IARI
IMS Application Reference Identifier
An IARI is used to uniquely identify an IMS application. IMS applications provide an IMS service which utilize established IMS Communication Services in order to provide a specific service to the customer. An example IARI for geolocation services would be +g.3gpp.iari-ref=”urn%3Aurn-7%3A3gpp-application.ims.iari.rcs.geopush”