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Title : Emergency Services for Internet Telephony based on the
Session Initiation Protocol (SIP)
Author(s) : H. Schulzrinne
Filename : draft-schulzrinne-sipping-sos-04.txt,.ps,.pdf
Pages : 14
Date : 2003-1-8
This document describes how Session Initiation Protocol (SIP) user
agents and proxies can set up emergency calls and, more generally,
reach emergency assistance via SIP requests. For that purpose, it
defines a universal emergency SIP URI, sip:sos@domain and
sips:sos@domain, that allows SIP user agents to contact the local
emergency number. It also defines conventions that increase the high
probability of reaching the appropriate emergency call center. The
document does not define any SIP protocol extensions.
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