Grandstream Networks GXW45 Series User manual

Grandstream Networks, Inc.
GXW45xx Series
User Manual

GXW4500 Series – User Manual
Thank you for purchasing the Grandstream GXW450X Digital VoIP Gateway. The GXW450X offers an easy-to-manage, easy-to-configure IP
communications solution for any business with virtual and/or branch locations. The GXW450X supports popular voice codecs and is designed for f
compatibility and interoperability with third-party SIP providers, thus enabling you to fully leverage the benefits of VoIP technology, integrate an I
system into a VoIP network, and efficiently manage GXW450x supports SNMP (Simple Network Management Protocol) which is widely used in net
management for network monitoring for collecting information about monitored devices. To configure SNMP settings, go to GXW450x Web
GUI→System Settings→SNMPcommunication costs.
This manual will help you learn how to operate and manage your GXW450X Digital Gateway and make the best use of its many upgraded features
including simple and quick installation, multi-party conferencing, and direct IP-IP Calling. This Digital VoIP Gateway is very easy to manage and sca
specifically designed to be an easy-to-use and affordable VoIP solution for large and medium-sized enterprises
GATEWAY GXW450X OVERVIEW
The GXW450X series are E1/T1/J1 Digital VoIP Gateways that allow digital PSTN and ISDN trunks to be integrated with VoIP networks. By connecti
GXW450X series with a VoIP network and traditional PBX or E1/T1/J1 providers, businesses can drastically increase the number of PSTN/ISDN trun
integrated with their VoIP network and the concurrent calls supported. The GXW450X series offers three models that provide 1, 2, or 4 T1/E1/J1 sp
and support 30, 60, or 120 concurrent calls.
Feature Highlights
The following table contains the major features of the GXW450X:
GXW450X
1,2 or 4 Software configurable E1/T1/J1 ports
Support of PRI, SS7and MFC R2 Signaling protocols
Dual Gigabit Auto-sensing RJ45 Network ports with integrated NAT router
Support of T.38 FAX for creating Fax-over-IP
Support of a wide range of voice codecs, including G.722, G.729, iLBC, OPUS, and more
TLS and SRTP security encryption technology to protect calls and accounts
Support of multi-language voice prompt
Supports up to 120 concurrent calls
Table 1: GXW450X Features Highlights
Safety Compliances
The GXW450X is compliant with various safety standards including FCC/CE. Its power adapter is compliant with UL standards.
Warning:
Use only the power adapter included in the GXW450X package. The use of an alternative power adapter may permanently damage the unit.
Warranty:
Grandstream has a reseller agreement with our reseller customers. End users should contact the company from whom the product was purchased, for
replacement, repair, or refund.
If you purchased the product directly from Grandstream, contact your Grandstream Support for an RMA (Return Materials Authorization) number.
Grandstream reserves the right to change the warranty policy without prior notification.
Caution
Changes or modifications to this product not expressly approved by Grandstream, or operation of this product in any way other than as detailed by this U
Manual, could void your manufacturer warranty.

GXW450X Technical Specifications
The following table resumes all the technical specifications including the protocols/standards supported, voice codecs, languages, and
upgrade/provisioning settings for the GXW450X
Interfaces
T1/E1/J1 Interface 1/2/4 RJ45 ports, supporting up to 30/60/120 simultaneous VoIP calls
Network Interfaces Dual self-adaptive Gigabit ports (switched or routed)
Peripheral Ports (2) USB 3.0, (1) SD card interface
LED Indicators WAN, LAN, T1/E1/J1
LCD Display 128×32 dot matrix graphic LCD with DOWN and OK buttons
Reset Switch Yes, long press for factory reset and short press for the reboot.
Voice Capabilities
Voice-over-Packet
Capabilities
LEC with NLP Packetized Voice Protocol Unit, 128ms-tail-length carrier grade Line Echo Cancellation, Dynamic Jitter Bu
Modem detection & auto-switch to G.711
Voice and Fax Codecs G.711 A-law/U-law, G.722, G.723.1 5.3K/6.3K, G.726, G.729A/B, Opus, iLBC, GSM-FR, AAL2-G.726-32
Fax over IP T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax Passthrough, Fax data pump V.17, V
V.27ter, V.29 for T.38 fax relay.
Voice-quality
Enhancement Echo cancellation (G.168-2004), Jitter buffer, Silence suppression (VAD, CNG), PLC
QoS Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS
Signaling & Control
DTMF Methods In-band audio, RFC2833, and/or SIP INFO
Digital Signaling
SIP (RFC 3261) over UDP/TCP/TLS, PRI, SS7, MFC R2, RBS (pending)
PRI switch types: Euro ISDN, nation, Q.SIG
CAS: MFC R2 (Argentina, Brazil, China, Czech Republic, Colombia, Ecuador, Indonesia, ITU, Mexico, Philippines, Venezue
SS7: ITU, ANSI, China
Upgrade Firmware upgrade via TFTP / HTTP / HTTPS or local HTTP upload
Device Management Syslog, HTTPS, Web browser, voice prompt, backup and restore, port capture, and packet capture
Network Protocols TCP/UDP/IP, RTP/RTCP, ICMP, ARP, DNS, DDNS, DHCP, NTP, TFTP, SSH, HTTP/HTTPS, PPPoE, STUN, SRTP, TLS, LDAP, PP
Frame Relay (pending), IPV6, OpenVPN®
Status and statistic Call status and history, device status monitoring, and ISDN status monitoring
Security
Media Encryption SRTP, TLS, HTTPS, SSH, 802.1X
User-defined ports SIP port, RTP port, HTTP/HTTPS port

Advanced Defense Fail2ban, alert events, Whitelist, Blacklist, strong password-based access control
Physical
Universal Power
Supply
Input: 100-240VAC, 50/60Hz
Output: DC+12V/2A
Physical &
Dimensions
GXW4501: Unit Weight: 2350g; Package Weight: 3130g
GXW4502: Unit Weight: 2360g; Package Weight: 3140g
GXW4504: Unit Weight: 2380g; Package Weight: 3160g
Unit Dimensions: 485mm(L) x 191mm(W) x 46.2mm (H)
Temperature and
Humidity
Operating: 32 – 113ºF / 0 ~ 45ºC, Humidity 10 – 90% (non-condensing)
Storage: 14 – 140ºF / -10 ~ 60ºC, Humidity 10 – 90% (non-condensing)
Mounting Rack mount & Desktop
Additional Features
Multi-Language
Support
Web UI: English, Simplified Chinese, Traditional Chinese, Spanish, French, Portuguese, German, Russian, Italian, Polish, C
Customizable IVR/voice prompts: English, Chinese, British English, German, Spanish, Greek, French, Italian, Dutch, Polish
Portuguese, Russian, Swedish, Turkish, Hebrew, Arabic;
Customizable language pack to support any other languages
Compliance
FCC: 47 C.F.R FCC Part 15 Class B; 47 C.F.R FCC Part 68 (TIA-968-B Section 5.2.4 (T1+ISDN))
CE: EN 55032,EN 55035,EN 61000-3-2,EN 61000-3-3,EN 60950-1,TBR 4 (E1+ISDN),TBR 12 (E1),TBR 13 (E1+ISDN)
RCM: AS/NZS CISPR 32,AS/NZS 61000.3.2,AS/NZS 61000.3.3,AS/NZS 60950.1,AS/ACIF S016(E1),AS/ACIF S038(E1+ISDN
Other: ITU K.21 (Enhanced Levels); UL 60950-1 (Power adapter)
Table 2: GXW450X Technical Specifications
GETTING STARTED
This chapter provides basic installation instructions including the list of the packaging contents and also information for obtaining the best perfor
with the GXW450X.
Equipment Packaging
Unpack and check all accessories. Equipment includes
Figure 1: GXW450X Package Contents

Connecting the GXW450X
Connecting the GXW450X gateway is easy. Follow these steps to connect your GXW450X gateway to the Internet and access the unit’s configurati
pages.
1. Connect one end of a straight-through RJ45 Ethernet cable into the WAN port of the GXW450X; connect the other end to the uplink port of a
Ethernet switch/hub.
2. Connect the 12V DC power adapter to the DC 12V power jack on the back of the GXW450X. Insert the main plug of the power adapter into a
protected power outlet.
3. Connect one end of the T1/E1/J1 cable provided by the service provider into the T1/E1/J1 port of the GXW450X; connect the other end to the
T1/E1/J1 wall jack.
4. Wait for the GXW450X to boot up. The front LCD display will show the GXW450X hardware information when the boot process is completed.
5. Once the GXW450X is successfully connected to the network via the WAN port, the Network LED indicator will be lit green, and an IP address
shown on the LCD display.
Figure:2 Diagram of GXW4504 Back and Front Panel
WAN/LAN ports Ethernet ports used to connect the GXW to the local and external network
RESET Factory Reset button. Press and hold for a while to reset the factory default settings.
Power Jack Power adapter connection
E1/T1/J1 ports Digital port to be connected to a digital line.
USB port 2 Ports used to connect external USB drives to the GXW
SD Card Slot Reads the SD cards memory
Ground The ground screw needs to be connected to the ground.
Table 3: Definitions of the GXW450X Connectors
Using GXW450X Keypad Menu
The keypad menu of the GXW450X consists of 2 buttons: OK and Down keys to navigate different options.
1. Press the “OK” key to start browsing menu options.
2. Press “Down” to browse different menu options. Press “OK” to select an entry.
3. In the menu option, select “Back” to go back to the previous menu.
4. The LCD will return to default display after being idle in the menu for longer than 20 seconds.
The following table shows the LCD menu options.

