The DoT is the issuer of 'No Objection Certificates' that allows firms to engage in sale or rent of international SIM Cards and global calling cards.
from Top Telecom News | Latest Telecom Industry News, Information and Update: ET Telecom : ETTelecom.com https://ift.tt/2yVC0ZR
Wednesday, June 27, 2018
TRAI insists on toll free number, digital sale for global calling cards; rejects DoT's contention
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