Yealink Teams T55A User Manual page 51

Why does the phone display "Network unavailable"?
• Ensure that the Ethernet cable is plugged into the Internet port on the phone and the Ethernet cable is
not loose.
• Ensure that the switch or hub in your network is operational.
• Contact your system administrator for more information.
Why does the phone display time and date incorrectly?
Check whether your phone obtains the time and date from the SNTP server automatically. If the phone
fails to connect the SNTP server, contact your system administrator for more information. You can also
configure the time and date manually.
How can I obtain the MAC address of a phone when the phone is not
powered on?
You can use one of the following ways to obtain the MAC address of a phone:
• You can ask your supplier for a shipping information sheet which includes MAC addresses according to
the corresponding PO (Purchase Order).
• You can find the MAC address on the label of the carton box.
• You can also find the MAC address from the phone's bar code on the back of the phone.
Why can't I receive calls?
• Check whether your status is DND mode, if it is, you should reset status.
• Check whether the call forward is enabled on the phone.
Why doesn't my handset work?
• Check that the headset cord is fully connected to the headset jack on the phone.
Checking the IP Address of Teams Phone
Procedure
Navigate to > Settings > Device Settings > About.
| Troubleshooting | 51