I-D Action:draft-schwartz-sip-e164-ownership-01.txt

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A New Internet-Draft is available from the on-line Internet-Drafts directories.

	Title           : E.164 Ownership Problem Statement
	Author(s)       : D. Schwartz, et al.
	Filename        : draft-schwartz-sip-e164-ownership-01.txt
	Pages           : 15
	Date            : 2008-02-25

When a call travels end-to-end relayed from the PSTN to SIP then
problems occur with E.164 number ownership.  Additionally, there are
security challenges when the PSTN-VoIP gateway has to authenticate
and authorize the calling party.  Without addressing these two
aspects the overall security story is weak or non-existent.  This
document aims to investigate these two aspect; it does, however, not
investigate current E.164 number handling with RFC 4474 ("SIP
Identity").  Such an analysis is provided by other documents already.

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