ATCOM AT820 series User manual

AT820 series User Manual
Version: 1.2
2013-08-29

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ATCOM TECHNOLOGY CO., LIMITED www.atcom.cn
Release note
Version
Changed note
Editor
Date
1.0
First Release
Stefen
2013-1-25
1.1
Page 9: Packing List
1. Add Ethernet Cable(1.5m)
Jessie
2013-5-13
1.2
Web Settings -> Account
Add parameters description:
1.Session Timer Enable
2.Early Update Enable
3.Caller ID Display
4.AutoSubscribeMWBEnable
5.Server List
6.Dns Mode
7.Blf List Uri
8.G711A
9.G711U
10.AVT
11.G722
12.G723
13.G729ab
14.iLBC
15.G726-16
16.G726-24
17.G726-32
18.G726-40
Jason
2013-8-29

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Content
Contact ATCOM ............................................................................... 5
1. AT820 Series Overview................................................................. 6
1.1 Interfaces ......................................................................................... 6
1.2 Hardware.......................................................................................... 6
1.3 Software........................................................................................... 7
1.4 Network ........................................................................................... 7
1.5 Management and Maintenance............................................................. 7
1.6 Protocol............................................................................................ 8
1.7 Compliant Standard ........................................................................... 8
1.8 Operating Requirement ....................................................................... 9
1.9 Packing List....................................................................................... 9
1.10 Installation...................................................................................... 9
1.10.1 Start the phone ......................................................................10
1.10.2 SIP registration.......................................................................10
1.11 Feet installation instruction ...............................................................11
1.11.1 Desktop position .....................................................................11
1.11.2 Wall position...........................................................................12
2. Keypad of IP Phone.....................................................................14
3. Menu Operation ..........................................................................15
4. Basic functions and operations .....................................................17
4.1 Answer calls .....................................................................................17
4.2 Make Calls .......................................................................................18
4.3 Hang up the phone............................................................................19
4.4 Call Transfer.....................................................................................19
4.5 Mute ...............................................................................................20
4.6 Call Hold..........................................................................................20
4.7 3-way conference call ........................................................................20
4.8 Call History ......................................................................................20
4.9 SMS function....................................................................................21
4.10 Access Mode...................................................................................22
4.11 Move the cursor ..............................................................................22
5. Web settings ..............................................................................22
5.1 System status ..................................................................................23
5.2 Network ..........................................................................................23
5.2.1 Basic.......................................................................................23
5.2.2 Advance ..................................................................................25
5.3 Sip Setting.......................................................................................27
5.3.1 Sip Timer Values.......................................................................27
5.3.2 RTP Parameters ........................................................................27
5.3.3 SDP Payload Types....................................................................28
5.3.4 NAT Support Parameters ............................................................28
5.4 Account ...........................................................................................29

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5.4.1 SIP .........................................................................................29
5.4.2 Codec Configuration ..................................................................30
5.4.3 Call Feature Setting ..................................................................31
5.4.4 Dial Plan..................................................................................32
5.5 Phone Setting...................................................................................34
5.5.1 Preference ...............................................................................34
5.5.2 Line ........................................................................................36
5.5.3 Features ..................................................................................36
5.5.4 Voice ......................................................................................38
5.5.5 Ring........................................................................................39
5.5.6 Tone .......................................................................................39
5.6. Update ...........................................................................................40
5.6.1 Manual Update .........................................................................40
5.6.2 Auto Provision ..........................................................................41
5.6.3 Reset & Reboot.........................................................................42
5.7 Phone Book......................................................................................42
5.8 Call Log ...........................................................................................42
6. FAQ & Trouble Shooting ...............................................................43
6.1. Frequently Asked Questions...............................................................43
6.1.1. How to make the factory reset...................................................43
6.1.2 Upgrade firmware under safe mode .............................................43
6.1.3 How to make direct IP call..........................................................44
6.2 Trouble Shooting...............................................................................44
6.2.1 The phone can’t register successfully...........................................44
6.2.2 The phone can’t obtain IP address...............................................44
6.2.3 Only one part can hear the voice during the call ............................45

