Hi,

    I have -2 in my account,but still i can hear ivr,Means call will never end even i have amount in minus 

  Bellow is my dial plan,

  <extension name="tollfree800">
    <condition field="destination_number" expression="^1{0,1}(800\d{7})$">
        <action application="set" data="nibble_rate=1.0"/>   <action application="set" data="nibble_account=2"/>
   <action application="answer"/>

        <action application="lua" data="/opt/ivr.lua"/>
    </condition>
</extension>