Konftel Konftel 55 Manuel utilisateur

The Konftel 55 User Guide

ENGLISH

OmniSound®HD – superior sound quality

The patented OmniSound®audio technology guarantees an impressive and crystal-clear

full-duplex audio, allowing you to speak in two directions for effective participation in

virtual meetings. The sound is transmitted clearly and powerfully to all attendees thanks

to a hypersensitive microphone with 360° audio pick-up and speakers.

OmniSound®HD delivers HD audio during VoIP calls. It also incorporates automatic echo

cancellation and noise suppression, which minimises background noise interference, and

an equaliser for personal adaptation of the audio properties. This means you can move

about freely in the room, talking, discussing and debating with others without any loss of

audio quality and without any annoying sound clipping, damping or echoes. It's as close to

real sound as you can get.

Konftel AB hereby declares that this conference phone is in conformity with all the essen-

tial requirements and other relevant provisions of Directive 1999/5/EC.

Please visit www.konftel.com/doc to read the declaration in its entirety.

Warning!

Do not expose the Konftel 55 to water or moisture.

Warning!

Do not open the casing of the Konftel 55.

Warning!

Only use the power adapter provided to connect the unit to the mains.

CONTENTS

Introduction 2

Maintenance ................................................................................... 2

Description 3

General........................................................................................... 4

Bridge connection............................................................................ 6

Battery ........................................................................................... 6

Using the Konftel with a desktop phone 7

Connecting to a desktop phone ......................................................... 7

Making calls.................................................................................... 8

Using the Konftel with a mobile phone 9

Cable connection to a mobile phone .................................................. 9

Making calls.................................................................................. 10

Using the Konftel with a computer 11

Connection to a computer............................................................... 11

Using the Konftel with a computer .................................................. 12

Using multiple connections 13

Bridge connection 14

Adjusting the volume...................................................................... 14

Using a headset 16

Recorder capability 17

Recording ..................................................................................... 17

Listening to a recording.................................................................. 18

Settings 19

Changing languages ....................................................................... 19

Adjusting sound effects.................................................................. 20

Changing connection settings ......................................................... 21

Changing system settings ............................................................... 24

Upgrading software 25

Upgrading from a PC...................................................................... 25

Upgrading via an SD card ............................................................... 26

Technical data 27

The Konftel 55 is a conference unit that can be connected to your desktop phone, your

mobile phone and your computer to obtain crystal-clear, powerful OmniSound®HD audio

in your virtual meetings.

• OmniSound®HD audio technology with full duplex, echo cancellation and static reduc-

tion in full bandwidth (20–24000Hz). (The telecommunications network technology

limits the bandwidth when communicating via the telecommunications network.)

• Support for UC solutions, such as Microsoft®Lync®.

• LCD high-resolution display with touch buttons, where the interface changes according

to the connections you make.

• Mobile phone connection via a mobile cable (accessory).

• Connection to a desktop phone via a Konftel desk phone adapter (accessory) which

makes it easy to move the sound between the handset and conference phone.

• USB connection to a computer or another USB device that supports handsfree

connection.

• Automatic detection of USB playback/VoIP calls, which means that the OmniSound®

HD audio processing feature only processes the sound when necessary. The sound is

not altered when music is played.

• Audio bridge capability between a computer and connected phone.

• Call recorder capability allows you to listen to meetings afterwards or use the Konftel

55 as a dictaphone.

• Battery-powered option. The battery can be charged via the mains supply (power

adapter provided) and USB.

• Headset connectivity option allows easy switching between headset and speaker func-

tion.

• Upgradeable.

• Two-year warranty.

MAINTENANCE

Clean the equipment with a soft, dry cloth. Never use liquids.

INTRODUCTION

DESCRIPTION

SD memory card port

Computer (mini USB)

Desk phone adapter

Headset (3.5 mm)

Power supply

Mobile phone

Connections:

LEDs

Steady blue light Sound channel on/call in progress

Steady red light Mute, microphone turned off

Flashing red Hold, microphone and speaker turned off

Touch screen

Battery cover

On / Off (long press) Mute (microphone off / speaker off)

DESCRIPTION

GENERAL

The Konftel 55 automatically detects the connections you make. Despite the unit's

multiple connectivity options, it is simple to use and understand because it only displays

the buttons that can be used in that particular situation.

The ﬁrst time the Konftel 55 is started up, the display only shows a menu button. If you

connect to a computer via USB, a button for this is displayed so that you can easily turn

the sound on and off. Similarly, a desktop button is displayed if you connect a desktop

phone, a headset button if you connect a headset and a record button if you insert an SD

memory card.