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Contact ATCOM
The Introduction of ATCOM
ATCOM is the leading VoIP hardware manufacturer in global market. We have been
keeping innovating with customer’s needs oriented , working with partners to establish
a total solution for SMB VoIP with IP phone , IP PBX and Asterisk cards.
With over 10 years’ experience of R&D , manufacturing and service in network and VoIP
filed ; mission of creating the biggest value for IP terminals , we commit ourselves in
supplying the competitive IP phone and other terminals for IP PBX , softswitch , IMS ,
NGN providers and carriers; supplying the competitive total VoIP solution for SMB
market. We keep improving the customer’s experience and creating the bigger value
with our reliable products. Until now, our VoIP products has been sold to over 60
countries and used by millions of end users.
Contact Sales
Address
Area C, A2F , Block 3 ,Huangguan Technology Park , #21 Tairan
9th Rd, Chegongmiao , Futian District , Shenzhen China
Tel
+ (86) 755-83018618-8888
Fax
+ (86) 755-83018319
E-mail
[e-mail]
Contact Technical Support
Tel
+ (86) 755-83018618-8011
E-mail
[e-mail]
Website Address:http://www.atcom.cn/
Download Center: http://www.atcom.cn/download.html

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1. AT820 Series Overview
AT820 is almost the same with AT820P without PoE.
AT820/AT820P
Type
PoE
Power adapter
AT820
No
Standard accessory
AT820P
Yes
Optional accessory
1.1 Interfaces
Power input: DC 12V, 500mA.
WAN: RJ45 port.
PC: RJ45 port.
Headset port: RJ9 port.
Handset port: RJ9 port.
1.2 Hardware
LCD: 128×64 dot matrix.
FLASH: 8M.
RAM: 16M.
CPU: 262MHz Dual Core.
LED indicator: 1 Status Light , 2 line indicators, 1 voicemail indicator, 1 headset
indicator, 1 mute indicator, 1 hand-free indicator.

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1.3 Software
Supports Sip 2.0 (RFC3261) and other related SIP RFC.
Supports web control.
Supports Syslog.
Supports G711A/U, G722, G.723, G.726, G.729, iLBC Codec.
Supports STUN.
Supports 2 SIP accounts.
Supports SIP domain，SIP authentication.
Supports DTMF (Inband, RFC2833 and Info).
Supports voicemail.
Supports dial rule, IP to IP call.
Supports network time synchronization (NTP).
Supports speed dial.
Supports Call Forward, Call transfer, 3-way conference, Call hold, Call waiting,
Redial, Pickup, Call Park.
Supports VAD, CNG，Jitter Buffer.
Supports DND (Do Not Disturb), Auto Answer, Blacklist, Block Call ID, Block Anc
Call.
Supports HTTP, FTP, TFTP updating the configuration and firmware.
Supports auto provision for config file upgrade.
Supports phone book with 100 records and 50 blacklist records.
Supports call log with 50 answered, 50 missed and 50 dialed call records
respectively.
Supports multi-language
1.4 Network
Supports bridge mode and route mode.
Supports static IP, DHCP and PPPoE.
Supports VLAN (DATA VLAN and VOICE VLAN).
Supports L2TP VPN.
Supports Qos, Qos supports Diffserv.
Supports basic NAT and NAPT.
1.5 Management and Maintenance
Supports firmware updating under safe mode.

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Supports different level user management.
Configuration via web, keyboard.
Firmware and configuration file auto provision.
Firmware and configuration updating via HTTP, FTP and TFTP.
Support system log and call log.
1.6 Protocol
IEEE 802.3 /802.3 u 10 Base T / 100Base TX.
PPPoE：Point to Point Protocol over Ethernet.
DHCP: Dynamic Host Configuration Protocol
SIP RFC3261, RFC3262, RFC3263, RFC3264, RFC3265, RFC2543, RFC3489,
RFC3842, RFC3515, RFC2976, RFC3428, RFC2327, RFC2782, RFC1889.
TCP/IP: Transfer Control Protocol/Internet Protocol.
RTP: Real-time Transport Protocol.
RTCP: RTP Control Protocol.
SRTP: Secure Real-time Transport Protocol.
VAD/CNG: Voice Activation Detection/Comfort Noise Generator.
DNS: Domain Name Server.
TFTP: Trivial File Transfer Protocol.
HTTP:Hypertext Transfer Protocol.
FTP: File Transfer Protocol.
1.7 Compliant Standard
CE：EN55024, EN55022.
Comply with ROHS in EU.
Comply with ROHS in China.

