Following the launch in Mumbai, Airtel recently launched VoLTE services across rest of Maharashtra & Goa. With this option, now Airtel users can enjoy HD quality voice calls with faster call set up time compared to normal voice calls on their VoLTE-compatible 4G handsets. There will be no additional data charges for VoLTE and calls will be billed as per existing plan or packs benefits. As of now, only a few devices support the VoLTE option, and it’s worth mentioning here that the handset should be upgraded with the latest software provided by your mobile maker. In order to verify the VoLTE feature on your mobile phone, head on to Settings -> Mobile Data -> Mobile Data Options -> Enable 4G -> Turn on Voice & Data — if you are iOS user, else, go to Settings -> Settings -> Mobile Network -> Turn on VoLTE call, if you are an Android user. If you have a dual-SIM smartphone, the Airtel SIM should be inserted in the first SIM s...