Grandstream Networks GXV3350 Instruction Manual

Grandstream Networks, Inc.
GXV3350
High-End Smart Video Phone
Administration Guide

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COPYRIGHT
©2021 Grandstream Networks, Inc. http://www.grandstream.com
All rights reserved. Information in this document is subject to change without notice. Reproduction or
transmittal of the entire or any part, in any form or by any means, electronic or print, for any purpose without
the express written permission of Grandstream Networks, Inc. is not permitted.
The latest electronic version of this guide is available for download here:
http://www.grandstream.com/support
Grandstream is a registered trademark and Grandstream logo is trademark of Grandstream Networks, Inc.
in the United States, Europe and other countries.
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 guide, could void your manufacturer warranty.
WARNING
Please do not use a different power adaptor with devices as it may cause damage to the products and void
the manufacturer warranty.

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U.S. FCC Statement
Part 68 Regulatory Information
This equipment complies with Part 68 of the FCC rules. Located on the equipment is a label that contains,
among other information, the ACTA registration numberand ringer equivalence number (REN). If requested,
this information must be provided to the telephone company.
The REN is used to determine the quantity of devices which may be connected to the telephone line.
Excessive REN’s on the telephone line may result in the devices not ringing in response to an incoming
call. In most, but not all areas, the sum of the REN’s should not exceed five (5.0). To be certain of the
number of devices that may be connected to the line, as determined by the total REN’s contact the
telephone company to determine the maximum REN for the calling area.
This equipment cannot be used on the telephone company-provided coin service. Connection to Party Line
Service is subject to State Tariffs.
If this equipment causes harm to the telephone network, the telephone company will notify you in advance
that temporary discontinuance of service may be required. If advance notice isn’t practical, the telephone
company will notify the customer as soon as possible. Also, you will be advised of your right the file a
complaint with the FCC if you believe it is necessary. The telephone company may make change in its
facilities. If this happens, the telephone company will provide advance notice in order for you to make the
necessary modifications in order to maintain uninterrupted service.
If the trouble is causing harm to the telephone network, the telephone company may request you to remove
the equipment from the network until the problem is resolved.
This equipment uses the following USOC jacks: RJ45C.
It is recommended that the customer install an AC surge arrester in the AC outlet to which this device is
connected. This is to avoid damaging the equipment caused by local lightning strikes and other electrical
surges.
Since this device has the HAC function, the earpiece is easy to absorb small, please take care to avoid
scratching.
If trouble is experienced with this equipment, please contact (Agent in the US):
Company Name: Grandstream Networks, Inc.
Address: 126 Brookline Ave, 3rd Floor Boston, MA 02215, USA
Tel: [phone]
Fax: [phone]

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Part 15 Regulatory Information
This device complies with part 15 of the FCC Rules. Operation is subject to the following two condition:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may cause undesired
operation.
Any Changes or modifications not expressly approved by the party responsible for compliance could void
the user’s authority to operate the equipment.
Note: This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This
equipmentshould be installed and operated withminimum distance 20cm between the radiator & your body.
This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

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Canada Regulatory Information
Operation of 5150-5250 MHz is restricted to indoor use only.
This device contains licence-exempt y=transmitter(s)/receiver(s) that comply with Innovation, Science and
Economic Development Canada’s licence-exempt RSS(s). Operation is subject to the following two
conditions:
(1) This device may not cause interference.
(2) This device must accept any interference, including interference that may cause undesired operation
of the device.
L’émetteur / récepteur exempt de licence contenu dans le présent appareil est conforme aux CNR
d'Innovation, Sciences et Développement économique Canada applicable aux appareils radio exempts de
licence. L'exploration est autorisée aux deux conditions suivantes:
(1) L'appareil ne doit pas produire de brouillage ;
(2) L'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en
compromettre le fonctionnement.
CAN ICES-3(B)/NMB-3(B)
The device meets the exemptionfrom the routine evaluation limits in section 2.5 of RSS 102 andcompliance
with RSS-102 RF exposure, users can obtain Canadian information on RF exposure and compliance.
This equipment should be installed and operated with minimum distance 20cm between the radiator & your
body. This transmitter must not be co-located or operating in conjunction with any other antenna or
transmitter.

