A Framework to tackle Spam and Unwanted Communication for Internet Telephony
draft-tschofenig-sipping-framework-spit-reduction-04

Document Type Expired Internet-Draft (individual)
Last updated 2008-07-14
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at
https://www.ietf.org/archive/id/draft-tschofenig-sipping-framework-spit-reduction-04.txt

Abstract

Spam, defined as sending unsolicited messages to someone in bulk, is likely to become a problem on SIP open-wide deployed networks. A number of solutions have been proposed for dealing with Spam for Internet Telephony (SPIT) and unwanted communication, such as content filtering, black lists, white lists, consent-based communication, reputation systems, address obfuscation, limited use addresses, turing tests, computational puzzles, payments at risk, circles of trust, and many others. This document describes the big picture that illustrates how the different building blocks fit together and can be deployed incrementally.

Authors

Hannes Tschofenig (Hannes.Tschofenig@gmx.net)
Henning Schulzrinne (hgs@cs.columbia.edu)
Dan Wing (dwing@cisco.com)
Jonathan Rosenberg (jdrosen@cisco.com)
David Schwartz (dschwartz@xconnect.net)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)