Secure Call Origin Identification

Document Type Expired Internet-Draft (individual)
Authors Alissa Cooper  , Hannes Tschofenig  , Jon Peterson  , Bernard Aboba 
Last updated 2013-06-03 (latest revision 2012-11-30)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


A number of parties have suggested creating mandates such that networks receiving voice calls would be capable of securely identifying the call origin. This document provides insights about the capabilities and limitations of supporting call origin identification in a secure and privacy- friendly way in the PSTN and for IP-based real-time communications.


Alissa Cooper (
Hannes Tschofenig (
Jon Peterson (
Bernard Aboba (

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