NEC UNIVERGE GT890 User manual

GVT-105198-001
Issue 1.0
July, 2019
Before using this product and document, please read the following document carefully.
Also, please keep this document to the place where you can see any time.
- Safety Precautions and Regulatory Notices for GT Series
Standard SIP Video Terminal
IP Phone GT890
User Guide (ST500)

1
Caution:
Changes or modifications to this product not expressly approved by NEC, or operation of this product in
any wayother than as detailed bythis manual, could void your manufacturer warranty.
Caution:
User ID and password are important information. Be careful when handling them. Default password is given
for initial maintenance and operational settings. To enhance the safety, change the default password in the
course of the initial settings and periodically thereafter.
Caution:
ThefollowingdataisnotbackedupautomaticallybyGT890.Pleasebackupmanuallytoavoidthelossofdata
caused by terminal failure.
Phonebook data
Configuration data of the phone
Image
Audio
Video
Downloaded data
Caution:
Except for the preinstalled applications, NEC Corporation does not guarantee the performance, functionality
and quality of the applications which are installed by customer.
NEC Corporation does not support for any trouble caused by such applications installed bycustomer.
Caution:
Manufacture warranty does not apply when opening the product or any action taken within it by anyone who
is not NEC.
Warning:
NEC Corporation reserves the right to change the specifications, functions, or features, at any time, without
notice.
NEC Corporation has prepared this document for use by its employees and customers. The information
containedhereinisthepropertyofNECCorporation andshallnotbereproducedwithoutpriorwrittenapproval
from NEC Corporation. All brand names and product names on this document are trademarks or registered
trademarks of their respective companies. Copyright 2019
NEC Corporation

2
FCC Caution:
FCC Statement
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.
The device complies with FCC radiation exposure limits set forth an uncontrolled environment and it also
complies with Part 15 of the FCC RF Rules. This equipment must be installed and operated in accordance
with provided instructions and the antenna(s) used for this transmitter must be installed to provide a
separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction
with any other antenna or transmitter. End-users and installers must be provided with antenna installation
instructions and consider removing the no-collocation statement.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) this device may not cause harmful interference, and (2) this device must accept any interference
received, including interference that may cause undesired operation.
Caution
Any changes or modification not expressly approved by the party responsible for compliance could void the
user’s authority to operate the equipment.

3
CE DECLARATION OF CONFORMITY
This transmitter complies with the essential requirements and provisions of directives 2014/53/EU,
2014/30/EU, 2015/35/EU and subsequent amendments, according to standards
ETSI EN 300 328 V2.1.1 (2016-11); EN 301 893 V2.1.1 (2017-05)
ETSI EN 301 489-1 V2.1.1 (2017-02); ETSI EN 301 489-17 V3.1.1 (2017-02)
EN 60950-1:2006+A11:2009+A1:2010+A12:2011+A2:2013
EN 62311: 2008; EN62479: 2010
Manufacturer:
NEC Corporation
7-1, Shiba 5-chome, Minato-ku, Tokyo 108-8001, Japan
EUT Feature
Tx/Rx Frequency
Range
2402~2480 MHz
2402~2480 MHz
2412~2472 MHz
5150~5250 MHz
5250~5350 MHz
5470~5725 MHz
Number of Channels
79
40 (37 hopping +
3 advertising channels)
13
UNII Band I:
802.11a/n-HT20-VHT20:
4 channels
802.11n-HT40: 2 channels
UNII Band II:
802.11a/n-HT20: 4 channels
802.11n-HT40: 2 channels
UNII Band III:
802.11a/n-HT20: 11 channels
802.11n-HT40: 5 channels
Carrier Frequency of
Each Channel
f=2402+k MHz
(k=0,1,2….,78)
f=2402+k MHz
(k=0,2,4…,39)
-
-
Antenna Type/Gain
Internal PCB Antenna/
gain 3 dBi
Internal PCB Antenna
/gain 3 dBi
Internal PCB Antenna/
gain 3 dBi
Internal PCB Antenna/
gain 4 dBi
Type of Modulation
Bluetooth BR 1Mbps: GFSK
Bluetooth EDR 2Mbps: π/4-
DQPSK
Bluetooth EDR 3Mbps: 8DPSK
Bluetooth LE: GFSK
802.11b: DSSS
(DBPSK/DQPSK/CCK)
802.11g/n: OFDM
(BPSK/QPSK/16QAM/
64 QAM)
802.11a/n: OFDM
(BPSK/QPSK/
16QAM/64QAM)
Operation temperature
0 °C ~ +40 °C
Storage temperature
-10 °C ~ +60 °C
Humidity
10 ~ 90% non-condensing
Domestic use
Industrial use Class B

