“Corvum would be good for any small to medium-sized attorney who wants the functionality of VoIP phone services. It is particularly good for ones who want business texting, and have remote workers who need access to an ‘office’ phone.” Zach Glaser Attorney, Legal Tech Advisor Lawyerist.com
Twilio - Brings voice and messaging to your web and mobile applications.
Dialpad - Switch is a cloud-based phone system built for Google Apps users.
RingCentral - RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies
Ooma - Ooma us a free internet based phone service the delivers the efficient VoIP services at clear calls.
CallHippo - Easy to use Phone System with World-Class Support
Nextiva - Business VoIP, cloud phone systems trusted by more than 150,000 companies. Powered by the leading cloud PBX VoIP platform, Nextiva is rated the best business VoIP service provider.