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1.2 Applications for the LTE Device .................................................................................................................................. 1
1.2.1 Internet Access ........................................................................................................................................................... 1
1.2.2 VoIP Features ............................................................................................................................................................. 1
1.3 The WLAN Button ....................................................................................................................................................... 3
1.4 Ways to Manage the LTE Device .................................................................................................................................. 4
1.5 Good Habits for Managing the LTE Device ................................................................................................................. 4
2.1.1 Accessing the Web Configurator ................................................................................................................................ 8
2.2 The Web Configurator Layout ................................................................ ................................ ...................................... 9
2.2.1 Title Bar ................................................................................................................................................................... 10
2.2.2 Main Window ................................ ................................................................ ................................ .......................... 10
2.2.3 Traffic Status ............................................................................................................................................................ 11
2.2.4 User Account ........................................................................................................................................................... 11
3.2 The Connection Status Screen .................................................................................................................................... 15
3.3 The System Info Screen .............................................................................................................................................. 16
4.1.1 What You Need to Know ......................................................................................................................................... 21
4.1.2 Before You Begin ..................................................................................................................................................... 22
5.1.2 Before You Begin ..................................................................................................................................................... 29
5.2 The Wireless General Screen ................................................................................................ ...................................... 29
5.3 The More AP Screen ................................................................................................................................................... 36
5.3.1 Edit More AP ........................................................................................................................................................... 37
5.4 The WPS Screen ......................................................................................................................................................... 38
5.5 The WMM Screen ...................................................................................................................................................... 40
5.7.2 Signal Problems ....................................................................................................................................................... 44
5.7.5.3 How WPS Works .................................................................................................................................................. 48
5.7.5.4 Example WPS Network Setup .............................................................................................................................. 49
5.7.5.5 Limitations of WPS .............................................................................................................................................. 51
6 Home Networking ...................................................................................................................... 53
6.1.1 What You Need To Know ........................................................................................................................................ 53
6.1.1.1 About LAN IP Address ......................................................................................................................................... 53
6.1.1.2 About UPnP .......................................................................................................................................................... 54
6.2 The LAN Setup Screen ............................................................................................................................................... 54
6.3 The Static DHCP Screen ............................................................................................................................................. 56
6.3.1 Before You Begin ..................................................................................................................................................... 56
6.4 The UPnP Screen ........................................................................................................................................................ 58
6.5 The File Sharing Screen .............................................................................................................................................. 58
6.6 The Media Server Screen ............................................................................................................................................ 60
8.1.1 What You Need To Know ........................................................................................................................................ 66
8.2 The Port Forwarding Screen ....................................................................................................................................... 67
8.2.1 The Port Forwarding Screen .................................................................................................................................... 67
8.2.2 The Port Forwarding Edit Screen ............................................................................................................................ 68
8.3 The DMZ Screen ........................................................................................................................................................ 70
8.4 The Sessions Screen.................................................................................................................................................... 70
8.5 The ALG Screen ......................................................................................................................................................... 71
8.6.2 What NAT Does ................................................................................................................................ ....................... 72
8.6.3 How NAT Works[h1] ............................................................................................................................................... 72
9 Dynamic DNS .............................................................................................................................. 74
9.1.1 What You Need To Know ........................................................................................................................................ 74
9.2 The Dynamic DNS Screen .......................................................................................................................................... 74
10.1.1 What You Need to Know ....................................................................................................................................... 76
10.2 The General Screen ................................................................................................................................................... 77
10.3 The Services Screen .................................................................................................................................................. 78
10.3.1 The Add New Services Entry Screen ..................................................................................................................... 79
10.4 The Access Control Screen ....................................................................................................................................... 80
