[OpenSIPS-Users] How to limit calls to specific number

[Akib Sayyed]

hello guys i am creating billing system for premium number portal
here i need to allow specific number of minutes to a DID.
how can i do that
any idea's

also i need to handle 1000 call
i know Opensips can handle it
but i want to route those calls to IVR server
tell me best server for IVR
which can handle 1000 concurrent calls
for ivr
also server hardware  needed if its asterisk
-- 
Akib Sayyed
Matrix-Shell
akibsayyed at gmail.com
akibsayyed at matrixshell.com
Mob:- +91-966-514-2243
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