1. | Polycom Conference Phone IP 430 SIP User Guide POLYCOM User Guide SoundPoint IP 430 SIP 2 0 SoundPoint IP 430 SIP U8ER GUIDE Contents Introduction 1 Parts List 1 Installing SoundPoint IP 430 SIP Connecting Network and Power Source Connecting the Handset and Optional Headset Attaching the Base Features Key Descriptions Using SoundPoint IP 430 SIP Placing a Call Answering a Call Call Hold and Resume Multiple Calls on Hold Microphone Mute General Key Use Local Confe |