Compare the top virtual PBX providers with this guide. A virtual PBX is a Private Branch Exchange phone system that operates through the Internet. A virtual PBX routes incoming calls to a business's appropriate extensions. You do not need to purchase or maintain hardware or software to use a virtual PBX system.
A virtual PBX is a good choice for small to medium-sized businesses that want all the benefits of cheap Internet calling, but do not want the responsibility of an in-house PBX.