Reliance Communications' stance on the matter is in contrast to that of the larger players like Bharti Airtel and Vodafone that have slammed the Trai's latest decision.
Telecom operators levy Interconnection Usage Charge or IUC on incoming calls from the network of the other operator.
These charges are passed on to subscribers by service providers as part of the tariffs.
Bharti Airtel and Vodafone, two of the largest telecom players in India, have alleged that regulator's move to cut IUC charges will benefit only one operator and worsen the financial health of the stressed industry.
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"With voice calling becoming free, Trai's move will provide a level-playing field," the company said.
RCom said it welcomed the reduction in IUC to six paise, and also supported the Bill and Keep model, to be effective from January 2020.
Under Bill and Keep regime, the operators only keep record of incoming calls on their network, but do not raise any demand from other operators.
Earlier today, Airtel said: "The suggested IUC rate, which has been arrived at in a completely non-transparent fashion, benefits only one operator which enjoys a huge traffic asymmetry in its favour".
The Telecom Regulatory Authority of India (Trai) yesterday announced a cut in mobile call connection charges to six paise a minute, and a complete phasing out of these rates from January 1, 2020, a move that may benefit Mukesh Ambani- owned Reliance Jio and deal a blow to older players.