SOS URN: Difference between revisions

An '''''SOS URN''''' is a service URN is one that startsstarting with “<span class="external free" rel="mw:ExtLink"><nowiki>urn:service:sos”</nowiki></span> which is used to mark calls as emergency calls as they traverse an IP network and to specify the desired emergency service in an ECRF request. See Service Uniform Resource Name.