A lit button indicates that the feature is active. When you press the button, it switches

between on and off.

Support for UC solutions

The Konftel 55 has expanded support for UC solutions, such

as Microsoft®Lync®. Visit www.konftel.com for more informa-

tion.

LEDs

When a mobile or desktop phone button is activated, the blue

LEDs light up too, indicating that an audio channel is open.

This does not necessarily mean that a call is in progress since

the call is controlled from the connected device (the mobile or

desktop phone).

You can move the sound between the Konftel 55 and the

phone during a call by pressing the button ( or ) on the

Konftel 55.

DESCRIPTION

With a computer connection, the LEDs ﬁrst light up when a communication program that

uses the microphone starts.

Mute button

Press the button (the actual button on the right) to turn the microphone off during

a call.

The LEDs show a steady red light and two buttons are displayed.

Press the button if you also want to turn the speaker off.

The LEDs ﬂash red.

Note that the buttons on the screen disappear after 5 seconds or if you touch the

screen outside the buttons.

Press once again (the actual button on the right or the button on the screen) to turn

the microphone (and speaker) on.

The LEDs show a steady blue light.

Power save mode

The Konftel 55 has several power save mode levels. After ﬁve minutes, the background

lighting fades and after 15 minutes the image on the screen is replaced by a clock. Less

time if running on battery power.

Switching off

Hold down the button (the actual button on the left) for three seconds.

Conﬁrm that you want to switch off the Konftel 55 by pressing .

LEDs

On / Off (long press) Mute (microphone off / speaker off)

BRIDGE CONNECTION

It is possible to establish an audio conference bridge between a connected phone and the

computer. This means that you can make a call with your connected mobile or desktop

phone and combine it with, for example, a Skype®call on the computer.

Audio bridge combinations other than a phone and computer are not possible.

Find out more about audio bridging on page 14.

BATTERY

The battery is charged in the Konftel 55, either via the power adapter provided or via

USB. It takes about 4 hours to fully charge an empty battery using the power adapter and

about 5 hours via USB.

The Konftel 55 has to be connected to a USB port that produces power (e.g. on a

computer) in order to charge the battery. Note that it takes much longer to charge via

USB if the Konftel 55 is turned off.

Inserting a battery

Push the battery cover forwards to remove it.

Insert the battery in the Konftel 55 with its contacts towards the pins in the bottom of

the battery compartment.

Slide the battery cover back into place.

DESCRIPTION

The Konftel 55 transforms your desktop phone to a conference phone with OmniSound®

HD. Unlike the integrated speaker function of many desktop phones, you enjoy a high

sound level, full duplex (two-way audio) and efﬁcient echo cancellation and static reduc-

tion.

OmniSound®HD performs over the full audio bandwidth (100–24000 Hz) but the

technologies in today's telecommunications networks do not allow the full bandwidth

to be used. This has an effect on the sound quality.

The Konftel 55 is connected using a desk phone adapter (accessory) which is installed

between the phone and handset. The adapter allows you to transfer calls between the

Konftel 55 and the handset by pressing a button.

The Konftel 55 can be connected to all digital phones (corporate networks) and, in many

cases, to analogue phones too (traditional telephone sockets in the home).

Note that some desktop phones can also be connected via their headset jack. See

"Using the Konftel with a mobile phone" on page 9.

CONNECTING TO A DESKTOP PHONE

Unplug the telephone handset cable from the phone and connect it to the desk phone

adapter.

Connect the desk phone adapter to the phone and the Konftel 55 as illustrated below.

The button is displayed on the Konftel 55.

Make a test call to check that the receiving party has a good sound level (see page 21).

The sound level produced by phones varies between the different makes. The Konftel

55's microphone level may therefore need adjusting to ensure good sound quality for

the other call participants. The setting is saved in the Konftel 55 and is used each

time a phone is connected via the adapter.

USING THE KONFTEL WITH A DESKTOP PHONE

MAKING CALLS

You can make a call with the phone as usual and then transfer the call to the Konftel 55,

or transfer the sound before the call is connected.

Press the button on the Konftel 55 to transfer the sound from the phone to the

Konftel 55.

The button and the LEDs light up.

Lift the handset and dial the number on the desktop phone.

Adjusting the volume

The volume can be adjusted when the phone is active ( is lit up). As is the practice

in the context of telephone communications, it is not possible to turn the sound off

completely using the volume control.

Transferring and ending calls

Press to transfer the sound between the Konftel 55 and the phone's handset.

End the call by placing the handset back on the desktop phone.

The button on the Konftel 55 can remain lit if you want to use the Konftel 55 for

future calls too.

USING THE KONFTEL WITH A DESKTOP PHONE

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