Chapter 4 Tutorials
LTE Series User’s Guide
58
4.5 Make a VoIP/VoLTE Phone Call
You can make phone calls over the VoIP/VoLTE via the Zyxel Device.
1 For VoIP, make sure a SIM card is installed on the Zyxel Device to have Internet access. For VoLTE
(Vo3G), contact your ISP to make sure that your SIM card supports VoLTE (Vo3G).
2 Log into the Web Configurator.
3 Go to the Configuration > Voice > Voice Mode screen.
4 Select Enable in the Voice Mode screen to activate the VoIP/VoLTE service. Click Apply.