support Call-Info and Alert-Info

Hi, I have some question!

does VP530 support Call-Info and Alert-Info(RFC 3261)?

I Checked Alert-Info Operation, when i call to VP530 including Alert-Info Header, VP530 Download my wav file..but it doesn't play my wav file...does it need a specific format?

if VP530 doesn't support Call-Info and Alert-Info, please tell me which model support Call-Info and Alert-Info