looks like this was resolved with additional dictionary entries;
VENDOR ChilliSpot 14559
BEGIN-VENDOR ChilliSpot
ATTRIBUTE ChilliSpot-Max-Input-Octets 1 integer
ATTRIBUTE ChilliSpot-Max-Output-Octets 2 integer
ATTRIBUTE ChilliSpot-Max-Total-Octets 3 integer
ATTRIBUTE ChilliSpot-Bandwidth-Max-Up 4 integer
ATTRIBUTE ChilliSpot-Bandwidth-Max-Down 5 integer
ATTRIBUTE ChilliSpot-Config 6 string
ATTRIBUTE ChilliSpot-Lang 7 string
ATTRIBUTE ChilliSpot-Version 8 string
ATTRIBUTE ChilliSpot-OriginalURL 9 string
ATTRIBUTE ChilliSpot-Acct-View-Point 10 integer
VALUE ChilliSpot-Acct-View-Point ChilliSpot-NAS-View-Point 1
VALUE ChilliSpot-Acct-View-Point ChilliSpot-Client-View-Point 2
# Configuration management parameters (ChilliSpot Only)
ATTRIBUTE ChilliSpot-UAM-Allowed 100 string
ATTRIBUTE ChilliSpot-MAC-Allowed 101 string
ATTRIBUTE ChilliSpot-Interval 102 integer
# Inline with RFC 2882 use of VSE-Authorize-Only for remote config
# Note that 14559 = 0x38df is used as prefix for the VSE.
# This is recognized as the best (but bad) way of doing VSEs.
# (ChilliSpot Only - CoovaChilli uses Service-Type = Administrative-User)
#VALUE Service-Type ChilliSpot-Authorize-Only 0x38df0001
END-VENDOR ChilliSpot