4
Caution: Exposure to Radio Frequency Radiation
This equipment complies with EU radiation exposure limits set forth for an uncontrolled environment. This
equipment should be installed and operated with minimum distance of 20 cm between the radiator and your
body.
CE Authentication
Hereby, NEC Corporation declares that the radio equipment GT890 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.nec-enterprise.com/Support/Declaration-of-Conformity

5
THE TERMS AND CONDITIONS OF SOFTWARE
The software embedded in GT890 contains certain third party open source software components which are
provided under the terms and conditions designated at
https://mind.bcom.nec.co.jp/customernet/soft-license/GT890_OSS.html

6
Table of Contents
Document Purpose ..................................................................................................... 12
Product Overview........................................................................................................ 13
Model Line Up of GT890 Series ..........................................................................................................13
Feature Highlights................................................................................................................................13
Supporting Communication Servers .......................................................................................................13
GT890 Technical Specifications...........................................................................................................14
About ST500........................................................................................................................................16
Call features.........................................................................................................................................16
Network Configuration Example..........................................................................................................17
Getting Started............................................................................................................ 18
Equipment Packaging..........................................................................................................................18
Description of the GT890.....................................................................................................................19
Front View.....................................................................................................................................19
Back View.....................................................................................................................................20
Side View......................................................................................................................................21
Connecting and Setting Up the GT890................................................................................................22
Using the Phone Stand.................................................................................................................22
Using the Slots for Wall Mounting ................................................................................................23
Getting to Know GT890............................................................................................... 24
Use the Touchscreen...........................................................................................................................24
Use the Desktop ..................................................................................................................................26
Desktop Menu...............................................................................................................................26
Add Widget to Desktop.................................................................................................................27
Manage Desktop Items.................................................................................................................27
Set Wallpapers .............................................................................................................................29
Manage Running Applications......................................................................................................30
Idle Screen...........................................................................................................................................31
Switch Idle Screens......................................................................................................................31
Set Up Idle Screen........................................................................................................................31
Use the Status Bar...............................................................................................................................33
Notifications in Status Bar....................................................................................................................36
System Settings in Status Bar......................................................................................................39
Use the GT890 Keys............................................................................................................................40
Keypad Shortcut Functions ..........................................................................................................40
Use the On-Screen Keyboard..............................................................................................................41
Use the Message Waiting Indicator.....................................................................................................42

7
Getting to Know ST500............................................................................................... 43
Screen names and features.................................................................................................................43
Primary features and operations ..................................................................................................43
General screen structure..............................................................................................................44
Favorites screen...........................................................................................................................45
Contacts screen............................................................................................................................46
Contact detail screen....................................................................................................................47
Management contacts screen ......................................................................................................48
Call screen....................................................................................................................................50
History screen...............................................................................................................................52
History detail screen.....................................................................................................................54
Voice call screen...........................................................................................................................56
Video call screen ..........................................................................................................................61
Incoming call screen.....................................................................................................................64
Before using ST500.............................................................................................................................66
Starting/Closing ST500 app.................................................................................................................67
Starting ST500..............................................................................................................................67
Closing ST500..............................................................................................................................68
Make Phone Calls........................................................................................................ 70
Register SIP Accounts .........................................................................................................................70
Account Status.....................................................................................................................................70
Configure SIPAccount..................................................................................................................70
Originating a call ..................................................................................................................................71
Dial a Number Directly..................................................................................................................71
Dial a Number via Contact............................................................................................................76
Dial a Number after searching a contact......................................................................................78
Dial a Number via History.............................................................................................................80
Dial a Number via Favorites screen .............................................................................................83
Dial a Number via Emergency......................................................................................................85
Redial............................................................................................................................................88
Answer a call........................................................................................................................................90
To answer an Incoming Call (Standard operation) .......................................................................90
To answer an Incoming Call (Heads Up Notification)...................................................................93
To answer an Incoming Call (from Notification Bar) .....................................................................94
Decline a Call..............................................................................................................................102
Missed Call .................................................................................................................................104
Call Hold ............................................................................................................................................105
Call Transfer.......................................................................................................................................108
Three-Way Call..................................................................................................................................114
Handling an incoming call from the locked screen. ...........................................................................117
To answer a call from the locked screen. ................................................................................... 117
Decline a Call from the Locked Screen......................................................................................118
Call Hold from the Locked Screen.............................................................................................. 119
Unlock the screen while on a call ...............................................................................................120
Call Forward.......................................................................................................................................122

