Best cloud phone system of 2020: buy a business PBX system in the cloud

By Tech Radar

RingCentral Office

"The powerful cloud phone system"

Avaya OneCloud

"Enterprise cloud phone system"

Dialpad

"The innovative cloud phone system"

8x8 All-in-One Communications

"The transformative cloud phone system"

Grasshopper

"An amazing range of features with excellent app integration"