Karel NT62I Use and care manual

IP SIP
TELEPHONE SET
TECHNICAL REFERENCE
AND
USER GUIDE
DECEMBER - 2011

NT62I Technical Reference and User Guide
II

NT62I Technical Reference and User Guide
III
Version Table
Guide Date/Version
AAA/21.12.2011
NT62I Tech. Ref. and User Guide – Ver. AAA – 21.12.2011
KAREL reserves the right to make modifications in product features mentioned in
this document for development and improvement purposes, without prior notice.
Individual products may possess characteristics different from those that have
been mentioned in this document, due to their differences in software and
hardware versions.

NT62I Technical Reference and User Guide
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NT62I

NT62I Technical Reference and User Guide
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ISSUES TO PAY ATTENTION TO
♦Read this guide carefully before you use your device and keep it for later
reference.
♦Any mistake with the connections in your device may damage it or your
exchange. Especially the connection to the exchange must be made by
the Authorized Technical Services. The explanations about connections in
the User’s Guide have been intended to give information only.
♦A connection box comes with your device. The connections must be made
as described in the installation chapter.
♦In case you need a connection of plug-outlet type, never apply electric
plugs and outlets; use plugs, outlets and connection components that are
specific to telephones.
♦Do not make any connection other than the extension connection of the
KAREL telephone system.
♦There is no part that you can repair or maintain in your device; therefore
call the authorized technical service in case of any malfunction.
♦Keep your device away from direct sunlight.
♦Do not let any liquid substance spill on your device.
♦Do the exterior cleaning of your device with a slightly moistened piece of
cloth.
♦Do not apply any chemicals for cleaning.
♦Please call your authorized dealer in case you would like to change the
place of your device. Use its own packing to carry the device.
♦Please do not use exterior signal for the test operations or maintenance.
Any signal which is used externally may damage your device.

NT62I Technical Reference and User Guide
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PREFACE
Chapters in this guide have been prepared in order to give basic information about
the NT62I IP Phones.
- The basic information about features of the phone has been given and the
hardware of the device is described.
- The keys required for basic use of the phone's are mentioned.
- The hardware requirements of the phone are mentioned and the
connection details are given.
- Required and alternative settings on the NT62I Phone Set are described
for users.
- In case there is a problem, the information about points that must be
considered is given.
Best Regards,
KAREL

NT62I Technical Reference and User Guide
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CONTENTS
TECHNICAL INTRODUCTION ............................................................. 1
BASIC SPECIFICATIONS OF NT62I ................................................ 1
SPECIFICATIONS OF NT62I ............................................................ 2
INTRODUCTION................................................................................... 4
PARTS LIST ON DELIVERY ............................................................. 4
GENERAL APPEARANCE................................................................... 5
NAVIGATION KEYS AND SPECIAL FUNCTION KEYS..................... 6
PHYSICAL CONNECTIONS................................................................. 7
NT62I NETWORK SETTINGS.............................................................. 8
NT62I WEB SETTINGS ...................................................................... 12
SYSTEM INFORMATION ................................................................ 13
NETWORK SETTINGS.................................................................... 13
SIP SETTINGS ................................................................................ 14
SPC SETTINGS............................................................................... 16

NT62I Technical Reference and User Guide
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TECHNICAL INTRODUCTION
BASIC SPECIFICATIONS OF NT62I
VoIP Protocols •SIP v2.0 (RFC3261)
Call Features •Call Back – Calling the caller of last incoming call
•Call Holding – Holding the existing conversation
•Call Transfer
•Call Forwarding – Forwarding incoming calls
•Automatic Answering
•3-Party Conference
•Analog Line
Display Panel •Touch-Sensitive Color Screen
•Camera with moving head
•Display of simultaneous incoming calls
•Date and Time Displayer
•Light and Contrast Adjustment
•Analog Video Input/Output (Optional)
Easy to Use •Programming via WEB
•Installing software, configuration and phonebook over
Web
Keys
•4 navigation keys
•Volume control keys
•Numeric keys
•Special Function Keys
- Contacts
- Call Log
- Menu
- Message
- Redial
- Conference
- Park
- Transfer
- Function
Language •Turkish / English
Dimensions •Dimensions: 228 x 217 x 147 mm
•Weight: 960 gr.
Temperature •5-40°C
Humidity •0-%80

NT62I Technical Reference and User Guide
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SPECIFICATIONS OF NT62I
Codecs
•
G.711A
•G.711U
•G.723
•G.726 16 Kbps
•Speex 8 Kbps
•Speex 16 Kbps
•G.726 24 Kbps
•G.726 32 Kbps
•G.726 40 Kbps
•G.729
•G722
•ILBC
G.723 Ratio
•
5.3 Kbps
•6.3 Kbps
LAN Protocols
•
SIP v2.0
•IP/TCP/UDP/RTP/RTCP/ICMP/ARP/RARP/SNTP
•TFTP Server
•DHCP/DNS/SNTP Client
•HTTP Server
•Static/DHCP IP Assignment
•NAT transversal
- STUN - NAT
DTMF
•
In-Band
•Out-of-Band DTMF (RFC2833)
•SIP Info
Voice Quality
•
VAD - Voice Activity Detection
•AGC- Automatic Gain Control
•AEC - Acoustic Echo Cancellation
•CNG - Comfort Noise Generation
•Jitter Buffer
Tones
•
Ring tones
•Changeable and installable ringtones
•Warning tone on busy
Power •5 VDC adaptor
Phone Functions
•
Message and Call displayer
•Remote SIP registration – Ability to register to 10
different registration servers.
•Recorded user settings
•Call Records (128 records are kept for each of Missed,
incoming and outgoing. Last 32 call records are kept for
every extension.)
•Full duplex speaker
•2 internal 10/100 Ethernet switch ports
•Speed Dial / 6 + 24 (with DSS module)
•Phonebook – 128 numbers
•Hour/Day/Week/Month/Year basis alarm message or
name definitions.

