ZyXEL Communications LTE5121, User Manual

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Chapter 1 Introduction
LTE-5121 User’s Guide
16
1.2.2 VoIP Features
Use SIP (Session Initiation Protocol) accounts with the LTE Device to make and receive VoIP
telephone calls.
Figure 2
LTE Device’s VoIP Application
The LTE Device sends your call to a VoIP service provider’s SIP server which forwards your calls
towards the destination VoIP or PSTN phones.
1.3 The WLAN Button
Use the
WLAN ON/OFF
button to turn the wireless LAN on or off.
1
Make sure the POWER LED is on (not blinking).
2
Push the
WLAN ON/OFF
button to the ON position. The WLAN LED should change from on to off or
vice versa.
Note: You must also enable WLAN in the Network > Wireless LAN > General screen to
use wireless LAN. The WLAN LED should be on.
1.4 The WPS Button
Use the WPS button to activate WPS in order to quickly set up a wireless network with strong
security.
1
Make sure the POWER LED is on (not blinking).
2
Press the
WPS
button for more than five seconds and release it. Press the WPS button on another
WPS -enabled device within range of the LTE Device. The WLAN LED flashes while the LTE Device
sets up a WPS connection with the wireless device.
Note: You must activate WPS in the LTE Device and in another wireless device within two
minutes of each other. See Chapter 5 on page 62 for more information.
PSTN