Denwa Communications DW-820 User manual

1

Content
1 Welcome ................................................................................... 6
2 Product Overview...................................................................... 8
2.1 Instruction........................................................................................................ 8
2.2 Technical Specification ..................................................................................... 9
2.3 Equipment Appearance And Interface Description .......................................10
2.3.1 Interface Description ..........................................................................11
2.3.2 Keypad Description ............................................................................11
2.4 Indicators .......................................................................................................12
3 Installation.............................................................................. 13
3.1 Equipment Packaging ....................................................................................13
3.2 Connecting Video Phone ...............................................................................13
3.3 Installation Considerations ............................................................................14
4 Getting Started ....................................................................... 15
4.1 Basic Operation .............................................................................................15
4.1.1 Main Screen Instruction .....................................................................15
4.1.2 Status And Notifications Instruction ..................................................16
4.1.3 Using The Touchscreen .......................................................................17
4.1.4 Startup And Shutdown .......................................................................17
4.1.5 View / Turn Off Notifications ..............................................................18
4.2 Connecting To Network And Wi-Fi ................................................................18
4.2.1 Configuring Static IP ...........................................................................19
4.2.2 Configuring DHCP ...............................................................................20
4.2.3 Configuring PPPOE .............................................................................21
4.2.4 Configuring Wi-Fi ................................................................................22
4.3 SIP Account Configuration .............................................................................26
4.3.1 Add Account .......................................................................................27
4.3.2 SIP Account ON/OFF ...........................................................................29
4.3.3 Modify/Remove SIP Account ..............................................................29
4.4 Sound ............................................................................................................30
4.4.1 Silent Mode ........................................................................................31
4.4.2 Volumes ..............................................................................................32
4.4.3 Ringtone .............................................................................................32
4.4.4 System Sound .....................................................................................33
4.5 Audio Settings ...............................................................................................33
4.6 Video Settings ................................................................................................34
4.7 Call Settings ...................................................................................................35
4.7.1 Always forwarding&Forwarding Number ...........................................37
4.7.2 Call forwarding busy&Forwarding Number ........................................37
4.7.3 No Answer Forwarding&Forwarding Number ....................................38
4.7.4 Time out .............................................................................................38
4.7.5 Do Not Disturb ...................................................................................38
4.7.6 Call Waiting ........................................................................................39

4.7.7 Playtone .............................................................................................39
4.7.8 Intercom .............................................................................................39
4.7.9 Hotline ................................................................................................39
4.8 Dial Plan .........................................................................................................40
4.9 Auto Provision ...............................................................................................41
4.10 Personalize ..................................................................................................42
4.10.1 Log Level ...........................................................................................42
4.10.2 Hook Mode .......................................................................................43
4.11 Reboot Manager ..........................................................................................43
4.11.1 Reboot time ......................................................................................43
4.11.2 Status of time ...................................................................................43
4.11.3 Status of active .................................................................................43
4.11.4 Reboot settings ................................................................................44
4.12 Date & Time .................................................................................................44
4.13 Personalization Settings ..............................................................................46
4.13.1 Wallpaper .........................................................................................46
4.13.2 Widgets ............................................................................................47
4.13.3 Shortcuts ..........................................................................................49
4.13.4 Modify Extended Bar ........................................................................50
4.13.5 Ringtone ...........................................................................................50
4.14 Backup & Reset ............................................................................................51
5 Function ................................................................................... 52
5.1 Call Function ..................................................................................................52
5.1.1 Make A Call .........................................................................................52
5.1.2 Dial Out From Contact ........................................................................54
5.1.3 Receive A Call .....................................................................................55
5.1.4 Call Options ........................................................................................57
5.1.5 Call Records ........................................................................................58
5.2 Contacts .........................................................................................................60
5.2.1 Local Phone Book ...............................................................................61
5.2.2 Broadsoft Phone Book ........................................................................64
5.2.3 Remote Phone Book ...........................................................................64
5.2.4 LDAP ...................................................................................................64
5.2.5 Group .................................................................................................65
5.3 BLF .................................................................................................................66
5.4 Intercom ........................................................................................................68
5.5 Call Return .....................................................................................................70
5.6 BLFList ...........................................................................................................71
5.7 Pickup & Group Pickup ..................................................................................72
5.8 ACD ................................................................................................................73
5.9 Hot Desking ...................................................................................................74