Explanation: The letter “e” is the first letter of “environment” and “electronic”. The
rim is a round with two arrows, stands for recycles. The number 20 stands for the
years of environment protection. Please note the years of environment protection is
not discarding year nor usage life.

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1.8 Operating Requirement
Operation temperature: 0 to 45°C (32°to 113°F).
Storage temperature: -5°to 55°C (23°to 131°F).
Humidity: 10 to 90% no dew.
1.9 Packing List
Model
Phone
Handset
Hands
et line
Power
adapter
Ethernet
Cable
Manu
al CD
Feet
underpr
op
AT820
1
1
1
1,Standar
d
accessory
1, 1.5m
1
2
AT820P
1
1
1
Optional
accessory
1, 1.5m
1
2
Note: Power adapter Input: AC 100~240V, 50/60Hz; Output: 12V, 500mA.
1.10 Installation
Use Ethernet cable to connect AT820’s WAN port and computer on the same switch,
AT820 default to use DHCP to obtain IP from switch. The following is the connection
diagram of application:

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1.10.1 Start the phone
For AT820, it can start only with DC. But AT820P can also make it with POE.
A. Start through DC
Connect the phone with the power source by using a power adapter.
B. Start through POE
Connect the LAN port with a switch or a hub which compatibles the standard of
IEEE02.3af.
1.10.2 SIP registration
The phone needs to register to SIP server before using it.
Steps to register:
A. Check the parameters of network:
1. Press “MENU”.
2. Input the password which defaults to 123 to login.
3. Move the cursor to “9.Network” and press “Select”soft key to check the
phone’s IP.
B. Configure the phone via web:
1. Make sure the phone and the computer is in the same network segment.
2. Open web browser and key in the phone’s IP to login to the phone’s webpage.

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C. Configure SIP parameters:
1. Click on “admin”at the top right corner of the webpage to enter administrator
mode. The default username is admin for administrator and user for user, no
passwords were set for them, but user can set password in the webpage.
2. Select Account item.
3. Configure the parameters refers to Account/SIP.
1.11 Feet installation instruction
1.11.1 Desktop position
Put the bottom side of the IP phone upside and press the plate with letter “PUSH” into
the slot, please refer the picture as below:
A. Press the other plate into the slot in accordance with the direction of the arrow.
B. Repeat A and B. It is the right picture of putting on desk after fixing the two feet
below:

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C. Disassemble the feet:
Press the plate with word “PUSH” and pull the feet with the direction of arrow. When the
plate is pull out of the slot (there will be a sound of “pa”) user can take off the feet.
1.11.2 Wall position
A. Put the bottom side of the IP phone upside and push the plate with letter “PUSH” into
the slot, please refer the picture as below:
B. Push the other plate into the slot in accordance with the direction of the arrow.
C. Repeat A and B. It is the picture of wall mounting after fixing the two feet below:

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D. Disassemble the feet way:
Press the plate with word “PUSH” and pull the feet with the direction of arrow. When the
plate is pull out of the slot (there will be a sound of “pa”) user can take off the feet.
Attention: Please rotate the hook to the
position as in picture with a coin or other
tools

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2. Keypad of IP Phone
Sketch Map of AT820/AT820P
Description of indicators and buttons：
LCD Screen
Display screen for the phone: It shows the date, time, phone
number, incoming caller’s ID (if available), line/call status,
extension numbers and the soft key features.
Status
Shows the phone status
If the phone is starting, the LED will flicker.
If the phone is standby, the LED will be off.
If there is income calling, the LED will flicker. The frequency
is 500ms off, 500ms on.
Lines
Shows extension number and status. There are three colors for
LED: red, yellow and orange.
If the line is registered, the LED will show yellow.

