: In the 1990s, mobile telephones were becoming popular among the general population. The early market leader was Iusacell, and Telmex had no presence in the market. This prompted Telmex to form a subsidiary to provide mobile communications.  The subsidiary was Radio Móvil Dipsa, and it offered service under the brand Telcel. Telcel started out in a distant second place in its mobile market, but in 1995 everything changed, when the Mexican currency crisis hit many Mexicans hard. Iusacell decided to stay with wealthier customers, offering expensive plans, whereas Telcel began to offer the first prepaid mobile phone plans.  Although, in effect, just as expensive as the contracts offered by Iusacell, the success of its prepaid plans ultimately provided Telcel the growth needed to become the leader in the mobile market within two years.
  In 2000, Telmex spun off their mobile unit, creating América Móvil, which controls Radio Móvil Dipsa and was free to develop its own business as an independent entity.  It started with 80% of the mobile market.
  In 2010, America Móvil (an independent company from its former parent company, Telmex) bought 60% of Telmex, paying over 23 billion dollars. In 2011, America Móvil purchased the remaining 40% of Telmex. In August 2012, America Móvil started the process to de-list Telmex from the Mexican Stock Exchange.
caption: A Telmex retail store
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