audio and video conferencing services; cloud-based computer telephony services; internet telephony services; global computer network telephony services; computer telephony services; communication services, namely, the provision of unified communications, telephony, electronic messaging, telephone conferencing, and voicemail services to enterprise and consumer users over a global computer network; provision of hosted and wireless PBX (private branch exchange) services

telephony software as a service (SAAS) services featuring software applications for telephony, messaging, conferencing, and voicemail services for enterprise and consumer users over a global computer network; providing on-line non-downloadable software for telephony, messaging, conferencing, and voicemail services for enterprise and consumer users over a global computer network; providing online non-downloadable software for capturing, indexing, searching, organizing, managing, sharing, and displaying digital and electronic contacts, contact information, messages, information and digital files