 Ooma Basic customers are charged monthly taxes and regulatory recovery fees (which vary by location), and get unlimited calling within the U.S., low-cost international calling, free Ooma-to-Ooma calling, basic voicemail, basic caller ID, call waiting, and E911 service.Launched in 2013, Ooma Office consists of a cloud-based phone system including business applications such as conferencing, virtual fax extensions and extension dialing.In August 2016, the mobile version of Ooma Office was released.