Contents

Table of Contents
About This Guide
- Related Documentation
- In This Guide
Getting Started with Your Phone
- Hardware Overview
  - T48S/T48G Hardware
  - T46S/T46G/T42S/T42G/T41S/T41P/T40P/T40G Hardware
  - Power LED Indicator
  - Line Key LED
- Screen and Icons
  - Idle Screen
  - Dialing/Pre-dialing Screen
  - Calls Screen
  - Icons in the Status Bar
    - T48S/T48G Icons in the Status Bar
    - T46S/T46G Icons in the Status Bar
    - T41S/T41P/T42S/T42G Icons in the Status Bar
    - T40P/T40G Icons in the Status Bar
  - Line Key Icons
    - T48S/T48G Line Key Icons
    - T46S/T46G Line Key Icons
    - T41S/T41P/T42G/T42S Line Key Icons
    - T40P/T40G Line Key Icons
  - Call History Icons
    - T48S/T48G Call History Icons
    - T46S/T46G Call History Icons
    - T42S/T42G/T41S/T41P/T40P/T40G Call History Icons
- Entering Characters on T46S/T46G/T42S/T42G/T41S/T41P/T40P/T40G
- Entering Characters on T48S/T48G
  - Using the Onscreen Keyboard
  - Using the Phone Keypad and Dial Pad
Customizing Your Phone
- Changing the Administrator Password
- Wallpaper
  - Changing Idle Screen Wallpaper
  - Changing Dsskey Screen Wallpaper
  - Adding a Wallpaper from a USB Flash Drive
  - Adding a Dsskey Screen Wallpaper from a USB Flash Drive
- Adjusting Transparency
- Screen Saver
  - Changing the Waiting Time for Screen Saver
  - Enabling/Disabling Time & Date and Status Icons Display
  - Adding a Screen Saver from a USB Flash Drive
  - Setting the Screen Saver Type
- Changing the Screen Backlight Brightness and Time
- Adjusting the Screen Contrast
- Changing the Language
- Time & Date
  - Setting the Time and Date Manually
  - Changing the Date Format
- Setting a Key as Send
- Customizing the Soft Keys
- Phone Lock
  - Phone Lock Types and Waiting Time
  - Setting the Phone Lock
  - Locking Your Phone Manually
  - Unlocking Your Phone
  - Changing Your Phone Unlock PIN
Audio Settings
- Adjusting the Volume
  - Adjusting the Audio Volume
  - Adjusting the Ringer Volume
- Setting the Ring Tone
  - Setting a Ring Tone for the Phone
  - Setting a Ring Tone for an Account
  - Setting a Ring Tone for a Group
  - Setting a Ring Tone for a Contact
- Setting the Key Tone
Directory
- Local Directory
  - Managing the Local Directory Groups
    - Adding Contact Groups
    - Editing Contact Groups
    - Deleting Contact Groups
  - Managing the Local Directory Contacts
    - Adding Contacts
    - Editing Contacts
    - Deleting Contacts
      - Deleting a Contact
      - Deleting All Contacts
  - Moving a Local Directory Contact to Blacklist
  - Searching for Local Directory Contacts
- Favorites
  - Adding Favorites
    - Adding a Favorite from Local Directory
    - Adding a Favorite while Adding a Contact
  - Viewing Favorites
  - Reordering Favorites
  - Deleting Favorites
    - Deleting a Favorite by Removing a Contact from Favorites Directory
    - Deleting a Favorite by Deleting the Favorite Index Number
- Blacklist
  - Managing the Blacklist Contacts
    - Adding a Blacklist Contact
    - Editing a Blacklist Contact
    - Deleting Blacklist Contacts
      - Deleting a Blacklist Contact
      - Deleting all Blacklist Contacts
  - Moving a Blacklist Contact to the Local Directory
- Mobile Contacts
  - Adding a Mobile Contact to the Local Directory/Blacklist
  - Searching for Mobile Contacts
  - Updating the Mobile Contacts
- Remote Phone Book
  - Adding a Remote Phone Book Contact to the Local Directory/Blacklist
  - Searching for Remote Phone Book Contacts
Call History
- Viewing History Records
- Adding a History Record to Local Directory/Blacklist
- Deleting History Records
  - Deleting a Call Record
  - Deleting All Call Records
- Disabling History Record
Call Features
- Switching Among the Handset, Speakerphone and Headset Modes
- Changing the Default Account
- Placing Calls
  - Placing a Call from the Dialer
  - Placing Multiple Calls
  - Placing a Call with a Speed Dial Key
    - Setting a Speed Dial Key Manually
    - Speed Dialing a Contact Using a Speed Dial Key
