Name: draft-schulzrinne-sipping-emergency-req-01
Title: Requirements for Session Initiation Protocol (SIP)-based Emergency Calls
State: Active
Authors: Henning Schulzrinne
Group: Individual Submissions (none)
Date: 2004-10-25
This document enumerates requirements for emergency calls in VoIP and
general Internet multimedia systems. We divide the requirements into 'trunk
replacement' and 'end-to-end'. Trunking 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 may also apply to other
environments, such as those using H.248/Megaco, MGCP or H.323.
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