Skype for Business
Skype for Business is a cloud-based communications service that provide intuitive communications capabilities from internet messaging, audio/video calling, online meetings and video and web conferencing. Skype for Business enables you to collaborate with you colleagues and customers from virtually anywhere.
Real-time presence information (including photos, availability status and location) and enhanced instant messaging.
Use your computer to make voice calls to other Skype for Business users in your organization or in other organizations that uses Skype for Business
Create and join audio, video and web meetings with people inside and outside your company.
Online presentations with screen sharing and virtual whiteboards.
Invite customers to conference calls even if they are not Office 365 users.