Addtron Technology Telephone KE1020A User Manual

Netphone  
KE1020A/KE1021A  
User’s Manual  
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1. Introduction  
The Netphone-KE1020A/KE1021A is a user-friendly VoIP phone that looks very similar to a regular phone but  
uses the Internet for voice communication. Whether you are a corporate user with an enterprise intranet or a home  
user with a regular Internet connection you will experience significant toll savings by using your Netphone. The  
Netphone is capable of communicating with any regular land or mobile phone as well having the ability to call  
other Netphones.  
KE1020A is VOIP terminal with two RJ45 connectors, while KE1021A with one RJ45 connector.  
Note: The KE1020A model has two RJ45 Ethernet connectors while KE1021A only has one. If you have  
purchased a KE1020A you will be able to plug your PC into the port labeled “PC”. The KE1020A’s two  
RJ45 Ethernet connectors have HUB function.  
2. Package Contents  
Phone Handset  
Handset Cord  
Power Adapter: 12V DC  
User’s Manual  
Ethernet Cable  
3. Component Illustration  
Figure 1——Front View  
1~9 Keys  
* Key  
number keys  
call out  
# Key  
Function Keys:  
M1~M8  
fast dial  
PHONEBOOK  
HOLD  
phone book  
call keeping  
volume increase  
volume decrease  
backspace  
call out  
VOL+  
VOL-  
BACKSPACE  
CALL  
REDIAL  
redial  
SPEAKER  
hand free  
Menu Keys:  
UP  
page up  
page down  
set/ok  
DOWN  
SET/OK  
ESC  
exit  
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Figure 2——Side View  
1——RJ-45 input port  
2——RJ-45 output port  
3
2
1
[KE1020A does not have this port]  
3——Power Port  
4. Character Strings  
Corresponding Keys:  
Key  
1
Characters  
. , ' ? !" 1 -  
2
a b c 2 A B C 2  
d e f 3 D E F 3  
g h i 4 G H I 4  
j k l 5 J K L 5  
m n o 6 M N O 6  
p q r s 7 P Q R S 7  
t u v 8 T U V 8  
w x y z 9 W X Y Z 9  
( ) @ 0 - * &  
3
4
5
6
7
8
9
0
*
*
If you need to enter alphabetic characters or a numeric sequence then press the corresponding key above  
repeatedly until the character you require is displayed.  
Only when you key in the ‘Local IP’, ‘Subnet Mask’, ‘Router IP’,‘DNS1’ and ‘DNS2’ you should use the ‘*’ key  
for the dot.  
IMPORTANT NOTE: If the next character you want to type needs to be input using the same key then you must  
press ‘#’ to confirm the last entry before you can generate the next character. For example: To enter ‘Damon’,  
press ‘3333326#666#66#’. (“m”, “o” and “n” are all entered using ‘6’ key so you must press ‘#’ to confirm the last  
letter before you can generate the next character)  
5. Installation and Settings  
5.1 Installation  
1Place your Netphone-KE1020A/KE1020A near a power outlet.  
2Plug the RJ-45 connector of the Ethernet 10/100Base-T cable into the Netphone-KE1020A/KE1020A’s  
side input port,and plug the other side into a hub or switch, or wall/ground socket of the structuring  
cable.  
3Plug the accessory power-adapter into the power outlet, then connect the output-plug to power-port ③  
of the Netphone-KE1020A/KE1020A.  
NOTE: If the network is without a HUB, the Netphone-KE1020A/KE1020A should be connected with other  
Ethernet equipment (such as XDSL adapter, CABLE modem or PC) by crossing-over cable. Otherwise the  
direct-connecting cable is applied.  
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KE1020A  
KE1020A  
The phone should now be connected as in the diagram above.  
Within 30 seconds of being connected to the Internet your Netphone should display “Ready For Calls”. If it does,  
then no other configuration is necessary – you can make calls. If the phone continues to say “Please Wait” or  
“Wait Logon” for more than 30 seconds then it has not been able to connect to the Internet – consult the Problems  
and Solutions section of this guide.  
If your service provider has instructed you to configure the Netphone you will need to consult the Setting  
Instructions below.  
5.2 Settings  
Note: After you have changed a setting ESC back out of the menu and press SET/OK to save settings when  
prompted to.  
5.2.1Setting Steps  
If your Netphone account has been set up, please skip the section ‘5.2.5 Account settings’.  
