What are some alternatives?
When comparing Google Voice and UberConference, you can also consider the following products
RingCentral - RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies
GoToMeeting - GoToMeeting is a web conferencing service offering a range of services which are available on Mac, PC, iOS and Android devices.
Viber - Free and secure calls and messages to anyone, anywhere. Keep your conversations going no matter where you are.
join.me - Instant screen sharing. Instant Aha!
8x8 - 8x8's VoIP business phone systems deliver affordable, cloud-based voice, video, messaging, and call center solutions, helping you serve customers anytime, anywhere.
Zoom - Zoom unifies cloud video conferencing, simple online meetings, group messaging, and a software-based conference room solution.