Grandstream Networks GXV3350 Instruction Manual

Grandstream Networks, Inc.
GXV3350
Administration Guide

GXV3350 – Admin Guide
WELCOME
The GXV3350 IP Video Phone for Android combines a 16-line IP video phone with a multi-platform video collaboration
solution and the functionality of an Android tablet to offer an all-in-one communications solution. This IP video phone
delivers a powerful experience through its’ 5 inch 1280×720 capacitive touch screen, tiltable camera, HDMI output, dual
microphones and support for 720p HD video. The GXV3350 adds dual Gigabit ports with PoE/PoE+, integrated Wi-Fi and
Bluetooth support. It also runs Android 7.0 and offers instant access to hundreds of thousands of Android apps. By combining
a state-of- the-art IP video phone and the functionality of an Android tablet, the GXV3350 offers businesses throughout the
world a powerful desktop communication and productivity solution.
Feature Highlights
The following table contains the major features of the GXV3350:
Table 1: GXV3350 Features in a Glance
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.
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.
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 1280×720 capacitive touch screen (5 points) TFT LCD
Camera Tiltable 1 mega-pixel CMOS camera with privacy shutter, 720P@30fps
Bluetooth Yes, integrated. Bluetooth 4.2+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), 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, 3-way conference, call park, call pickup, shared-call-
appearance (SCA)/bridged-line-appearance (BLA), downloadable phonebook
(XML, LDAP, up to 1000 items), call waiting, call log (up to 1000 records),
customization of screen, off-hook auto dial, auto answer, click-to-dial, flexible dial
plan, Hot Desking, personalized music ringtones and music on hold, server
redundancy and 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
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 272×480 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 & Green Energy
Efficiency
Universal power adapter included: Input: 100-240VAC 50-60Hz; Output 12VDC
1.5A

Table 2: GXV3350 Technical Specifications
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
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
GXV3350
●1x GXV3350 Main Case.
●1 x Handset.
●1x Phone Cord.
●1x Phone Stand
●1x Ethernet Cable.
●1x 12V Power Adapter.
●1x Quick Installation Guide.
●1x GPL License.

Figure 1: GXV3350 Package Content
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.
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 con tinuing, please wait for the main
screen display to show up.
Figure 2: Phone Stand on GXV3350
Using the Slots for Wall Mounting (Wall Mount *Sold separately)
Note
Check the package before installation. If you find anything missing, contact your system administrator.
Note
The 2 positions of the Phone Stand for GXV3350: One angle is 49.5°, and the other is 44.5°, between the device LCD interface
and the horizontal plane.

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 con tinuing, please wait for the main
screen display to show up.
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.
GBX20

Table 4: GBX20 Extension Module Packaging
Installing the GBX20 to GXV3350
To set up the GBX20 with the GXV3350, please follow the steps below:
1. On the back of the GBX20 and the GXV3350 there are slots for connector plate. Attach the connector plate between the
slots for the GBX20, Apply the screw provided and securely tighten the connector plate to the GBX20 (see next figure).
Figure 5: GBX20 with connector
2. Attach the other side of the connector plate to the GXV3350’s EXT slots like shown in the figure below:
Figure 6: Connect GXV3350 and GBX20
3. Connect the GBX20 to the GXV3350 via the USB port using the USB cable provided with the GBX20.
4. Install the phone stands on the GXV3350 and the GBX20.
5. Power up the GXV3350. The GBX20 will show the booting up screen with version information and connecting status.
6. After successfully booting up, the extension board will stay in idle. Press and hold the LEFT button for 3 seconds to check
the version information and status.
The GBX20 can be configured via the web GUI of the GXV3350 connected. After successfully configured, press LEFT or RIGHT
button on the GBX20 and users could browse all the Programmable Keys’ status in different pages.
●1x GBX20.
●1x GBX20 Stand.
●1x Connector.
●1x TypeA-MicroB USB Cable.
●1x 12V/1A Power Adapter.
●1x Screw.
●1x Quick Installation Guide.
Note
1. The GBX20 is an additional accessory for the GXV3350. Therefore, the GBX20 (including extension module accessories for
installation) is not included in the GXV3350 package.
2. In case two or more GBX20 extension modules are connected to the GXV3350, the second GBX20 needs to be powered on
by a 12V/1A PSU.

