WhichVoIP's goal is to make it easier for consumers and businesses to select a VoIP service provider for their telephony needs. Use our site to learn about VoIP for your home or business, with hundreds of articles and whitepapers and over 3000 user reviews to help you choose the right VoIP provider for your needs.A residential customer will often save up to $500 per year on their phone bills by moving to VoIP. Business customers can save up to 80% on their phone bills using VoIP.