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EU Regulatory Information
Support Frequency Bands and Power:
WLAN/BT 2.4 GHz < 20 dBm;
WLAN 5.2 GHz <23 dBm;
WLAN 5.3/5.6 GHz <20 dBm;
This equipment should be installed and operated with minimum distance 20cm between the radiator & your
body. Transmitter must not be co-located or operating in conjunction wirh any other antenna or transmitter.
The simplified EU declaration of conformity referred to in Article 10(9) shall be provided as follows:
Hereby, Grandstream Networks, Inc. declares that the radio equipment type GXV3350 is in compliance
with Directive 2014/53/EU.
The full text of the EU declaration of conformity is available at the following internet address:
www.grandstream.com
CE Authentication
Hereby, Grandstream Networks, Inc. declares that the radio equipment GXV3350 is in compliance with
Directive 2014/53/EU.
The full text of the EU declaration of conformity is available at the following internet address:
http://www.grandstream.com/support/resources/

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Table of Contents
DOCUMENT PURPOSE ...............................................................................................12
CHANGE LOG..............................................................................................................13
Firmware Version 1.0.3.27..................................................................................................................13
Firmware Version 1.0.3.25..................................................................................................................13
Firmware Version 1.0.3.20..................................................................................................................13
Firmware Version 1.0.3.19..................................................................................................................13
Firmware Version 1.0.3.17..................................................................................................................13
Firmware Version 1.0.3.13..................................................................................................................14
Firmware Version 1.0.1.8 ...................................................................................................................14
PRODUCT OVERVIEW ................................................................................................15
Feature Highlights..............................................................................................................................15
GXV3350 Technical Specifications .....................................................................................................16
GETTING STARTED.....................................................................................................18
Equipment Packaging ........................................................................................................................18
Connecting and Setting Up the GXV3350...........................................................................................18
Using the Phone Stand...................................................................................................................19
Using the Slots for Wall Mounting (Wall Mount *Sold separately) ....................................................19
Connecting the GXV3350...................................................................................................................20
GBX20 Extension Module ..................................................................................................................20
Installing the GBX20 to GXV3350 ...................................................................................................21
Cleaning the Phone............................................................................................................................22
GXV3350 LCD SETTINGS ...........................................................................................23
Access LCD Settings .........................................................................................................................24
Features ............................................................................................................................................24
Network .............................................................................................................................................26
Ethernet Settings............................................................................................................................26

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Wi-Fi ..............................................................................................................................................27
VPN ...............................................................................................................................................28
General Network Settings...............................................................................................................28
Proxy Settings ................................................................................................................................29
Tethering & Portable Hotspot ..........................................................................................................29
Basic..................................................................................................................................................29
Sound.............................................................................................................................................29
Display ...........................................................................................................................................30
Language & keyboard.....................................................................................................................30
Date & Time ...................................................................................................................................31
System ..............................................................................................................................................32
Security Settings ............................................................................................................................32
Peripherals .....................................................................................................................................33
Accounts ........................................................................................................................................33
Power Information ..........................................................................................................................33
Reboot the Phone...........................................................................................................................33
Apps ..................................................................................................................................................33
Application Management ................................................................................................................33
Default Application..........................................................................................................................34
Notification Center..........................................................................................................................34
Advanced...........................................................................................................................................35
Account Settings ............................................................................................................................35
System Updates .............................................................................................................................35
Syslog ............................................................................................................................................36
System Security .............................................................................................................................36
Status ................................................................................................................................................36
Account Status ...............................................................................................................................36
Network Status...............................................................................................................................36
System Info ....................................................................................................................................36
Storage Status................................................................................................................................36
GXV3350 WEB GUI SETTINGS ...................................................................................37
Status Page Definitions......................................................................................................................37
Status/Account Status ....................................................................................................................37