Dynamic IP Users  
PPPoE Users  
Parameter Settings  
Account Settings  
Static IP Users  
5.2.2 Dynamic IP Users  
If you need to configure DNS IP  
Press SET/OK to enter the submenu and select ‘DNS1’ by pressing UP and DOWN.  
Press SET/OK to enter setting menu and configure your DNS2.  
If a spare DNS is requested, press SET/OK to enter the submenu and select DNS2 by pressing UP and  
DOWN; or you may press SET/OK to enter setting menu and configure your DNS2.  
If the account information has been set up, you may start using as soon as you plug in.  
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5.2.3 PPPoE Users’ Parameter Settings  
Press ‘SET/OK’ to enter the main menu, and use ‘UP’ and ‘DOWN’ to scroll and select ‘TCP/IP Settings’.  
A. Do not use DHCP  
Press ‘SET/OK’ to enter the submenu, and use ‘UP’ and ‘DOWN’ to select ‘Use DHCP’.  
Press ‘SET/OK’ to enter settings. Input 0 to disable DHCP.  
B. Use PPPoE  
Press ‘SET/OK’ to enter the submenu, and use ‘UP’ and ‘DOWN’ to select ‘Use PPPoE’.  
Press ‘SET/OK’ to enter settings. Input 1 to enable PPPoE.  
C. Set PPPoE account  
Press ‘SET/OK’ to enter the submenu, and use ‘UP’ and ‘DOWN’ to select ‘PPP Identity’.  
Press ‘SET/OK’ to enter settings. Continue pressing a number key to change the letter, and press the ‘#’ key  
to confirm it.  
D. Set PPPoE Password  
Press ‘SET/OK’ to enter the submenu, and use ‘UP’ and ‘DOWN’ to select ‘PPP Identity’.  
Press ‘SET/OK’ to enter settings. Continue pressing a number key to change the letter, and press the ‘#’ key  
to confirm it.  
E. If DNS IP is requested  
Press ‘SET/OK’ to enter the submenu, and use ‘UP’ and ‘DOWN’ to select ‘DNS1’.  
Press ‘SET/OK’ to enter settings and configure your ‘DNS1’.  
If a spare DNS is requested, press SET/OK to enter the submenu and select DNS2 by pressing UP and  
DOWN; or you may press SET/OK to enter setting menu and configure your DNS2.  
NOTE: When you finish setting up, press ‘SET/OK’ to confirm or ‘ESC’ to cancel. If you input your setting  
accordingly, the LCD will display the new setting. Otherwise, the LCD will display ‘Input Invalid’; press  
ESC to return to your previous setting.  
5.2.4 Static IP Users’ Parameter Settings  
Press ‘SET/OK’ to enter the main menu, and use ‘UP’ and ‘DOWN’ to scroll and select ‘TCP/IP Settings’.  
A. Do not use DHCP  
Press ‘SET/OK’ to enter the submenu, and use ‘UP’ and ‘DOWN’ to select ‘Use DHCP’.  
Press ‘SET/OK’ to enter settings. Input 0 to disable DHCP.  
B. Set Local IP  
Press ‘SET/OK’ to enter the submenu, and use ‘UP’ and ‘DOWN’ to select ‘Local IP’.  
Press ‘SET/OK’ to enter settings. Input the IP address. Use the ‘*’ key for the dot.  
C. Set subnet mask  
Press ‘SET/OK’ to enter the submenu, and use ‘UP’ and ‘DOWN’ to select ‘Subnet Mask’.  
Press ‘SET/OK’ to enter settings. Input the IP address. Use the ‘*’ key for the dot.  
D. Set Router IP  
Press ‘SET/OK’ to enter the submenu, and use ‘UP’ and ‘DOWN’ to select ‘Router IP’.  
Press ‘SET/OK’ to enter settings. Input the IP address. Use ‘*’ key for the dot.  
E. Set DNS IP  
Press ‘SET/OK’ to enter the submenu, and use ‘UP’ and ‘DOWN’ to select DNS IP.  
Press ‘SET/OK’ to enter settings. Input the IP address. Use ‘*’ key for the dot.  
If a spare DNS is requested, press SET/OK to enter the submenu and select DNS2 by pressing UP and  
DOWN; or you may press SET/OK to enter setting menu and configure your DNS2.  
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NOTE: When you finish set- up, press ‘SET/OK’ to confirm or ‘ESC’ to cancel. If you input your setting  
accordingly, the LCD will display the new setting. Otherwise, the LCD will display ‘Input Invalid’; press  
ESC to return to your previous setting.  