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FXO (Foreign
Exchange Office)
•80 dB dynamic range TX/RX
•Line voltage monitor
•Loop current monitor
•Programmable line interface
Bluetooth •Fully Qualified Bluetooth system v2.0 + EDR, CE and
FCC
•Integrated chip antenna
•Enhanced Data Rate (EDR) compliant with v2.0.E.2 of
specification for both 2Mbps and 3Mbps modulation
modes
•Full Speed Bluetooth Operation with Full Piconet

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INTRODUCTION
NT62I is IP based telephone which is perfectly compatible with KAREL’s new
generation IP PBX systems with its superior and advanced properties. NT62I
provides cheaper voice communication with high quality over existing IP lines.
Also NT62I can be connected to analog lines, so it can be used as both analog
and IP telephone.
IP VIDEO NT62I, as well as the ease of use with touch-sensitive color screen is
also useful in terms of visuals.
Internet output can be transmitted to computers with second ethernet port of
NT62I which supports NAT.
PARTS LIST ON DELIVERY
- NT62I Telephone
- Telephone Handset
- Spiral cable of the handset,
- Ethernet Cable
- AC Power Adaptor
- Product Quality and Warranty Cards
- Technical Reference and User Guide CD
NT62I Telephone Handset
Ethernet Cable AC Power Adaptor Guide CD

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GENERAL APPEARANCE
1 HF Speaker 5 Screen Adjustment Plug ** 9 Numeric Key Pad
2 Incoming Call LED* 6 Special Function Keys 10 Voice Control Keys
3 Handset 7 Navigation Keys 11 Camera
4 Toch-colored Screen 8 Special Function Keys
* Incoming Call LED is also used for warning for messages.
** Height of the screen must be adjusted with using this plug.

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NAVIGATION KEYS AND SPECIAL
FUNCTION KEYS
“OK ” key : This key is for user to confirm the setting or activate the function
that is displayed on the screen.
“Navigation , , , ” keys: These keys help user to move at all menus and
choose the option which user wants.
“Contacts” key: It activates phonebook. It helps user to enter a new number,
delete existing number or reach existing numbers.
“Call Log” key: It activates Call Records Menu. It helps user to reach all call
history.
“Menu” key: It helps user to enter or exit the menu that user can adjust all
telephone settings.
“Function” key: It is allocated for future needs. Any function can be assigned
to this key as other programmable keys.
“Message ” key: This key is used for reaching messages. User can
understand whether s/he has got an unlistened message or not.
“Redial” key: Dials again the last called number.
“Conference” key: This key is used for starting a conference while making an
external or internal call.
“Park” key: This key is used for parking the existing call.
“Transfer” key: This key is used for non-announced (without warning other
extension who is going to take the call) or transfer an existing call to an
extension with announcement.
Voice Control Keys / Headset Key
This button is used for activating/deactivating the headset. When pressed it will
switch audio between handset/handsfree and headset.

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PHYSICAL CONNECTIONS
Connectors, which are connection places of LAN, AC Power Adaptor, Headset,
Headset cables, are placed at the back of NT62I. For fast installation, firstly
headset connection has to be made. Then with making AC Power Adaptor
connection, telephone will be started. Finally LAN connection will be made with
an ethernet cable.
NT62I, which is connected to LAN, will not work because NT62I has not got an
IP address by default. All information about adjusting IP settings or registering
an IP system is explained in the related chapters of this guide. Please make
programming after checking to those chapters.

NT62I Technical Reference and User Guide
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NT62I NETWORK SETTINGS
After installation is done and phone is powered on, following screen will be
appear.
Network settings should be done. An IP address should be assigned to NT62I
because the default IP address may not be suitable for network used. This
operation will be made by touching the following menu items via touch-sensitive
screen:
Menu > Settings > Telephone Settings > Network Settings.
Pressing “Menu” item in the screen above will display the following “Main Menu”
screen.

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Then ”Settings” item should be clicked to enter “Settings” menu.
Then “Phone Settings” menu item in the above screen should be clicked to
enter “Phone Settings” menu.

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After entering “Network Settings” menu under “Phone Settings” menu, an IP
address should be assigned to NT62I with using existing LAN information.
While assigning an IP address to NT62I, please contact to IT service of your
company to avoid IP overlaps.

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To activate NT62I telephone set's network interface, firstly;
- IP Type
- IP Address
- Netmask
- Gateway definitions must be done.
There are two options for IP type:
Static IP: User can adjust IP address and Subnet Mask manually.
DHCP: DHCP server makes all necessary network adjustments automatically.
After selecting IP type as Static, then make the adjustments listed below:
- IP Address
- Netmask
- Gateway
Please ask your company’s authorized person about IP settings that are
made.
After entering IP address, Netmask and Gateway addresses, press “Accept“ to
save these addresses.
Other adjustments can be made easily by using special web interface for NT62I.
Adjusting other settings with using web interface will be told at the rest of user
guide.

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NT62I WEB SETTINGS
Enter IP address of NT62I to one of your computer’s web browser. Be sure that
your computer is connected to LAN. Press “Enter”.
Enter default password to the box which is shown above, and then press “OK”.
(Default entry password can be changed from System Settings > Http
Password.