Cleaning the Phone
For daily dust removal and fingerprint removal, please use the screen cleaning cloth in the factory package to wipe the phone.
Before you clean the touchscreen, we recommend turning cleaning mode on, so that you will not activate phone functions
while wiping the touchscreen.
You can go toLCD Settings 🡺 Basic 🡺 Accessibilityto enable cleaning mode. Once finished, you can enable the
touchscreen again by pressing any hardkey on the phone.
For some special cases like medical environment, you can use medical alcohol or isopropanol. The steps are as followed:
1. Before cleaning the phone, stop using it and disconnect it from the power supply.
2. Spray a small amount of disinfectant on screen, camera, handle and other places that are easily touched by users.
3. Wipe the phone with screen cleaning cloth.
4. Power on until the disinfectant is completely volatilized.
GXV3350 LCD SETTINGS
The GXV3350 LCD MENU provides an easy access to the settings on the phone. Some of the settings from Web GUI could be
configured via the LCD as well. The following table shows the LCD setting menu options.
Important
Keep the power plug clean and dry, or may lead to electric shock or other perils.
DO NOT use disinfectant too frequently.
DO NOT use high degree or even pure disinfectant. It could damage the phone.
Features
●Call forwarding
●Call Block
●Shared Call Appearance (SCA)
●Auto Answer
●Account Ringtones
●Bluetooth
Network
●Ethernet Settings
●VPN
●Proxy Settings
●Wi-Fi
●General Network Settings
●Hotspot & tethering
Basic
●Sound
●Language & Keyboard
●Display
●Date & Time
●Security Settings
●Peripherals
●Accounts
●Power Information
●Reboot the phone
●Accessibility
Apps
●Application Management

Table 5: GXV3350 LCD Settings
Access LCD Settings
To open the settings menu, you should:
Tap on Settings app on the screen. Or;
Swipe down from the top of the home screen to open the notifications panel and hit the Settings icon in the top
right corner.
Figure 7: GXV3350 System Settings
Features
In this menu, users can configure different features related to each account of the active accounts:
Call Forwarding
The incoming call to this SIP account can be forwarded to another account using different rules as configured here.
Disabled: Call forwarding feature is disabled. This is the default setting.
Unconditional: Forward all calls to a number.
●Default Application
●Notification Center
Advanced
●Account Settings
●System Updates
●Syslog
●System Security
Status
●Account Status
●Network Status
●System Info
●Storage Status

Time based: Set the time range and number to be forwarded the calls to. In this time range, calls are forwarded to the
number specified in “In Time Forward To“; out of this time range, calls are forwarded to the number specified in “Out
Time Forward To“.
Others: Configure Call forward when the phone is Busy or on DND or based on No Answer Out.
Auto-Answer
IF Enabled and set to “Always”, the phone will automatically turn on the speaker phone to answer all incoming calls.
If enabled and set to “Enable Intercom/Paging”, the phone will answer the call based on the SIP info header sent from the
server/proxy.
By default, it’s turned off.
Harassment interception
Blacklist: This menu allows configuring a blacklist of number that will be blocked from calling the phone, users can either
enter the numbers to block manually, from contacts or from call history
Intercept anonymous calls: when enabled the phone rejects all the anonymous calls, users can choose on which account
this setting is to be applied
Account Ringtones
Select a ringtone for the incoming call to the SIP account chosen. The system ringtone is set by default.
Shared Call Appearance (SCA)
Shared Call Appearance (SCA): Enable or disable SCA on the account.
Enable Barge-in: If set to “Yes”, the user could barge into an active call on a shared line.
Auto Fill Call Park Code: If set to “Yes”, the configured “Call Park Service Code” will be automatically filled in on the
phone’s dial pad when picking up the parked call. This is used when “Special Mode” is set to “BroadSoft” (from web UI or
provisioning) and “Enable SCA” is set to “Yes”.
Call Park Service Code: Configure the retrieving feature code for call parking. If “Auto Fill Call Park Code” is set to “Yes”,
this call park service code will be automatically filled in on the phone’s dial pad when picking up the parked call. This is
used when “Special Mode” is set to “BroadSoft” (from web UI or provisioning) and “Enable SCA” is set to “Yes”.
Seize Line Timeout (s): Configure the time for the line can be seized (in seconds) when using shared line. The default
setting is 15 seconds. For Shared Call Appearance, phone will send a SUBSCRIBE-request for the line-seize event package
whenever a user attempts to take the shared line off hook. “Line Seize Timeout” is the line-seize event expiration timer.
Bluetooth
Bluetooth: Tap on “Bluetooth” to turn on/off Bluetooth connection. By default, it’s turned off.
Enable handsfree mode: Tap on “Enable handsfree mode” to activate it.
Show received files: Shows the Transfer history of Bluetooth files
Additional Settings: This menu is available only when the Bluetooth is enabled:
Device Name. Tap to change the name of the GXV3350, which is displayed on other Bluetooth devices when discovered.
By default, it’s “GXV3350_XXXXXX” Where XXXXXX are the last 6 digits of the phone’s MAC address.
Visibility timeout. Tap to select the timeout interval among “2 minutes”, “5 minutes”, “1 hour” or “never”. By default, the
visibility timeout is 2 minutes.
Visibility to nearby Bluetooth devices. Sets the visibility of the phone to other Bluetooth devices. Normally this option is
enabled during pairing process so that other Bluetooth devices can discover the GXV3350.
Available devices: This section will show the available devices for pairing. Tap on to initiate scan process on the
GXV3350 to discover the Bluetooth devices within the range.
Network
Users can configure Ethernet settings, Wi-Fi, VPN, PPPoE and other advanced network settings here.
Ethernet Settings
Data and VoIP use different networks: Configures whether to set up different networks for the phone data and the call.
If set to “Yes”, you need to configure the data network and VoIP network respectively. Take effect after rebooting.

