Documents Numbering workshop

Technology Transitions: Numbering Numbering workshop Henning Schulzrinne FCC March 25, 2014 http://www.cs.columbia.edu/~hgs/papers/2014/ FCC Numbering workshop March 2014…

Documents Preventing callerID spoofing

Origin authentication Preventing callerID spoofing Henning Schulzrinne FCC draft-peterson-secure-origin-ps-00 Introduction What is number (callerID) spoofing? Is there “good”…