Karel NT321 Technical Reference And User's Manual

IP SIP TELEPHONE SET

TECHNICAL REFERENCE

AND

USER GUIDE

FEBRUARY - 2012

NT32I Technical Reference and User Guide

II

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

IV

NT32I

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

3

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

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

10

Enter “Settings” menu by using navigation keys.

After entering Settings menu with pressing “Select” key, enter “Telephone

Settings” menu again with “Select” key.

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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Karel NT321 Technical Reference And User's Manual

Karel NT321 Technical Reference And User's Manual

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