Telefónica O2 Czech Republic is a major integrated operator in the Czech Republic. It is now operating more than seven million lines, both fixed and mobile, making it one of the world’s leading providers of fully converged services. The organization offers the most comprehensive portfolio of voice and data services in this country. It is paying special attention to the exploitation of the growth potential, particularly in the data and Internet sector. Telefónica O2 Czech Republic operates the largest fixed and mobile network including a 3rd generation network, CDMA (for data), and UMTS, enabling voice, data and video transmission. Telefónica O2 Czech Republic is also a notable provider of ICT services.