8
To preset access codes for Call Forwarding ..............................................................................122
To operate call forwarding ..........................................................................................................127
Call pickup .........................................................................................................................................129
To preset access codes for call pickup.......................................................................................129
To operate call pickup.................................................................................................................131
Voicemail............................................................................................................................................132
To preset access codes for voicemail.........................................................................................132
To access voicemail....................................................................................................................136
To restrict/allow voicemail notification ........................................................................................137
To check voicemail .....................................................................................................................138
Video Call................................................................................................................... 140
Turn on Video during Audio Call. .......................................................................................................140
Video image control...........................................................................................................................141
To flip PartnerPicture horizontally...............................................................................................141
To flip PartnerPicture vertically...................................................................................................142
To stop sending preview picture.................................................................................................144
To hide preview picture...............................................................................................................145
Call status and contact information display........................................................................................146
While Ringing..............................................................................................................................146
When Connected........................................................................................................................146
Permissions for camera.....................................................................................................................148
To enable video call after starting up ST500 ..............................................................................149
To enable video call after selecting the don’t-ask-again checkbox ............................................151
Notes when using video.....................................................................................................................155
Favorites.................................................................................................................... 157
Editing favorites .................................................................................................................................157
To add a favorite telephone number...........................................................................................157
To undo favorites ........................................................................................................................160
To change the order of telephone numbers on the Favorites screen.........................................163
To delete a telephone number from favorites.............................................................................165
To delete all telephone numbers from favorites..........................................................................167
Searching a number from favorites ............................................................................................169
Contacts..................................................................................................................... 170
Adding a telephone number to Contacts ...........................................................................................170
Using index search ............................................................................................................................174
Editing a Contact................................................................................................................................176
Searching a Contact ..........................................................................................................................177
Management Contacts.............................................................................................. 179
Select Contacts..................................................................................................................................179
Editing a Contact................................................................................................................................180
Searching a Contact ..........................................................................................................................180

9
Import/Export Contacts......................................................................................................................181
Download Contacts............................................................................................................................182
Sort Contacts .....................................................................................................................................183
Send Contacts to Desktop Shortcut...................................................................................................183
Share Contacts via Bluetooth ............................................................................................................183
Add Group..........................................................................................................................................184
Add contacts to Group.......................................................................................................................184
Contacts Storage Status....................................................................................................................185
Call History................................................................................................................ 186
Editing call history..............................................................................................................................186
To delete a history record from the History screen.....................................................................186
To delete all history records from the History screen .................................................................188
To delete a history record from the History detail screen...........................................................189
Grouping history records ...................................................................................................................191
Shortcuts ................................................................................................................... 196
Creating a new shortcut.....................................................................................................................196
Editing a shortcut...............................................................................................................................198
File Manager.............................................................................................................. 200
Files Operations.................................................................................................................................200
Copy and Paste Files..................................................................................................................200
Move Files ..................................................................................................................................202
Send Files...................................................................................................................................203
Delete Files.................................................................................................................................204
Rename a File ............................................................................................................................205
File Categories...................................................................................................................................206
Camera....................................................................................................................... 207
Take Picture.......................................................................................................................................207
Record Video .....................................................................................................................................207
Angle Adjustment...............................................................................................................................207
Gallery................................................................................................................................................208
Screensaver.......................................................................................................................................212
Browser...................................................................................................................... 214
Connect to Network and Devices ............................................................................ 216
Ethernet .............................................................................................................................................216
Wi-Fi...................................................................................................................................................216
Turn On/Off Wi-Fi........................................................................................................................217
Connect to Wi-Fi Networks.........................................................................................................217
Wi-Fi Settings Shortcut...............................................................................................................219

