Downloadable software in the field of unified communications; downloadable software for telephony, messaging, conferencing, and voicemail services

Cloud-based unified communications services, namely, call management, teleconferencing services, instant messaging services, auto-attendant services, group teleconferencing services, call-forwarding services, call logging services, extension-to-extension calling services from any location to any location; voicemail services; visual voicemail services; audio, video and web conferencing services; instant messaging services; cellular telephone telecommunications services