10.4.1 The Add New ACL Rule/Edit Screen .................................................................................................................... 81
10.5 The DoS Screen ........................................................................................................................................................ 83
10.6.1 Guidelines For Enhancing Security With Your Firewall ........................................................................................ 83
11.1.1 What You Need to Know ....................................................................................................................................... 85
11.2 The MAC Filter Screen ............................................................................................................................................. 85
12.2 The Parental Control Screen ..................................................................................................................................... 87
12.2.1 Add/Edit a Parental Control Rule .......................................................................................................................... 88
13 VoIP ............................................................................................................................................. 91
13.1.1 What You Need to Know ....................................................................................................................................... 91
13.1.2 Before You Begin ................................................................................................................................................... 92
13.2 The SIP Service Provider Screen .............................................................................................................................. 93
13.3 The SIP Account Screen ........................................................................................................................................... 99
13.4 The Phone Region Screen ....................................................................................................................................... 103
13.5 The Call Rule Screen .............................................................................................................................................. 104
13.6.1 VoIP ..................................................................................................................................................................... 105
13.6.3 Quality of Service (QoS) ..................................................................................................................................... 111
15.1.1 What You Need To Know .................................................................................................................................... 116
15.2 The System Log Screen .......................................................................................................................................... 117
15.3 The Phone Log Screen ............................................................................................................................................ 118
15.4 The VoIP Call History Screen ................................................................................................................................. 118
16 Traffic Status ............................................................................................................................ 120
16.2 The WAN Status Screen .......................................................................................................................................... 120
16.3 The LAN Status Screen .......................................................................................................................................... 121
16.4 The NAT Status Screen ........................................................................................................................................... 122
16.5 The VoIP Status Screen ........................................................................................................................................... 123
17 User Account ............................................................................................................................ 125
17.2 The User Account Screen........................................................................................................................................ 125
18.1.1 What You Need to Know ..................................................................................................................................... 127
18.2 The Remote MGMT Screen .................................................................................................................................... 127
19 System ....................................................................................................................................... 129
19.1.1 What You Need to Know ..................................................................................................................................... 129
19.2 The System Screen.................................................................................................................................................. 129
20 Time Setting ............................................................................................................................. 131
20.2 The Time Setting Screen ......................................................................................................................................... 131
25.2 Power, Hardware Connections, and LEDs .............................................................................................................. 144
25.3 LTE Device Access and Login ................................................................................................................................ 145
25.4 Internet Access ........................................................................................................................................................ 146
25.5 Wireless Internet Access ......................................................................................................................................... 147
25.6 Phone Calls and VoIP.............................................................................................................................................. 148
The Device is an LTE (Long Term Evolution) device including an outdoor unit (ODU) and an
indoor unit (IDU). The LTE Device also provides a complete security solution with a robust
firewall based on Stateful Packet Inspection (SPI) technology and Denial of Service (DoS).
See the chapter on product specifications for a full list of features.
1 Introduction
1.2 Applications for the LTE Device
Here are some examples for which the LTE Device is well suited.
1.2.1 Internet Access
Your LTE Device provides Internet access by connecting to an LTE network wirelessly. Your
LTE Device supports LTE frequency bands 38, 40, 42, and 43 although the bands it actually
uses depends on your LTE service provider. Computers can connect to the LTE Device's
ETHERNET ports (or wirelessly).
Figure 1-1 LTE Device's Internet Access Application
You can register one SIP (Session Initiation Protocol) profile with one account for that profile
and use the LTE Device to make and receive VoIP telephone calls:
Figure 1-2 LTE Device's VoIP Application
The LTE Device sends your call to a VoIP service provider's SIP server which forwards your
calls to either VoIP or PSTN phones. Enable the LTE Device's SIP ALG feature to support SIP
phones and IAD devices on the LAN.
1.2.3 Wireless Connection
By default, the wireless LAN (WLAN) is enabled on the LTE Device. Once Wireless is enabled,
IEEE 802.11b/g/n compliant clients can wirelessly connect to the LTE Device to access
network resources. You can set up a wireless network with WPS (WiFi Protected Setup) or
manually add a client to your wireless network.
You can use the WIRELESS On/Off button on top of the device to turn the wireless LAN on or
off. You can also use it to activate WPS in order to quickly set up a wireless network with strong
security.
Turn the Wireless LAN On or Off
Step 1 Make sure the PWR/SYS LED is on (not blinking).
Step 2 Press the WIRELESS On/Off button for one second and release it. The WLAN/WPS LED
should change from on to off or vice versa.
----End
Activate WPS
Step 1 Make sure the PWR/SYS LED is on (not blinking).
Step 2 Press the WIRELESS On/Off 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/ WPS
LED should flash while the LTE Device sets up a WPS connection with the wireless device.
You must activate WPS in the LTE Device and in another wireless device within two minutes of each
other. See Section 5.7.6 for more information.
Web Configurator is for management of the LTE Device using a (supported) web browser.
