neelptl20702
Active Level 7
Voice over wireless LAN is the use of a wireless broadband network according to the IEEE 802.11 standards for the purpose of vocal conversation. In essence, it is voice over IP over a Wi-Fi network. In most cases, the Wi-Fi network and voice components supporting the voice system are privately owned.

Samsung supported Devices for VoWifi:

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Via. MoneyControl 

For Now VoWifi Works only in supported Region (Hyderabad) with Supported ISP only (Act fibrenet).

For Refrence Please Checkout: