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The Konftel 55 User Guide
ENGLISH
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® 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
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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 deskto
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INTRODUCTION 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
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DESCRIPTION On / Off (long press) Mute (microphone off / speaker off) Touch screen 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 Battery cover Connections: Desk phone adapter Power supply Mobile phone Headset (3.5 mm) Computer (mini USB) SD memory card port 3
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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
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DESCRIPTION On / Off (long press) Mute (microphone off / speaker off) LEDs 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 aft
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DESCRIPTION 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 US
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USING THE KONFTEL WITH A DESKTOP PHONE ® 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 effe
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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 t
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USING THE KONFTEL WITH A MOBILE PHONE ® The Konftel 55 transforms your mobile phone to a conference phone with OmniSound HD, ensuring high sound level, full duplex (two-way audio) and efficient echo cancellation and static reduction. ® OmniSound HD performs over the full audio bandwidth (100–24000 Hz), but limita- tions in mobile telecommunications networks reduce the bandwidth somewhat and the sound is compressed. This has an effect on the sound quality. Calls via updated 3G networks ar
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USING THE KONFTEL WITH A MOBILE PHONE MAKING CALLS Check that the button on the Konftel 55 is lit up blue. If it is not lit up, press the button. Dial the number on the mobile phone. If you have a call in progress on your mobile and want to transfer it to the Konftel 55, simply connect the cable. 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 of
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USING THE KONFTEL WITH A COMPUTER The Konftel 55 transforms your computer to teleconferencing equipment with ® OmniSound HD. Unlike normal computer speakers and microphones, the Konftel 55 provides full duplex (two-way audio) and efficient echo cancellation and static reduction. The computer identifies the Konftel 55 as an echo cancellation device which means that communication software usually leaves the audio processing to the Konftel 55, resulting ® in better sound quality. This can also
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USING THE KONFTEL WITH A COMPUTER USING THE KONFTEL WITH A COMPUTER Using as a computer speaker USB is immediately activated on connection ( lights up). The computer normally only activates the speaker in the Konftel 55 if there is no other program running that can use the microphone. This means that the Konftel 55 acts as a ® computer speaker and that the audio processing in OmniSound HD is turned off so that the sound is not altered. Using the Konftel as a conference unit When communicati
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USING MULTIPLE CONNECTIONS It is possible to have a desktop phone and a mobile phone connected at the same time. Buttons for both the phones are displayed on the Konftel 55. Calls can be made or answered from either phone. However, it is not possible to bridge calls. You must choose which of the connections you wish to speak to. The other connection is parked. You can switch between the connections by pressing the relevant button. The button for the connection on hold flashes slowly. 13
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BRIDGE CONNECTION When bridging a computer and a phone, all you need to do is activate both sources of ® sound. OmniSound HD can handle full duplex, echo cancellation and static reduction for both the sound sources simultaneously. Press and (depending on which phone is connected) press or . Both buttons are lit up and the sound from the computer and phone is audible from the Konftel 55. The volume control gets two level indicators. ADJUSTING THE VOLUME The general sound level for the
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BRIDGE CONNECTION Adjusting the sound individually for each sound source. Return to just one volume control by pressing the button on the top of the upper volume control. The Konftel 55 saves the set level when a sound source is turned off. The next time the same sound source is activated, it is started at the most recently used volume. 15
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USING A HEADSET The Konftel 55 has a headset port (3.5 mm plug). See the heading Headset under settings (page 22) if your headset does not work with the Konftel 55. There is also a headset sound level setting, which allows the level of sound to be adjusted so that it seems as powerful as from the speakers. Warning! Use of headphones/earbuds at high volumes can damage your hearing. Connect your headset to the Konftel 55. The button is displayed on the Konftel 55. Press . Connect y
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RECORDER CAPABILITY The Konftel 55 can be used to record your meetings and for dictations. The recordings are saved on a memory card. Folders are automatically created on the card with the date of the recordings. These are saved in WAV format with the time when the recording started. The Konftel 55 supports SD and SDHC cards. Recording capacity is 35 hours per GB on the memory card. RECORDING Always make sure that the conference call participants do not object to a meeting being recorded
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RECORDER CAPABILITY LISTENING TO A RECORDING You can transfer the card to a computer to play back and edit the recording, or you can play it back on the Konftel 55. Press MENU and select Recordings. A list of the recordings on the SD card is displayed. Press the recording you want to listen to. You can pause the playback by pressing and move forwards and backwards 10 seconds by pressing and . You can move to any part of the recording you like by pressing on the time line above
