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I-D ACTION:draft-schulzrinne-sipping-emergency-req-00.txt,.pdf



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	Title		: Requirements for Session Initiation Protocol 
                         (SIP)-based Emergency Calls
	Author(s)	: H. Schulzrinne
	Filename	: draft-schulzrinne-sipping-emergency-req-00.txt,.pdf
	Pages		: 0
	Date		: 2003-2-21
	
This document enumerates requirements for emergency calls in VoIP and
general Internet multimedia systems. We divide the requirements into
'last-mile' and 'end-to-end'. Last-mile solutions only exchange the
emergency call center's circuit-switched access by an IP-based
system.  The requirements for end-to-end IP-based emergency calling
address functional and security issues for determining the correct
emergency address, for identifying the appropriate emergency call
center and for identifying the caller and its location. While we
focus on systems that employ the Session Initiation Protocol (SIP),
many of the requirements also apply to other environments, such as
those using H.248/Megaco or H.323.

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