In February 1926

In February 1926 the company was founded Advertising Tourist SA, a subsidiary of Telefonos de Mexico. Its main activity is the marketing of telephone directories, white and yellow pages section. In September 1954, changes its name by “Professional Directories (dips), as it specializes in ing blue street directory, directory of construction, tourism and others. During the same year and because of the importance is the modernization of telecommunications for national development, Telefonos de Mexico DIPSA integrates the management of mobile radio. In 1977, the SCT requested of Mexico (Secretaria de Comunicaciones y Transportes) a grant to install, operate and exploit a mobile radio system in the Federal District.But until 1981 when it began marketing the service, which was known by the public as Phone in the car, which is achieved in a span of eight months, to serve 600 users. In November 1984 he made another change of name for that of Radiomovil Dipsa SA de CV, in order not to cause confusion as it relates to the activities of the company with this new feature. Being Ltd. Radiomovil Dipsa very dynamic company, Radiomovil Dipsa SA de CV and its Telcel brand becomes a service business. A group of shareholders contributed capital to fill the void of a service that did not exist in Mexico, cell phone, which is why they had to find several sources for this purpose, choosing as the main provider Telcel in regard to switching equipment to Ericsson.Society of Swedish origin, a company with over 100 years experience in telephone networks in Mexico, with European standards applied in switching centers. The beginnings of Radiomovil Dipsa SA de CV in cellular telephony was in 1987 when the SCT authorizes the installation of the cellular system in the city of Mexicali. The following year, the SCT is ratified before the application to modify the concession to operate the nationwide cellular telephone. In October 1989, Radiomovil Dipsa SA de CV, through its Telcel cell phone starts operations in Tijuana, where it provides service to users in Mexico as Americans. In February 1990 it began marketing the cell phone in the Federal District and metropolitan area, five months after covering the cities of Cuernavaca and Toluca and Valle de Bravo. That is, does exceed the most ambitious forecasts the number of users, who are continuing to grow month by month.Especially in Mexico City and greater metropolitan area, in an extraordinary case in the world. However, the 1994 economic crisis enough to affect all areas of communication as Iusacell who owned a dominant power at the time, decided to focus on customers with high purchasing power with plans to rent at high prices, meanwhile thought telcel a strategy that will be useful to make ends meet before the crisis and therefore decided to bring his plans to boost prices fairly accessible and the first prepaid plans under the name of a friend of telcel system (which name remains to this day). From this experience telcel begins a series of investments to upgrade its network infrastructure in TDMA and AMPS so continues the coverage expansion and upgrades to existing equipment in the country since that time some operators already formed a competition para telcel.Starting the new century Telcel implemented in 2002 about their network on the GSM standard (The first to be installed in Mexico), parallel to his other communications, and infrastructure competition as Iusacell with Pegaso PCS CDMA and subsequently Movistar Spanish company that had operations in northern Mexico Pegasus acquired the company which in 2003 and 2004 also implemented the GSM system as from now telcel has jurisdiction, however telcel advertising and has implemented strategies that put as the company with more cell phone users in Mexico. For the Year 2007 Telcel 3G implements some under the UMTS standard added to its GSM network. By the middle of this decade towards the modernization and upgrading of infrastructure is given the task of effecting the disconnection of non-proprietary networks to the GSM standard.