Preferred Internet Protocol: Selects which Internet protocol to use. When both IPv4 and IPv6 are enabled, phone
attempts to use preferred protocol first and switches to the other choice if it fails.
IPv4 Settings: Here user can configure the IPv4 address type for both data and VoIP calls. For network configuration of
data, if DHCP is selected, the phone will get an IP address automatically from the DHCP server in the network. This is the
default mode. If Static IP is selected, manually enter the information for IP Address, Subnet Mask, Default Gateway, DNS
Server and Alternative DNS server. If PPPoE is selected, type PPPoE Account ID and PPPoE Password provided from the
PPPoE server to get authenticated for network access. For network configuration of VoIP calls, if DHCP is selected, the
phone will get an IP address automatically from the DHCP server in the network. This is the default mode. If Static IP is
selected, manually enter the information for IP Address, Subnet Mask, Default Gateway, DNS Server and Alternative DNS
server.
IPv6 Settings: Here user can configure the IPv6 address type only for data. If DHCP is selected, the phone will get an IP
address automatically from the DHCP server in the network. This is the default mode. If Static IP is selected, manually
enter the information for IP Address, Prefix Length, DNS Server and Alternative DNS server.
802.1x mode: This option allows the user to enable/disable 802.1x mode on the phone. The default setting is disabled. To
enable 802.1x mode, select the 802.1x mode and enter the required configuration depending on the 802.1x mode chosen.
The available modes are EAP-MD5, EAP-TLS and EAP-PEAP
Wi-Fi
Tap on “Wi-Fi” to turn on/off Wi-Fi connection. By default, it’s turned off.
Preferred Internet Protocol: Selects which Internet protocol to use. When both IPv4 and IPv6 are enabled, phone
attempts to use preferred protocol first and switches to the other choice if it fails.
Tap on “Wi-Fi Band” to set the type of WiFi Band (“2.4G”, “5G” or “2.4G&5G”). The default setting is 2.4G&5G.
Tap on “Wi-Fi Settings” to set up and manage wireless access points. This option is available only when Wi-Fi is turned
on.
Add Network. If the Wi-Fi network SSID doesn’t show up in the list, or users would like to set up advanced options for
the Wi-Fi network, roll to the end of the WiFi list and select “Add Network”. Then Enter SSID, Security type, password and
set up address type (DHCP/Static IP/PPPoE) in the prompt dialog. The phone will reboot with Wi-Fi network connected.
Refresh. Press MENU button and select “Refresh” to initiate scan for the Wi-Fi network within the range.
Advanced Settings. Press MENU button and select “Advanced”.
Install Certificates. This is to install certificates (previously download/uploaded to the phone) when connecting to
Wi-Fi network requesting SSL certificate.
Wi-Fi Direct. This is to set up peer-to-peer connection between two Wi-Fi Direct devices so that they can share data
and sync files. Press MENU button and select “Advanced”. Then tap on “Wi-FI Direct”, the Available devices will be
displaied.
Wi-Fi Configuration
Saved Networks: this is to show all the Wi-Fi Networks that are registered on the phone.
Network notification: If enabled, the phone will show notification on the top status bar indicating an open network
is available. By default it’s enabled.
MAC address: This shows the MAC address of the WiFi.
IP address: This shows the IP address of the phone from Wi-Fi network.
VPN
Enable / Disable OpenVPN®.
General Network Settings
LLDP
Turn on/off LLDP on the GXV3350. If turned on, the phone will be able to discover the LAN polices as set up in the switch side
to obtain network settings such as VLAN tag, Layer 2 QoS 802.1p priority and Layer 3 QoS in a plug-and-play manner.
LLDP TX Interval

