Callzo is described as 'Browser-based calling platform that lets businesses and individuals make US and Canada calls using dedicated virtual numbers' and is a Phone System in the business & commerce category. There are five alternatives to Callzo, not only websites but also apps for a variety of platforms, including Android, iPhone, Mac, Windows and iPad apps. The best Callzo alternative is Rakuten Viber, which is free. Other great sites and apps similar to Callzo are Google Voice, JustCall, CallHippo and Telzio.
Offers secure messaging with end-to-end encryption, unlimited free calls, group chats for up to 250 members, rich media sharing, emoji reactions, AR lenses, self-destruct messages, affordable international calls, community channels, and robust privacy across devices.
Japan
Google Voice gives you one number for all your phones, voicemail organized in an email format, free US long distance calls, low rates on international calls, and many free calling features, including transcripts, call blocking, call screening, conference calling, SMS, and more.
United States
Cloud-based phone platform offering virtual numbers in 58 countries, real-time web and mobile calls, SMS, call recording, analytics, team collaboration, CRM integration, call distribution, instant setup, voicemail, flexible use, and international call management.
United States
Cloud telephony platform delivering instant virtual numbers in over 50 countries, easy-to-use web interface, robust backend, setup in less than three minutes, softphone solution replacing desk phones, scalable for global support teams and remote work.
United States
Telzio powers billions of conversations globally with our best-in-class cloud phone service. We have built Telzio from the ground up to be user-friendly, reliable, and the highest quality service in the market.
United States