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Status/Network Status ....................................................................................................................37
Status/System Info .........................................................................................................................38
Account Page Definitions ...................................................................................................................38
Account/General Settings ...............................................................................................................38
Account/SIP Settings ......................................................................................................................41
Account/Codec Settings .................................................................................................................45
Account/RTP Settings.....................................................................................................................49
Account/Call Settings......................................................................................................................50
Account/Advanced Settings ............................................................................................................55
Account/Special Features...............................................................................................................57
Phone Settings Page Definitions ........................................................................................................58
Phone Settings/General Settings ....................................................................................................58
Phone Settings/Call Settings...........................................................................................................59
Phone Settings/Ring Tone ..............................................................................................................63
Phone Settings/Video Settings........................................................................................................64
Phone Settings/Multicast Paging.....................................................................................................65
Network Settings Page Definitions......................................................................................................66
Network Settings/Ethernet Settings.................................................................................................66
Network Settings/Wi-Fi Settings......................................................................................................68
Network Settings/OpenVPN® Settings............................................................................................68
Network Settings/Advanced Network Settings.................................................................................69
System Settings Page Definitions.......................................................................................................71
System Settings/Time and Language..............................................................................................71
System Settings/Security Settings ..................................................................................................72
System Settings/Preferences..........................................................................................................74
System Settings/TR-069.................................................................................................................76
Maintenance Page Definitions............................................................................................................76
Maintenance/Upgrade ....................................................................................................................76
Maintenance/System Diagnosis......................................................................................................81
Maintenance/Event Notification.......................................................................................................83
Maintenance/Voice Monitoring ........................................................................................................84
Application Page Definitions...............................................................................................................84
Applications/Programmable Key .....................................................................................................84

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System Application/Contacts ..........................................................................................................88
System Application/LDAP Book ......................................................................................................91
System Application/Recording ........................................................................................................93
Value-added Service Page Definitions................................................................................................93
Value-added Service/Value-added Service (0/10) ...........................................................................93
Value-added Service/General Settings............................................................................................94
UPGRADING AND PROVISIONING.............................................................................95
Upgrade and Provisioning Configuration ............................................................................................95
Upload Firmware Locally....................................................................................................................97
Upgrade via USB ...............................................................................................................................97
No Local Firmware Servers................................................................................................................97
Provisioning and Configuration File Download....................................................................................98
FACTORY RESET ......................................................................................................101
Restore to Factory Default via LCD Menu.........................................................................................101
Restore to Factory Default via the Web GUI .....................................................................................101
Restore to Factory Default via Hard Keys.........................................................................................102
SAFE MODE...............................................................................................................103
EXPERIENCING THE GXV3350 APPLICATION PHONE ..........................................104

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Table of Tables
Table 1: GXV3350 Features in a Glance ................................................................................................15
Table 2: GXV3350 Technical Specifications............................................................................................16
Table 3: Equipment Packaging...............................................................................................................18
Table 4: GBX20 Extension Module Packaging .......................................................................................21
Table 5: GXV3350 LCD Settings............................................................................................................23
Table of Figures
Figure 1: GXV3350 Package Content ....................................................................................................18
Figure 2: Phone Stand and Mounting Slots on GXV3350 .......................................................................19
Figure 3: Tab on The Handset Cradle.....................................................................................................20
Figure 4: GXV3350 Back / Side View.....................................................................................................20
Figure 5: GBX20 with connector ............................................................................................................21
Figure 6: Connect GXV3350 and GBX20...............................................................................................21
Figure 7: GXV3350 System Settings......................................................................................................24
Figure 8: GXV3350 Wi-Fi Hotspot..........................................................................................................29
Figure 9: GXV3350 Upgrade – Detect New Version ...............................................................................95
Figure 10: GXV3350 Upgrade Configuration via LCD.............................................................................96
Figure 11: GXV3350 Upgrade Configuration via Web GUI......................................................................96
Figure 12: Upload Firmware File to Update............................................................................................97
Figure 13: GXV3350 LCD – Start provision............................................................................................99
Figure 14: GXV3350 Web GUi – Start provision.....................................................................................99
Figure 15: Config File Upgrade Verification ..........................................................................................100
Figure 16: GXV3350 LCD - Confirm Factory Reset ..............................................................................101
Figure 17: GXV3350 Web GUI - Factory Reset ....................................................................................101
Figure 18: GXV3350 Web GUI - Confirm Factory Reset.......................................................................102

