Completely Automated Public Turing Test to Tell Computers and Humans Apart (CAPTCHA) based Robot Challenges for SIP
draft-tschofenig-sipping-captcha-01

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From revision

draft-tschofenig-sipping-captcha-01 (2008-02-25) draft-tschofenig-sipping-captcha-00 (2007-07-05)

To revision

draft-tschofenig-sipping-captcha-01 (2008-02-25) draft-tschofenig-sipping-captcha-00 (2007-07-05)

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Document history

Date	Rev.	By	Action
2008-08-28	01	(System)	Document has expired
2008-02-25	01	(System)	New version available: draft-tschofenig-sipping-captcha-01.txt
2007-07-05	00	(System)	New version available: draft-tschofenig-sipping-captcha-00.txt