This company has allowed its customers to make free phone calls in U.S in 2007. Customers have to pay one time fee (initially) and applicable taxes and fees (such as 911 service fee) by the government. Average monthly charges may reach to $3.47.
Unlimited calls are subject to normal residential usage limitations. Ooma also provides high some other services like voice-mail, caller-ID and call-waiting. Company gives all these services to customers already having a regular home phone and a high speed internet connection.
Ooma experiences a temporary loss of power on Wednesday August 17, 2011 across the country in U.S. According to ooma,
The service interruption occurred around 5:40 a.m. PT today and was restored approximately three hours later. The service interruption caused excessive traffic to the Ooma corporate site causing a brief denial of service. Our customer support team is available to help with any isolated service issues that may persist. We sincerely regret any inconvenience this has caused our customers.
Ooma experienced the same type of problem for about 6 hours in 2009.