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DOCUMENT PURPOSE
This document describes how to configure the GXV3350 via phone's LCD menu and web UI menu to fully
manipulate phone's features. The intended audiences of this document are VoIP administrators. To learn
the basic functions of GXV3350, please visit http://www.grandstream.com/support to download the latest
“GXV3350 User Guide”.
This guide covers following topics:
Product Overview
Getting Started
GXV3350 LCD Settings
GXV3350 Web GUI Settings
Upgrading and provisioning
Restore factory default settings
Safe Mode
Experiencing the GXV3350 applications

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CHANGE LOG
This section documents significant changes from previous versions of administration guide for GXV3350.
Only major new features or major document updates are listed here. Minor updates for corrections or editing
are not documented here.
Firmware Version 1.0.3.27
Added a “Mute” option to account ring tone list. [Account Ring Tone]
Supported "Do not prompt Missed calls" for Ring Group missed call. [Call Log]
Improved Special Features settings layout on web UI. [Special Features]
Firmware Version 1.0.3.25
Differentiated rejected call logs from missed calls. [Rejected Call Notification]
Added Lagos, Nigeria GMT+1:00 to time zone list. [Time Zone]
Added file format verification when uploading OpenVPN® certificate files. [OpenVPN®
CA][OpenVPN® Client Certificate][OpenVPN® Client Key]
Added file format verification when uploading configuration files. [Upload Device Configuration]
Added Call Function Button Display Timeout (s). [Call Function Button Display Timeout (s)]
Added Self-defined time zone under web UI Time Settings. [Self-defined Time Zone]
Supported Handfree TX Gain setting. [Handfree TX Gain]
Supported voice monitoring VQ RTCP-XR session report. [VQ RTCP-XR Collector Name][VQ
RTCP-XR Collector Address][VQ RTCP-XR Collector Port]
Improved the button display in firmware update settings on LCD. [Provisioning and Configuration
File Download]
Supported web UI control list. [Web Access Control][Web Access Control List]
Supported LCD to be turned on when BLF/SCA status updated. [Enable LCD Turn on Automatically
when BLF/SCA status changes]
Firmware Version 1.0.3.20
Supported variables in provision server path. [Config Server Path]
Added a button on web UI/LCD to trigger provision. [Provisioning and Configuration File Download]
Firmware Version 1.0.3.19
No Major Changes.
Firmware Version 1.0.3.17
Added Warsaw, Berlin, Dublin time zone [Time Zone]

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Added the settings to display Preview or Door Button for incoming GDS calls [Value-added Service]
Added Register Before DNS SRV Fail-over for accounts [Register Before DNS SRV Fail-over]
Added Preferred Non-Interleaved Mode to Packetization Mode [Packetization Mode]
Added Enabling Video Call Function and Call Waiting for accounts separately [Call Features]
Added Remote Control section setting [Remote Control]
Added quick DTMF feature for outgoing/incoming call [Value-added Service]
Added settings to adjust Ringtone/Media/Alarm volumes [Audio Control]
Added Callee ID Display for account call settings [Callee ID Display]
Added “Hide User Info for Video Call” in phone general settings [Hide User Info for Video Call]
Firmware Version 1.0.3.13
No Major Changes.
Firmware Version 1.0.1.8
This is the initial version.

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PRODUCT OVERVIEW
Feature Highlights
The following table contains the major features of the GXV3350:
Table 1: GXV3350 Features in a Glance
GXV3350
16 lines with up to 16 SIP accounts, up to 6-way audio conference
and 3-way 720p 30fps HD video conference, phonebook with up to
1000 contacts, call history with up to 1000 records.
Dual switched 10/100/1000Mbps network ports, Dual-band 2.4GHz
& 5GHz Wi-Fi (802.11a/b/g/n), PoE/PoE+, Bluetooth 4.2+EDR, USB,
HDMI, EHS with Plantronics headsets support.
5" (1280x720) capacitive (5 points) touch screen TFT LCD, mega
pixel CMOS sensor camera with privacy shutter.
Dual MIC & HD speakerphone with noise reduction, advanced echo
cancellation and excellent double-talk performance.
Runs the Android™ Operating System 7.0.
Built-in support for GXV series of video surveillance cameras, and
GDS37xx series of access control devices.
Create Android applications for any business need to run on
GXV3350 using Grandstream's SDK toolkit.