1.5 Good Habits for Managing the LTE Device
Do the following things regularly to make the LTE Device more secure and to manage the LTE
Device more effectively.
Change the password. Use a password that's not easy to guess and that consists of different
types of characters, such as numbers and letters.
Write down the password and put it in a safe place.
Back up the configuration (and make sure you know how to restore it). Restoring an earlier
working configuration may be useful if the device becomes unstable or even crashes. If
you forget your password to access the Web Configurator, you will have to reset the LTE
Device to its factory default settings. If you backed up an earlier configuration file, you
would not have to totally re-configure the LTE Device. You could simply restore your last
configuration. Keep in mind that backing up a configuration file will not back up
passwords used to set up your VoIP account. Write down any information your ISP
provides you.
1.6 LEDs (Lights)
The following graphic displays the labels of the LEDs.
Figure 1-4 LEDs on the top of the Device
Figure 1-5 LEDs on the Ethernet Ports
None of the LEDs are on if the LTE Device is not receiving power.
The LTE Device has a successful 1000 Mbps
Ethernet connection with a device on the Local
Area Network (LAN).
Blinking
The LTE Device is sending or receiving data
to/from the LAN at 1000 Mbps.
Green
(Fast
Ethernet)
On
The LTE Device has a successful 10/100 Mbps
Ethernet connection with a device on the Local
Area Network (LAN).
Blinking
The LTE Device is sending or receiving data
to/from the LAN at 10/100 Mbps.
Off
The LTE Device does not have an Ethernet
connection with the LAN.
USB
Green
On
USB Storage device is plugged in.
RSRP: dBm
SINR: dB
RSRP <
-114
-114 <= RSRP
<
-109
-109 <= RSRP
<
-104
-104 <= RSRP
< -94
-94 <= RSRP <
-84
RSRP >=
-84
SINR < -2.8
0 1 1 1 1
1
-2.8 <= SINR <
1.2
0 1 2 2 2
2
1.2 <= SINR <
4.8
0 1 2 3 3
3
4.8 <= SINR <
13.2
0 1 2 3 4
4
SINR >= 13.2
0 1 2 3 4
5
Table 1-2 Signal Strength LED Definition
Refer to the Quick Start Guide for information on hardware connections.
1.7 The RESET Button
If you forget your password or cannot access the web configurator, you will need to use the
RESET button at the back of the device to reload the factory-default configuration file. This
means that you will lose all configurations that you had previously and the web access
password will be reset to the default.
Step 1 Make sure the POWER LED is on (not blinking).
Step 2 To set the device back to the factory default settings, press the RESET button for 5 seconds or
until the POWER LED begins to blink and then release it. When the POWER LED begins to
blink, the defaults have been restored and the device will restart to load the default settings.
The web configurator is an HTML-based management interface that allows easy device setup
and management via Internet browser. Use Internet Explorer 6.0 and later versions, Mozilla
Firefox 3 and later versions, or Safari 2.0 and later versions. The recommended screen
resolution is 1024 by 768 pixels.
In order to use the web configurator you need to allow:
Web browser pop-up windows from your device. Web pop-up blocking is enabled by
default in Windows XP SP (Service Pack) 2.
JavaScript (enabled by default).
Java permissions (enabled by default).
2.1.1 Accessing the Web Configurator
Step 1 Make sure your LTE Device hardware is properly connected (refer to the Quick Start Guide).
Step 2 Launch your web browser.
Step 3 Type "192.168.1.1" as the URL.
Step 4 A password screen displays. Type "admin" as the default Username and "LTEcpe" as the
default password to access the device's Web Configurator. Click Login. If you have changed
the password, enter your password and click Login.
For security reasons, the LTE Device automatically logs you out if you do not use the web configurator
for five minutes (default). If this happens, log in again.
Step 5 The following screen displays if you have not yet changed your password. It is strongly
recommended you change the default password. Enter a new password, retype it to confirm and
click Apply; alternatively click Skip to proceed to the main menu if you do not want to change
the password now.
Figure 2-2 Change Password Screen
Step 6The Connection Status screen appears.
Figure 2-3 Connection Status (The screenshot uses B2268H as an example.)
Step 7 Click System Info to display the System Info screen, where you can view the LTE Device's
interface and system information.
----End
2.2 The Web Configurator Layout
Click Connection Status > System Info to show the following screen. (See 3.3 The System
As illustrated above, the main screen is divided into these parts:
A - title bar
B - main window
C - navigation panel
2.2.1 Title Bar
The title bar shows the following icon in the upper right corner.
