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.
CONTENTS Introduction 2 Maintenance.................................................................................... 2 Description 3 General............................................................................................ 4 Bridge connection............................................................................. 6 Battery............................................................................................
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 reduction 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®.
DESCRIPTION Mute (microphone off / speaker off) On / Off (long press) 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.
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.
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 a call. (the actual button on the right) to turn the microphone off during 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.
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 USB.
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 reduction. 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.
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).
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 limitations in mobile telecommunications networks reduce the bandwidth somewhat and the sound is compressed. This has an effect on the sound quality.
USING THE KONFTEL WITH A MOBILE PHONE MAKING CALLS Check that the button. button on the Konftel 55 is lit up blue. If it is not lit up, press the 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).
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.
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 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.
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.
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.
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 Press button is displayed on the Konftel 55. .
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.
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 by pressing and . and move forwards and backwards 10 seconds You can move to any part of the recording you like by pressing on the time line above the buttons.
SETTINGS Press MENU. The menu opens. CHANGING LANGUAGES Press Language in the menu. Select a language from the list and press the back arrow 19 .
SETTINGS ADJUSTING SOUND EFFECTS Press Sound in the menu. Make your settings by pressing the buttons and end with the back arrow . Keypad tone There is a choice of off, discreet and a slightly louder click sound. Recording indicator To let people know that a call is being recorded when you call them, an audible signal is heard at regular intervals. This recording indicator can be turned off.
SETTINGS CHANGING CONNECTION SETTINGS Press Connection in the menu. Make your settings by pressing the buttons and end with the back arrow . Connecting a mobile phone The Konftel 55 can normally detect when a mobile phone is connected via a cable. Some mobile phones do not activate the connection until a call is connected. If the mobile phone that is connected is like this and you want the sound activation button on the Konftel 55 to be visible all the time, you should select I instead of Auto.
SETTINGS The setting is saved in the Konftel 55 and is used each time a phone is connected via the phone adapter. Activate and make a test call with your phone. Open the Connection setting in the menu and adjust the outgoing sound until you find the optimal level. When speaking directly into your phone, use the sound as a reference level. If the other party finds it hard to hear the sound, try increasing the level of the outgoing sound from 0 to +1 or +2.
SETTINGS Headset level Sensitivity (audio volume) can vary from headset to headset. It is therefore possible to adjust the volume so that the sound heard seems to be about the same level as when heard via the speakers. Warning! Use of headphones/earbuds at high volumes can damage your hearing. A higher volume may be harmful to hearing if you have a high-sensitivity headset. Note that for safety reasons, this setting is reset when you remove your headset.
SETTINGS CHANGING SYSTEM SETTINGS Press the System button on the menu. Make your settings by pressing the buttons and end with the back arrow . Here you can: • Change the name of your Konftel 55 • Set the time and date for recordings • Check software versions • Initiate software upgrades • Restore your Konftel 55 to factory settings, thereby deleting all settings and saved values.
UPGRADING SOFTWARE The Konftel 55 is continually being developed with smart features and the software can be upgraded to ensure the unit is always running the latest software version. You can upgrade via a USB or via an SD card. Note that in upgrade mode, the text is always in English whatever language has been selected in the the Konftel 55. The same applies to the software Konftel Upgrade Utility. UPGRADING FROM A PC This method requires a PC with Microsoft® Windows®.
UPGRADING SOFTWARE We recommend that you let Konftel Upgrade Utility automatically download and install the latest version from Konftel’s website. You can also install a Konftel firmware file that has already been downloaded to the PC’s hard drive. UPGRADING VIA AN SD CARD This method requires a PC with an SD card reader. Downloading upgrade files Visit www.konftel.com/upgrades and select Konftel 55. Download the latest software version for the Konftel 55/55W. Copy the file (with .
TECHNICAL DATA Size Width 222 mm, depth 206 mm, height 68 mm. Weight 640 g. Colour Liquorice black and silver. Display Colour LCD, 240x320 pixels. Buttons Touch screen plus on/off and microphone switch-off. Memory SD (SDHC) memory card support. Upgrading Konftel upgrade utility (for Microsoft® Windows®) upgrades Konftel 55 software via the USB connection. It is also possible to upgrade via an SD card. Power supply AC adapter Phihong PSC12R, 100–240 V AC/12 V DC. Connectivity USB USB 2.
Konftel is a leading company and the world’s fastest growing brand, within audio conferencing equipment. Since 1988, our mission has been to help people around the world to conduct meetings despite distances. Based on our success, we know that audio conferencing is a great way to save time, money and at the same time contribute to a better environment. High audio quality is essential for efficient meetings, this is why our patented audio technology OmniSound®, is built into all Konftel Conference phones.
