Bharti Airtel Takes On Reliance Jio, Rolls Out VoLTE Services Available at no additional data charges, the VoLTE service will enable Airtel customers to make calls to any mobile or landline network, said Bharti Airtel. Bharti Airtel said it plans to roll out VoLTE across the country over the next few months Bharti Airtel on Monday has launched its VoLTE or Voice over LTE services in Mumbai. Airtel VoLTE will be available on 4G- or LTE-enabled mobile devices with Airtel 4G SIMs, the telecom company said in a press release dated September 11. Available at no additional data charges, the VoLTE service will enable Airtel customers to make calls to any mobile or landline network, said Bharti Airtel, India's largest telecommunications services provider. Calls will be billed as per existing plan or pack, the telecom company noted. With Airtel VoLTE, Bharti Airtel marked its entry as the second operator after Reliance Jio to start 4G VoLTE service in the country. Bharti Airtel sa...