Skype for Business
Skype for Business provides a single interface that unites voice communications, IM, and audio, video, and Web conferencing into a richer, more contextual offering.
Find and communicate with the right person. Rich presence including pictures, skill search, location information, and more gives users the context they need to make smart communication choices including built-in instant messaging capability. Users can add and connect with users on Public IM services such as Windows Live, AOL, and Yahoo! and communicate with them using their single work identity.