5.2.5 Account Settings  
Press ‘SET/OK’ to the main menu, use ‘UP’ and ‘DOWN’ to select ‘Account Settings.  
A. Set phone number  
Press ‘SET/OK’ to the submenu, use ‘UP’ and ‘DOWN’ to select ‘Phone Number’.  
Press ‘SET/OK’, and then, use 0~9 to input the phone number  
B. Set user ID  
Press ‘SET/OK’ to the submenu, use ‘UP’ and ‘DOWN’ to select ‘User Identity’.  
Press ‘SET/OK’, and then, use 0~9 to input the user ID. Continuous press a number key to change the letter  
and press ‘#’ key to confirm it.  
C. Set user password  
Press ‘SET/OK’ to the submenu, use ‘UP’ and ‘DOWN’ to select ‘User Password’.  
Press ‘SET/OK’, and then, use 0~9 to input the user password. Continuous press a number key to change the  
letter and press ‘#’ key to confirm it.  
6. Service Features  
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Netphone calling Netphone  
Netphone calling Regular Phone  
Call Forwarding  
Regular Phone Calling Netphone (For service areas please refer to the service carrier’s web sites)  
Conferencing  
6.1 Netphone Calling Netphone  
Every Netphone will be assigned a Netphone number. Netphone users can directly call each other’s number  
followed by ‘CALL’ key.  
Example: A user with the number 6667777 calling another user with the number 7778888.  
The 6667777 user simply pick up the Netphone handset, and dial 7778888CALL after hearing a dialing tone.  
6.2 Netphone Calling Regular Phone  
Every Netphone can call any land or mobile phone anywhere in the world. Please dial with the service  
carrier’s dialing rule.  
Example 1: If a U.S service carrier’s dialing rule: To call a U.S or Canada number, please first dial 1, then the  
telephone number followed by ‘CALL’ key.  
Netphone user calling a U.S/Canada regular number 213-000-0000.  
Pick up the Netphone handset, dial 12130000000CALL after hearing the dial tone.  
Example 2: If a U.S service carrier’s dialing rule: To call other countries’ regular numbers, please first dial  
011, then the country code (no ‘0’ as prefix), and dial the telephone followed by ‘CALL’ key.  
Netphone user calling a China regular number 0755-88889999.  
Pick up the Netphone handset, dial 0118675588889999CALL after hearing the dial tone.  
Example 3: If a China service carrier’s dialing rule: To call other countries’ regular numbers, please dial the  
district code, and dial the telephone followed by ‘CALL’ key.  
Netphone user calling a China regular number 0755-88889999.  
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Pick up the Netphone handset, dial 075588889999CALL after hearing the dial tone.  
6.3 Call Forwarding  
Every Netphone has call forwarding capability, when the user is not online the incoming call can be  
forwarded to a preset telephone number.  
Settings:  
Enter the user system and click on the manual’s main page to set the forwarded number. The number must  
accord with service carrier’s dialing rule.  
Please type in the target number the called is forwarded to.  
NOTE: Call forwarding target number must be a PSTN number, with more than 7 digits.  
Example 1: If a U.S service carrier’s dialing rule: To call a U.S or Canada number, please first dial 1, then the  
telephone number.  
Netphone user want to make a call forward to 213-000-0000. Netphone user can fill in 12130000000.  
Example 2: If a U.S service carrier’s dialing rule: To call other countries’ regular numbers, please first dial  
011, then the country code (no ‘0’ as prefix), and dial the telephone at last.  
Netphone user want to make a call forward to 0755-88889999. Netphone user can fill in 0118675588889999.  
Example 3: If a China service carrier’s dialing rule: To call other countries’ regular numbers, please dial the  
district code, and dial the telephone at last.  
Netphone user want to make a call forward to 0755-88889999. Netphone user can fill in 075588889999.  
6.4 Regular Phone calling Netphone  
This is an optional service. Only areas that provides Netphone access numbers allow calls from a regular  
phone to Netphone, for detail please refer to ‘Access Code Availability Schedules’ on the Carrier Service  
page.  
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This service is categorized into two types: Once Dialing and Twice Dialing.  
Once Dialing: Users with this service will have their Netphone numbers bundled with a regular local phone  
number of a certain place, and people will only have dial that bundled local phone number to reach the  
subscribing Netphone user.  
