how to connect asterisk to a accounting like IBS

[shahram_mas]

hi
i want to give some PIN or user/pass to some sip user thar are in my city
so,to give calling cost and have some rate for difrent location,i want to have a accounting
i specialy need to check the user credit befor starting caal,if he hasn`t credit dont allow him to call, and during a call if credit be 0 accuounting should say asterisk to terminate the call
i usually use cisco whith IBS and it work good
but here i want to run over asterisk
can anyone tell my how can,or it`s maybe in asterisk word to simply run this project?
and if yes please tell me about installation and configuration tip to run that
thankyou for your attention

[shahram_mas]

hi there is no any solution?

[dejanst]

This should be eazily done in the Asterisk diaplan. You should use a database for storing your customer credentials and check the database entry for every call the customer makes.

[shahram_mas]

i have a accunting like IBS,then i can have user&pass,can you explane how and where i can use ibs as accunting for starting a call,and also during a call if user credit be low asterisk should hangup the call
can you explane an example and configuration sample

[david55]

Type "core show application dial" at the CLI prompt and look for the options that set time limits on calls.