The auto attendant feature automatically redirects an incoming call to an extension without the need of a telephone operator, while audio conferencing lets multiple users join a single call. With ring groups, you can share the distribution of incoming calls among group members. As one of the best virtual phone service solutions, VirtualPBX provides ACD queues, an advanced version of ring groups, among its features. Given that it distributes calls to a group of users, this functionality makes managing a call center with large volumes of inbound calls much easier.
In addition to making sure your internet service can handle your VoIP traffic, you also need to make sure your local area network (LAN) can handle it. What makes network management tricky with VoIP is that if you simply drop it onto your network, that traffic will get processed the same as any other traffic, meaning your shared accounting application or those 20 gigabytes worth of files your assistant just moved to the cloud.

CallHippo is one of the small business phone service providers with a distinct international focus. It calls itself an “Intelligent Virtual Phone System.” CallHippo does a great job of telling you what you as the user can accomplish with its system (as opposed to simply telling what its technology is or does). Even its live chat starts by saying “Hey, how about setting up your phone system in less than 3 minutes?” Feature We Like: Focuses on workflow, highlighting the third party apps it integrates with. It sees phone as part of a continuum of customer processes in your company.
RingCentral connects various communication and collaboration technologies with its complete cloud-based unified communications as a service (UCaaS) platform. These technologies include voice, business messaging, team collaboration, video conferencing, and online meetings, to name a few.