Click this icon to log out of the Web Configurator.
2.2.2 Main Window
The main window displays information and configuration fields. It is discussed in the rest of
this document.
After you click System Info on the Connection Status screen, the System Info screen is
displayed. See 3.3 The System Info Screen for more information about the System Info screen.
If you click LAN Device on the System Info screen (A in Figure 2-4), the Connection Status
screen appears. See 3.2 The Connection Status Screen for more information about the Connection Status screen.
If you click Virtual Device on the System Info screen (B in Figure 2-4), a visual graphic
appears, showing the connection status of the LTE Device's ports. The connected ports are in
color and disconnected ports are gray.
This screen shows the network status of the LTE
Device and computers/devices connected to it.
Network Setting
Broadband
Broadband
Use this screen to view or edit an LTE WAN
interface
SIM
Use this screen to enable or disable SIM PIN/PUK
code.
Wireless
General
Use this screen to turn the wireless connection on or
off, specify the SSID(s) and configure the wireless
LAN settings and WLAN authentication/security
settings.
More AP
Use this screen to configure multiple BSSs on the
LTE Device.
WPS
Use this screen to use WPS (Wi-Fi Protected Setup)
to establish a wireless connection.
2.2.3 Traffic Status
Use the Maintenance > Traffic Status screens to look at network traffic status and statistics of
the WAN, LAN interfaces and NAT. See 19 Traffic Status for more information.
2.2.4 User Account
Use the Maintenance > User Accounts screen to configure system password for different user
accounts. See 20 User Account for more information.
2.2.5 Navigation Panel
Use the menu items on the navigation panel to open screens to configure LTE Device features.
The following table describes each menu item.
control and/ or block web sites with the specific
URL.
VoIP
SIP
SIP Service
Provider
Use this screen to configure your LTE Device's
Voice over IP settings.
SIP Account
Use this screen to set up information about your SIP
account and configure audio settings such as volume
levels for the phones connected to the LTE Device.
Phone
Phone Device
Use this screen you will see which phone(s) will ring
when a specific SIP account number receive an
incoming call; and which SIP account number will
be used when a specific phone is used to make an
outgoing call.
Region
Use this screen to select your location.
Call Rule
Speed Dial
Use this screen to configure speed dial for SIP phone
numbers that you call often.
System Monitor
LTE Status
LTE Status
Use this screen to view detail LTE status
information.
Log
System Log
Use this screen to view the system logs for the
categories that you select.
Phone Log
Use this screen to view the LTE Device's phone
logs.
VoIP Call
History
Use this screen to view the LTE Device's VoIP call
history.
Traffic Status
WAN
Use this screen to view the status of all network
traffic going through the WAN port of the LTE
Device.
LAN
Use this screen to view the status of all network
traffic going through the LAN ports of the LTE
Device.
NAT
Use this screen to view the status of NAT sessions
on the LTE Device.
VoIP Status
VoIP Status
Use this screen to view the SIP, phone, and call
status of the LTE Device.
Maintenance
Users Account
Users Account
Use this screen to configure the passwords your
user accounts.
Remote MGMT
Remote MGMT
Use this screen to enable specific traffic directions
for network services.
After you log into the web configurator, the Connection Status screen appears. This shows the
network connection status of the LTE Device and clients connected to it.
Use the System Info screen to look at the current status of the device, system resources,
interfaces (LAN, WAN and WLAN), and SIP accounts. You can also register and unregister SIP
accounts.
If you click Virtual Device on the System Info screen, a visual graphic appears, showing the
connection status of the LTE Device's ports. See 2.2.2 Main Window for more information.
3.2 The Connection Status Screen
Use this screen to view the network connection status of the device and its clients. A warning
message appears if there is a connection problem.
If you prefer to view the status in a list, click List View in the Viewing mode selection box. You
can configure how often you want the LTE Device to update this screen in Refresh Interval.
Figure 3-1 Connection Status: Icon View (This screenshot uses B2268H for an example.)
Figure 3-2 Connection Status: List View
In Icon View, if you want to view information about a client, click the client's name and Info.
Click the IP address if you want to change it. If you want to change the name or icon of the
client, click Change name/icon.
In List View, you can also view the client's information.