Example: A Mexico Netphone user 6667777 bundles with a U.S Los Angeles regular phone number  
1-213-000-0000, then friends in the U.S just have to dial 1-213-000-0000 to connect with the 6667777  
Netphone.  
Twice Dialing: People just have to dial any number listed on the Carrier Service page, and dial the Netphone  
number that subscribes to this service after hearing a second dial tone, then they can reach that Netphone user.  
Examples: A Mexico Netphone user 6667777 is subscribed to this service, and its Los Angeles access code is  
1-213-000-0000. People only just need to dial 1-213-000-0000, then dial 6667777CALL to reach that  
Netphone user in Mexico.  
6.5 Conferencing  
How it Works  
Once the conferencing call feature has been set-up on your account, you can initiate a conference and have a  
conference with different parties simultaneously. You will act as a ‘Host’ and invite ‘Participants’ into the  
conference that you initiated.  
Setting yourself up for conference calling now  
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Go to “My Account” interface  
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Enter your IP Phone Number, Password and the digits displayed then click Submit.  
Click “My Conference Call” in the grey menu bar to view the Conference Call Setup:  
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Enter the maximum number of people you will likely be conferencing with at one time.  
In some circumstances a password will be required for the Host and Participant to be involved in the  
conference.  
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Click on the check boxes to select the defaults of 1234 and 4321 to be the password or change them to  
something else you will remember easily. (If you do not click on the check boxes a random password will be  
chosen and advised to you.)  
Click Submit and your conference feature will be established.  
How to initiate a conference call and invite others.  
You, as the Host, enter the conference and bring the other participants into the call:  
Steps in Detail:  
A. Dial access number, followed by # from your Phone.  
B. You will hear a beep tone confirming that you have entered the conference room. Now press # to invite a  
Participant to the conference room. After hearing the voice prompt ‘Please enter the destination phone number  
followed by the pound key’, dial the phone number of the person you want to bring into the conference and  
then press #. After the Participant answers, press # to add this participant to the conference. Alternatively if  
you dialed the wrong number or the Participant does not answer just press the “*” key and you will be  
returned to the conference without the Participant.  
C. To invite another participant, press #, wait for prompt, dial next participant’s phone number followed by #,  
wait for answer and then press # to join them into conference. Repeat this process to invite more participants  
into the conference. Remember you can use * if you want to return to the conference without the Participant.  
Note: You can conference other users by simply dialing their Phone number followed by #. For Participants  
with regular phone just dial the international dialing prefix followed by their regular telephone number  
and then press #.  
How to have participants to enter the conference room themselves  
Any participant that has a Netphone can dial our participant access number to enter an active conference  
himself or herself. However the conference call needs to have already been initiated by the Host before the  
participant can join.  
Steps in Detail:  
A. The Host must setup the Participant Password on the “My Account” web site. The Host must then tell the  
Participants the conference ID and the Participant password.  
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B. Host initiates the Conference by dialing, host access number + #.  
C. Participant dials participant access number + #. Participant will hear the prompt ‘To join a conference, press 1.  
To listen to a conference recording, press 2. To access your messages, press 3. To leave a voice mail, press the  
star key’. Participant should then press 1 and will hear the prompt “Please enter conference ID”. Participant  
should then enter the conference ID (Host’s Phone number) followed by #. Finally Participant will hear the  
prompt “Please enter the conference password followed by the # key” and should then enter the Participant  
password followed by # to enter the conference.  
D. Other participants can follow the same process as mentioned in C. to join the conference.  
Note: Participants who only have a regular phone and are located in USA, Hong Kong or Taiwan can enter the  
conference from their regular phone by dialing the local access number (contact us for details) and once connected  
can dial participant access number + # as above. Otherwise the participant can only be invited into the conference  
by host  
7. Functions  
7.1 Redial  
After the phone is hung up, pick up the handset, and press ‘REDIAL’ to dial the last dialed number.  
7.2 Adjusting Handset and Speaker Volumes  
During the phone call, press ‘VOL+’ to increase the volume and press ‘VOL-’ to lower the volume.  
NOTE: Volume is reset to default volume when the phone is turned off or restarted  
7.3 Review Incoming and Outgoing Call Information  
Press ‘SET/OK’ to enter the main menu, and use ‘UP’ and ‘DOWN’ to scroll and select ‘PhBook Settings’ to  
view incoming and dialed calls information.  
