Over the years, high-speed internet services are available for many families. It allows customers to consider switching an alternative phone service, VOIP (Voice Over Internet Protocol), instead of traditional landline. It could reduce or completely remove phone bills without losing voice quality significantly. AT&T and Vonage are one of known VOIP providers, but they are not economical choice. Nowadays, there are many VOIP providers and it makes difficult for customers to choose the right options for them. We reviewed the most popular cost-effective VOIP alternative options, Ooma vs.