realm in User-Name stripped in accounting data?

[ST Wong (ITSC)]

>> We setup proxy (on freeradius 2.1.3) by putting following lines in 
>> users and acct_users:
>>
>> DEFAULT         Huntgroup-Name == Aruba, Aruba-Essid-Name == "Univ
>> WiFi", Realm != "localream.mydomain", Proxy-to-realm := "remoteRealm"
>>
>> Authentication works properly while User-Name in accounting data, the

>> @realm part is removed.
>
>Is it there in Access-Accept? If username is stripped in Access-Accept
it won't be present in accounting packets.

No, it's not in Access-Accept...  Is it possible to append @realm part
to proxied User-Name field in accounting data (or somewhere else where
appropriate)?

Thanks a lot.
/ST Wong