The Smartest Phone Solution For Your Business - Setup a fully functionally Phone System in minutes. WHAT IS A VOICE-OVER CLOUD? Typically installing a PABX system in your business is expensive and difficult to maintain. However new Voice Over Cloud technology developed by VOCPhone allows you to set up a fully functional PABX in the cloud in only minutes as well as saving you money compared to conventional analog or VoIP phone systems. Welcome to a new era, are you ready? The National Broadband Network (NBN) is changing the way that businesses communicate. All businesses will soon need to change from traditional Analog & ISDN phone lines and for most businesses, this means the end of the conventional PBX phone system.