Audio conferencing is where two or more people in different locations use technology like a conference bridge to hold an audio call. Audio conferencing is different from a traditional phone in in that all participants dial into a central system that connects them instead of directly dialing each other
Unified communications is a business and marketing concept describing the integration of enterprise communication services such as instant messaging, presence information, voice, mobility features
Video conferencing is a type of online meeting where two or more people engage in a live audio-visual call. With a strong internet connection, the participants can see, hear, and talk to each other in real time, no matter where in the world they are.
A cloud PBX or virtual PBX provides a secure and reliable office phone system through an internet connection. ... Modern business phone systems have moved away from legacy systems to IP (internet protocol) PBX systems that work over an internet connection. They connect IP phones to a PBX server.
Hosted Contact Center
A hosted contact center provides a cost-effective customer service solution for organizations. A service provider hosts the organization's customer service communications, reducing the cost to the business.
A virtual assistant is an independent contractor who provides administrative services to clients while operating outside of the client's office. A virtual assistant typically operates from a home office but can access the necessary planning documents, such as shared calendars, remotely.