  - Placing a Call Back to the Last Incoming Number
    - Setting a Recall Key
    - Recalling a Contact
  - Redialing a Number
  - Dialing a Hotline Number
    - Setting a Hotline Number and Delay Time
  - Placing an International Call
  - Placing a Call from the Call History
  - Placing a Call from the Directory
  - Placing an Anonymous Call
    - Enabling Anonymous Call
    - Placing a Anonymous Call
- Answering Calls
  - Answering a Call
  - Answering a Call When in a Call
    - Enabling Call Waiting
  - Answering Calls Automatically
- Silencing or Rejecting Incoming Calls
  - Silencing a Call
  - Rejecting a Call Manually
  - Rejecting Anonymous Calls Automatically
- Ending Calls
- Auto Redial
  - Setting the Auto Redial
  - Redialing a Call Automatically
- Call Mute
  - Muting/Unmuting Audio
  - Keep Mute
- Call Hold
  - Holding a Call
  - Resuming a Held Call
  - Swapping Between Active and Held Calls
- Do Not Disturb (DND)
  - Rejecting Calls with DND on All Lines
  - Rejecting Calls with DND on Specific Lines
  - Deactivating DND
- Redirecting Incoming Calls
  - Forwarding Calls
    - Forwarding All Incoming Calls to a Contact
      - Forwarding All Incoming Calls on All Lines
      - Forwarding All Incoming Calls on Specific Lines
      - Deactivating Call Forward
    - Forwarding an Incoming Call Manually
    - Forwarding Incoming Calls with a Forward Key
      - Setting a Forward Key
      - Forwarding Incoming Calls Using a Forward Key
  - Diverting Calls to a Contact
- Transferring Calls
  - Performing a Blind Transfer
  - Performing a Semi-Attended/Attended Transfer
  - Performing Transfer to an Existing Call
  - Performing Transfer with a Transfer Key
    - Setting a Transfer Key
    - Performing a Blind Transfer Using a Transfer Key
    - Performing a Semi-Attended/Attended Using a Transfer Key
- Conference Calls
  - Local Conference
    - Setting Up a Local Conference Call
    - Joining Two Calls in a Conference
    - Joining a Transfer Target and a Transferee into a Conference
    - Holding/Resuming a Conference Call
    - Muting/Unmuting a Conference Call
    - Splitting a Conference Call
    - Managing Conference Participants
    - Ending a Conference Call
  - Network Conference
    - Setting Up a Network Conference
- Call Recording
  - Recording a Call
  - Managing a Call While Recording
  - Pausing a Recording
  - Resuming a Recording
  - Stopping a Recording
  - Playing a Recorded Call
  - Pausing/Resuming a Recording
  - Fast Forwarding/Rewinding a Played Recorded Call
  - Stopping a Playback
  - Deleting a Recorded Call
  - Viewing the Available Recording Time
- Multicast Paging
  - Sending Multicast Paging
    - Setting a Multicast Paging Key
    - Setting a Paging List Key
    - Setting a Paging Group
    - Deleting a Paging Group
    - Sending a Paging by a Multicast Paging Key
    - Sending Pages by a Paging List Key
  - Receiving Multicast Paging
  - Managing a Paging Call
Advanced Features
- Call Completion
  - Enabling Call Completion
  - Using Call Completion
- Call Pickup
  - Picking up a Call Directly
  - Picking up a Group Call
  - Picking up a Call with a Directed Pickup Key
    - Setting a Directed Pickup Key
    - Directed Picking up a Call Using a Directed Pickup Key
  - Picking up a Call with a Group Pickup Key
    - Setting a Group Pickup Key
    - Picking up a Group Call Using a Group Pickup Key
- Call Park and Call Retrieve
  - Parking or Retrieving a Call in the FAC Mode
    - Parking a Call in the FAC Mode
    - Retrieving a Parked Call in the FAC Mode
  - Parking or Retrieving a Call in the Transfer Mode
    - Parking a Call in the Transfer Mode
    - Retrieving a Parked Call in the Transfer Mode
  - Parking or Retrieving a Call with a Park/Retrieve Key
    - Setting a Park Key
    - Parking a Call using a Park Key
    - Setting a Retrieve Key
    - Retrieving a Parked Call using a Retrieve Key
- Busy Lamp Field (BLF)
  - Setting a BLF Key
  - State Indicator of Remote Line by BLF Key
  - Audio Alert for Monitored Lines
    - Setting an Alert Tone for Monitored Lines
  - Visual Alert for Monitored Lines
    - Handling a Remote Call when Visual Alert
  - Picking up a Remote Call by BLF Key
    - Setting the Directed Call Pickup Code for BLF key
    - Picking up a Remote Call
  - Transferring a Call by BLF Key
    - Performing a Blind Transfer
    - Performing a Semi-attended/Attended Transfer
  - Parking/Retrieving a Call by BLF Key
    - Parking a Call
    - Retrieving a Parked Call
- BLF List
  - State Indicator of Remote Line by BLF List Key
  - Picking up a Remote Call by BLF List Key
  - Transferring a Call by BLF List Key
    - Performing a Blind Transfer
    - Performing a Semi-attended/Attended Transfer
  - Retrieving a Call by BLF List Key
  - Barging In an Active Call by BLF List Key
- Shared Line
  - State Indicator of Shared Line
  - Placing Calls on a Shared line
  - Answering Calls on a Shared line
  - Placing a Call on Hold on a Shared Line
    - Placing a Call on Public Hold
    - Placing a Call on Private Hold
      - Setting a Private Hold Key
      - Holding a Call Privately
  - Retrieving a Held Call Remotely on a Shared line
  - Barging In an Active Call on a Shared line
  - Pulling a Shared Call on a Shared line
- Intercom
  - Placing an Intercom Call
    - Setting an Intercom Key
    - Placing an Intercom Call to the Target Extension
  - Picking Up an Incoming Call of the Target Extension
    - Setting the Directed Call Pickup Code for Intercom Key
    - Picking Up a Remote Call by Intercom Key
  - Answering an Intercom Call
    - Setting Intercom
    - Answering an Intercom Call
- Messages
  - Short Message Service (SMS)
    - Reading a Text Message
    - Sending a Text Message
    - Replying to a Text Message
    - Deleting a Text Message
  - Voice Mail
    - Setting the Voice Mail Code
    - Receiving a Voice Message
    - Leaving Voice Mails
    - Listening to Voice Mails
- Hot Desking
- Automatic Call Distribution (ACD)
  - Logging into the ACD System
  - Changing the ACD Status
Optional Accessories with Your Phone
- Supported Accessories
- Headset
  - Analog Headset
    - Connecting a YHS32/YHS33 Headset
  - Wireless Headset
  - Bluetooth Headset
  - USB Headset
    - Connecting a USB Headset
  - Using Headsets
    - Activating the Headset Mode
    - Deactivating the Headset Mode
- Bluetooth
  - Connecting the Bluetooth USB Dongle BT40
  - Activating the Bluetooth Mode
  - Deactivating the Bluetooth Mode
  - Using Bluetooth Feature
    - Pairing and Connecting the Bluetooth Headset
    - Pairing and Connecting the Bluetooth-Enabled Mobile Phone
    - Syncing the Mobile Contacts to the IP Phone
      - Enabling the Mobile Contacts Sync Feature
      - Viewing your Mobile Contacts on the IP Phones
      - Disabling the Mobile Contacts Sync Feature
    - Viewing the Bluetooth Device Information
    - Editing Device Name of your Phone for Recognition
    - Deleting the Paired Bluetooth Device
    - Disconnecting the Bluetooth Device
- Wireless Network
  - Connecting the Wi-Fi USB Dongle WF40
  - Activating the Wi-Fi Mode
  - Deactivating the Wi-Fi Mode
  - Using the Wi-Fi Feature
    - Connecting to the Wireless Network
      - Connecting to an Available Wireless Network Manually
      - Connecting to the Wireless Network Using Wi-Fi Protected Setup (WPS)
      - Adding a Wireless Network Manually
    - Viewing the Wireless Network Information
    - Managing the Saved Wireless Network
    - Disconnecting the Wireless Network Connection
- Expansion Module and Your Phone
  - Connecting the Expansion Module
  - Assigning the Features for Ext Keys
  - Adjusting the Contrast of Expansion Module
  - Adjusting the Backlight of Expansion Module
Maintaining Your Phone
- Diagnosing the Network
  - Checking the Network Using Ping Method
  - Checking the Network Using Trace Route Method
- Rebooting Your Phone
- Resetting to Factory Settings
- Updating the Phone Configuration
Appendix - Menu Structure
- For the SIP-T48S/T48G IP Phone
- For the SIP-T46S/T46G IP Phone
- For the SIP-T42S/T42G/T41S/T41P/T40P/T40G IP Phone

