Vlsi VS1000+1003 Manuals

Manuals and User Guides for Vlsi VS1000+1003. We have 1 Vlsi VS1000+1003 manual available for free PDF download: User Manual

Vlsi VS1000+1003 User Manual

Vlsi VS1000+1003 User Manual (30 pages)

VoIP Speaker Phone

Brand: Vlsi | Category: Telephone | Size: 0.69 MB

Table of Contents

Table of Contents
2
Introduction
5
Voip Speaker Phone Demonstration Unit
5
1 Introduction

6
2 Characteristics and Speciﬁcations

6
- Analog Characteristics
  6
- Echo Cancellation Characteristics
  6
3 Features

7
- Voip Speaker Phone Features
  7
- Mass Storage Device Features
  7
- Media Player Features
  7
- User Interface
  8
  - The User Interface
    8
  - Buttons
    9
  - Leds
    9
- State Machine
  10
- VS1000+VS1003 Voip Speaker Phone State Machine
  10
- Battery Operation and Battery Charging Logic
  11
- Feature List
  12
4 Using the Voip Speaker Phone

13
- Preparation
  13
- Using as Voip Speaker Phone
  14
  - Setup
    14
  - Placing a Call
    15
  - Recording a Call
    15
- Using as Mass Storage Device
  16
  - Setup
    16
  - Using as Media Player
    17
  - Setup
    17
  - Using the Player
    17
  - Voice Recording
    17
  - Loading New Software
    18
- How to Connect an RS232 Adapter to Vlsi's Voip Board
  18
- Two Possible RS232 Jumper Conﬁgurations in some Adapters
  18
- Voip Conversation Using Two Headsets
  20
- Echo Cancellation Helps Reducing Speaker Echo
  21
- Voip Conversation Using Microphone and Speaker, no Echo Cancellation
  21
- Voip Conversation Using Voip Speaker Phone with Echo Cancellation
  21
  - Performance of Echo Cancellation
    22
  - Limits of Echo Cancellation
    22
  - Schematics
    23
- Voip Speaker Phone Schematics
  24
- Voip Speaker Phone Schematics
  25
  - Layout Files
    26
  - Document Version History
    27
  - Further Help
    29
  - Contact Information
    30

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