Table of ContentsITable of ContentsAbout this Guide ..........................2Overview.......................................2Firmware Installation Methods ...3Installation Considerations ......3Installation Requirements ........3Configuration ServerRequirement ...........................3Firmware/Configuration Files.....4Configuration Methods .............4Installing the Firmware/Configuration Files ................4Configuration File Precedence 5IP Phone UI Configuration..........6Using the Options Button.........6Administrator Level Options ....6Aastra Web UI Configuration....10Status .......................................10Operation .................................10Basic Settings .........................11Advanced Settings ..................11Enabling/Disablingthe Aastra Web UI ................11Configuring the IP Phone..........12Basic Network Settings ..........12DHCP........................................12Configuring Network Settings13Configuration Server Protocol ...13Advanced Network Settings ...16Network Address Translation(NAT) ....................................16Configuring NAT (optional) ....17Configuring NAT Addressand Port (optional) ...............18Configuring Virtual LAN (op-tional) ....................................18Configuring Qualityof Service (QoS)(optional)...............................19Network Time Servers ............19Session InitiationProtocol (SIP) Settings ........20SIP Server (SRV) Lookup........21Real-time TransportProtocol (RTP) Settings .......25Operational Features.................27User Passwords ......................28Administrator Passwords .......29Softkeys/Programmable Keys29Busy Lamp Field (BLF)(480i/480i CT/9133i only)......33Do Not Disturb (DND) ..............36Call Forwarding .......................36Callers List ...............................39Missed Calls Indicator ............40Directory List ...........................42Voicemail(480i/480i CT only)................47XML Customized Services .....48SIP Local Dial Plan..................51Language .................................53Encryption and theIP Phone......................................54Configuration File EncryptionMethod...................................54Procedure to Encrypt/DecryptConfiguration Files...............55Firmware Upgrade .....................57Setting Parameters in Configura-tion Files .....................................59Configurable Parameters ..........60Network Settings .....................60Password Settings ..................62Configuration Server ProtocolSettings .................................63Network Address Translation(NAT) Settings ......................67Time Server Settings ..............69SIP Local Dial Plan Settings ...71..................................................72General SIP Settings ...............72SIP Global Settings.................76SIP Per-Line Settings ..............80Voicemail Settings ..................84XML Settings ...........................86