Kazoo, the revolutionary open-source 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 100+ APIs that gives them full access to the building blocks of the entire platform. Whether it be voice, video, or SMS, 2600Hz enjoys simplifying and opening the cryptic black box of telecom. Based in San Francisco, California, 2600Hz is a privately owned company.