: 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
When a Mitel 5320e IP phone Go to product viewer dialog for this item. mitel-5320e-ip-phone-stuck-on-dhcp-discovery
: 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 . : Rule out hardware failure by swapping the
: 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. Unplug the power/Ethernet
: Confirm that your router or server has an active DHCP pool with available addresses. If the pool is full, the phone will wait indefinitely.
: 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.