Why doesn't my Yealink Telephone get an IP address?
If your Yealink Telephone isn't getting an IP address, check the following: * Ensure the Ethernet cable is securely plugged into the internet port and is not loose. * Verify the Ethernet cable is not damaged. * Confirm that the IP address and related network parameters are set correctly. * Make sure your network switch or hub is working. * Ensure the Wi-Fi feature is disabled.
Why does my Yealink Telephone display “No Service”?
If your Yealink Telephone displays “No Service”, ensure that an account is actively registered on the IP phone at Menu->Status->More->Accounts.
Why does my Yealink Telephone have no power?
If your Yealink Telephone has no power: * Reboot your IP phone. * Replace the power adapter.
What to do if the LCD screen is blank on my Yealink Telephone?
If the LCD screen on your Yealink Telephone is blank, verify the following: * Ensure the phone is properly plugged into a functional AC outlet. * Confirm the phone is plugged into a socket controlled by a switch that is on. * If plugged into a power strip, try plugging it directly into a wall outlet. * If your phone is PoE powered, ensure you are using a PoE-compliant switch or hub.
How to solve IP conflict problem on Yealink Telephone?
To resolve an IP conflict on your Yealink Telephone, you can: * Reset another available IP address for the IP phone. * Check network configuration via the phone's user interface at Menu->Settings->Advanced Settings (default password: admin)->Network->WAN Port->IPv4 (or IPv6). If Static IP is selected, choose DHCP instead.
Why doesn’t my Yealink Telephone upgrade firmware successfully?
If your Yealink Telephone isn’t upgrading firmware successfully, check the following: * Ensure that the target firmware is not the same as the current firmware. * Ensure that the target firmware is applicable to the IP phone model. * Ensure that the current or the target firmware is not protected. * Ensure that the power is on and the network is available during the upgrade. * Ensure that the web browser is not closed or refreshed when upgrading firmware via the web user interface.
Why do I get poor sound quality during a call on my Yealink Telephone?
Poor sound quality during a call on your Yealink Telephone can be due to several factors: * Users being too far from the microphone or too close to sensitive microphones. * Packet loss and jitter due to network congestion. * Noisy equipment causing interference. Turn off any noisy equipment. * Line issues. Try disconnecting the old line and redialing to see if another line provides a better connection.
Why doesn’t my Yealink Telephone display time and date correctly?
If your Yealink Telephone doesn’t display the correct time and date: * Check if the IP phone is configured to obtain the time and date from the NTP server automatically. * If your phone is unable to access the NTP server, configure the time and date manually.
Why doesn’t my Yealink Telephone update the configuration?
If your Yealink Telephone isn’t updating its configuration: * Ensure that the configuration is set correctly. * Reboot the phone, as some configurations require a reboot to take effect. * Ensure that the configuration is applicable to the IP phone model. * Be aware that the configuration may depend on support from a server.
Why does the Bluetooth headset affect Yealink Telephone’s voice quality?
Your Yealink Telephone's voice quality may be affected if you use a Bluetooth headset while the 2.4 GHz band is enabled or in an environment with many other Bluetooth devices.
General| Resolution | 480 x 272 pixels |
|---|---|
| Lines | 16 SIP accounts |
| Network Interfaces | 2 x Gigabit Ethernet ports |
| Display | 4.3-inch color LCD with backlight |
| PoE | Yes (802.3af) |
| Audio Features | HD Voice |
| Voice Codecs | G.722, G.711, G.729, G.726, iLBC |
| Expansion Module Support | Yes, up to 3 EXP50 |
| Headset | RJ9, USB, Bluetooth |
| Supported Languages | English, Chinese, German, French, Italian, Spanish, Portuguese, Russian, Turkish |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Operating Humidity | 10 to 95% |
| Wi-Fi | Yes, built-in |
| Bluetooth | Yes, built-in |
| Dimensions | 233 mm x 222 mm x 186 mm |
Information on obtaining additional support documents from Yealink.
Understanding the phone hardware for feature usage.
Navigating and understanding phone status via screens and indicators.
Displaying active and held calls on the phone.
Icons in the status bar indicating phone status like calls and messages.
Icons indicating the function of line keys on the phone.
Methods for entering characters on the T57W phone using keyboard or keypad.
Methods for entering characters on the T54W phone using keypad keys.
Modifying the default account used for placing calls.
Procedures for placing calls in various ways.
Options for answering incoming calls manually or automatically.
Alternating between audio modes during a call.
Rejecting new incoming calls automatically when already in a call.
Silencing or manually rejecting incoming calls.
Enabling Do Not Disturb for all lines to reject calls.
Procedures for ending a current call.
Setting the phone to automatically redial unavailable numbers.
Muting or unmuting the microphone during a call.
Maintaining mute status across calls.
Placing calls on hold and resuming them.
Forwarding incoming calls to another contact or line.
Methods for transferring calls to other contacts.
Creating and managing conference calls.
Recording calls onto a USB drive.
Broadcasting audio announcements to groups of phones.
Monitoring unavailable parties and calling back when they are free.
Answering someone else's incoming call on your phone.
Parking calls and retrieving them from any phone.
Monitoring the status of remote lines using BLF keys.
Monitoring a list of users via BLF List keys.
Using shared call appearance or bridged line appearance.
Quickly connecting with colleagues via intercom calls.
Leaving or listening to voice messages.
Storing, searching, and managing contacts.
Managing frequently called contacts.
Blocking unwanted callers automatically.
Synchronizing and viewing contacts from a mobile phone.
Icons indicating call history status.
Accessing call logs with caller details.
Saving call history entries to the local directory.
Deleting one or all call records from the history list.
Preventing call logs from being saved.
Changing the phone's background image.
Modifying display transparency for readability.
Configuring the phone's screen saver.
Adjusting screen backlight and time settings.
Modifying screen contrast for better visibility.
Selecting the phone's display language.
Setting and formatting the phone's time and date.
Configuring a key to function as the send key.
Personalizing soft key functions.
Protecting the phone from unauthorized use.
Extending line key labels for better visibility.
Locking line keys to maintain position across pages.
Controlling ringer, media, and call volume.
Setting unique ring tones for contacts or groups.
Turning off key press sounds.
Enabling Bluetooth on the phone.
Connecting a Bluetooth headset.
Connecting a mobile phone via Bluetooth.
Connecting multiple Bluetooth devices.
Synchronizing mobile contacts to the phone.
Displaying details of connected Bluetooth devices.
Managing mobile calls using the desk phone.
Renaming the phone's Bluetooth device name.
Removing a paired Bluetooth device.
Temporarily disconnecting a paired Bluetooth device.
Turning off Bluetooth functionality.
Information on using wired, USB, and Bluetooth headsets.
Connecting and using the EXP50 expansion module.
Menu structure for the T57W phone model.
Menu structure for the T54W phone model.
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