Radius for asterisk

Asterisk Asterisk Support
1

Is there any have documentation on radius used by asterisk? I don’t have any idea about radius,does anyone know we can I get this one. Is this free?If not, we can I get some quatations or support for this. Does any have an architecture for this setup?

Regards,
newbie_aste

2

i’ll answer the first bit … look in the wiki. the term ‘radius’ is a good search term to start with.