Yealink VC120 User Manual
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Yealink VC120 User Manual

Video conferencing terminal
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  • Page 2 Copyright © 2015 YEALINK NETWORK TECHNOLOGY CO., LTD. Copyright © 2015 Yealink Network Technology CO., LTD. All rights reserved. No parts of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, photocopying, recording, or otherwise, for any purpose, without the express written permission of Yealink Network Technology CO., LTD.
  • Page 3 WEEE must not be regarded as unsorted municipal waste and must be collected and disposed of separately by a competent authority. We are striving to improve our documentation quality and we appreciate your feedback. Email your opinions and comments to DocsFeedback@yealink.com.
  • Page 4 Yealink VC120 video conferencing terminal firmware contains third-party software under the GNU General Public License (GPL). Yealink uses software under the specific terms of the GPL. Please refer to the GPL for the exact terms and conditions of the license.

  • Page 5: About This Guide

    First, verify with your system administrator that the IP network is ready for terminal configuration. Also be sure to read the Overview and Getting Started sections in this guide before you set up and use the VC120 video conferencing terminal. Topics provided in this guide include:...
  • Page 6 User Guide for the VC120 Video Conferencing Terminal...

  • Page 7: Table Of Contents

    Web User Interface ..................... 14 Documents........................16 Getting Started ............... 17 Terminal Installation ....................... 17 Installing the VC120 Video Conferencing Terminal ........... 18 Installing the Camera ....................19 Installing Batteries for the Remote Control ..............21 Connecting the CPE80 Expansion Microphone ............21 Powering the Terminal On or Off ...................
  • Page 8 User Guide for the VC120 Video Conferencing Terminal Call Type ......................... 56 Bandwidth Settings ......................57 Audio Setting ........................58 Audio Output Device ....................58 Audio Input Device ..................... 59 Far-end Camera Control ....................60 Using the VC120 Video Conferencing Terminal ..... 63 Placing Calls ........................

  • Page 9: Overview

    Overview This chapter provides an overview of the VC120 video conferencing terminal. Topics include: Packaging Contents  Terminal Component Instructions  Icon Instructions  LED Instructions  User Interfaces  Documents  If you require additional information or assistance with your new terminal, contact your system administrator.

  • Page 10: Vcp40 Video Conferencing Phone

    User Guide for the VC120 Video Conferencing Terminal Camera Mounting Accessories  VCP40 Video Conferencing Phone  VCR10 Remote Control  2 AAA Batteries  Power Adapter ...
  • Page 11 Overview Cables  7 Cable Ties  Quick Start Guide  Check the list before installation. If you find that anything is missing, contact your system administrator. The following item is optional. You should purchase it separately if necessary. The CPE80 expansion microphone is used for expanding the audio pickup range. CPE80 Expansion Microphone ...
  • Page 12 It supports 16:9 and 4:3 aspect ratios. It can be compatible with different audio output devices, and can adapt to the display devices automatically. You do not need to change the VC120 codec once it has been installed properly in your environment. VC120 codec front panel...
  • Page 13 Resets the system to factory defaults Reset Key ⑬ Allows you to connect a universal security cable to VC120 codec, so you can lock it down. The system ⑭ Security Slot cannot be removed when locked. The VCC18 HD camera supports 18x optical zoom, white balance and automatic gain.
  • Page 14 (± 100 degrees range), tilted (± 30 degrees range). Infrared Sensor The infrared sensor is located within the Yealink logo. Aim the remote control at the camera IR sensor to operate the unit. The VCP40 video conferencing phone supports 360-degree audio pickup to achieve...
  • Page 15 Overview Connect the VCP40 phone to the VC120 codec. It can work as an audio device for the terminal. You can also place calls, answer calls or view directory and history on the VCP40 phone.
  • Page 16 User Guide for the VC120 Video Conferencing Terminal Terminal component instructions of the VCP40 phone are: Item Description Shows information about calls, messages, soft keys, time, date and other relevant data: • Call information—call duration LCD Screen ① • Icons (for example, •...
  • Page 17 Overview The VCR10 remote control provides 3 shortcut keys. It can help users to organize conference easily with intuitive and efficient operation in all screens. Hardware components of the remote control: Item Description ① Sleep Key Puts the terminal to sleep or wakes the terminal up. Located at the bottom left of the screen.
  • Page 18 User Guide for the VC120 Video Conferencing Terminal Item Description Located at the bottom right of the screen. Label identifies context-sensitive features. ④ Blue Shortcut Key In the idle screen, this is used to save and check the camera preset position, and corresponds to the Preset soft key.
  • Page 19 Overview Item Description Captures the on-screen image of the display device  when the phone is idle. Icons appearing on the display device are described in the following table: Icon Description Network is disconnected (flashing) Network is available Packet loss VCP40 video conferencing phone is not (flashing) connected...
  • Page 20 User Guide for the VC120 Video Conferencing Terminal Icon Description Call mute Call encryption The content of the local camera Focus content Camera position Record a video Dialed calls Received calls Missed calls Dual screen mode Dual video sources (when a PC is...
  • Page 21 Solid red The VC120 codec is in sleep mode. Terminal exception (e.g., network unavailable, update Solid orange failure). The VC120 codec is powered off, or is not connect to the power adapter. Indicator LED on the camera: LED Status Description...