Specifies the time interval, in seconds, between successive LLDP-MED transmission cycles
Layer 3 SIP QoS
This field defines the layer 3 QoS parameter for SIP packets.
This is the value used for IP Precedence, Diff-Serv or MPLS. The Default value is 26.
Layer 3 Audio QoS
This field defines the layer 3 QoS parameter for audio packets. This is the value used for IP Precedence, Diff-Serv or MPLS. The
Default value is 46.
Layer 3 Video QoS
This field defines the layer 3 QoS parameter for video packets. This is the value used for IP Precedence, Diff-Serv or MPLS. The
Default value is 34.
Second Layer QoS 802.1Q/VLAN tag (Ethernet)
This field contains the value used for layer 2 VLAN tagging for the Ethernet network. The Default value is 0.
Second Layer QoS 802.1p/Priority Value (Ethernet)
This assigns the priority value of the Layer 2 QoS packets on the Ethernet Network. The Default value is 0.
Proxy Settings
For some network setup, it is required to connect to the Internet via proxy server. Manually configure “Proxy hostname”,
“Proxy port” and “Bypass proxy for” in proxy settings for the phone to get Internet connection successfully.
Tethering & Portable Hotspot
The GXV3350 can serve as a Wi-Fi access point for other devices to provide wireless access to the network if the Portable Wi-
Fi hotspot is turned on.
1. Turn on hotspot by tapping on “Portable Wi-Fi hotspot”. Icon will show on the top status bar.
2. Tap on “Set up Wi-Fi hotspot” to configure network SSID, security type and password. Please make sure the password has
at least 8 characters. Otherwise, users won’t be able to save the setting.
3. Tap on “Hotspot & tethering settings” and choose either to set up the hotspot for IPV4 only or for IPV4 & IPV6
4. On the other device that needs Wi-Fi access, turn on Wi-Fi, look for the SSID of the GXV3350 hotspot and enter
authentication information to get connected.

Figure 8: GXV3350 Wi-Fi Hotspot
Basic
Sound
Use the Voice settings to configure the phone’s sound mode, volume, ring tone and notification tone.
Silent mode. Tap on it to turn on/off the sound from speaker when there is an incoming call.
HDMI. Enable/disable audio switch between the phone and the HDMI output connected device (e.g. TV). When enabled,
the TV will be used for audio output.
Media Volume. Adjust the sound volume for media audio
Alarm Volume. Adjust the alarm ring volume
Ring Volume. Adjust the phone ringing volume
Notification Volume. Adjust the notification sound volume
Ringtone. Select phone’s ringtone for incoming call.
Default Notification Ringtone. Select notification ringtone.
Default Alarm Ringtone. Select the alarm ringtone
Other Sounds. Enable/disable Dial pad Tones, Screen locking sounds, Touch sounds and Button tones.
Display
Brightness level. Tap on Brightness and scroll left/right to adjust the LCD brightness.
Screen timeout. Tap to open the dialog to set the screen timeout interval.
Screensaver timeout. Tap to set the screensaver timeout interval.
Screensaver. Enable/disable the screensaver. Two options are available:
Clock: If the clock is set as screensaver, tap on and set the clock style and the Night Mode
Screensaver: If screensaver is set, please tap on to set use a network images or use local images as screensaver and
set the Animation Interval between the images.
Font size. Tap on it to adjust the font size for LCD screen.
Using Server Wallpaper. Enable/disable the use of wallpaper from a URL.
Server Wallpaper Path. Enter the server wallpaper path.