5.10 Conference ..................................................................................................75
5.10.1 Create 3-way conference ..................................................................75
5.11 Transfer ........................................................................................................78
5.11.1 Blind Transfer ....................................................................................78
5.11.2 Attended Transfer .............................................................................78
5.12 Keypad Input ...............................................................................................78
5.13 Webpage Browser .......................................................................................79
5.13.1 Open The Webpage ..........................................................................79
5.14 Camera ........................................................................................................81
5.14.1 Photograph Mode ............................................................................81
5.15 Gallery .........................................................................................................82
5.15.1 View Photo & Picture & Video .........................................................82
5.16 Bluetooth .....................................................................................................83
5.16.1 Turning Bluetooth On /Off ...............................................................84
5.16.2 Changing Bluetooth Device Name ....................................................84
5.16.3 Paring DW-820 With A Bluetooth Device .........................................84
5.16.4 Un-pairing A Bluetooth Device .........................................................85
5.17 USB ..............................................................................................................85
5.18 Calendar ......................................................................................................86
5.18.1 Add An Account ................................................................................86
5.18.2 View Calendar ..................................................................................87
5.18.3 New Activities ...................................................................................87
5.18.4 Edit Activities ....................................................................................88
5.18.5 Delete Activities ...............................................................................88
5.19 Clock ............................................................................................................89
5.19.1 Alarm ................................................................................................89
5.19.2 Countdown Timer .............................................................................91
5.19.3 Stopwatch .........................................................................................92
5.20 Email ............................................................................................................92
5.20.1 Add A New Email Account ................................................................92
5.21 Music ...........................................................................................................93
5.22 Explorer .......................................................................................................94
5.23 Video Player .................................................................................................95
5.23.1 Floating Browse Mode .....................................................................96
5.24 Others ..........................................................................................................97
5.24.1 Apk Installer ......................................................................................97
5.24.2 Ping Tool ...........................................................................................99
6 Software Upgrade .................................................................. 102
6.1 Immediate Update ......................................................................................102
6.1.1 Select Other Upgrade Package .........................................................103
6.1.2 Local Update .....................................................................................103

6.1.3 Remote Update ................................................................................104
6.2 Auto Update Period .....................................................................................105
6.3 Upgrade on the web ....................................................................................106
6.4 Check Update After System Power On ........................................................106
7 System Maintenance .............................................................. 107
7.1 System State Inspection ..............................................................................107
7.2 IP Query .......................................................................................................107
7.3 SIP Account Registration Query ...................................................................108
7.4 Backup & Reset ............................................................................................109
7.5 Failure Process .............................................................................................109
8 Web Interface ........................................................................ 111
8.1 Web login ....................................................................................................111
8.2 Status->Basic ...............................................................................................111
8.3 Account->Basic ............................................................................................113
8.4 Account->Advanced ....................................................................................115
8.5 Network ->Advanced ...................................................................................118
8.6 Phone ->Call Feature ...................................................................................119
8.7 Phone->Audio ..............................................................................................122
8.8 Phone->Video ..............................................................................................123
8.9 Phone->Ext Key ............................................................................................124
8.10 Phone->Replace Rule .................................................................................125
8.11 Phone->Dial Plan .......................................................................................126
8.12 Phone->Action URL ....................................................................................127
8.13 Phone->Multicast ......................................................................................129
8.14 PhoneBook->Local Book ............................................................................130
8.15 PhoneBook->Remote Book .......................................................................131
8.16 PhoneBook->Call Log .................................................................................132
8.17 PhoneBook->LDAP ....................................................................................133
8.18 PhoneBook->Broadsoft .............................................................................134
8.19 Upgrade->Basic .........................................................................................135
8.20 Upgrade->Advanced ..................................................................................136
8.21 Security->Basic ..........................................................................................138
8.22 Security->Advanced ..................................................................................139

1 Product Overview
1.1 Instruction
DW-820 is an Android-based multimedia terminal with a 7 inch touch screen and a
2M CMOS sensor camera. It supports H.264/H.263 codec with adaptive bandwidth
adjustment. The 7 inch touch screen offers excellent user experiences such as high
quality videophone, smooth internet surfing, various Android Apps and daily
information.
DW-820 provides 2 Ethernet ports, 1USB, 1HDMI, and one 3.5mm headset/audio
port.

1.2 Technical Specification
Model
DW-820
Graphic Display
7 inch capacitive touch screen TFT LCD, 1024x600 pixels, 16:9 wide
screen aspect ratio
Camera
2 mega pixels CMOS camera, free rotation
Network Protocol
SIP RFC3261,TCP/UDP/IP,PPPOE,RTP/RTCP
Operation System
Android 4.2
Voice Codec
G.711A/U, G.723, G.729a/b, G.722, iLBC
AMR-NB, AMR-WB, OPUS
Video Codec
H.263, H.264
DTMF Modes
Inband, RFC2833, SIP INFO
Audio Features
VAD, CNG, Echo Canceller G.165/G.168
Video Features
QCIF, CIF, 4CIF, VGA,720P
Video bitrate: 64kbps~2Mbps
PIP
Full Screen
local video ON/OFF control
Image Codec JPEG, GIF, PNG, BMP
Others
Download content from the specified server
Information receiving, storing, and rendering capabilities
Web browser
Contacts and Call records management
Support playing local or online video
Network Interface
Dual switched 10/100/1000Mbps port, supporting
IEEE802.11af and IEEE802.az Energy Efficient Ethernet;
optional PoE
Wi-Fi
IEEE802.11 b/g/n
Expansion
Interface
USB 2.0, 3.5mm headset jack, HDMI
IP assignment
Static IP, DHCP, PPPoE
Management
LCD Menu Configuration,TR069, WebUI
Dimension
240×192×106mm

1.3 Equipment Appearance And Interface Description
Figure 1-1 DW-820 Front View
Figure 1-2 DW-820 Rear View

Figure 1-3 DW-820 Profile View
1.3.1 Interface Description
Interface
Description
Camera
Adjustable camera shooting angle, rotate down the camera to "off"
angle.
USB interface
External USB storage device
Headset
Connect to 3.5mm stereo headphone, headset device
HDMI
Use HDMI cable to output the video to a TV screen
LAN
Network interface can be connected to a hub, switch or other network
access devices. It also supports POE (Power over Ethernet) .
PC
Share the network access from LAN port, and for PC and other
equipment connection
Power
Connect to 12V adapter, Power supply
Handset
Connect to handset
Lock
Lock the video phone with a Laptop lock
Note: If Power over Ethernet is being used, do not plug in the AC adapter.
1.3.2 Keypad Description
Interface
Description
Power
Turn on/off the LCD, Reboot, Silent mode
Suspend
Turn on/off the LCD, Reboot, Silent mode

Volume
Press + or –for the phone volume adjustment
Standard Keypad
Input the number or symbol
Function Key
Delete
Delete a character before the cursor
OK
Same function with soft keyboard "Enter" key
Message
Optional
Contact
Enter in to the contacts list, you can view the local contact
Conference
The first party is held in the case, according to a
conference key, the first party can be combined to achieve
a tripartite meeting
Hold
To hold a call during the call
Transfer
To transfer the current call to the third party
Mute
The other party cannot heard the voice during the call
Home
Return to the main screen, and long press, it will display
recently used applications
Menu
To call up the System or program setup menu
Back
Return to the previous menu
Speaker
Speaker
1.4 Indicators
Indicator Name
Icon
Status
Description
Power
ON
System is under working
OFF
System is not working
Network Connection
ON
Network LAN Port is connected
OFF
Network LAN Port is disconnected
Information
Flashing
Contains Miss Calls or Unread Message
OFF
Normal status

2 Installation
2.1 Equipment Packaging
Name
Quantity
Main Case
1
Handset
1
Phone Cord
1
Power Adapter
1
Ethernet Cable
1
Quick Start Guide
1
2.2 Connecting Video Phone
 Connection diagram

 Connecting to Network
Use the matched network cable to connect the LAN Port of the video phone to the
Router or Switch. Viewing the top right corner of the screen, if the indicator light
is on, network cable is connected properly.
 Connecting to PC
Use the matched network cable to connect the PC Port of the video phone. The PC
can access to the internet network via PC Port of the video phone.
2.3 InstallationConsiderations
This product is a desktop product, and here are some safety recommendations about
the installation and the usage:
 Do not use this product near water, such as: bath, washbasin, kitchen sink and
other damp places and so on;
 Place the device in a place away from heat;
 Place the device away from traffic areas to prevent collisions;
 Please use the equipment with the matching power adapter or POE;

3 Getting Started
3.1 Basic Operation
3.1.1 Main Screen Instruction
 Status bar, at the top of the screen, displaying the status of system
information.
 Do Not Disturb plug-in, when enabled DND, prohibit incoming calls in;
Incoming call will be normal when DND is closed.
 Accounts, DW-820 supports 6 lines. Accounts list will show the status of
the current account.
 Extended Screen Prompt, Display the location of current screen page; and
show how many pages extended.
 Shortcuts, at the bottom of the screen, user can drag a shortcut to this
region to achieve the replacement of the shortcut. Supports max six
shortcuts.

3.1.2 Status And Notifications Instruction
The status bar in main screen is divided into two zones, notification area and status
area, as shown below:
Status Area
Icon
Description
Network is connected
Network is not connected
Mute mode
Alarm clock is set
PPPOE is connected
PPPOE is failed
Notification Area
Icon
Description
SIP account is registered
Missed call, number means how many missed calls
Downloading
Uploading
Receive a new email
An event is coming

3.1.3 Using The Touchscreen
 Tap
To select items on the screen (e.g., setting options, apps); to press onscreen
buttons; to type letters and symbols using the onscreen keyboard.
 Touch and Hold
Touch the item on the screen and hold it without lifting your finger from the
screen till an action occurs.
For example, touch and hold on a picture to bring up operation options.
 Drag
Touch and hold an item for a few seconds first. Once the item has a red frame
activated, or a move option shows up, keep your finger on the screen and move
it until the target position is reached. Then lift your finger up to release.
 Slide
Move your finger fast across the screen to slide. To view different idle screens or
menu pages, slide left or right; to view the status bar on top of the screen, place
your finger on the bar and slide it down. If your finger stays on the screen for too
long, the item may be selected and sliding won’t occur.
 Double-click
Click on the screen twice in quick succession, for example, when user surfs in
browser, you can quickly click twice on the page, the page can be enlarged.
 Pinch
Place two fingers on the screen, then pinch them together (zoom out) or spread
them apart (zoom in). This could be used in a picture.
3.1.4 Startup And Shutdown
 Startup
Connect to the power supply, the system automatically starts up.
 Shutdown

If you do not use the device, directly remove the power supply, to save
e lectricity.
 Reboot
If you need to restart the device, according to the following steps:
1) Press and hold the "Power" button until the pop-up "Options" menu.
2) Click the "Reboot"
3.1.5 View / Turn Off Notifications
When viewing notifications, simply press and hold the status bar from the left
side and drag down, as shown below:
To turn off notifications, simply hold the notice at the bottom of the screen and then
drag up or press the "Back" on the hard keyboard. Click on the icon to
clear
up the notice
4.2 Connecting To Network And Wi-Fi
DW-820 supports a variety of network connections (Ethernet, Wireless) and device
Network connections includes four modes, Static IP, DHCP, PPPOE, Wi-Fi access.
DHCP is the default configuration. Device connections include EHS headset, USB and
Bluetooth device.

