Wazo is described as 'Is mainly an IPBX that provides communication services such audio, video, and instant messaging based on the use of standard network technologies such as the TCP/IP protocol. It is interoperable with most market telephony systems and gives users access to flexible and' and is an app in the social & communications category. There are more than 25 alternatives to Wazo for a variety of platforms, including Linux, Web-based, Windows, SaaS and Mac apps. The best Wazo alternative is Asterisk, which is both free and Open Source. Other great apps like Wazo are 3CX, Twilio, FreeSWITCH and FreePBX.