BSNL Launches Voice over WiFi (VoWiFi) Services Nationwide Across All Circles

• Bharat Sanchar Nigam Limited (BSNL), a CPSE under the Department of Telecommunications (DoT), Ministry of Communications, rolled out Voice over WiFi (VoWiFi / Wi-Fi Calling) across all telecom circles of India on 1 January 2026.
• VoWiFi is an IMS (IP Multimedia Subsystem)-based service permitting voice/SMS over any Wi-Fi network with seamless handover to mobile, offered free of cost to BSNL subscribers.
• For UPSC, the topic links PSU revival, Atmanirbhar Bharat in telecom, Digital India, and rural/remote connectivity (last-mile).