Google Voice is a telephony service that provides call forwarding and voicemail services, voice and text messaging, as well as U.S. and international call termination services for Google Account customers in the U.S. and Canada. Developed by Google
License: Free
Telzio offers a more business-oriented solution with extensive call management features and scalability, making it ideal for companies, while Google Voice is user-friendly with strong integration into Google Workspace, making it suitable for individuals and small teams.