NT32I Technical Reference and User Guide
III
Version Table
Guide Date/Version
AAA/02.02.2010
AAB/07.02.2012
NT32I Tech. Ref. and User Guide – Ver. AAB – 07.02.2012
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.
NT32I Technical Reference and User Guide
V
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.
NT32I Technical Reference and User Guide
VI
PREFACE
Chapters in this guide have been prepared in order to give basic information about
the NT32I 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 NT32I 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
NT32I Technical Reference and User Guide
VII
CONTENTS
TECHNICAL INTRODUCTION ............................................................. 1
Basic Specifications of NT32I ............................................................ 1
Specifications of NT32I ...................................................................... 2
INTRODUCTION ................................................................................... 4
Parts List on Delivery ......................................................................... 4
GENERAL APPEARANCE ................................................................... 5
NAVIGATION KEYS AND SPECIAL FUNCTION KEYS ..................... 6
PHYSICAL CONNECTIONS ................................................................. 8
NT32I NETWORK SETTINGS .............................................................. 9
NT32I WEB SETTINGS ...................................................................... 15
System Information .......................................................................... 16
Network Settings .............................................................................. 16
SIP Settings ..................................................................................... 17
TROUBLESHOOTING ........................................................................ 20
NT32I Technical Reference and User Guide
1
TECHNICAL INTRODUCTION
Basic Specifications of NT32I
VoIP Protocols • SIP v2.0 (RFC3261)
Call Features • Call Back – Calling the caller of last incoming call
• Call Blocking – Blocking all incoming calls
• Call Holding – Holding the existing conversation (10
incoming calls can be put on hold simultaneously.)
• Call Transfer – (Selective Transfer/Direct Transfer)
• Call Forwarding – Forwarding incoming calls
• Automatic Answering
• Emergency Calls
• 3-Party Conference
Display Panel • Graphic LCD screen
• Caller ID
• Display of simultaneous incoming calls
• Date and Time Displayer
• Light and Contrast Adjustment
Easy to Use • Programming via WEB
• Installing software, configuration and phonebook over
Web/TFTP
• Recall user settings when machine is restarted
• Backup and re-installing phonebook, configuration and
key programming files. Installing prepared phonebook.
Keys • 6 shortcut keys
• 4 display keys
• 4 navigation keys
• Volume control keys
• Numeric keys
• Special Function Keys
- Contacts
- Call Log
- Menu
- Message
- Redial
- Conference
- Park
- Transfer
Language • Turkish / English
Dimensions • Dimensions: 228 x 217 x 147 mm
• Weight: 960 gr.
Temperature • 5-40°C
Humidity • 0-%80
NT32I Technical Reference and User Guide
2
Specifications of NT32I
Codecs
•
G.711A
• G.711U
• G.723
• G.726 16 Kbps
• G.726 24 Kbps
• G.726 32 Kbps
• G.726 40 Kbps
• G.729
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 Activation Detection
• AGC – Automatic Gain Control
• AEC– Acoustic ECHO Cutter
• Jitter Buffer
Tones
•
Ring tones – 5 different ringtones
• 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 3 different
registration servers. (Sequentially registration or
registration to selected registration server)
• 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 8 different periodical
alarm, alarm message or name definitions.
NT32I Technical Reference and User Guide
4
INTRODUCTION
NT32I is IP based telephone which is perfectly compatible with KAREL’s new
generation IP PBX systems with its superior and advanced properties. NT32I
provides cheaper voice communication with high quality over existing IP lines.
Internet output can be transmitted to computers with second ethernet port of
NT32I which supports NAT.
Parts List on Delivery
- NT32I Telephone
- Telephone Handset
- Spiral cable of the handset,
- Ethernet Cable
- AC Power Adaptor
- Product Quality and Warranty Cards
- Technical Reference and User Guide CD
NT32I Telephone Handset
Ethernet Cable AC Power Adaptor Guide CD
NT32I Technical Reference and User Guide
5
GENERAL APPEARANCE
1 HF Speaker 5 Screen Adjustment Plug ** 9 Navigation Keys
2 Incoming Call LED* 6 Shortcut Keys 10 Special Function Keys
3 Handset 7 Display Keys 11 Numerical Key Pad
4 Screen 8 Special Function Keys 12 Voice Control Keys
* Incoming Call LED is also used for warning for messages.
** Height of the screen must be adjusted with using this plug.
NT32I Technical Reference and User Guide
6
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 un-listened 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.
NT32I Technical Reference and User Guide
7
Shortcut Keys
These Shortcut Keys can be assigned to any function which may be a speed
dial to a number from phonebook, call park, auto-answer, do not disturb, call
forward or any page at the menu.
Voice Control Keys / Headset Key
According to Headset controls under General Setting menu, the operations of
these buttons are changed. If Headset control is activated, this button is used
for activating the headset. When an incoming call is answered with using this
key, the conversation will be made by using headset and when conversation
ends, headset will be inactive.
However if the headphone control is inactive, this key will be used for starting a
new call. During a conversation or stand-by mode or calling mode, this key is
used for starting a new call.
NT32I Technical Reference and User Guide
8
PHYSICAL CONNECTIONS
Connectors, which are connection places of LAN, AC Power Adaptor, Headset,
Headset cables, are placed at the back of NT32I. 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.
NT32I, which is connected to LAN, will not work because NT32I 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.
NT32I Technical Reference and User Guide
9
NT32I NETWORK SETTINGS
After making required installations, when telephone is powered on, this screen
will be seen:
With using display keys, user can enter menu, other sub menus. After entering
Menu, following 8 main menus will be seen:
- Phonebook
- Call Records
- Messages
- System Settings
- Settings
- PBX Settings
- Alarm
- SIP Settings
An IP address should be assigned to NT32I because of not having an IP
address by default. This operation will be made from
Menu>Settings>Telephone Settings>Network Settings menu.
NT32I Technical Reference and User Guide
11
Menus, which will help user to assign IP address to NT32I, are at “Network
Settings” under “Telephone Settings” menu.
After entering “Network Settings” menu, an IP address should be assigned to
NT32I with using existing LAN information. While assigning an IP address to
NT32I, please contact to IT service of your company to avoid IP overlaps.
NT32I Technical Reference and User Guide
12
To activate NT32I telephone set, 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.
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