Your Yealink SIP-T23P or SIP-T23G phone LCD display shows the message Network Unavailable. There is no dial tone, and you are unable to make or receive calls.
Yealink SIP-T23P, Yealink SIP-T23G
Ensure Network Connection
- Ensure that the Ethernet cable is completely plugged into the Internet port on the phone, and that the Ethernet cable is not loose.
- Ensure that the switch or hub in your network is operational.
- Contact your system administrator for more information on properly connecting to your network.
The phone is unable to connect to the network, likely due to cabling or equipment issues.