With VoIP calls are routed through an internet network, instead of traditional landlines, effectively cutting costs across the board.
Unlimited calling will usually include features like extension-to-extension calling anywhere in the world, unlimited anytime calling to numbers in the US and Canada, and unlimited calls to anyone using the same provider network. Depending on your provider, you might also find unlimited international calling bundled into your plan.
Unlimited calling can benefit most businesses, as long as your business has a lot of incoming and outgoing calls. Businesses who primarily communicate with customers and clients via email, messaging, and other support networks might not find the same value in the service.