Autonomously Bypassing Voip Filters With Asterisk: Let Freedom Ring presented at The Last HOPE 2008

by Blake Cornell, Jeremy Mcnamara,

Tags: Security Others Access

Summary : Foreign governments and ISPs within Panama, Belize, the Caribbean, Mexico, Brazil, the UAE, China, India, Saudi Arabia, and others have implemented VoIP filters of some type. The effect is obvious - phone calls are effectively blocked. How can Asterisk developers and providers develop mechanisms to help maintain communication through the wake of government supported access control mechanisms?