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If enables the line but failed to register to server, the LED
will show orange.
If the line has income call, the LED will show red and flicker,
the frequency is 500ms off, 500ms on.
If the line is on the call, the LED will show red.
If disables the line, the LED will be off.
Soft key
features
Show available choices based on current phone function
displayed on the last line of LCD screen.
Soft keys
Keys for pressing to select a feature shown in the soft key
features.
Menu
Press it to enter the menu, and once more to exit it.
Navigation
button
Allows users to navigate(left, right, up, down), under the
standby mode, press up and down to change the line, right and
left to change soft key features.
Dial pad
For entering numbers, letters or characters
Volume
adjustment
buttons
Adjust the volume
“+” for turning up the volume unless the volume is the
loudest yet.
“-” for turning down the volume unless the volume is the
lowest yet.
Voicemail
button
Check the voicemail status, if there is unread voicemail, the LED
button will blink.
Headset
button
Pick up and hung up under headset mode. When pick up by
headset, the LED button will be on.
Mute button
Mute the handset, headset or speakerphone by press the
mute button. It prevents the person on the active call from
hearing what user or someone else in the room is speaking.
To cancel the mute function, press the mute button again.
If mute the voice, the LED will light on this button.
If the WAN link is disconnected, the LED will blink.
Speakerphon
e button
Pick up and hung up on the speakerphone mode, when pick up
by speakerphone, the LED of the button is on
3. Menu Operation
Press Menu/Enter to enter menu, user will see the list of items in turn as follows.
Level 1 Menu
Level 2 menu
Level 3 Menu
1.Directory
Personal Directory
2.Speed Dial

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2<Not Assigned>
3<Not Assigned>
4<Not Assigned>
5<Not Assigned>
6<Not Assigned>
7<Not Assigned>
8<Not Assigned>
9<Not Assigned>
3.Call History
Dialed Calls
Answered Calls
Missed Calls
4.Ring Tone
Ext1:Ring2.wav
Ext2:Ring1.wav
5.Preferences
Block Caller ID
Block Anonymous Call
Do Not Disturb
Call Waiting
Dial Assistance
Preferred Audio Device
Speaker
Auto Answer
6.Call Forward
CFWD All Number
CFWD Busy Number
CFWD No Ans Number
CFWD No Ans Delay
7.Time/Date
Time Mode
Manual Settings
NTP Settings
Date Format
Time Format
8.Voice Mail
Voice Mail Number
9.Network
Connect Type
Current IP
Host Name
Domain
Current Netmask

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Current Gateway
Enable Web Server
Non-DHCP IP Address
Non-DHCP Subnet mask
Non-DHCP Default Rout
Non-DHCP DNS 1
Non-DHCP DNS 2
PPPoE Login Name
PPPoE Login Password
10.Product Info
Product Name
Serial Number
Software Version
Hardware Version
MAC Address
Protocol
11.Status
Phone
Ext 1
Ext 2
LineKey 1
LineKey 2
12.Reboot
13.Factory Reset
14.Set Password
New Password:
New Password:
15.LCD Contrast
4. Basic functions and operations
4.1 Answer calls
When there is an incoming call, AT820 will remind user with ring. There are 3 ways to
answer the call:
A. Answer by handset
Pick up the handset and talk with the caller. If user wants to hang up, just put back
the handset. If user wants to switch in handset mode, headset mode and hand-free
mode, just press the hand-free button or the headset button. Be attention: only
after done the switch can user put the handset back, or the call will be ended.

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B. Answer by handfree
Press the handfree button in the phone and talk with callers by built-in Micro-phone
and Speaker. If user wants to switch in handset mode, headset mode and handfree
mode, pick up the handset to switch to handset mode, and press the headset button
to switch into headset mode.
C. Answer by headset
Keep the headset connected with the RJ9 headset jack, when there is an incoming
call, press the headset button on the IP phone and then user can talk with the caller
by the headset. If user wants to switch in handset mode, headset mode and
hand-free mode, user just need to pick up the handset to switch to handset mode,
and press the hand-free button to switch into the hand-free mode.
4.2 Make Calls
A. Use the handset
1. Pick up the handset then input the number with the keyboard and press “#” or
“Dial” to send the number. After hearing the tones of “du~~du~~” with dialed
number showed on the LCD, it means that the callee’s phone is ringing. If the
callee answers the call, the call will be established and the LCD will show the
calling time and callee’s number.
2. Input the number then pick up the handset, the phone will dial the number
automatically. After hearing the tones of “du~~du~~” with dialed number
showed on the LCD, it means that the callee’s phone is ringing. If the callee
answers the call, the phone call will be established and the LCD will show the
calling time and callee’s number.
B. Use the hand-free button
1. Press the Speaker Phone button then input the number with the keyboard and
press “#” or “Dial” to send the number. After hearing the tones of “du~~du~~”
with dialed number showed on the LCD, it means that the callee’s phone is ringing.
If the callee answers the call, the phone call will be established, and the LCD will
show the calling time and callee’s number.
2. Input the number then press the hand-free button, the phone will dial the number
automatically. After hearing the tones of “du~~du~~” with dialed number
showed on the LCD, it means that the callee’s phone is ringing. If the callee
answers the call, the phone call will be established and the LCD will show the
calling time and callee’s number.
C. Use the headset
1. Press the headset then input the number with the keyboard and press # or “Dial”
to send the number. After hearing the tones of” du~~du~~” with dialed number
showed on the LCD, it means that the callee’s phone is ringing. If the callee
answers the call, the phone will be established and the LCD will show the calling
time and callee’s number.

