83 Authorization If xis configured and the IP Phone E is physically connected to the network, the IP Phone E (supplicant) initiates x authentication by contacting the Layer 2/3 switch (authenticator). The IP Phone 1140E also initiates x authentication after the Ethernet connection (network interface only) is restored following a network link failure. However, if the IP Phone E resets, it assumes the Layer 2 link has remained in service and is authenticated. The IP Phone E fails to authorize if the DeviceID and the IP Phone 1140E passwords do not match the DeviceID and IP Phone 1140E passwords provisioned on the RADIUS Server. The Layer 2 switch (authenticator) locks out the IP Phone E and network access is denied. If this happens during reauthorization, all telephone services are lost. The connected PC operates as normal. Device ID The Device ID is for use with the x (EAP) protocol. If the x (EAP) is not used, then there is no prompt to enter the Device ID. Password The Password is for use with the x (EAP) protocol. If the x (EAP) is not used, there is no prompt to enter the Password. DHCP There are three methods of provisioning DHCP. 1. No DHCP (Manual configuration): All the Device Settings parameters are configured manually on the IP Phone E with SIP Firmware. Partial DHCP: The IP Phone E with SIP Firmware is configured to get a standard set of Device Settings parameters from the DHCP server. Full DHCP: The IP Phone E with SIP Firmware is configured to get as many Device Settings parameters as possible from the DHCP server. NO DHCP mode No DHCP mode is also known as Manual Device Settings. In this mode, the IP Phone E does not need a DHCP server because no DHCP requests are sent during startup. All necessary parameters must be configured manually or through the device configuration file. The minimum following parameters must be configured to achieve normal operation:
