Telecom regulator Trai on Wednesday slashed the charges for mobile number portability by almost 79 per cent to a maximum of Rs 4.
The prescribed ceiling for mobile number portability rates was Rs 19, so far.
Trai's latest move means that subscribers cannot be charged more than Rs 4 for their network port out requests but the recipient operators are "free to charge" a lesser amount from them for Mobile Number Portability (MNP).
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Trai had initiated a consultation process to review these charges in mid-December and followed it up with an open house discussion on the issue on January 16.
The authority has been of the view that considering the upsurge in the volume of porting requests with effect from July 3, 2015, and the financial results of both the mobile number portability service providers (MNPSPs), the ceiling of Rs 19 is "quite high" as compared to cost and volumes of transaction involved.