How to reset my Yealink IP Phone to factory settings?
To reset your Yealink IP Phone to factory settings: 1. First try all troubleshooting suggestions. 2. Go to Menu->Settings->Advanced Settings (default password: admin) ->Reset Config->Reset to Factory Settings. 3. Tap the Enter soft key. 4. Tap the OK soft key.
Why does my Yealink IP Phone display “No Service”?
The LCD screen displays “No Service” when no SIP account registers successfully.
Why can't I receive calls on my Yealink IP Phone?
If you're not receiving calls on your Yealink IP Phone, here are a few things to check: * Confirm SIP registration with your system administrator. * Ensure DND (Do Not Disturb) mode is deactivated. * Verify call forwarding is disabled. * Check if the caller's number is in the blacklist directory.
How to upgrade firmware on Yealink IP Phone?
To upgrade the firmware on your Yealink IP Phone: 1. Go to Settings->Upgrade. 2. Click Browse to find the firmware file on your local system. 3. Click Upgrade to start the firmware upgrade process. 4. A prompt will appear: “Firmware of the SIP Phone will be updated. It will take 5 minutes to complete. Please don't power off!”. 5. Click OK to confirm.
What to do if my Yealink IP Phone displays "Network unavailable"?
If your Yealink IP Phone displays "Network unavailable", check these items: * Ensure the Ethernet cable is properly connected to the Internet port on the phone and is not loose. * Verify that the switch or hub in your network is working correctly.
Why doesn't my Yealink IP Phone ring?
If your Yealink IP Phone isn't ringing, check the ringer volume on the phone.
How do I reboot my Yealink IP Phone?
To reboot your Yealink IP Phone, go to Settings->Upgrade, and then click Reboot.
How to fix a blank LCD screen on my Yealink IP Phone?
If the LCD screen on your Yealink IP Phone is blank, try the following: * Make sure the phone is properly plugged into a working AC outlet. * Confirm the phone is plugged into a socket controlled by a switch, and the switch is on. * If using a power strip, try plugging the phone directly into a wall outlet. * If your CP920 IP conference phone is powered by PoE, ensure you are using a PoE compliant switch or hub.
How to export PCAP trace from Yealink IP Phone?
To export a PCAP trace from your Yealink IP Phone: 1. Go to Settings->Configuration. 2. Click Start to begin capturing signal traffic. 3. Recreate the error you want to document in the trace. 4. Click Stop to stop the capture. 5. Click Export to open the file download window, and then save the file to your local system.
How do I export all diagnostic files from my Yealink IP Phone?
To export all diagnostic files from your Yealink IP Phone: 1. Go to Settings->Configuration. 2. Click Start to begin capturing signal traffic. 3. Reproduce the issue. 4. Click Stop to stop the capture. 5. Click Export to open the file download window, and then save diagnostic files to your local system. If the issue cannot be reproduced, just directly click Export to export all diagnostic files.
General| Control type | Buttons |
|---|---|
| Display type | LCD |
| Product type | IP conference phone |
| Voice codecs | CNG, G.722, G.722.1C, G.723, G.726, OPUS, VAD, iLBC |
| Certification | CE |
| Product color | Stainless steel |
| Built-in display | Yes |
| Display diagonal | 3.1 \ |
| Display resolution | 248 x 120 pixels |
| Phonebook capacity | 1000 entries |
| Security algorithms | HTTPS |
| Ethernet LAN data rates | 10, 100 Mbit/s |
| Ethernet interface type | Fast Ethernet |
| Microphone direction type | Omnidirectional |
| AC input voltage | 100 - 240 V |
| USB version | 2.0 |
| Storage temperature (T-T) | -10 - 40 °C |
| Operating relative humidity (H-H) | 10 - 90 % |
| Harmonized System (HS) code | 85176990 |
Weight and Dimensions| Depth | 298 mm |
|---|---|
| Width | 307.8 mm |
| Height | 66.9 mm |
| Package depth | 364 mm |
| Package width | 336 mm |
| Package height | 112 mm |
To Next Page
