Reliance Jio unveils new plans that come with interconnect usage charges (IUC). New plans offer 2GB free daily data & free unlimited Jio-to-Jio voice calls. Under new plans, Jio customer will not have to buy IUC top-up vouchers for making voice calls. Jio subscribers will have to make get additional top-ups to make off net calls. Jio has started charging customers 6 paise/minute for making calls to other operators.