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GXV3350 Technical Specifications
The following table resumes all the technical specifications including the protocols / standards supported,
voice codecs, telephony features, languages and upgrade/provisioning settings for the phone GXV3350.
Table 2: GXV3350 Technical Specifications
Protocols/Standards
SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS (A
record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, SIMPLE, LLDP-
MED, LDAP, TR-069, 802.1x, TLS, SRTP, IPv6, OpenVPN®
Network Interfaces
Dual switched 10/ 100/ 1000 Mbps ports with integrated PoE/PoE+
Graphic Display
5 inch 1024x600 capacitive touch screen (5 points) TFT LCD
Camera
Tiltable 1 mega-pixel CMOS camera with privacy shutter, 720P@30fps
Bluetooth
Yes, integrated. Bluetooth 4.0+EDR.
Wi-Fi
Yes, dual-band (2.4GHz & 5GHz) with 802.11 a/b/g/n
Auxiliary Ports
RJ9 headset jack (allowing EHS with Plantronics headsets), extension module
port, USB port, HDMI-out (1.4 up to 720p30fps)
Feature Keys
11 functions keys for CONFERENCE, TRANSFER, SEND/REDIAL, MUTE,
EARPHONE, SPEAKERPHONE, VOLUME -/+. 3 dedicated Android keys for
HOME, MENU, and BACK
Voice Codec
Wide-band Opus, wide-band G.722, G.711μ/a, G. 729A/B, G.726-32, iLBC, in-
band and out-of-band DTMF (In audio, RFC2833, SIP INFO), VAD, CNG, AEC,
PLC, AJB, AGC, ANS
Video Codec and
Capabilities
H.264 BP/MP/HP, video resolution up to 720p, frame rate up to 30 fps, bit rate up
to 2Mbps, 3-way video conference (720p@30fps), anti-flickering, auto focus and
auto exposure
Telephony Features
Hold, transfer, forward (unconditional/no-answer/busy), call park/pickup, 6-way
audio conference(including the host), shared-call-appearance (SCA) / bridged-
line-appearance (BLA), virtual Programmable Key, downloadable contacts (XML,
LDAP, up to 1000 items), call record(local and server), call log (up to 1000 records),
call waiting, auto answer, XML customization of screen, click-to-dial, flexible dial
plan, hot desking, personalized music ringtones and music on hold, server
redundancy & fail-over
Sample Applications
Local apps: Contacts, Call History, File Manager, Programmable Key, Settings,
Browser, Voicemail, Clock, Calculator, Recorder, GS Market, etc.
Support third-party Android apps
API/SDK available for advanced custom application development

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Applications
Deployment
Support Android 7.0 compliant applications to be developed, downloaded and run
on the device with provisioning control
HD Audio
Yes, 2 omnidirectional microphones, HD handset and speakerphone with support
for wideband audio
Base Stand
Yes, base stand with three adjustable levels
Extension Module
Yes, can power up to 4 GBX20 EXT modules which feature a 272x480 color LCD,
20 quick-dial/ BLF keys with dual-color LED, 2 navigation keys and less than
1.2W power consumption per unit
*The second GBX20 must be powered on by a 12V/1A PSU when 2 or more GBX20 extension modules are
connected to GXV3350
QoS
Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS
Security
User and administrator level passwords, MD5 and MD5-sess based authentication,
256bit-AES encrypted configuration file, TLS, SRTP, HTTPS, 802.1x media access
control
Multi-language
English, German, Italian, French, Spanish, Portuguese, Russian, Croatian,
Chinese, Korean, Japanese, and more
Upgrade/ Provisioning
Firmware upgrade via TFTP / HTTP / HTTPS or local HTTP upload, mass
provisioning using TR-069 or AES encrypted XML configuration file
Power and Green
Energy Efficiency
Universal power adapter included: Input: 100-240VAC 50-60Hz; Output 12VDC
1.5A
Integrated PoE* 802.3af Class 3, PoE+ 802.3at, Class 4
Physical information
Dimension: 210mm (L) x 243mm (L) x 47.5mm (H)
Unit weight: 1.24kg
Package weight: 1.67kg
Temperature and
Humidity
Operation: 0oC to 40oC
Storage: -10oC to 60oC
Humidity: 10% to 90% Non-condensing
Package Content
GXV3350 phone, handset with cord, base stand, universal power supply, network
cable, quick installation guide, brochure, GPL license
Compliance
FCC: Part 15 Class B; Part 15 Subpart C(15.247); Part 15 Subpart E(15.407); Part
68 HAC
IC: RSS-247; RSS-Gen; RSS-102; IECS-003; CS03
CE: EN 55032; EN 55035; EN 61000-3-2; EN 61000-3-3; EN 62368-1; EN 301
489-1; EN 301 489-17; EN 300 328; EN 301 893; EN 62311
RCM: AS/NZS CISPR 32; AS/NZS 4268; AS/NZS 62368.1; AS/CA S004