  • Page 22: User Interfaces

    Detailed operational steps will be explained in the feature section. You can use the remote control and display device to configure and use the VC120 video conferencing terminal.
  • Page 23 Overview To obtain the IP address, do one of the following: The IP address of the terminal is shown on the top right corner of the display  device. Press (Menu soft key) on your remote control and select Status ->Network. ...

  • Page 24: Documents

    User Guide for the VC120 Video Conferencing Terminal The following table shows documents available for the VC120 video conferencing terminal. Name Contents Where found Language In the package Yealink VC Series System installation Video Conferencing and network English/Chinese System Quick Start...

  • Page 25: Terminal Installation

    Ensure that the purchased display device supports HDMI input. When connecting only one display device to the VC120 codec, Display1 port is the only available port. If dual screen mode is required, you can connect another display device to the Display2 port.
  • Page 26 Connect the power line for the display device. (Optional.) Connect the VGA cable to the PC port on the VC120 codec and a PC. Connect the power adapter to the DC19V port on the VC120 codec and power outlet.
  • Page 27 Getting Started You can choose to mount the camera on your TV or a wall, depending on your actual needs. Mounting the camera on a TV When your TV is less than 120 mm thick, you can mount the camera on your TV. Do the following: Lock the camera to the L-bracket.
  • Page 28 User Guide for the VC120 Video Conferencing Terminal above. Lock the L-bracket with the M3× 8 screws. Move the setscrews on the L-bracket to the left holes. Lock the L-bracket to the wall with T4× 30 screws. Connect one end of the DVI cable to the camera and put the other end of the cable through the L-bracket.
  • Page 29 Getting Started Do the following: Open the battery cover on the back of the remote control. Insert the batteries with the correct polarity. Replace the battery cover. Dispose of waste batteries properly. Note Remove the batteries if they are not in use for a long period of time. If your video conferencing room is large, you can add an extra CPE80 expansion microphone to the MIC port on the VCP40 phone to expand the audio range of the conference phone.
  • Page 30 Caution! To avoid corrupting the terminal, you should always power off the terminal using the power button on the VC120 codec. After turning the power off in this way, wait at least 15 seconds before you unplug the terminal from its power source. This helps to ensure that the terminal powers off correctly.
  • Page 31 Getting Started The default language is English. Press (Next soft key) to continue. Set the date and time. Press (Next soft key) to continue or press (Previous soft key) to return to the previous screen. Edit the site name.
  • Page 32 User Guide for the VC120 Video Conferencing Terminal The default site name is” Yealink VC120”. Press (Next soft key) to continue or press (Previous soft key) to return to the previous screen. Change the administrator password. The default administrator password is “0000”.
  • Page 33 Getting Started The display device shows firewall port mapping information. Press (Next soft key) to continue or press (Previous soft key) to return to the previous screen. 10. Configure network settings. The phone will attempt to contact a DHCP server in your network to obtain an IP address, subnet mask, default gateway address and DNS address by default.
  • Page 34 User Guide for the VC120 Video Conferencing Terminal refer to Navigating Menus on the Display Device on page Entering Data and Editing Fields on page 29. For more information about how to configure language, time and date, refer to Customizing the VC120 Video Conferencing Terminal on page 33.
  • Page 35 Getting Started Idle screen of the display device If the terminal has successfully started up, the idle screen will be shown. The following figure is an example of what is displayed on the display device Name Description The phone‟s time and date are displayed on the Time and Date left of the status bar.
  • Page 36 User Guide for the VC120 Video Conferencing Terminal Idle screen of the VCP40 phone Name Description Status icon Displays the phone‟s status icon. Displays four soft keys. History: Enters the History screen  Directory: Enters the Directory screen  Soft Keys DND: Enables or disables the Do Not ...
  • Page 37 Getting Started If you want to You can Select an option from the From the pull-down list, Press to scroll pull-down list to the setting and then press Enable or disable features Press You can enter data and edit fields using the keypad on the remote control or the on-screen keyboard on the display device: To enter or edit data: Select the field.
  • Page 38 User Guide for the VC120 Video Conferencing Terminal If you want to You can seconds to delete the entire field of text. Press to save. When the terminal is idle, you can view its status via the remote control, VCP40 phone or web user interface.
  • Page 39 Getting Started To view the terminal status via the web user interface: Click Status. The terminal status is displayed on the web user interface. To view the terminal status via phone user interface: Press Press to select the desired list. Press or the Enter soft key to view the specific information.
  • Page 40 User Guide for the VC120 Video Conferencing Terminal...

  • Page 41: Customizing The Vc120 Video Conferencing Terminal

    Customizing the VC120 Video Conferencing Terminal You can customize your VC120 video conferencing terminal by personally configuring certain settings, for example, site name, time & date and language. You can add contacts to the local directory manually or from the call history.

  • Page 42: Backlight

    User Guide for the VC120 Video Conferencing Terminal Press to scroll to Automatic Sleep Time, and then press Select desired time from the pull-down list of Automatic Sleep Time. If Always On is selected, the terminal will not enter the sleep mode automatically.

  • Page 43: Site Name

    Customizing the VC120 Video Conferencing Terminal Select the desired value from the pull-down list of Backlight Time. Click Confirm to accept the change. Site name is displayed on the status bar of the display device and VCP40 phone. When you make an IP address call to the other party, the site name will be displayed on the remote display device.

  • Page 44: Language

    User Guide for the VC120 Video Conferencing Terminal Press (Save soft key) to accept the change. Site name can be configured via the web user interface at the path Setting->General->Site Name. The default language of the display device is English, and you can change it via the remote control.

  • Page 45: Time & Date

    Customizing the VC120 Video Conferencing Terminal Select the desired language from the pull-down list of Language. Text displayed on the web user interface will change to the selected language. The time and date are displayed on the LCD screen of the VCP40 phone and display device.
  • Page 46 User Guide for the VC120 Video Conferencing Terminal To configure the NTP server and date & time format via the remote control: Press (Menu soft key) to enter main menu. Press to select the Basic menu. Press to scroll to Date & Time, and then press Select the desired time format from the pull-down list of Time.

  • Page 47: Key Tone

    Customizing the VC120 Video Conferencing Terminal Select the Manual Settings from the pull-down list of Time Type. Select the desired year from the pull-down list of Year. Select the desired month from the pull-down list of Month. Select the desired day from the pull-down list of Day.
  • Page 48 User Guide for the VC120 Video Conferencing Terminal Press to scroll to Key Tone, and then press to enable or disable this feature. Press (Save soft key) to accept the change. Key tone can be configured via the web user interface at the path Setting->General->Key Tone.
  • Page 49 Customizing the VC120 Video Conferencing Terminal The current ringer volume of the terminal is displayed on the left of the display device. Press on the VCP40 phone to adjust the ringer volume. The LCD screen of the VCP40 phone displays the current ringer volume.

  • Page 50: Local Directory

    If the VCP40 phone is not the active audio device of the terminal, you can still use it to adjust the terminal volume. You can add local contact information to the terminal. VC120 terminal can store up to 500 local contacts. You can manage the local directory via the remote control or web...
  • Page 51 Customizing the VC120 Video Conferencing Terminal This chapter provides operating instructions for the local directory. Topics include: Adding Contacts  Placing Calls to Contacts  Editing Contacts  Deleting Contacts  Searching for Contacts  Search Source List in Dialing ...
  • Page 52 User Guide for the VC120 Video Conferencing Terminal You can repeat the step 6 to add the third number to the contact, and enter the third number in the Number 3 field. Press (Save soft key) to save the local contact.
  • Page 53 Customizing the VC120 Video Conferencing Terminal You can edit local contacts via the remote control or web user interface: To edit a contact via the remote control: Press (Call soft key). Press to select the Directory menu. Press to select the desired local contact.
  • Page 54 User Guide for the VC120 Video Conferencing Terminal The display device prompts ”Delete this contact?” Press to highlight OK. Press to delete the local contact. Deleting contacts can be configured via the web user interface at the path Directory->Local. You can search local contacts via the remote control or web user interface.
  • Page 55 Customizing the VC120 Video Conferencing Terminal The contacts whose names or phone numbers matches the characters entered will appear on the display device. You can press to select the desired contact, and then call or edit the contact. You can search for a contact from the desired lists when the phone is in the pre-dialing screen.
  • Page 56 User Guide for the VC120 Video Conferencing Terminal To adjust the display order of the enabled list, select the desired list, and click Click Confirm to accept the change. Note Search source list in dialing is only configurable via the web user interface.
  • Page 57 You can import or export the contact list to share contacts between different terminals or between terminal and application software (e.g., Outlook). The VC120 video conferencing terminal only supports the XML and CSV format contact lists. You can only import or export the contact list via the web user interface.
  • Page 58 User Guide for the VC120 Video Conferencing Terminal Click Confirm. The web user interface is shown as below: (Optional.) Check the The first line as the title checkbox. It will prevent importing the title of the contact information which is located in the first line of the CSV file.
  • Page 59 Click Export XML or Export CSV. The contact list is saved to your local terminal. The VC120 video conferencing terminal maintains call history lists of All Calls, Missed Calls, Placed Calls and Received Calls. The terminal supports up to 400 history lists. You can view the call history, place a call or delete an entry from the call history list.
  • Page 60 User Guide for the VC120 Video Conferencing Terminal Press to select the Call Features menu. Press to scroll to History record, and then press to enable or disable this feature. Press (Save soft key) to accept the change. The history record feature can be configured via the web user interface at the path Setting->Call Features->History Record.
  • Page 61 Customizing the VC120 Video Conferencing Terminal If the call history is more than one page, you can press to turn pages. To view call history via the VCP40 phone: Press the History soft key. Recent call history is displayed on the LCD screen of the VCP40 phone.
  • Page 62 User Guide for the VC120 Video Conferencing Terminal Press To place a call from the call history list via the VCP40 phone: Press the History soft key. Recent call history is displayed on the LCD screen of the VCP40 phone.
  • Page 63 Customizing the VC120 Video Conferencing Terminal Press (Delete soft key) to delete the entry. To clear call history via the remote control: Press (Call soft key). Press to select the History menu. The display device shows recent call history. Press (Clear soft key).

  • Page 64: Call History Management

    Call history management feature can be configured via the web user interface at the path Directory->History. The VC120 video conferencing terminal supports SIP and H.323 call types. You can configure which type is to be used when the terminal is making calls. When the Auto call type is used, the terminal preferentially uses the H.323 protocol to place calls.
  • Page 65 Customizing the VC120 Video Conferencing Terminal Press to scroll to Call Type, and then press Select desired type or Auto from the pull-down list of Call Type. Press (Save soft key)to accept the change. Call type can be configured via the web user interface at the path Setting->Call Features->...
  • Page 66 Features-> Uplink Bandwidth/Downlink Bandwidth. By default, the terminal automatically selects the available audio output devices. If the VCP40 phone is connected to the Audio In port on the VC120 codec, the terminal will use the VCP40 phone as the audio output device.

  • Page 67: Audio Output Device

    If the VCS phone is selected as the audio input device and the Audio In port on the VC120 codec is connected to the VCP40 phone, the terminal will use the VCP40 phone as audio input device. You can configure which audio input device is to be used according to the current environment.

  • Page 68: Far-End Camera Control

    User Guide for the VC120 Video Conferencing Terminal Line Input (microphone connected to the Line In port on the VC120 codec)  VCS Phone (VCP40 phone)  To configure the audio output device via the remote control: Press (Menu soft key) to enter main menu.
  • Page 69 Customizing the VC120 Video Conferencing Terminal To configure Far-end Camera Control via the remote control: Press (Menu soft key) to enter main menu. Press to select the Video & Audio menu. Press to scroll to Far-end Camera Control, and then press...
  • Page 70 User Guide for the VC120 Video Conferencing Terminal...

  • Page 71: Using The Vc120 Video Conferencing Terminal

    Using the VC120 Video Conferencing Terminal The VC120 video conferencing terminal can be used to place calls, answer calls, or conduct a conference cal. You can switch layout, record videos or capture screenshots during a call. This chapter provides basic operating instructions for the VC120 video conferencing terminal.
  • Page 72 User Guide for the VC120 Video Conferencing Terminal If the terminal fails to call, you can troubleshoot the problems according to the following prompts: Prompts Description The remote terminal rejects the Call Failed Busy here incoming call. Network disconnected Local network is disconnected.
  • Page 73 (Optional.) Select the desired bandwidth from the pull-down list of Auto. Click Video Call or Voice Call. The VC120 video conferencing terminal can support up to 3 parties (including the conference initiator) in a conference call, Including one video call and one voice call.
  • Page 74 User Guide for the VC120 Video Conferencing Terminal To place a multiple call via the remote control: Place a call to the first party. When the first party answers the call, press (More soft key) to open More window. Press to scroll to New Call, and then press to place a new call.
  • Page 75 Using the VC120 Video Conferencing Terminal When the terminal is receiving a call, you can answer or reject the call in the following ways: Using the remote control  Using the VCP40 phone  If the terminal receives multiple calls, a conference call will be established.
  • Page 76 User Guide for the VC120 Video Conferencing Terminal Press to scroll to Auto Answer Multiway, and then press to enable or disable this feature. Press (Save soft key) to accept the change. If the auto answer feature is enabled, the icon will appear on the status bar of the display device.
  • Page 77 Using the VC120 Video Conferencing Terminal Press to scroll to DND, and then press to enable this feature. Press (Save soft key) to accept the change. icon will appear on the status bar of display device, and “DND ON!” will be prompted at intervals.
  • Page 78 User Guide for the VC120 Video Conferencing Terminal Press (Back soft key) to return. You can also press the DND soft key on the VCP40 phone to enable or disable the DND feature during an active all. DND during an active all feature can be configured via the web user interface at the path Home->DND.
  • Page 79 Using the VC120 Video Conferencing Terminal The interface prompts ”Hang up?” Click Confirm to end the call. During a multi-way call, you can remove any party via the remote control or web user interface. To remove any party via the remote control: Press (More soft key) during a multi-way call.

  • Page 80: Call Statistics

    User Guide for the VC120 Video Conferencing Terminal Press on the remote control. icon will appear on the local video. Press on the VCP40 phone. The LED indicators on the VCP40 phone will illuminate solid red, the LCD screen is shown as below: Login to the web user interface, check the Mute checkbox.

  • Page 81: Presentation

    Both local and remote display devices will share presentations. You can also start/end presentation during a call via the remote control or VCP40 phone (ensure a PC is connected to the VC120 main terminal). If you disconnect the PC, the presentation will end automatically.

  • Page 82: Changing The Video Input Source

    ): All video images are shown in the same size.  If one display device is connected to the VC120 codec (single screen), the default screen layout during a call is: If there is one active call and local terminal does not start the presentation, the ...
  • Page 83 Using the VC120 Video Conferencing Terminal If two display devices are connected to the VC120 codec (dual screen), the default screen layout during a call is: If there is one active call and local terminal does not start the presentation.
  • Page 84 User Guide for the VC120 Video Conferencing Terminal To change screen layout via the remote control: Press (Layout soft key) during an active call. The display device shows all video thumbnails and three layout soft keys. Press to select a video.
  • Page 85 Using the VC120 Video Conferencing Terminal Before placing a video call, you need to be familiar with how to adjust the angle and focus of the camera. After any adjustment, you can long press number keys 0-9 to save the new position of the camera.
  • Page 86 User Guide for the VC120 Video Conferencing Terminal Long press to adjust the focus of the camera. The display device shows the focus of the camera. To save the preset of the camera: Press (Preset soft key). Long press any number key (0-9) on the remote control until the screen prompts ”Preset Key „X‟...
  • Page 87 VC120 video conferencing terminal supports two video input sources: camera and PC. When the camera and PC are connected to the VC120 codec, the display device shows the presentation on the connected PC. If two display devices are connected to the VC120 codec, the video image is shown on the main display device, and the presentation on the PC is shown on the second display device.

  • Page 88: Video Recording

    The terminal only supports USB flash drive in FAT32 format. After the USB flash drive is inserted into the USB port on the VC120 codec, the display device will prompt "USB device available, press * to record or press # to screenshot".The icon will appear on the status bar of the display device.
  • Page 89 Using the VC120 Video Conferencing Terminal Press to scroll to Videos, and then press Press to select the desired Video. Press (Play soft key). You can do the following: Press to rewind or skip the video. Each press will rewind the video 8 seconds or skip the video forward 8 seconds.

  • Page 90: Screenshot

    You can capture the screenshot from the camera via the remote control or web user interface. Before capturing the screenshot, you need to insert a USB flash drive into the USB port on the VC120 codec to store screenshots. You can view, delete or scale the screenshots via the remote control.
  • Page 91 Using the VC120 Video Conferencing Terminal The display device prompts ”Delete this screenshot?” Select OK, and then press to delete the screenshot. Capture the screenshot via the web user interface at the path Home->Screenshot.
  • Page 92 User Guide for the VC120 Video Conferencing Terminal...

  • Page 93: Troubleshooting

    Troubleshooting This chapter provides general troubleshooting information to help you solve problems you might encounter when using your VC120 terminal. If you require additional information, or assistance with your new phone, contact your system administrator. Diagnostic menus include: Audio Diagnose: Check whether the audio output device can pick up voice and ...
  • Page 94 User Guide for the VC120 Video Conferencing Terminal Press (Back soft key) to stop camera diagnostics. Network diagnosis: Press (Menu soft key) to enter main menu. Press to select the Diagnose menu. Press to scroll to Ping, and then press...
  • Page 95 Troubleshooting Three are three ways to obtain the IP address of the terminal: The IP address of the terminal is shown on the top right corner of the display  device. Press (Menu soft key) on your remote control and select Network. ...
  • Page 96  If you select VCS Phone as the audio output device, ensure that the VCP40 phone is  connected to the VC120 codec, and LED indicators on the phone illuminate solid green. Ensure the proper volume level on the terminal.
  • Page 97 If you select VCS Phone as the audio output device, ensure that the VCP40 phone is  connected to the VC120 codec, and LED indicators on the phone illuminate solid green. Ensure that the ring volume is not set to 0. If it is, the icon will appear on the ...
  • Page 98 User Guide for the VC120 Video Conferencing Terminal How to export PCAP trace? We may need you to provide a PCAP trace to help analyze your problem. Exporting PCAP trace is only configurable via the web user interface. To export a PCAP trace via the web user interface: Click on Settings->Configuration.
  • Page 99 Troubleshooting The default system log level is 9. Click Confirm to accept the change. The web user interface prompts “Operating…Please wait…”. Export the system log referring to the following steps. Recreate the error to be documented in the trace. Click Export to save the file to your local terminal. How to export/import the terminal configurations? We may need you to provide your terminal configurations to help analyze problems.
  • Page 100 User Guide for the VC120 Video Conferencing Terminal Click Confirm to export the configurations. To import the phone configurations via the web user interface: Click on Setting->Configuration. Click Browse to locate a configuration file from your local terminal. Click Import to import the configuration file.
  • Page 101 Troubleshooting Click Confirm to confirm upgrading. The web user interface is shown as below: How to reset the terminal? Reset the terminal to factory configurations after you have tried all appropriate troubleshooting suggestions but have still not solved the problem. You need to note that all customized settings will be overwritten after reset.
  • Page 102 User Guide for the VC120 Video Conferencing Terminal The display device prompts ”Reset to Factory? ” Select OK, and then press The terminal reboots automatically, the LCD screen of the VCP40 phone prompts ”Rebooting Please wait…”. The phone will be reset to factory sucessfully after startup.

