The Voice of O365 - Skype for Business
The Voice of O365 is a unique cloud service which offers Microsoft 365 | Office365 Business Premium, E3 and E5 Plan users and their organizations the ability to use Skype for Business Online (formerly Lync 2010/13) as a true PBX in the cloud.
The Voice of O365 adds PSTN access to Office 365 so you can make telephone calls with your existing Skype for Business license (part of Office 365) as you are accustomed to with your present PBX or hosted voice | telephony service. By adding the Voice of O365 license you add full call control functions, such as: place and receive calls, internal or external call transfer (blind or supervised), put the call on hold, etc.. Your PBX (IP-PBX | hosted PBX) becomes obsolete.