ETSI TR 102 180-2007 Basis of requirements for communication of individuals with authorities/organizations in case of distress (Emergency call handling) V1.1.1
2015ETSI TR 102 180-2015 Emergency Communications (EMTEL); Basis of requirements for communication of individuals with authorities/organizations in case of distress (Emergency call handling) (V1.5.1)
2011ETSI TR 102 180-2011 Emergency Communications (EMTEL); Basis of requirements for communication of individuals with authorities/organizations in case of distress (Emergency call handling) V1.3.1
2007ETSI TR 102 180-2007 Basis of requirements for communication of individuals with authorities/organizations in case of distress (Emergency call handling) V1.1.1