Updated 20 May, 2013, 8:22 pm IST
Tuesday April 10 03:33 pm
No voice for Airtel's 4G service
Bharti Airtel, the biggest telecom services company, launched broadband wireless access or BWA services based on 4G technology in Kolkata today. NDTV learns that Intelligence agencies want the DoT to ensure proper interception on 4G networks. Bharti will not provide voice services in 4G networks.