View
Events
Critical Events
Other Events
Device
Info
Hardware: Hardware version number
Software: Software version number
P/N: Part number
MAC: Device MAC address
Uptime: System up time since the last reboot
Networ
k Info
LAN Mode: DHCP, Static IP or PPPoE
LAN IP: IP address
LAN Subnet Mask
Networ
k Menu
LAN Mode: Select LAN mode as DHCP, Static IP or PPPoE
Static Routes Reset: Click to reset the static route setting
Factory
Menu
Reboot
Factory Reset
LCD Test Patterns
Press “OK” to start. Then press the “Down” button to test different LCD patterns. When done, press the “OK” button to exit.
Fan Mode
Select “Auto” or “On”.
LED Test Patterns
Select “All On” “All Off” or “Blinking” and check the LED status for USB, SD, T1/E1/J1, Phone 1/Phone 2, Line 1/Line 2 ports. After the
test, select “Back” in the menu, and the device will show the LED actual status again.
RTC Test Patterns
Select “2022-02-22 22:22” or “2011-01-11 11:11” to start the RTC (Real-Time Clock) test pattern. Check the system time from LCD idle
screen by pressing the “DOWN” button, or from the Web GUI🡪System Status🡪General page. After the test, reboot the device man
and the device will display the correct time.
Hardware Testing
Select “Test DSP” to perform the DSP test on the device. This is mainly for factory testing purposes
which verifies the hardware connection inside the device. The diagnostic result will display on the LCD after the test is done.
Default
Passwor
d
Showing the default Web login password. Once the password was changed, this menu will not show again.
Web
Info
Protocol: Web access protocol. HTTP or HTTPS. By default, it’s HTTPS
Port: Web access port number. By default, it’s 8089
SSH
Switch
Enable SSH: Enable SSH access.
Disable SSH: Disable SSH access.
By default, SSH access is disabled.
Table 4: LCD Menu Options
Use the LED Indicators
The GXW450X has LED indicators in the front to display the connection status. The following table shows the status definitions.

LED Indicator LED Status
Power
LAN
WAN
Solid: Connected
OFF: Disconnected
T1/E1/J1
Solid: Connected and working
Blinking: No cable is connected; or connected but the link is not working at all.
Table 5: GXW450X LED Indicators
Configuring GXW450X via Web GUI
Web GUI Access
The GXW450X embedded Web server responds to HTTP/HTTPS GET/POST requests. Embedded HTML pages allow users to configure the device t
a Web browser such as Microsoft IE, Mozilla Firefox, or Google Chrome.
Figure 3: GXW450X Web GUI Login Page
To access the Web GUI:
1. Connect the computer to the same network as the GXW450X.
2. Ensure the GXW450X is properly powered on and displays the IP address on the LCD screen.
3. Open a web browser on the computer and enter the displayed IP address into the search bar in the following format:
https://ipaddress:portnumber
4. Enter username and password to login. (The default administrator username is “admin” and the default random password can be found on th
sticker on the GXW450X).
Reset Password at First Login
At first login, users will be forced to change the default admin password. The following screen will be shown, enter the requested information to p

Enter New Password
Re-enter New Password
Email Addresses: Email to be used to recover the password if lost.
Press “Confirmed” to apply the settings and access the web GUI.
Figure 4: Reset Password
Setup Wizard
When the user logs in to the GXW450X Web GUI for the first time, he will be asked to change the default password and add an email address to im
security, and a setup wizard will provide guidance to set up basic configuration. Configurations in the setup wizard include Network settings, Time
and Trunk/routes.

Figure 5: GXW450X Setup Wizard
Web GUI Configurations
There are six main sections in the Web GUI for users to view the Gateway status and configure and manage the GXW450X.
System Status: Displays GXW450X Dashboard, System Information, Active calls, and network status.
Trunk: To Digital and VoIP trunks and manage inbound/outbound call routes.
Gateway Settings: SIP Settings, RTP Settings, and interface settings.
System Settings: To configure The HTTP server, network settings, OpenVPN®, security settings, Email Settings, and Time Settings.
Maintenance: To perform the firmware upgrade, backup configurations, user management cleaner setup, reset/reboot, Syslog setup, and
troubleshooting
CDR: View call records and download CDR reports.
Web GUI Languages
Currently the GXW450X series Web GUI supports English, Simplified Chinese, Traditional Chinese,
Spanish, French, Portuguese, Russian, Italian, Polish, German, etc.
Users can select the displayed language on the Web GUI login page or at the upper right tab of the Web GUI after logging in.

Figure 6: GXW450X Web GUI Languages
Save and Apply Changes
Click on the “Save” button after configuring the Web GUI options on one page. After saving all the changes, make sure to click on the “Apply Chan
button on the upper right of the web page to submit all the changes. If the change requires a reboot to take effect, a prompted message will pop
you to reboot the device.
SYSTEM STATUS
The System Status section is the interface that allows users to check the general information about the GXW450X such as software and hardware
information, space usage, resources usage, etc.
Dashboard
The GXW450X monitors the status of Trunks, Digital Channels, Disk capacities, etc. It presents administrators with the real-time status in different s
under the Web GUI🡪System Status🡪Dashboard.
Figure 7: GXW450X Dashboard