Polycom Version 1.4.x 17 Administrator's Manual page 4

Administrator Guide - SoundPoint
3.1.18 Microphone Mute ......................................................................................................................... 30
3.1.19 Multiple Call Appearances............................................................................................................. 30
3.1.20 Shared Call Appearances .............................................................................................................. 31
3.1.21 Bridged Line Appearances............................................................................................................. 32
3.1.22 Customizable Fonts and Indicators................................................................................................. 33
3.1.23 Soft Key-Driven User Interface...................................................................................................... 34
3.1.24 Speed Dial ................................................................................................................................... 34
3.1.25 Time and Date Display.................................................................................................................. 35
3.1.26 Idle Display Animation ................................................................................................................. 36
3.2 Call Management Features........................................37
3.2.1 Automatic Off-hook Call Placement ................................................................................................. 37
3.2.2 Call Hold........................................................................................................................................ 37
3.2.3 Call Transfer .................................................................................................................................. 38
3.2.4 Three-Way Conference, Local or Centralized .................................................................................... 38
3.2.5 Call Diversion (Call Forward) .......................................................................................................... 38
3.2.6 Directed Call Pick-up ...................................................................................................................... 39
3.2.7 Group Call Pick-up.......................................................................................................................... 40
3.2.8 Call Park / Retrieve ....................................................................................................................... 40
3.2.9 Last Call Return.............................................................................................................................. 41
3.3 Audio Processing Features ........................................41
3.3.1 Low-Delay Audio Packet Transmission ............................................................................................. 41
3.3.2 Jitter Buffer and Packet Error Concealment ..................................................................................... 41
3.3.3 Local Conference Mixing................................................................................................................. 42
3.3.4 Voice Activity Detection (VAD)......................................................................................................... 42
3.3.5 DTMF Tone Generation ................................................................................................................... 43
3.3.6 DTMF Event RTP Payload ................................................................................................................ 43
3.3.7 Acoustic Echo Cancellation (AEC) ..................................................................................................... 44
3.3.8 Audio Codecs.................................................................................................................................. 44
3.3.9 Background Noise Suppression (BNS).............................................................................................. 45
3.3.10 Comfort Noise Fill......................................................................................................................... 45
3.3.11 Automatic Gain Control (AGC)....................................................................................................... 45
3.4 Presence and Instant Messaging Features ...................45
3.4.1 Presence ........................................................................................................................................ 45
3.4.2 Instant Messaging .......................................................................................................................... 46
3.5 Localization Features ...............................................46
3.5.1 Multilingual User Interface ............................................................................................................. 46
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