7.3.1Review Missed Calls  
Press ‘SET/OK’ to enter the submenu, and use ‘UP’ and ‘DOWN’ to select ‘Missed call’.  
Press ‘SET/OK’ to enter, and use ‘UP’ and ‘DOWN’ to select the phone number. Press ‘CALL’ to launch.  
When the missed number is displayed on the screen, press SET/OK and then input contact person  
information, press SET/OK to save this number.  
7.3.2Review Received Calls  
Press ‘SET/OK’ to enter the submenu, and use ‘UP’ and ‘DOWN’ to select ‘Received calls’.  
Press ‘SET/OK’ to enter, and use ‘UP’ and ‘DOWN’ to select the phone number. Press ‘CALL’ to launch.  
You could check your call duration.  
When the received call number is displayed on the screen, press SET/OK and then input contact person  
information, press SET/OK to save this number.  
7.3.3Review Dialed Number  
Press ‘SET/OK’ to enter the submenu, and use ‘UP’ and ‘DOWN’ to select ‘Dialed Number’.  
Press ‘SET/OK’ to enter, and use ‘UP’ and ‘DOWN’ to select the phone number. Press ‘CALL’ to launch  
You could check your call duration.  
Note: For Missed calls, Received calls and Dialed number, you can at most store 80 pieces records  
under each menu. When the record has reached this limit, the earliest records would be removed  
automatically. In case of power break or system reboot, all records would be lost.  
Calling duration showed on the screen is only for your reference,for the exact calling duration, please  
refer to the Gatekeeper billing system.  
7.4 Use PhoneBook  
Press SET/OK to the main menu and use UP and DOWN to select ‘PhBook Settings’  
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7.4.1Query PhoneBook  
Press SET/OK to the submenu and use UP and DOWN to select ‘Query PhoneBook’.  
Press SET/OK and use UP and DOWN to do query.  
7.4.2Add new numbers  
Press SET/OK to the submenu and use UP and DOWN to select ‘Add PhoneNumber’.  
Press SET/OK to add new numbers.  
Note: The limit is 112 pieces records.  
7.4.3Delete Phone Number in the PhoneBook  
A prompt to delete your phone number would pop up if you press SET/OK after entering your PhoneBook.  
Press SET/OK to add new numbers.  
7.5Hold  
Press HOLD to block the voice.  
7.6 Back Space  
If entered a wrong number or letter, press the ‘BACKSPACE’ button to delete the last entry.  
7.7 Hand Free Function  
Press the ‘SPEAKER’ button can enable hand free conversation.  
7.8 Upgrade  
Press ‘SET/OK’ to enter the main menu, and use ‘UP’ and ‘DOWN’ to scroll and select ‘Advced Settings’.  
Press SET/OK to the submenu and use UP and DOWN to select ‘Upgrade Now!’.  
Press SET/OK to upgrade.  
NOTE: If no notice, please do not change the contents of ‘Upgrade Now!’.  
7.9 AbbrDialPlan  
Press ‘SET/OK’ to enter the main menu, and use ‘UP’ and ‘DOWN’ to scroll and select ‘Advced Settings’.  
7.9.1Use AbbrDialPlan  
Press SET/OK to the submenu and use UP and DOWN to select ‘Use AbbrDialPlan’;  
Press SET/OK and then input 1.  
7.9.2Cancel AbbrDialPlan  
Press SET/OK to the submenu and use UP and DOWN to select ‘Use AbbrDialPlan’;  
Press SET/OK and then input 0.  
7.9.3Query AbbrDial  
Press SET/OK to the submenu and use UP and DOWN to select ‘Query AbbrDial’;  
Press SET/OK and then use UP and DOWN to check. There are altogether 10 pieces records in AbbrDial.  
[ShortNumber form 0 to 9, LongNumber is what the specific short number stands for.]  
7.9.4Add AbbrDialPlan  
Press SET/OK to the submenu and use UP and DOWN to select ‘Add AbbrDialPlan’.  
Press SET/OK to add AbbrDialPlan.  
7.9.5Delete AbbrDialPlan  
Press SET/OK to the submenu and use UP and DOWN to select ‘Query AbbrDial’;  
Press SET/OK and use UP and DOWN to choose the particular piece of record you want to delete, press  
SET/OK to delete. Press ESC to cancel.  
7.10 SpeedDials: M1---M8  
7.10.1SpeedDial Query  
Just press the M1---M8 key to display the Speed Dial number. Press “Call” to launch this number.  
