[{osmo_dia2gsup, [ {hlr_ip, "127.0.0.103"}, {hlr_port, 4222}, {diameter_ip, "127.0.0.20"}, {diameter_port, 3868}, {diameter_proto, sctp}, {diameter_connect_timer, 200}, {origin_host, "hss.localdomain"}, {origin_realm, "localdomain"}, {vendor_id, 0} ]}].