Nimbuzzout , the VOIP service of the leading communication application Nimbuzz offer extra 2 dollar credit of their customers.This Diwali top-up with $5 and get credit of $7 on NimbuzzOut.On top-up with every ‘Diwali special pack of $5′, Nimbuzz will give EXTRA FREE $2 credit so that you could call your dear ones and talk your heart out. The validity of the $7 credit is 7 days from the date of top-up and any unused balance from the $7 will expire and be deducted from your account after 7 days. This doesnt affect user’s existing balance or other standard top-ups you may make in this period.