: If DHCP continues to fail, you can manually assign an IP address to the phone.
Navigate to and disable DHCP to enter a static IP, Subnet Mask, and Gateway. mitel-5320e-ip-phone-stuck-on-dhcp-discovery
: 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. : If DHCP continues to fail, you can
: 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 . If the switch port isn't configured to "tag"
is stuck on "DHCP Discovery," it means the device is powered on but cannot obtain an IP address from your network's DHCP server . This is a common hurdle during setup or after network changes. Core Troubleshooting Steps