Telecommunications equipment, namely, computers, built-in modems, electric telecommunications switches, integrated circuit boards for voice processing and fax processing, integrated circuit boards for interfacing private branch exchange systems and telecommunications systems, and computer peripherals, all for use in operating and monitoring telecommunications, paging, voice mail, E-mail, fax-mail and personal communications networks; computer software for use in operating and monitoring telecommunications, paging, voice mail, E-mail, fax-mail and personal communications networks