4.2.1 Configuring Static IP
You can select one of the following methods to enter the static IP configuration:
 Mode 1: In the main screen, press "Menu" key on the hard keyboard-> System
Settings-> Wireless & Networks-> Ethernet- > Using static IP.
 Mode 2: In the main screen, tap -> Settings-> Wireless & Networks->
Ethernet -> Using static IP.
 Mode 3: Drag down the status bar from the right side, click SETTINGS
->Wireless & Networks-> Ethernet->Use static IP.
 Mode 4: In the main screen, tap ->Network Settings->Access Mode->Static
IP.
Configuration page is shown as below
Configuration parameters specification
Parameter
Specification
IP address
set the IP address of the device
Subnet Mask
set the subnet mask of the device
Default Gateway
set the default gateway
DNS Server
set the DNS address
Alternative DNS Server
set the backup DNS address

4.2.2 Configuring DHCP
You can select one of the following methods to enter the DHCP configuration:
 Mode 1: In the main screen, press "Menu" key on the hard keyboard-> System
Settings-> Wireless & Networks-> Ethernet-> uncheck Using static IP.
 Mode 2: In the main screen, tap -> Settings-> Wireless & Networks->
Ethernet -> uncheck Using static IP.
 Mode 3: Drag down the status bar, click SETTINGS icon ->Wireless
& Networks-> Ethernet-> uncheck Use static IP.
 Mode 4: In the main screen, tap ->Network Settings->Access Mode->DHCP.
Configuration page is shown as below
Note:
1) If DHCP acquired IP, it will display dynamic IP address information on the location
of static IP configuration, cannot be modified, and there is a item of Use static DNS at
the bottom the alternative DNS server, when checked, you can modify the primary
DNS address and Secondary DNS address.
2) If DHCP is failed, the IP address will show as: 0.0.0.0.
4.2.3 Configuring PPPOE

You can select one of the following methods to enter the PPPOE configuration:
 Mode 1: In the main screen, press "Menu" key on the hard keyboard-> System
Settings-> Wireless & Networks -> Ethernet ->More ->PPPOE.
 Mode 2: In the main screen, tap -> Settings-> Wireless & Networks->
Ethernet -> More ->PPPOE.
 Mode 3: Drag down the status bar, click SETTINGS ->Wireless
& Networks-> Ethernet-> More ->PPPOE.
Configuration page is shown as below
Parameters specification
Parameter
Specification
Use PPPOE
Checkis to enable PPPOE otherwise, disable.
User Name
PPPOE account, provided by ISP
Password
PPPOE password, provided by ISP
Proceed as follows:
1) Check Use PPPOE

2) Enter the correct user name and password of PPPOE
Note:
1) After dialing, can display the acquired IP address, server IP, the primary DNS,
Secondary DNS information, status as connected
2) Not Dial, IP address information will be 0.0.0.0
3) There is a redial entry under Alternate DNS, click redial, then re-launch a PPPOE
dial-up process, re-dial.
4.2.4 Configuring Wi-Fi
You can select one of the following methods to enter the Wi-Fi configuration:
 Mode 1: In the main screen, press "Menu" key on the hard keyboard-> System
Settings-> Wireless & Networks-> Ethernet- >Wi-Fi.
 Mode 2: In the main screen, tap -> Settings-> Wireless & Networks->
Ethernet -> Wi-Fi.
 Mode 3: Drag down the status bar, click on the status bar.
Configuration page is shown as below