Contents1 Introduction ................................................................................................................................................ 1-11.1 Appearance of an IP Phone ............................................................................................................................... 1-11.2 Icon Description ................................................................................................................................................. 1-31.3 LED Indicator ..................................................................................................................................................... 1-31.4 Hardware Specifications .................................................................................................................................... 1-41.5 Character Mapping Table .................................................................................................................................. 1-52 Initial Connection and Settings ................................................................................................................ 2-12.1 Power and Network Connections ....................................................................................................................... 2-12.1.1 Connecting to a Network ........................................................................................................................ 2-12.1.2 Connecting to the Power Outlet .............................................................................................................. 2-22.2 Basic Initialization .............................................................................................................................................. 2-22.2.1 Network Settings .................................................................................................................................... 2-23 Phone Function.......................................................................................................................................... 3-13.1 Basic Function ................................................................................................................................................... 3-13.1.1 Making a Call .......................................................................................................................................... 3-13.1.2 Answering a Call ..................................................................................................................................... 3-13.1.3 DND ........................................................................................................................................................ 3-23.1.4 Call Forward ........................................................................................................................................... 3-23.1.5 Call Hold ................................................................................................................................................. 3-23.1.6 Call Waiting ............................................................................................................................................ 3-23.1.7 Mute ....................................................................................................................................................... 3-23.1.8 Call Transfer ........................................................................................................................................... 3-33.1.9 Three-Way Conference Call ................................................................................................................... 3-33.1.10 Multiple-Way Call .................................................................................................................................. 3-33.1.11 Multi-line ............................................................................................................................................... 3-33.2 Advanced Function ............................................................................................................................................ 3-43.2.1 Call Pickup.............................................................................................................................................. 3-43.2.2 Join Call .................................................................................................................................................. 3-43.2.3 Redial/Unredial ....................................................................................................................................... 3-43.2.4 Click to Dial............................................................................................................................................. 3-53.2.5 Call Back ................................................................................................................................................ 3-53.2.6 Auto Answer ........................................................................................................................................... 3-53.2.7 Hotline .................................................................................................................................................... 3-53.2.8 Application .............................................................................................................................................. 3-53.2.9 Ping ........................................................................................................................................................ 3-63.2.10 Programmable Key Configuration ......................................................................................................... 3-63.3 Other Functions ................................................................................................................................................. 3-83.3.1 Auto Handdown ...................................................................................................................................... 3-83.3.2 Ban Anonymous Call .............................................................................................................................. 3-83.3.3 Ban Outgoing.......................................................................................................................................... 3-93.3.4 Dial Plan ................................................................................................................................................. 3-9