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4G LTE Module User Guide
Version 1.2
Date: July 19, 2017
Yeastar Information Technology Co. Ltd.
Yeastar 4G LTE Module User Guide
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Contents
Introduction ............................................................................................................ 3
4G LTE Module Features ................................................................................................................ 3
4G LTE Module Frequency Bands .................................................................................................. 3
Installation .............................................................................................................. 4
Hardware Overview ......................................................................................................................... 4
Installing the SIM Card .................................................................................................................... 4
Installing the 4G LTE Module .......................................................................................................... 5
Configuring Cellular Network ................................................................................... 6
Verifying Signal Strength and Network Status................................................................................. 6
Changing 4G LTE Network .............................................................................................................. 7
Managing Cellular Data ................................................................................................................... 9
Changing PBX’s Network .............................................................................................................. 10
Accessing PBX via Cellular Network ....................................................................... 12
Registering Remote Extensions/Trunks via Cellular Network ................................. 12
Setting Up VoLTE Calls ............................................................................................ 13
Short Message Service (SMS) ................................................................................. 13
Y
eastar 4G LTE Module User Guide
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Introduction
Yeastar S-Series VoIP PBX supports 4G LTE module. This guide provides an overview of hardware
and configuration information for the 4G LTE module.
4G LTE Module Features
4G Connection
Accessing Yeastar S-Series VoIP PBX via the 4G network and enjoy all the powerful features of
S-Series VoIP PBX. It is suitable for temporary locations, mobile offices, and places where a
fixed-line broadband is not available.
Voice over LTE
Place the phone call over LTE connection rather than the existing 2G/3G voice networks. With
V
oLTE, you can expect faster connection time, high-definition call quality. Improving call stability
,
v
oice quality, and message integrations, VoLTE offers great benefits to companies.
4G LTE Network Failover
Automatically reroute the S-Series PBX’s internet usage to 4G LTE wireless network if the PBX’
s
p
rimary internet connection fails.
Short Message Service (SMS)
Supports SMS to Email and Email to SMS features.
4G LTE Module Frequency Bands
Yeastar 4G module supports 3G and 4G network. The Table 1 shows the operating regions and
frequency bands for Yeastar 4G LTE modules.
Table 1 4G LTE Module Frequency Bands
Yeastar 4G Module
Operating Region
3G
4G
EC25-E Europe WCDMA: B1/B5/B8
LTE FDD: B1/B3/B5/B7/B8/B20
LTE TDD: B38/B40/B41
EC25-A North America WCDMA: B2/B4/B5 LTE FDD: B2/B4/B12
EC25-AU Australia WCDMA: B1/B2/B5/B8
LTE FDD: B1/B3/B5/B7/B8/B28
LTE TDD: B40
EC25-J Japan WCDMA: B1/B6/B8/B19
LTE FDD: B1/B3/B8/B18/B19/B26
LTE TDD: B41
EC20 China and India WCDMA: B1/B8
FDD LTE: B1/B3/B8
TDD LTE: B38/B39/B40/B41
For
more details about the operating regions and carriers, please refer to this document.
Yeastar 4G LTE Module User Guide
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Installation
Hardware Overview
Front View Back View
Installing the SIM Card
Note: if the 4G LTE module is installed on the PBX, you need to power off the PBX before you start
to install or remove the SIM card.
1. Unlock the SIM card slot.
2. Insert the SIM card to the slot.
3. Lock the SIM card slot.
Yeastar 4G LTE Module User Guide
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Installing the 4G LTE Module
Important:
Please first power down the PBX, then install the 4G LTE module.
For S20/S50, you need to install the 4G LTE module into Slot1 if you want to use 4G cellular
network.
For S100/S300, you need to install the 4G LTE module into the first Expansion board Slot1 if you
want to use 4G cellular network.
The RF cable needs to be installed on MAIN 1 of the 4G LTE module.
The 4G LTE module can be used with one RF cable and one antenna. To strengthen signal, 2
RF cables can be installed but 2 antenna ports will also be occupied with the exception of S20.
1. Power off the PBX.
2. Open the upper case of the PBX.
3. Place the module above the mainboard, slowly insert each pin into right slot.
4. Insert the RF cable and the antenna.
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