Check out our VoIP Call Features article to learn more about the basic and advanced features and how they work. You will need to have a good idea of which features are necessary for you, especially for business applications.
Residential VoIP services usually come with similar basic feature sets, but not all providers are equal. Compare the features so you know what you are and are not getting for the monthly rate. Ideally the cheapest VoIP phone service plan for the home will come with all the basic residential features at no extra cost.
Some of the basic residential features include:
411 directory assistance
Call waiting (w/caller ID)
Enhanced 911 service
The cheapest VoIP phone service for a business will likely depend on how many features are available for the lowest or best rate. Available business features include:
Find me/Follow me
Music on hold
Toll-free and virtual numbers
Unlimited local calling