Small businesses need to costs where they can, and cutting the cost of long-distance calling is an area where many can save money. There are two main kinds of phone services for businesses, VoIP providers and traditional telephone service. VoIP uses software to make your computer into a phone, as opposed to the traditional service of having dedicated lines in your office. The base price for VoIP is generally very low and it is a growing service in the communication business. There are advantages and disadvantages to both systems, and there may be more system out there as well. VoIP systems are cheaper than traditional systems almost always. The best three long distance carriers for small businesses out there are Vonage Business, OnSip and Ring Central. With these systems you can also do video conferencing and faxing.