ZyXEL Communications NR Series - Device Maintenance; Making a Volte Phone Call; Upgrading the Firmware

Chapter 5 Web Interface Tutorials
NR/FWA Indoor Series User’s Guide
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3 Pick up the phone receiver.
4 Dial the VoIP phone number you want to call.
5.7.6 Making a VoLTE Phone Call
Follow these steps to make a phone calling using Voice over LTE (VoLTE).
1 Make sure that your SIM card supports VoLTE or Vo3G.
2 Log into the Web Configurator.
3 Go to the Configuration > Voice > Voice Mode screen.
4 On the Voice Mode screen, select VoLTE service, and then click Apply.
The Zyxel Device restarts.
5 Connect an analog telephone to a PHONE port on the Zyxel Device.
6 Pick up the phone receiver.
7 Dial the phone number you want to call.
5.8 Device Maintenance
This section shows you how to upgrade the Zyxel Device firmware, back up the configuration and
restore the Zyxel Device to its previous or default settings.
5.8.1 Upgrading the Firmware
Upload the router firmware to the Zyxel Device for feature enhancements.
1 Download the correct firmware file from the download library at the Zyxel website. The model code for
the Zyxel Device in this example is v5.13(ABLZ.1) Note the model code for your Zyxel Device. Unzip the
file.
2 Go to the Maintenance > Firmware Upgrade screen.
3 Click Browse/Choose File and select the file with a ".bin" extension to upload. Click Upload.