cisco.so  - Cisco snmp parser
I have tested it for 2511/2509 and AS5300 (analog and ISDN users),
(have tested for 120 and 240-ports AS5300).
I think, platforms like 26xx or 2522 with modules or universal
ports will have problems. Hope to fix it soon.
No way to detect/drop users via SNMP on FXO/FXS VoIP ports -
you should use other way - tcl scripts, etc.

none.so - void module


Parsers avaiable in sources

the API documentation for own parser will be available soon
