Navigate to and disable DHCP to enter a static IP, Subnet Mask, and Gateway.
: 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 . mitel-5320e-ip-phone-stuck-on-dhcp-discovery
: Confirm that your router or server has an active DHCP pool with available addresses. If the pool is full, the phone will wait indefinitely. Navigate to and disable DHCP to enter a
: 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. Hold the # key while plugging it back in
: If DHCP continues to fail, you can manually assign an IP address to the phone.
: 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.
When a Mitel 5320e IP phone Go to product viewer dialog for this item.