Language & keyboard
Language. Tap to open the list of chosen languages, Language Number 1 is the language used on the phone. Tap on Add
a Language to add more languages to the list.
Spell checker. Configure whether to check spellings and select the language to check.
Personal dictionary. Add new words to user’s dictionary so that they won’t be displayed as error in the text.
Keyboard & input methods
Set up default input method for virtual and physical keyboard and the different parameters of the related to the Keyboard
use. The default input method is Android Keyboard.
Current Keyboard: support to change keyboard.
Virtual Keyboard:
Android keyboard (AOSP): Set up the language used on Android keyboard and configure its different parameters
including sound, auto-correction, word suggestion and so on.
Manage Keyboards. Tap on the + sign to choose which keyboard to use on the phone.
Physical Keyboard: When the physical key board is connected to the phone, users will have the possibility to choose a
keyboard among the available ones on the virtual keyboard
Show virtual Keyboard: this option gives the possibility if keep showing the virtual keyboard even if the physical one is
connected to the phone.
Keyboard shortcuts helper: Display available shortcuts.
Speech-Text to Speech Input.
Prefer engine. Select the engine type. The default engine is Pico TTS.
General:
Speech Rate. Adjust the speech rate.
Pitch: Sets the speech pitch for the Text-To-Speech engine.
Reset Speech Rate: Reset the speed at which the text is spoken to normal.
Reset speech pitch: Reset the pitch at which the text is spoken to default.
Listen to an example: Play and listen the example of speech synthesis.
Default Language Status: Indicates if the language used is supported or not.
Pointer Speed. Adjust the sensitivity of the mouse pointer.
Date & Time
Enable and use specified NTP server address. Assign the URL or IP Address of NTP Server. The default NTP Server used
is pool.ntp.org
Set date. Set the current date for the GXV3350.
Set time. Set the time on the GXV3350 manually.
Select time zone. Select the time zone for the GXV3350.
Use 24-hour format. Check/uncheck to display the time using 24-hour time format or not. For example, in 24-hour
format, 13:00 will be displayed instead of 1:00 p.m.
Select date format. Select the format of year, month and day for the date to be displayed.
System
Security Settings
Device Security-Screen lock. Set up pattern or password for screen lock. Wizard will be provided to set up the pattern.
The screen will be locked after booting up or the screen is off (i.e., screensaver screen activated, or manually slide down

Status Bar🡪Screen Off to turn off LCD). Users will then be required to enter password or pattern to login. When the
screen is locked, users can still be able to answer or reject incoming call.
Passwords–Make passwords visible. Check/uncheck to show/hide letters when user’s type screen lock password
instantly.
Device Administration
Device administrators. View or deactivate device administrators.
Unknown sources. Check/uncheck to enable/disable permission to install applications that you obtain from web sites
and email.
Credentials Storage
Storage Type: Shows the type of the storage which is “Hardware-Backed by default
Trusted Credentials. Display trusted CA certificates for system or user. Users can tap on the certificate to check the
credential details or disable it.
User Credentials. View and modify stored credentials
Install from. Install certificates from external device.
Clear credentials. Clear credential storage of all contents and reset its password.
Advanced
Trust Agents. View or deactivate trust agents
Screen pinning: When turned on, you can use screen pinning to keep the current screen in view until you unpin.
Apps with usage access. Manage what apps have access to app-usage data on your device.
Peripherals
Plug in RJ9/UHS Headset. Switch the media channel to RJ9 headset after plugging in the
Accounts
Add a system account to synchronize contacts calendars and other information.
Power Information
PoE Power Supply notification. If enabled, the phone would display a notification of “When using PoE power supply, if the
power consumption of the device accessed through USB is too high, the phone may restart due to insufficient power supply.”
If disabled, the notification will not be shown.
Reboot the Phone
Press to reboot the phone. A confirmation window will pop up to Cancel or go on with the reboot.
Apps
Application Management
Tap on an application, process or service to open it. The Application Info screen for each application lists its name, version,
size, etc. Depending on the app, it may also include options for managing the application’s data, forcing the application to
stop, and disabling the application. Usually the options are:
Tap the “Force stop” softkey to stop an application forcefully. This setting might not be valid for some applications.
Note
if screen lock password is incorrect for 5 times, a countdown timer for retry after is shown.

