84 Device Settings on the IP Phone 1120E with SIP Firmware• Gateway• DNS IP• Provisioning server IP, protocol, and, if user authentication is required toaccess the provisioning server, the user credentialsNote: TFTP protocol does not require user authentication. Device IDand password are ignored. FTP protocol requires user authenticationand the default Device ID is anonymous with no password.HTTP protocol can operate with or without user authentication. Ifno authentication is required, make sure to clear the Device ID andpassword fields in the configuration dialogue.SET IPSelect SET IP in the Device Settings menu to configure the IP address.Net MaskEnter a subnet mask In the Net Mask field.GatewayEnter an IP address of the local gateway in the Gateway field.DNS IPConfigure the Domain Name Server (DNS) IP.Voice VLANConfigure the Voice VLAN.Table 16Telephony Port (incoming)Voice VLAN Setting ResultNo (default setting) All telephony traffic that is transmitted on thetelephony port is forwarded untaggedAuto (Not available if DHCP is set to No) Enable Automatic VLAN Discovery for VoiceVLAN. Initial DHCP request is forwarded basedon the Data VLAN policy (for example, untaggedif Data VLAN is disabled, or tagged with theData VLAN ID if Data VLAN is enabled) to obtainVoice VLAN IDs. Subsequent DHCP requestsusing the acquired Voice VLAN IDs and theresolution of a Voice VLAN determine the finalVoice VLAN ID used for signaling and the mediatraffic on the telephony port. Note: This meansthat if a Data VLAN ID is configured in the IPPhone 1120E and the Voice VLAN is set to Auto(Automatic Voice VLAN Discovery), the DHCPSIP Firmware Release 1.1 for IP Phone 1120E AdministrationNN43112-300 02.03 Standard27 May 2008Copyright © 2008, Nortel Networks.