2600Hz's cloud communications platform modernizes how businesses provide telephony services to their customers. KAZOO, the revolutionary open-source, UCaaS meets CPaaS distributed platform, is a thoughtfully engineered mixture of tools built by leaders in the telecom industry and implemented to offer a feature-rich enterprise telecom solution. 2600Hz has expanded to offer a full enterprise-PBX as well as a hosted version. For developers building their own telephony apps, 2600Hz offers 300+ APIs that give them full access to the building blocks of the entire platform.