[asterisk-users] How to Billing for MeetMe Conference?

[Zhang Shukun]

hi,Dear all
        as you know, MeetMe has cdr for each attendant. but the fee is
always paid by the moderator. not by each one.
and the the members in the conference are dynamic changed.

in this scenario, how to billing for MeetMe conference? and i want to
hungup all the calls when the account fee of the moderator is not
enough.

thanks for your help!

-- 
Thanks & Regards
Sucan