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2. Input the number then press the headset button, the phone will dial the number
automatically. After hearing the tones of “du~~du~~” with dialed number
showed on the LCD, it means that the callee’s phone is ringing. If the callee
answers the call, the phone call will be established and the LCD will show the
calling time and callee’s number.
D. Use the phone book
Press " MENU” button to enter the menu, after inputting the password, select the first
item: “1 Directory”, then select the “Personal Directory”. Use "up" and "down" keys
to find the contact person. After finding out the certain contact person, press "Dial"
to make call.
E. Use the History
Press “MENU” key to enter the menu, after inputting the password, select the third
item: “3 Call History”, then choose one of the three kinds of record: “Dialed” or
“Answered” or “Missed”, use the keys “+” and “-” to find the certain contact. After
finding out the certain number, user could dial to the right number by pressing
button “Dial”, or making one of the three modes (handset, hand-free and headset)
active.
4.3 Hang up the phone
A. Handset hang up
When calling under handset mode, put the handset back to hang up.
B. Handfree hang up
When calling under handfree mode, press button “handfree” to hang up.
C. Headset hang up
When calling under headset mode, press button “headset” to hang up.
4.4 Call Transfer
A. Attended transfer:
Attended transfer allows user to speak to the third part before transfer. If A is talking
with B, A wants to transfer the call to C. The operation steps are:
1. A presses "Xfer".
2. A dials C’s number to ask whether C would answer the call from B or not.
3. If C agrees, A presses "Xfer" again to transfer B’s call to C.
B. Blind transfer:
Blind transfer doesn’t allow user to talk with the third part instead of ending the call
directly, it means to user that the call is over after the blind transfer. If A is talking
with B, B wants to speak to C with A’s help of transferring. The operation steps are:
1. A presses "Bxfer"

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2. A dials C’s number, then A will be hang up no matter C receive the call or not.
4.5 Mute
Once the “Mute” key is been pressed, no voice will be transported to the other port
anymore. Such state will be kept no matter user switches the mode among handset
mode and handfree mode and earphone mode till the button “Mute” is been pressed
again.
4.6 Call Hold
User can hold the current call by pressing “Hold”. To resume the call, user needs to press
soft “Hold” again. The functions are available under 3-way conference mode the same as
under normal mode. When the phone is in the situation of “Hold”，the call won’t be
hanged up, instead, the call will be kept holding.
4.7 3-way conference call
Steps of starting a 3-way conference call are as follows:
A. When A is talking with B and they want to make conference call with C. A or B just
needs to press soft key "Conf", the other one in the call will be held, and then the initiator
dials C’s number, presses “#” or ”Dial” to make the call.
B. After C answers the call, the initiator presses “Conf” to begin the 3-way conference
call.
C. If the initiator hangs up directly before the 3-way conference call established, it will
be ended, and the others will be hanged up, too.
D. Anyone in the 3-way conference call can act as an initiator of a new 3-way
conference call. This initiator obeys the above rule number 3.
4.8 Call History
AT820 supports 50 missed calls, 50 incoming calls and 50 dialed calls record. When the
storage is full, the latest call will update the history. Press "Redial" soft key when
standby, all the received (<-), dialed (->) and missed calls (!) will be listed. When the
phone updates or is factory reset, all the call history records will be cleared.
A. Missed call
When there is a missed call, the LCD screen will display the amount of missed calls,
press “Missed”to check the records. There is another way to obtain the missed call:
1. Press the "MENU" button, input right password.
2. Press the navigation button to choose “3 Call History”or press digit button “3”,