Hardware-based VoIP service is more convenient and practical for residential and business uses instead of the software-based services. Here is a list of the top and most outstanding VoIP service providers:
•VONAGE – the price is not that low but not too high either and the quality of call is good. Its features and services are also efficient.
•AT&T CALLVANTAGE – the charge is somewhat higher compared to other service providers but the service is worth its cost.
•LINGO – for a low rate per month, it offers unlimited call to US and other selected countries
•VOIP.COM – the charge is lower to that of its competitors and has a lot of worthy features
•BROADVOICE – good for those who often makes international calls
