Telephony and telecommunication services; telecommunication services via telematic and multimedia networks; providing access to telecommunication networks; providing access to telecommunication infrastructures for third-party users; local and long-distance telephone services; rental of telecommunication lines; rental of access time to global computer networks; routing and junction services for telecommunications; commissioning of telecommunication networks; telecommunication routing and junction services; providing access to telecommunication networks; information and advisory services relating to telecommunication services; rental of access time to global computer networks; leasing of telecommunications lines for access to computer networks; providing access and rental of access time to computer databases; operation of electronic communication networks; operation of broadband telecommunication networks; rental and management of local area networks; providing telecommunication access to server centers