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11.1.7 VPN
A mobile virtual private network (mobile VPN or mVPN) provides
mobile phones with access to network resources and software
applications on their home network, when they connect via other
wireless or wired networks. Mobile VPNs are used in environments
where workers need to keep application sessions open at all
times, throughout the working day, as the user connects via
various wireless networks, encounters gaps in coverage, or
suspend-and-resumes their phones to preserve battery life. A
conventional VPN can't survive such events because the network
tunnel is disrupted, causing applications to disconnect, time out,
fail, or even the computing device itself to crash.
For more information on VPN, please refer to "6.7 Connecting to
virtual private networks"
11.1.8 Private DNS
Touch to select private DNS mode.
11.1.9 WiFi Calling
(1)
WiFi Calling allows your device to make a voice call over a Wi-Fi
network.
1 Touch the switch to turn on/off WiFi Calling.
2 You can select calling preference, Wi-Fi preferred or Cellular
preferred when you enable it.
3 When connected to Wi-Fi and successfully registered to WiFi
Calling, WiFi Calling icon will automatically appear on the
status bar, then you can make your voice call.
Before using WiFi Calling, you need to insert the
VoWiFi SIM card to your phone.
For Single SIM device, you can also access WiFi Calling by
touching the icon at the top-right corner in the Call screen,
then select Settings > Calls > WiFi Calling.
(1)
This service and/or relevant options are not available in all markets.
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