Voronezh branch of CenterTelecom is the biggest telecom operator in Voronezh region. It provides a wide range of telecommunication services including wired and mobile radio telephony, Internet access, data transmossion serices, wired broadcasting. Voronezh branch actively develops multiservice and SDH networks. Installed capacity of telephone network is more then 670 thsd numbers, and there are about 100 thsd Internet users in Voronezh branch.