Reliance JIO will charge on Idea, Vodapone, Airtel, customers 6 paise per minute.

Reliance Jio Infocomm Ltd. will charge the customer service 6 paise per minute for calls to competing networks until the time the mobile telecommunications administrator goes into a zero-charge billing system, the company said after the market in Wednesday However, Jio users will be compensated with free data of similar value.

Shares of Vodafone Idea Ltd. and Bharti Airtel Ltd. skyrocketed after the wireless billionaire-controlled carrier Mukesh Ambani said it would terminate free voice calls on its network.

Vodafone Idea collected as much as 18% before the end of the day with 6% profit at the highest price since August. Bharti rose 5% to the highest level since April last year, while the shares of Reliance Industries Ltd. increased for the third day.

Reliance Jio Infocomm Ltd. will charge the customer service 6 paise per minute for calls to competing networks until the time the mobile telecommunications administrator goes into a zero-charge billing system, the company said after the market in Wednesday However, Jio users will be compensated with free data of similar value.

The movement "seems to be a big deal as long as the market waits for Jio to move from land catchers to focus on profitable growth," said Sanford C. Bernstein analyst Chris Lane in a note.

Jio Reliance entered the industry in 2016 and became the country's leading telecommunications service provider this year after free calls and cheap data lured millions of users. For example, Vodafone Idea's share dropped more than 70% this year, even on Thursday.

Jio has already paid over 135,000 rupees (1.9 billion US dollars) user fees to competing operators since launch. The regulatory authorities have planned to cancel these expenses from January next year. But float a fresh new paper to see if the date needs to be fixed - a move that forces Jio to return to fulfill its promise.