3.3 The System Info Screen
Click Connection Status > System Info to open this screen.
Figure 3-3 System Info Screen (This screenshot uses B2268S for an example.)
Select the web configurator language from the drop-down list box.
Refresh Interval
Select how often you want the LTE Device to update this screen from
the drop-down list box.
Device Information
Host Name
This field displays the LTE Device system name. It is used for
identification. You can change this in the Maintenance > System
screen's Host Name field.
Model Name
This is the model name of your device.
MAC Address
This is the MAC (Media Access Control) or Ethernet address unique to
your LTE Device.
Software Version
This field displays the current version of the firmware inside the
device. It also shows the date the firmware version was created. Go to
the Maintenance > Firmware Upgrade screen to change it.
WAN Information
Mode
This is the method of encapsulation used by your ISP.
IP Address
This field displays the current IP address of the LTE Device in the
WAN.
LAN Information
IP Address
This field displays the current IP address of the LTE Device in the
LAN.
IP Subnet Mask
This field displays the current subnet mask in the LAN.
DHCP Server
This field displays what DHCP services the LTE Device is providing
to the LAN. Choices are:
Server - The LTE Device is a DHCP server in the LAN. It assigns IP
addresses to other computers in the LAN.
None - The LTE Device is not providing DHCP services to the LAN.
ULA IPv6 Address
This field displays the static IPv6 address and the prefix length the
LTE Device uses for the LAN IPv6 address.
Link-Local IPv6
Address
This field displays a unique address the LTE Device generates itself
for the LAN.
DHCPv6 Server
This field displays the IPv6 IP address of the DHCPv6 server.
IP Alias 1 Information
IP Address
This field displays the IP address for another logical LAN interface on
the LTE Device.
IP Subnet Mask
This field displays the subnet mask of the logical LAN network.
This is the channel number used by the LTE Device now.
WPS Status
Configured displays when a wireless client has connected to the LTE
Device or WPS is enabled and wireless or wireless security settings
have been configured. Unconfigured displays if WPS is disabled or
wireless security settings have not been configured.
SSID (1~4) Information
SSID
This is the descriptive name used to identify the LTE Device in the
wireless LAN.
Status
This shows whether or not the SSID is enabled (on).
Security Mode
This displays the type of security the LTE Device is using in the
wireless LAN.
LTE Status
Status
This displays 4G LTE if there is an LTE connection, otherwise, it
displays N/A.
SIM Card Status
This displays PIN disable if SIM card needs PIN or PUK to unlock, it
displays PIN required or PUK required.
Signal Strength
This displays the strength of the LTE connection that the LTE Device
has with the base station which is also known as eNodeB or eNB.
Service Provider
This displays the service provider's name of the connected LTE
Network.
Frequency Band
This displays LTE if there is an LTE connection.
Connection
Uptime
This displays how long the LTE connection has been available since it
was last established successfully.
RSRP
This displays the RSRP strength of the LTE connection that the LTE
Device has with the base station which is also known as eNodeB or
eNB.
SINR
This displays the SINR strength of the LTE connection that the LTE
Device has with the base station which is also known as eNodeB or
eNB.
ODU F/W Version
This displays the firmware version of the outdoor unit.
Module F/W
Version
This displays the firmware version of LTE module.
IMEI
This displays the LTE Device’s International Mobile Equipment
Identity number (IMEI). An IMEI is a unique ID used to identify a
mobile device.
IMSI
This displays the International Mobile Subscriber Identity (IMSI) of
the SIM card inserted in the outdoor unit. An IMSI is a unique ID used
to identify a mobile subscriber in a mobile network.
Interface Status
Interface
This column displays each interface the LTE Device has.
Status
This field indicates whether or not the LTE Device is using the
interface.
For the LTE WAN interface, this field displays Up when the LTE
Device is connected to an LTE network and Down when the LTE
Device does not have an LTE connection.
For the LAN interface, this field displays Up when the LTE Device is
using the interface and Down when the LTE Device is not using the
interface.
For the WLAN interface, it displays Up when WLAN is enabled or
Down when WLAN is disabled.
Rate
For the LTE WAN interface, this displays 4G LTE if there is an LTE
connection.
For the LAN interface, this displays the port speed and duplex setting.
For the WLAN interface, it displays the maximum transmission rate
when WLAN is enabled or N/A when WLAN is disabled.
