@techreport{polk-ecrit-mapping-during-registration-00, number = {draft-polk-ecrit-mapping-during-registration-00}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-polk-ecrit-mapping-during-registration/00/}, author = {James Polk}, title = {{ECRIT Mapping During Session Initiation Protocol Registration}}, pagetotal = 15, year = 2006, month = feb, day = 28, abstract = {This document discusses four different Layer-7 options to solve the problem of getting the appropriate Public Safety Answering Point (PSAP) Session Initiation Protocol (SIP) Uniform Resource Identifier (URI) into an emergency calling capable device prior to it's user calling for help.}, }