Navigate through the menu using the keys to find and select Yes .

: Mitel systems often require specific DHCP Options (like Option 43 or 125) to tell the phone where the MiVoice Business controller is located. If these aren't set correctly in your DHCP server, the phone may loop during discovery.

: Rule out hardware failure by swapping the Ethernet cable or plugging the phone into a known working port used by another IP phone. Advanced Fixes

: Mitel phones often operate on a specific Voice VLAN. If the switch port isn't configured to "tag" the voice traffic or if the DHCP server isn't listening on that specific VLAN, the discovery process will fail.

: This clears any residual configurations that might be blocking the connection. Unplug the power/Ethernet. Hold the # key while plugging it back in. When "Configure Phone?" appears, select * for Yes .

When a Mitel 5320e IP phone Go to product viewer dialog for this item.

: Ensure the Ethernet cable is securely plugged into the LAN port (not the PC port) on the back of the phone and connected to a live network switch.