Whichvoip.com is a Voip guide, helping users to know more about the services of the voice over Internet protocol phones. The website has also listed the reputed service providers and reviewed them for their features individually. The website offers free quotes of the reputed service providers to the business users, to help them easily source the best service provider, online. The website helps the new users to understand the new terminologies used by the service providers and finally offers a speed test to assess if the broadband speed available is sufficient to avail the services of voice over Internet Protocol phone.