Gradwell Dot Com Ltd
Provides a range of telephony and communications services for small businesses based on VoIP technology; includes a guide to their products and services, an online support facility, company profile, and case studies.
Internet Telephony Services Providers’ Association
Trade association representing businesses involved with VoIP services for business and residential consumers. Provides a directory of members, news and events, policy papers, and resources on industry best practice.
Provider of Voice over IP services for residential and business customers; includes a guide to their products and features, services, call rates, and support, with testimonials and a FAQ.
UK VoIP phone systems specialist for businesses.