38 Telecommunications services, namely, providing telecommunications connections to a global computer network, providing integrated global computer network/telephony connections, providing web callback services and call management services, providing call routing, least cost call routing and load balancing services; providing web-based call origination services; telephony services, namely providing an integrated global computer network/telephone call back service, call management services, providing call routing, least cost call routing and load balancing services, computer telephony, namely, providing an integrated global computer network/telephone call-back service, call management services, providing call routing, least cost call routing and load balancing services; computer aided transmission of data, sound and images; electronic transmission of data, sound and images; electronic network and computer communications services, namely, providing an integrated global computer network/telephone call-back service; real-time data transmission and global computer network telephony services, namely, real-time data transmission provided by an integrated global computer network/telephone call back service; telecommunication call origination and gateway services for the provision of access to a global computer network; communications routing services, namely, provision of call routing, least cost call routing and load balancing services; rental, leasing and operation for telecommunications systems and apparatus, namely, integrated global computer network/telephone call-back systems, telephony exchange systems, computer telephony servers, telephones and mobile telephones; provision of information concerning integrated global computer network/telephone call-back services