7.10.2Add SpeedDial number  
Press M1---M8. If Speed dial is empty screen will display “SpeedDial Empty Add number/SetOk”. Press  
SET/OK. Key in Contact’s Name (refer Section 4 of this guide) followed by SET/OK and then enter the  
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contact’s phone number. Press SET/OK to add.  
7.10.3Modify or delete SpeedDial number  
Press M1---M8 speed dial to be modified or deleted. Press SET/OK to delete the currently stored speed dial.  
Press SET/OK if you wish to enter new details for this speed dial. Otherwise, if you wish to leave the  
SpeedDial empty just press ESC. Please press SET/OK to save the changes when prompted to.  
Note: Speed dials can not be modified. You must delete the speed dial and then enter a replacement.  
8. Frequent Problems and Answer  
Problem  
Possible Cause  
Solution  
Poor Voice Quality  
Your internet connection bandwidth Your internet connection may not be  
is less than 30Kbps  
performing correctly. Please contact your  
Internet Service Provider or Network  
administrator.  
Unstable network connection:  
Network delay > 500ms or network  
trembling > 100ms or network  
packet loss > 10%  
Phone continues to  
display either ‘Please  
Wait’ or ‘Wait Logon’  
Phone’s connection to the internet is Please contact the supplier of your Mamakall  
obstructed by a firewall.  
Netphone for advice on how to configure  
your firewall or proxy server.  
Your network has a proxy server  
which is blocking the phone’s  
connection to the internet.  
Your phone is configured with  
incorrect account details.  
Please contact the supplier of your Mamakall  
Netphone for advice on how to reconfigure  
your account details.  
Your phone is configured with an  
incorrect server address.  
Please contact the supplier of your Mamakall  
Netphone to confirm your phone has the  
correct server details.  
9. Others  
9.1 System Characteristics  
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Program memory—1024KB Flash memory  
Ethernet interface—One or two RJ45 connector compatible with IEEE 802.3 10 Base-T  
Keypadbesides the standard keys 0-9,*,, there are another 12 function keys for operation and  
setting of Netphone-KE1000  
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Status indicator—LED to indicate working status and LCD light  
Hand free function—full duplex speakerphone, dial-tone, speaker and loudspeaker volume can be  
digitally adjusted independently  
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AC/DC adapter— input 100~120V (USA, Japan etc.) or 220~240V (China, Europe etc.) or  
100~240V,47-63Hz  
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Log on Soft-switch  
Automatic find Soft-switch  
Support DHCP: Automatically obtain local IP, subnet mask, router IP  
Support PPPoE  
Voice active detection  
Comfortable noise generation  
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16ms echo cancellation  
Dynamic buffer management—minimize effect to voice quality caused by audio delay jitter  
9.2 Standard and Protocol  
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IEEE 802.3 10 Base-T  
G.711A, G.711µ, G.723.1 5.3K/6.3 Kbps and G.729 audio codec  
H.323  
Abbreviation dial plan  
TCP/IP: Internet Transport and Control Protocol  
RTP: Real-time Transport Protocol  
RTCP: Real-time Control Protocol  
G.723.1G.729 VAD/CNG economical bandwidth  
G.165 16ms Echo cancel  
DTMFDTMF Tone Generate and Detection  
DHCP: Dynamic Host Configuration Protocol  
DNS:Domain Name Server  
NTS: Network Time service  
HTTP: Hyper Text Transfer protocol  
FTP File Transfer Protocol  
Build in H323 proxy support  
9.3 Specification  
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180 x 160 x 92 mm (L x W x H)  
9.4 Electric Characteristics  
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Voltage: 12V DC, 500mA  
Power adapter: AD/DC input 100~120V (USA, Japan etc.) or 220~240V (China, Europe etc.) or  
100~240V,47-63Hz  
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Network interface: IEEE 802.3 10 Base-T  
EMC: FCC Part15 CLASS B  
9.5 Operational Environment  
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Operational temperature: 0 to 50° C (32° to 122° F)  
Storage temperature: -30° to 65° C (-22° to 149° F)  
Humidity: 10% to 90% no dew  
9.6 Recommend usage net condition  
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Delay:  
Jitter:  
Less than 400ms  
Less than 100ms  
Package lost percent: Less than 10%  
Bandwidth: More than 30Kbps  
Safety Warning: Please do not place this product under fire and high temperature. Avoid heavy impact, and  
do not leave the product in rainy or highly humid environments!  
10.Installation Options  
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