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Administrator’s Guide - SoundPoint
®
IP / SoundStation
®
IP Table of Contents
iv Copyright © 2006 Polycom, Inc.
3.1.17 Local Contact Directory................................................................................................................. 38
3.1.17.1 Local Contact Directory File Format.......................................................................................39
3.1.18 Local Digit Map............................................................................................................................ 40
3.1.19 Microphone Mute ......................................................................................................................... 41
3.1.20 Multiple Line Keys per Registration ............................................................................................... 41
3.1.21 Multiple Call Appearances............................................................................................................. 42
3.1.22 Shared Call Appearances .............................................................................................................. 43
3.1.23 Bridged Line Appearances............................................................................................................. 45
3.1.24 Busy Lamp Field........................................................................................................................... 47
3.1.25 Customizable Fonts and Indicators................................................................................................. 47
3.1.26 Soft Key-Driven User Interface...................................................................................................... 48
3.1.27 Speed Dial ................................................................................................................................... 48
3.1.28 Time and Date Display.................................................................................................................. 49
3.1.29 Idle Display Animation ................................................................................................................. 51
3.2 Call Management Features........................................51
3.2.1 Automatic Off-hook Call Placement................................................................................................. 51
3.2.2 Call Hold........................................................................................................................................ 52
3.2.3 Call Transfer .................................................................................................................................. 52
3.2.4 Three-Way Conference, Local or Centralized.................................................................................... 53
3.2.5 Call Diversion (Call Forward) .......................................................................................................... 54
3.2.6 Directed Call Pick-up ...................................................................................................................... 54
3.2.7 Group Call Pick-up.......................................................................................................................... 55
3.2.8 Call Park / Retrieve ....................................................................................................................... 55
3.2.9 Last Call Return.............................................................................................................................. 56
3.3 Audio Processing Features ........................................56
3.3.1 Low-Delay Audio Packet Transmission............................................................................................. 56
3.3.2 Jitter Buffer and Packet Error Concealment ..................................................................................... 56
3.3.3 Voice Activity Detection................................................................................................................... 57
3.3.4 DTMF Tone Generation ................................................................................................................... 58
3.3.5 DTMF Event RTP Payload ................................................................................................................ 58
3.3.6 Acoustic Echo Cancellation (AEC) ..................................................................................................... 58
3.3.7 Audio Codecs.................................................................................................................................. 59
3.3.8 Background Noise Suppression (BNS).............................................................................................. 60
3.3.9 Comfort Noise Fill........................................................................................................................... 60
3.3.10 Automatic Gain Control (AGC)....................................................................................................... 60