Welcome to Voip-Catalog.com! The VoIP Catalog is a database of VoIP providers, VoIP companies, VoIP news, and any other telecom related companies and providers. Here you can find all the information you need to know about VoIP technology including the terminology of the VoIP industry, VoIP provider reviews, comparisons of VoIP providers and VoIP service plans, VoIP hardware manufacturers, business VoIP providers, residential VoIP providers, SIP providers, IP PBX manufacturers and vendors, wholesale VoIP origination and termination providers, and much more. If you represent a VoIP or telecom related company, feel free to add your company to the VoIP Catalog database free of charge. In addition, VoIP Catalog also provides a platform for issuing press releases about your VoIP company for free.