10
Bluetooth............................................................................................................................................221
Turn On/Off Bluetooth.................................................................................................................221
Change Bluetooth Device Name ................................................................................................222
Pair with a Bluetooth Device.......................................................................................................222
Unpair a Bluetooth Device..........................................................................................................223
Bluetooth Settings Shortcut........................................................................................................223
EHS Headset.....................................................................................................................................225
USB Headset.....................................................................................................................................225
USB....................................................................................................................................................228
SD Card .............................................................................................................................................229
HDMI..................................................................................................................................................230
Compatibility Headset List .................................................................................................................230
Data Backup .............................................................................................................. 231
Phonebook Data Backup...................................................................................................................231
Configuration Data of the Phone Backup ..........................................................................................232
Image/Audio/Video/Download Data Backup......................................................................................232
FAQ and troubleshooting......................................................................................... 235
Menu options .....................................................................................................................................235
Checking operations of ST500 ...................................................................................................235
Changing configurations of ST500 .............................................................................................235
Checking operations of ST500 ..........................................................................................................237
To check operating status of ST500...........................................................................................237
To check operating status of ST500 from task bar.....................................................................237
To start ST500 ............................................................................................................................238
Changing configurations of ST500 ....................................................................................................240
To register/add a contact from call history..................................................................................240
To change ringtone per call type.................................................................................................242
To change ringtone per contact..................................................................................................244
To change the volume of ringtone ..............................................................................................249
Change receiving volume with a hardware key..........................................................................249
To change sending/receiving voice volume................................................................................249
To change ringing setting of digit tone........................................................................................251
To change the volume of digit tone.............................................................................................254
To switch on/off of the Message Waiting Indicator .....................................................................254
To change tone locale when using ST500 abroad .....................................................................257
To show connection status during a call.....................................................................................261
Dial prefix feature...................................................................................................... 263
What is dial prefix?.............................................................................................................................263
Operating dial-prefix...........................................................................................................................264
Selecting a preset plan ......................................................................................................................265
Checking contents of preset plan ......................................................................................................268
Understanding and creating a rule.....................................................................................................271

11
Creating a custom plan......................................................................................................................273
To create a new dial plan............................................................................................................273
To copy a preset dial plan...........................................................................................................280
List of dial plan presets......................................................................................................................285
Japan..........................................................................................................................................285
France.........................................................................................................................................285
North America.............................................................................................................................286
Australia......................................................................................................................................286
New Zealand...............................................................................................................................287
Fiji (Telecom Fiji).........................................................................................................................287
Fiji (Fintel)...................................................................................................................................288
Papua New Guinea.....................................................................................................................288
Singapore ...................................................................................................................................289
Thailand......................................................................................................................................289
Malaysia......................................................................................................................................289
Indonesia ....................................................................................................................................290
Vietnam.......................................................................................................................................290
India............................................................................................................................................290
Philippines ..................................................................................................................................291
China ..........................................................................................................................................291
Taiwan.........................................................................................................................................291
Hong Kong..................................................................................................................................292
Macau.........................................................................................................................................292
Korea ..........................................................................................................................................292
Italy .............................................................................................................................................293
Notices....................................................................................................................... 294
Related documents................................................................................................... 294
For user..............................................................................................................................................294
For administrator................................................................................................................................294

12
Document Purpose
This document describes how to configure the GT890 via phone's LCD menu and Web GUI menu to fully
manipulate phone's features. To learn advanced functions of GT890, please refer to "Standard SIP Video
Terminal IP Phone GT890 Administration Guide (ST500)".
This manual covers following topics:
Product Overview
Getting Started
Getting to Know GT890
Getting to Know ST500
Make Phone Calls
Video call
Favorites
Contacts
Management Contacts
Call History
Shortcuts
File Manager
Camera
Browser
Connect to Network and Devices
Data Buckup
FAQ and trouble shooting
Dial prefix feature
Notices
Related documents

