Typical setups include:
What is VoIP?
It is Voice over Internet Protocol or in its shortened version, VoIP as it is commonly known. VoIP basically means voice transmitted over a digital network.
What does it do?
It is a new technology that will improve the way we communicate by phone, now and in the future. VoIP gives you the ability to make free, or very low cost, telephone calls over the Internet compared to the traditional way we make phone calls.
What is available ?
There are all the features available as with a standard phone system, but without the large up-front costs or long 5 year leases.