Tap the “Stop” softkey to stop an application gracefully. This setting might not be valid for some applications.
Tap the “Disable” softkey to disable the application. Users could tap on “Enable” to turn it back on again. This usually
applies to the built-in applications.
Tap the “Uninstall” softkey to uninstall the applications.
Storage provides storage information that an application uses on the phone. Tap “Clear data” to delete an application
setting and other data. This setting might valid for some applications. If the application stores data in a temporary space
of the phone’s memory, “Cache” lists how much information is stored.
Tap on “Clear cache” to clear the cache.
“Permissions” lists information of the data that the app has access to. For example, the application might access the
location information, storage, phone calls etc.
“Open by default“. If the application is configured to launch certain file type by default, tap on “Clear defaults” to reset
this.
If an application is misbehaving, tap on “Report” softkey (if available) to send the developer information for the
application.
Memory will show the memories used on the phone by the applications
Modify System settings gives the application the permission to modify the system settings
Store provides Information about the Install source of the App
Default Application
This page allows to set default applications to launch with certain actions. Default applications can be set for following actions:
Opening Links. Select which application to use as default when clicking on a web link (browser); when opening a picture
(gallery) or when opening a music file (music).
Assist & Voice Input. Select a default application if previously installed.
Home app. Select default launcher application if already installed.
Browser app. Select default browser if more than one is installed.
Phone app. Select default phone if more than one is installed.
Quickly launch specified app. Select the specified application that launch quickly by offhook/clicking the Dial or
Conference. Once selected, the package name and activity of specified application will be displayed below. When user
offhooks / click the Dial or Conference application, it will automatically enter the configured application interface. The
default setting is blank, which means using GS phone application.
SMS app. Select default SMS app if more than one is installed.
Notification Center
Tap on an application, process or service to open it. The notification Info screen for each application lists supported actions
and allow user to activate/deactivate each notification. Following notifications can be configured (supported notifications
depend on the applications):
Block all.
Show silently.
Advanced
Account Settings
Note
Stopping a built-in application, operating system processes or services might disable one or more dependent functions on the
phone. Users may need restart the phone to restore full functionality again.

Account Settings page allows to configure SIP settings for each account. Tap on Account# to access the settings, when
configured press sign (on the top right corner) to confirm the changes, or press back button to cancel them. Users can
press Empty configuration on the bottom of the page to clear all the settings. Following settings can be configured for each
account. Refer to [Account/General Settings] for description of each option.
Account Activation.
Account Name.
SIP Server.
SIP User ID.
SIP Authentication ID.
SIP Authentication Password.
Outgoing Proxy Server.
Voicemail User ID.
Display Name.
System Updates
This page allows to initiate upgrade process by checking if a new firmware is available in the configured firmware server path,
and then upgrading if available. Users can press Settings to configure Firmware/Provisioning settings directly from the
phone’s LCD. Following settings can be configured from this screen:
Firmware upgrade and configuration file detection. This will send a request to firmware and provisioning server to
upgrade/provision the phone if the files are available on the servers.
Firmware:
Upgrade Mode: This field allows the user to choose the firmware upgrade method: TFTP, HTTP or HTTPS.
HTTP/HTTPS username: The user name for the HTTP/HTTPS server if set up on the server.
HTTP/HTTPS password: The password for the HTTP/HTTPS server if set up on the server.
Firmware Server Path: This defines the server path for the firmware server. It can be different from the configuration
server for provisioning.
Config:
Upgrade mode: This field allows the user to choose the provisioning method: TFTP, HTTP or HTTPS.
HTTP/HTTPS username: The user name for the HTTP/HTTPS server if set up on the server.
HTTP/HTTPS password: The password for the HTTP/HTTPS server if set up on the server.
Config Server Path: This defines the server path for the provisioning server. It can be different from the firmware
server.
Syslog
Syslog level: Select the level of logging for syslog. The default setting is “None”. There are 4 levels: DEBUG, INFO,
WARNING and ERROR.
System log protocol: Select the protocol of syslog (UDP or SSL/TLS).
Syslog server address: The URL/IP address for the syslog server. If the GXV3350 has network connection, the phone will
send the syslog packets to this server address.
System log keyword filtering: Only send the syslog with keyword, multiple keywords are separated by comma. Example:
set the filter keyword to “SIP” to filter SIP log.
Note
Syslog server supports IPv4/IPv6 IP addresses.