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GETTING STARTED
This chapter provides basic installation instructions including the list of the packaging contents and also
information for obtaining the best performance with the GXV3350.
Equipment Packaging
Table 3: Equipment Packaging
Figure 1: GXV3350 Package Content
Note: Check the package before installation. If you find anything missing, contact your system administrator.
Connecting and Setting Up the GXV3350
The GXV3350 can be installed on the desktop using the built-in stand or attached on the wall using the
slots for wall mounting.
GXV3350
1x GXV3350 Main Case.
1x Handset.
1x Phone Cord.
1x Phone Stand
1x Ethernet Cable.
1x 12V Power Adapter.
1x Quick Installation Guide.
1x GPL License.

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Using the Phone Stand
The GXV3350 has a phone stand. To set up the GXV3350 as your desk phone, follow the steps below:
1. For installing the phone on the table with the phone stand, attach the phone stand to the bottom of the
phone where there is a slot for the phone stand, (upper half, bottom part);
2. Connect the handset and main phone case with the phone cord;
3. Connect the LAN port of the phone to the RJ-45 socket of a hub/switch or a router (LAN side of the
router) using the Ethernet cable;
4. Connect the 12V DC output plug to the power jack on the phone; plug the power adapter into an
electrical outlet. If PoE switch is used in step 3, this step could be skipped;
The LCD will display the booting up screen or firmware upgrading information. Before continuing, please
wait for the main screen display to show up.
Figure 2: Phone Stand and Mounting Slots on GXV3350
Using the Slots for Wall Mounting (Wall Mount *Sold separately)
1. Attach the wall mount to the slots for wall mount spaces on the back of the phone;
2. Attach the phone to the wall via the wall mount hole;
3. Pull out the tab from the handset cradle (see figure below);
4. Rotate the tab and plug it back into the slot with the extension up to hold the handset while the
phone is mounted on the wall.
5. Connect the handset and main phone case with the phone cord;
6. Connect the LAN port of the phone to the RJ-45 socket of a hub/switch or a router (LAN side of the
router) using the Ethernet cable;
7. Connect the 12V DC output plug to the power jack on the phone; plug the power adapter into an
electrical outlet. If PoE switch is used in step 3, this step could be skipped;
The LCD will display the booting up screen or firmware upgrading information. Before continuing,
please wait for the main screen display to show up.

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Figure 3: Tab on The Handset Cradle
Connecting the GXV3350
To setup your GXV3350, please follow the steps below:
1. Connect the handset and main phone case with the phone cord;
2. Connect the LAN port of the phone to the RJ-45 socket of a hub/switch or a router (LAN side of the
router) using the Ethernet cable;
3. Connect the 12V DC output plug to the power jack on the phone; plug the power adapter into an
electrical outlet. If PoE switch is used in step 2, this step could be skipped;
4. The LCD will display booting up or firmware upgrading information. Before continuing, please wait
for the main screen display to show up;
5. Using the web configuration interface or from the menu of the touch screen, you can further
configure network connection using static IP, DHCP etc.
Figure 4: GXV3350 Back / Side View
GBX20 Extension Module
The GXV3350 uses GBX20 as the extension module. The extension module is an ideal solution for the
busy enterprise environment looking to add the ability to receive and dispatch calls efficiently. Each GBX20
extension module has 20 programmable buttons, Left and Right buttons, supporting 40 Multiple Purpose
Keys to be configured. GXV3350 supports up to 4 extension modules, adding 160 fully programmable
phone extensions to the phone.