Yealink SIP-T40G T4 Series User's Guide

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Year 2018

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User's Guide

159 pages

User's Guide

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User's Guide

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User's Guide

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Yealink SIP-T40G T4 Series Specification

The Yealink SIP-T40G is a feature-rich IP phone from the T4 series, designed to enhance communication in professional environments. This model supports Gigabit Ethernet, providing fast and reliable network connectivity which is crucial for high-quality voice communications and data-intensive applications. It includes a 2.3-inch graphical LCD display with a resolution of 132x64 pixels, offering a clear and user-friendly interface for navigating through its various functions and settings.

Equipped with Yealink's Optima HD Voice technology, the SIP-T40G delivers superior sound quality, ensuring that every conversation is crystal clear. It supports up to three SIP accounts, making it versatile for handling multiple lines and call management features such as call hold, call transfer, and call waiting. The phone also includes a variety of codec support, including G.722 for wideband audio, enhancing voice clarity.

Security is a priority with the SIP-T40G, featuring advanced protocols like SIP over Transport Layer Security (TLS) and Secure Real-time Transport Protocol (SRTP) to protect communications. The phone offers an intuitive user interface with programmable keys and XML browser capabilities, allowing for customization and integration with third-party applications.

The SIP-T40G is designed for efficiency and ease of use, supporting PoE (Power over Ethernet) which simplifies installation by eliminating the need for additional power cables. The phone's dual-port Gigabit Ethernet allows for seamless network connections, and its compatibility with a range of accessories, such as headsets, enhances its functionality for busy office environments. Overall, the Yealink SIP-T40G is a robust and reliable choice for businesses seeking a high-performance IP phone with advanced features and secure communications.

Yealink SIP-T40G T4 Series F.A.Q.

How do I configure a SIP account on the Yealink SIP-T40G?

To configure a SIP account, access the web interface by entering the phone's IP address in a browser. Log in with admin credentials, navigate to the 'Account' tab, and enter the SIP server details, username, and password. Save the changes to register the account.

What should I do if the phone is not obtaining an IP address?

Ensure the Ethernet cable is securely connected. Check if the DHCP server is active on the network. If necessary, set a static IP by navigating to 'Network' > 'Basic' in the web interface and entering the IP details manually.

How can I perform a factory reset on the Yealink SIP-T40G?

To perform a factory reset, press the 'OK' button for 10 seconds until the display shows a reset warning. Confirm the reset by pressing 'OK' again. Alternatively, perform a reset via the web interface under 'Settings' > 'Upgrade' > 'Reset to Factory'.

How do I update the firmware on my Yealink SIP-T40G?

Download the latest firmware from the Yealink website. Access the phone's web interface, navigate to 'Settings' > 'Upgrade', and upload the firmware file. Click 'Upgrade' and wait for the process to complete.

What can I do if there is no audio during calls?

Check if the handset or headset is properly connected. Ensure the volume is turned up. Verify network settings, particularly if NAT traversal settings are configured correctly. Test with different codecs if necessary.

How do I set up call forwarding on the Yealink SIP-T40G?

To set up call forwarding, press the 'Menu' button, go to 'Features' > 'Call Forward'. Choose the type of forwarding (Always, Busy, No Answer), enter the destination number, and save the settings.

Can I use a headset with the Yealink SIP-T40G and how do I configure it?

Yes, you can use a headset with the SIP-T40G. Connect the headset to the RJ9 port. To configure, press the 'Menu' button, navigate to 'Basic Settings' > 'Headset', and adjust settings as needed.

How can I troubleshoot network connectivity issues with the Yealink SIP-T40G?

Verify the network cable and switch port connections. Check the IP address, subnet mask, and gateway settings. Use the phone's ping tool under 'Status' > 'Network' to test connectivity to the network and SIP server.

What is the procedure to change the display language on the Yealink SIP-T40G?

To change the display language, press the 'Menu' button and navigate to 'Settings' > 'Basic Settings' > 'Language'. Select the desired language from the list and save the changes.

How can I customize the ringtone on the Yealink SIP-T40G?

Press the 'Menu' button, go to 'Settings' > 'Basic Settings' > 'Ring Tones'. Select the line you want to change, choose the desired ringtone from the list, and save the settings.