System Security
Disable Web Login: This disables web GUI access.
Developer Mode. To enable/disable developer mode.
Revoke debugging authorization. To Revoke access to debugging from all computers previously authorized
Factory Reset. Restore default settings.
Status
Account Status
This page displays all available accounts on the phone with respective status (Configured/Not Configured and
Registered/Unregistered).
Network Status
This page displays Network status including IPv4/v6 address, subnet mask, gateway, DNS server…
System Info
This page shows system info including Total Memory, Available Memory, Android Version, System Version, Hardware version,
CPU temperature…
Storage Status
This page shows device storage status.
GXV3350 WEB GUI SETTINGS
The GXV3350 embedded Web server responds to HTTP/HTTPS GET/POST requests. Embedded HTML pages allow users to
configure the application phone through a Web browser such as Microsoft’s IE, Mozilla Firefox, Google Chrome and etc.
Status Page Definitions
Status/Account Status
Account 16 SIP accounts on the phone.
Number SIP User ID for the account.
SIP Server URL or IP address, and port of the SIP server.
Status Registration status for the SIP account.
Table 6: Status/Account Status
Status/Network Status
MAC
Address
Global unique ID of device, in HEX format. The MAC address will be used for provisioning and can be found
on the label coming with original box and on the label located on the back of the device.

NAT Type Type of NAT connection used by the phone.
IPv4
Address
Type Configured address type: DHCP, Static IP or PPPoE.
IPv4
Address IP address of the phone.
Subnet
Mask Subnet mask of the phone.
Default
Gateway Default gateway of the phone.
DNS
Server 1 DNS Server 1 of the phone.
DNS
Server 2 DNS Server 2 of the phone.
IPv6
IPv6
Address
Type
Configured address type: DHCP, Static IP or PPPoE.
IPv6
Address IPv6 address of the phone.
IPv6 DNS
Server 1 IPv6 DNS Server 1 of the phone.
IPv6 DNS
Server 2 IPv6 DNS Server 2 of the phone.
Table 7: Status/Network Status
Status/System Info
Product Model Product model of the phone: GXV3350.
Hardware
Revision Hardware version number.
Part Number Product part number.
Serial Number Product serial number.
System Version Firmware version ID. This is the main software release version, which is used to identify the software
system of the phone.
Recovery
Version Recovery image version.

Boot Version Booting code version.
Kernel Version The kernel version.
CPE Version The CPE version.
System Up Time System up time since the last reboot.
Table 8: Status/System Info
Account Page Definitions
GXV3350 has 16 lines that can be configured to accommodate 16 independent SIP accounts. Each SIP account has an
individual configuration page.
Account/General Settings
Account/SIP Settings
SIP Basic
Settings
SIP
Registratio
n
Allows the phone system to send SIP REGISTER messages to the proxy/server. The default setting is “Yes”.
Unregister
before
New
Registratio
n
Controls whether to clear SIP user’s information by sending un-register request to the proxy server. When
set to “All”, the un-registration is performed by sending a REGISTER message with “Contact” header set to *
and Expires=0 parameters to the SIP server when the phone starts pre-registration after rebooting. If set to
“Instance”, the phone only cleans the current SIP user’s info by sending REGISTER message with “Contact”
header set to concerned SIP user’s info and Expires=0 parameters to the SIP server. The default setting is
“Instance”.
Register
Expiration
(m)
Configures the time period (in minutes) in which the phone refreshes its registration with the specified
registrar. The default setting is 60. The maximum value is 64800 (about 45 days).
Subscribe
Expiration
(m)
Specifies the frequency (in minutes) in which the phone refreshes its subscription with the specified registrar.
The maximum value is 64800 (about 45 days). Default value is 60.
Re-register
before
Expiration
(s)
Specifies the time frequency (in seconds) that the phone sends re-registration request before the Register
Expiration. The default setting is 0. The range is from 0 to 64,800.
Registratio
n Retry
Wait Time
(s)
Configures the time period (in seconds) in which the phone will retry the registration process in the event
that is failed. The default setting is 20. The maximum value is 3600 (1 hour).