Popular telecommunications operator, Airtel Nigeria, has bemoaned revenue loss as about 8.5 million of its customers were yet to comply with the linkage. Recall that the Federal Government had ordered telecommunications operators including MTN, Globacom, Airtel, and 9mobile to bar all outgoing calls of all Subscriber Identification Module cards not yet linked with the National … Continue reading NIN-SIM Linkage: Airtel Bemoans Loss Reveals 8.5m Are Yet To Comply