examples/sys.config

[{osmo_dia2gsup, [
        {hlr_ip, "127.0.0.1"},
        {hlr_port, 4222},

        {diameter_ip, "127.0.0.4"},
        {diameter_port, 3868},
        {diameter_proto, sctp},

        {origin_host, "hss.localdomain"},
        {origin_realm, "localdomain"},
        {vendor_id, 0},
        % Append default APN to diameter
        {append_default_apn, "false"}
]}].