VoWiFi Rolled Out by BSNL in All Circles
Why in the news
State-run BSNL switched on Voice over WiFi across all its circles. Subscribers can now call and text through a Wi-Fi link, which helps indoors and in remote spots where the mobile signal is poor or missing.
Key facts
- Operator: Bharat Sanchar Nigam Limited (BSNL), a state-run telecom company.
- Coverage: launched in all telecom circles of the country.
- Services: voice calls and SMS carried over Wi-Fi.
- Benefit: better connectivity where cellular coverage is weak or absent.
About VoWiFi
- Lets a person place and receive calls and messages through Wi-Fi rather than a cell tower.
- Built on the IMS (IP Multimedia Subsystem) framework.
- The subscriber keeps the same mobile number and the default phone dialer.
- Unlike internet-calling platforms, it needs no third-party app.
Exam angle
- Full form: Voice over WiFi; underlying framework: IP Multimedia Subsystem.
- Launched by: BSNL, across every circle.
- Key contrast: no extra app, unlike internet calling services.