anchor.diff:      {'H323-UserInformation',
        {'H323-UU-PDU',
         {alerting,
  -       {'Alerting-UUIE',
  -	{0,0,8,2250,0,2},
  -	{'EndpointType',asn1_NOVALUE,asn1_NOVALUE,asn1_NOVALUE,
  -	 asn1_NOVALUE,asn1_NOVALUE,
  -	 {'TerminalInfo',asn1_NOVALUE},
  -	 false,false},
  -	asn1_NOVALUE,
  -	{'CallIdentifier',<<0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0>>},
  -	asn1_NOVALUE,asn1_NOVALUE,asn1_NOVALUE,asn1_NOVALUE}},
  +       alerting_uuie()},
         asn1_NOVALUE,asn1_NOVALUE,asn1_NOVALUE,asn1_NOVALUE,asn1_NOVALUE},
        asn1_NOVALUE}.
  +
  +endpoint() ->
  +    {'EndpointType',asn1_NOVALUE,asn1_NOVALUE,asn1_NOVALUE,
  +     asn1_NOVALUE,asn1_NOVALUE,
  +     {'TerminalInfo',asn1_NOVALUE},
  +     false,false}.
  +
  +alerting_uuie() ->
  +    {'Alerting-UUIE',
  +     {0,0,8,2250,0,2},
  +     endpoint(),
  +     asn1_NOVALUE,
  +     {'CallIdentifier',<<0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0>>},
  +     asn1_NOVALUE,asn1_NOVALUE,asn1_NOVALUE,asn1_NOVALUE}.
   
   alerting_enc() ->
       "0380060008914a0002020120110000000000000000000000000000000000".
  
positive.code:     UI = <<109,64,1,57>>,
      {ok, _V} = 'MULTIMEDIA-SYSTEM-CONTROL':decode(Type, UI).
  
  roundtrip(T, V, HexString) ->
      Enc = asn1_test_lib:hex_to_bin(HexString),
      Enc = asn1_test_lib:roundtrip_enc('H323-MESSAGES', T, V),
  
negative.code: run(_Rules)  -> ok.
  
  run() ->
      roundtrip('EndpointType', endpoint()),
      roundtrip('Alerting-UUIE', alerting_uuie()),
      roundtrip('H323-UserInformation', alerting_val(), alerting_enc()),
      roundtrip('H323-UserInformation', connect_val(), connect_enc()),
      general_string(),
  