VoWiFi
or Voice over Wi-Fi calling is basically making calls using a Wi-Fi connection.
In essence, It is voice over IP (VoIP) over a Wi-Fi
network. It uses IEEE 802.11 wireless LANs based networks to
make Voice over IP (VoIP) calls. In simple terms, the feature will allow you to
make normal calls using Wi-Fi when you are in places with low or no network
signals.
VoWiFi can be
conducted over any Internet accessible device, including a
laptop, PDA units which look and function like DECT
and cellphones. Just like for IP-DECT, the VoWiFi's main advantages
to consumers are cheaper local and international calls, free calls to other
VoWiFi units and a simplified integrated billing of both phone and Internet service providers.
Although VoWiFi
and 3G
have certain feature similarities, VoWiFi is different in the sense that it
uses a wireless internet network (typically 802.11) rather than a cellular network. Both VoWiFi and 3G are used in different
ways, although with a femtocell the two can deliver similar service
to users and can be considered alternatives.
