Information transmission services via digital networks; providing access to telecommunication networks; communication services, namely, electronic transmission of data and documents among users of computers; telecommunication consultation in the nature of technical consulting in the field of audio, text and visual data transmission and communication; local and long distance telephone services; providing telephone conferencing services; telephone voice messaging services; facsimile transmission and retrieval services; providing e-mail fax services; wireless broadband communication services; rental of equipment for telecommunications; telecommunication services, namely, local and long distance transmission of voice, data, graphics by means of telephone, telegraphic, cable, and satellite transmissions; voice mail services; telecommunications services, namely, ISDN services