In addition to telephony, the existing network enabled also a series of additional services. In 2001, the company introduced GPRS data transfer, in 2002 the network started supporting MMS multimedia messages, since 2003, network users had been able to access multimedia content on the mobile portal Planet and, in December 2003, Mobitel launched the UMTS third generation network, the first in the world. In 2008, the whole UMTS network was upgraded with the introduction of HSDPA and HSUPA technologies, also called 3.5 G. The company was in the process of upgrading its network with the HSPA+ technology.