Bharat Sanchar Nigam Limited (BSNL) is expanding its 4G coverage across the country. It already has 42,000 operational sites out of a planned 50,000. Compared to the 2G/3G network offered by BSNL, the 4G network comes with several improvements, including high-speed and low-latency wireless Internet access, and Voice-over LTE (VoLTE) calling support with high and low-latency calling. Support.
If you are a BSNL user who makes frequent voice calls, enabling VoLTE, which has good 4G coverage, can help improve call quality. While VoLTE is enabled by default for some users, it needs to be enabled manually in some cases.
On a 2G or 3G network, during a call, data will be automatically turned off. However, on a 4G network with VoLTE, 4G data will remain active during the call, and even when you call in a 4G coverage area, if VoLTE is disabled, the network will automatically rely on 3G or 2G. on the availability of bandwidth.
To activate VoLTE on your BSNL SIM, you need to send “ACTVOLTE” to 53733. After sending the message successfully, VoLTE will be enabled on your phone, and it works on both Android and iOS devices.
How to check if VoLTE is enabled?
If VoLTE is activated on your BSNL phone number, you should see the VoLTE icon on the top right corner of your Android smartphone. On iPhones, similar settings can also be verified in the top left corner of the menu and quick settings panel.
VoLTE is also available on networks like Airtel, Jio, and Vi, will also significantly improve cross-network audio quality during voice calls, and VoLTE allows users to make native video calls on some smartphones.