After Mumbai, Madhya Pradesh and Chhattisgarh, Maharashtra & Goa, Gujarat, Andhra Pradesh and Telangana, Karnataka,Chennai and Coimbatore, Airtel has launched its 4G VoLTE services in Kolkata. This lets Airtel customers enjoy HD quality voice calls along with faster call set up time compared to normal voice calls on their VoLTE-compatible 4G handsets. Continue reading “Airtel launches VoLTE services in Kolkata”