Cisco 6861 Multiplatform IP Phone - CP-6861-3PW-UK-K9=

No, the Cisco 6861 does not support PoE. It requires a separate AC adapter or a power injector for power.

It features a 3.2-inch greyscale LCD display.

The phone supports wired headsets via the RJ-9 port with EHS adaptors. It does not have built-in Bluetooth for wireless headset connectivity.

The Cisco 6861 supports up to 4 lines and 4 SIP registrations.

It supports Wi-Fi 802.11b, 802.11g, and Wi-Fi 4 (802.11n).

Yes, the Cisco IP Business Phone 6861 typically includes an AC power adapter.

The phone comes with a 1-year limited hardware warranty.

Ensure the AC adapter is securely connected to the phone and a working power outlet. If using a power injector, verify its connection and power source.

Verify Wi-Fi is enabled on the phone. Check that you are within range of your Wi-Fi router and that the network credentials (SSID and password) are entered correctly. Ensure your network is using supported 802.11b/g/n standards.

Check the Ethernet cable connection to the network and the phone. Verify that the phone is registered with your IP telephony platform. Consult your system administrator to confirm account status and network configuration.

Check the network connection for stability (both wired and wireless). Ensure the handset cord is securely connected. If using a headset, try removing it to see if the issue persists with the handset. Clean any debris from the microphone and speaker.

Ensure the keys are correctly configured within your call control system. Reboot the phone to apply any recent configuration changes.