System Status
System Up Time
This field displays how long the LTE Device has been running since it
last started up. The LTE Device starts up when you plug it in, when
you restart it (Maintenance > Reboot), or when you reset it (see
Section 1.7).
Current Date/Time
This field displays the current date and time in the LTE Device. You
can change this in Maintenance > Time Setting.
System Resource
CPU Usage
This field displays what percentage of the LTE Device's processing
ability is currently used. When this percentage is close to 100%, the
LTE Device is running at full load, and the throughput is not going to
improve anymore. If you want some applications to have more
throughput, other applications should be turned off.
Memory Usage
This field displays what percentage of the LTE Device's memory is
currently used. Usually, this percentage should not increase much. If
memory usage does get close to 100%, the LTE Device is probably
becoming unstable, and you should restart the device. See Chapter 23,
or turn off the device (unplug the power) for a few seconds.
Registration Status
Account
This column displays each SIP account in the LTE Device.
Action
This field displays the current registration status of the SIP account.
You have to register SIP accounts with a SIP server to use VoIP.
If the SIP account is already registered with the SIP server,
Click Unregister to delete the SIP account's registration in the SIP
server. This does not cancel your SIP account, but it deletes the
mapping between your SIP identity and your IP address or domain
name.
The second field displays Registered.
If the SIP account is not registered with the SIP server,
Click Register to have the LTE Device attempt to register the SIP
account with the SIP server.
The second field displays the reason the account is not registered.
Inactive - The SIP account is not active. You can activate it in VoIP >
SIP > SIP Settings.
Register Fail - The last time the LTE Device tried to register the SIP
account with the SIP server, the attempt failed. The LTE Device
automatically tries to register the SIP account when you turn on the
LTE Device or when you activate it.
Account Status
This field shows Active when the SIP account has been registered and
ready for use or In-Active when the SIP account is not yet registered.
URI
This field displays the account number and service domain of the SIP
account. You can change these in VoIP > SIP > SIP Settings.
This chapter discusses the LTE Device's Broadband screens. Use these screens to configure
your LTE Device for Internet access.
A WAN (Wide Area Network) connection is an outside connection to another network or the
Internet. It connects your private networks, such as a LAN (Local Area Network) and other
networks, so that a computer in one location can communicate with computers in other
locations.
4 Broadband
This LTE Device supports LTE connection for the WAN only.
Figure 4-1 LAN and WAN
4.1.1 What You Need to Know
The following terms and concepts may help as you read this chapter.
Encapsulation Method
Encapsulation is used to include data from an upper layer protocol into a lower layer protocol.
To set up a WAN connection to the Internet, you need to use the same encapsulation method
used by your ISP (Internet Service Provider).
WAN IP Address
The WAN IP address is an IP address for the LTE Device, which makes it accessible from an
outside network. It is used by the LTE Device to communicate with other devices in other
networks. It can be static (fixed) or dynamically assigned by the ISP each time the LTE Device
LABEL
DESCRIPTION
LTE Antenna
If your LTE Device has an external antenna, you may choose to use it
instead of the internal one.
Antenna
Mode
If you connect an external antenna to the LTE Device, select External Antenna here to have the LTE Device use it instead of the internal antenna.
Apply
Click this to save the change in this section.
tries to access the Internet.
If your ISP assigns you a static WAN IP address, they should also assign you the subnet mask
and DNS server IP address(es).
APN
Access Point Name (APN) is a unique string which indicates an LTE network.
4.1.2 Before You Begin
You may need to know your Internet access settings such as LTE APN, WAN IP address and
SIM card's PIN code if the INTERNET light on your LTE Device is off. Get this information
from your service provider.
4.2 Broadband Screen
The LTE Device must have a WAN interface to allow users to use the LTE connection to access
the Internet. Use this screen to view or modify the WAN interface. Click Network Setting >
Broadband to display the following screen.
Figure 4-2 Network Setting >Broadband
If the LTE network supports dual APNs, you can set up the second APN via this page. The
detail setting will be provided from your service provider. The second APN is dedicated for
transmitting VoIP traffic only. When the second APN is enabled (see Figure 4-2) and its NAT is
disabled (see Figure 4-3), the LTE Device forwards all VoIP related traffic received from the
built-in FXS port and SIP phones or IAD devices connected to the LAN to the connection. The
following table describes the fields in this screen.