A complementary technology to VoLTE, VoWiFi uses IMS technology to provide a packet voice service delivered over IP via a ...
BSNL rolls out Wi-Fi calling nationwide, enabling free voice calls over Wi-Fi in low-signal areas as part of its network ...
NDTV Profit on MSN
BSNL launches voice over WiFi services — how does it work?
VoWiFi enables customers to make and receive voice calls and messages over a Wi-Fi network, ensuring clear and reliable ...
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