Bharti Airtel Launches 4G VoLTE Services. Check Out Recharge Plans Called Airtel VoLTE , Bharti Airtel's new offering will be available on 4G- or LTE-enabled mobile devices with Airtel 4G SIMs and calls will be billed as per existing Airtel recharge plans. Airtel 4G VoLTE: Calls will be billed as per existing Bharti Airtel recharge plans/packs, the firm said Story Highlights Bharti Airtel launched VoLTE services in Mumbai on MondayAirtel became second operator after Jio to offer VoLTE service in countryAirtel VoLTE to be available at no additional data charges, says company Bharti Airtel has launched its VoLTE or Voice over LTE (Long-Term Evolution) services in Mumbai, marking its entry as the second operator after Reliance Jio to start such service in the country. Called Airtel VoLTE , Bharti Airtel's new offering will be available on 4G- or LTE-enabled mobile devices with Airtel 4G SIMs, the telecom company said. Available at no additional data charges, the V...