13
Product Overview
Model Line Up of GT890 Series
Table 1: GT890 Model Line Up
Model Name
Description
ITX-3370-1(BK)TEL
Standard SIP Video Terminal (Black) for North America
ITX-3370-1W(BK)TEL
Standard SIP Video Terminal (Black) for Global
Feature Highlights
The following tables contain the major features of the GT890.
Table 2: GT890 Features in a Glance
Supporting Communication Servers
The following communication servers support GT890.
Table 3: GT890 Supporting Communication Servers
Communication Server Name
1
UNIVERGE SV9500
2
UNIVERGE SV9300
3
UNIVERGE SV9100
GT890
720p 30fps HD video call, phonebook with up to 1000 contacts.
Dual switched 10/100/1000Mbps network ports, Dual-band 2.4GHz &
5GHz Wi-Fi (802.11a/b/g/n), PoE/PoE+, Bluetooth 4.0+EDR, USB,
SD, HDMI, EHS with Poly headsets support.
7" (1024x600) capacitive (5 points) touch screen TFT LCD, mega
pixel CMOS sensor camera with privacy shutter.
HD wideband audio, full-duplex hands-free speakerphone with HD
acoustic chamber, advanced acoustic echo cancellation and excellent
double-talk performance.
Runs the Android™ Operating System 7.0.

14
GT890 Technical Specifications
The following table resumes all the technical specifications including the protocols/standards supported,
voice codecs, languages and upgrade/provisioning settings for the phone GT890.
Table 4: GT890 Technical Specifications (1/2)
Protocols/Standards
SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS (A
record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, LLDP-MED,
802.1X, TLS, SRTP, OpenVPN®.
Network Interfaces
Dual switched 10/100/1000 Mbps ports with integrated PoE/PoE+
Graphic Display
7" 1024x600 capacitive touch screen (5 points) TFT LCD
Camera
Tiltable mega-pixel CMOS camera with privacy shutter, 720P@30fps
Bluetooth
Bluetooth 4.0+EDR
A2DP, AVRCP, GAVDP, HFP, HSP, IOPT, OPP, PBAP
Wi-Fi
Dual-band 2.4 & 5GHz with 802.11 b/g/n
Auxiliary Ports
RJ9 headset jack (allowing EHS with Poly headsets), 3.5mm stereo headset
with microphone (hook switch of headset is not supported), USB port, SD (SD,
SDHC, SDXC), HDMI-out (1.4 up to 720p30fps)
Feature Keys
2 function touch keys VOLUME +/-, 3 dedicated Android touch keys HOME,
MENU, and BACK
Audio Codec
G.711μ-law/G.711 A-law/G.729a/G.722.1/G722/Opus
Codec payload: 20ms/30ms/40ms
DTMF transmission: RFC2833/deemed
Video Codec and
Capabilities
H.264 BP
Video resolution: Up to 720p (HD)
Frame rate: Up to 30fps
Bit rate: Up to 2Mbps
Sample Applications
Local apps: Contacts, File Manager, Settings, Browser, Clock, etc.
Applications
Deployment
Allow Android 7.0 compliant applications to be developed, downloaded and run
in the embedded device with provisioning control
HD Audio
HD handset and speakerphone with support for wideband audio
Base Stand
Stand with multiple adjustable angles. Wall mountable
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, 256-bit AES encrypted configuration file, TLS, SRTP, HTTPS,
802.1X media access control

15
Table 4: GT890 Technical Specifications (2/2)
Multi-
language
System
English, German, Italian, French, Spanish, Portuguese, Russian, Croatian,
simplified and traditional Chinese, Korean, Japanese, Arabic, Dutch,
Norwegian, Danish, Swedish, Greek, Turkish, Romanian, Polish, Catalan,
Hebrew, Ukrainian
Dialer
English(GB,US,AU), Japanese, Chinese(Traditional, Simplified),
Portuguese(Portugal, Brazil), Spanish(Spanish, Mexico), French, German,
Dutch, Arabic
Keyboard
English, German, Italian, French, Spanish, Portuguese, Russian, Croatian,
simplified Chinese, Arabic, Dutch, Norwegian, Danish, Swedish, Greek,
Turkish, Romanian, Polish, Hebrew, Ukrainian
Web GUI
English, simplified Chinese
Upgrade/Provisioning
Firmware upgrade via TFTP/HTTP/HTTPS server or local HTTPupload, mass
provisioning using XML configuration file
Power and Green
Energy Efficiency
Integrated PoE* 802.3af Class 3, POE+ 802.3at Class 4
*When using with USB devices, must use PSU or PoE+ to power up phone. For other uses, PoE
is enough.
Universal power adapter NOT included: Input 12VDC, 1.5A (18W), Center +
Physical
Dimension: 252mm (W) x 211mm (L) x 84mm (H)
Product weight: 1.17kg
Package weight: 1.73kg
Temperature and
Humidity
Operation: 0oC to 40oC
Storage: -10oC to 60oC
Humidity: 10% to 90% Non-condensing
Package Content
GT890 phone, handset with cord, screen cleaning cloth, Wall mount, DoC
Leaflet, EULA
Compliance
FCC: Part 15 (CFR 47) Class B; Part68 (HAC)
CE: EN55022 Class B, EN55024, EN61000-3-2, EN61000-3-3, EN60950-1,
EN62479, RoHS
RCM: AS/ACIF S004; AS/NZS CISPR22/24; AS/NZS 60950; AS/NZS 4268
Note:
Each phone has 16 SIP accounts, and you cannot select the connecting network interface (wired
network/Wi-Fi) for each individual account. Accounts are connected by selecting either Ethernet or
Wi-Fi connection.

16
About ST500
ST500 is a pre-installed app for enabling extension calls on smart devices. By operating on smart devices,
ST500 integrates with a communication server (UNIVERGE SV Series) and is incorporated into an IP
telephone system to provide high-quality voice calls. ST500 offers video calls as well.
Call features
The following table shows call related features available on ST500.
Table 5: Call features.
Feature
Description
Originating calls
Outgoing calls can be originated from various screens of ST500 such as
Favorites, Call, Contacts, and History.
Answering calls
Incoming calls can be answered or declined. Missed calls are notified.
Holding calls
An ongoing call can be hold.
Transferring calls
A call can be transferred to another party.
Three-way call
A conference call with two guests is possible.
Call forwarding
Calls that arrive while the called party is away can be forwarded to a number
that is preset with an access code.
Call forwarding on no
answer
Calls that arrive when the called party cannot answer can be forwarded to a
number that is preset with an access code.
Call forwarding on busy
Calls that arrive while the called party is on other call can be forwarded to a
number that is preset with an access code.
Out of service call
forwarding
Calls that arrive while the called party is at a place where no radio wave can
reach can be forwarded to a number that is preset with an access code.
Call pickup
Calls that come to a member of the same group while the member is away can
be picked up by anyone in the same group with preset access codes.
Voicemail
Originating a call to a voicemail system to use voicemail features is available.
Note:
When the ST500 is in use, do not activate the other VoIP apps.
The ST500 does not operate properly because of a conflict with audio controls.
Always use ST500 in the active state (it can run in the background).
Select Language from Phone settings.

17
Network Configuration Example
COMMUNICATION SERVER (SV9500/SV9300/SV9100)
GT890
ACCESS POINTS
ST500
VOICE
VIDEO
Wi-Fi
Figure 1: Network configuration
example.

18
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 GT890.
Equipment Packaging
Table 6: Equipment Packaging
Note:
Check the package before installation. If you find anything missing, contact your system administrator.
GT890
1x Main Case.
1x Handset.
1x Phone Cord.
1x Wall Mount.
1x Screen Cleaning Cloth.
1x DoC Leaflet.
1x EULA.
Figure 2: GT890 Package Content

19
Description of the GT890
Front View
Figure 3: GT890 Front View
Table 7: GT890 Front View
Item
Name
Description
1
Front Camera
Mega pixel front camera. The angle can be adjusted, and the camera
can be blocked by scrolling up/down the wheel on the back of the
camera. When camera is being blocked, preview picture is blacked
out.
2
MWI LED Indicator
To indicate message status, call status and phone's system status
using the LED indicator.
3
LCD
7" (1024x600) capacitive (5 points) touch screen.
4
Back
Tap to go back to the previous menu.
5
Menu
Press MENU key to access phone’s display settings, edit widgets
and thread manager. Or press and hold on the MENU key for 2
seconds to enter managing application interface directly.
6
Home
Tap to go back to Home screen; or touch and press for about 2
seconds to take a screenshot of phone’s screen.
7
Volume Up
Tap to turn up the call volume and media volume.
8
Volume Down
Tap to turn down the call volume and media volume.
9
Handset
Off-hook to use handset as the audio channel for calls and media.
3
1
2
5
4
7
6
8
9