Tresta is a cloud-based phone system provider that offers business phone solutions primarily designed for small and medium-sized enterprises. With features such as unlimited calling, texting, call recording, and voicemail, Tresta enables businesses to manage their communication needs efficiently. It allows users to make and receive calls from anywhere using their mobile devices or desktops. Tresta's services are designed to be flexible, scalable, and easy to set up without the need for additional hardware or lengthy contracts. The platform focuses on delivering professional communication tools to enhance customer interaction and business operations.