  • Page 103: Regulatory Notices

    Without prior written consent, no organization or individual is permitted to  make any change to the structure or the safety design of the device. Yealink is under no circumstance liable to consequences or legal issues caused by such changes.
  • Page 104 User Guide for the VC120 Video Conferencing Terminal Please refer to the relevant laws and statutes while using the device. The  legal rights of others should be respected as well. Environmental Requirements Place the device in a well-ventilated place. Do not expose the device under ...

  • Page 105: Restriction Of Hazardous Substances

    This table lists the toxic and hazardous substances contained in the machine. Based on the material type, the data is provided by the supplier and has already been validated by Yealink company. Some harmful substances contained in the material cannot be replaced according to...
  • Page 106 User Guide for the VC120 Video Conferencing Terminal...

  • Page 107: Appendix A - Time Zones

    Appendix A - Time Zones Time Zone Time Zone Name −11:00 Samoa −10:00 United States-Hawaii-Aleutian −10:00 United States-Alaska-Aleutian −09:00 United States-Alaska Time −08:00 Canada(Vancouver, Whitehorse) −08:00 Mexico(Tijuana, Mexicali) −08:00 United States-Pacific Time −07:00 Canada(Edmonton, Calgary) −07:00 Mexico(Mazatlan, Chihuahua) −07:00 United States-Mountain Time −07:00 United States-MST no DST −06:00...
  • Page 108 User Guide for the VC120 Video Conferencing Terminal Time Zone Time Zone Name Portugal(Lisboa, Porto, Funchal) Spain-Canary Islands(Las Palmas) United Kingdom(London) Morocco +01:00 Albania(Tirane) +01:00 Austria(Vienna) +01:00 Belgium(Brussels) +01:00 Caicos +01:00 Chad +01:00 Spain(Madrid) +01:00 Croatia(Zagreb) +01:00 Czech Republic(Prague) +01:00...
  • Page 109 Appendix A - Time Zones Time Zone Time Zone Name +04:00 Kazakhstan(Aktau) +04:00 Russia(Samara) +04:30 Afghanistan +05:00 Kazakhstan(Aqtobe) +05:00 Kyrgyzstan(Bishkek) +05:00 Pakistan(Islamabad) +05:00 Russia(Chelyabinsk) +05:30 India(Calcutta) +06:00 Kazakhstan(Astana, Almaty) +06:00 Russia(Novosibirsk, Omsk) +07:00 Russia(Krasnoyarsk) +07:00 Thailand(Bangkok) +08:00 China(Beijing) +08:00 Singapore(Singapore) +08:00 Australia(Perth) +09:00...
  • Page 110 User Guide for the VC120 Video Conferencing Terminal...

  • Page 111: Index

    Answering or Rejecting Calls General Settings Appendix A - Time Zones Getting Started General Issues Backlight Bandwidth Settings Terminal Component Instructions Customizing VC120 Video Conferencing Icon Instructions Terminal Importing/Exporting Contact lists Call Type In This Guide Call History Management Idle Screen Display...
  • Page 112 User Guide for the VC120 Video Conferencing Terminal Network Connection User Interfaces Navigating Menus on Display Device Using VC120 Video Conferencing Terminal Packaging Contents Presentation V120 Codec Placing Calls Viewing Call History Place a call from the call history list...

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