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This Is A Recording — listing of tones used around the world

ITU tone list as of 2003

PDF of ITU-T E.180 — Various tones used in national networks according to ITU-T Recommendation E.180, updated 2010.05.01


git cheat sheet — tips on commonly used git commands

Related Projects

Kama'ilio —formerly SER (SIP Express Router); Kamailio provides a great front-end to