Introduction; V422 Overview; Features - NetComm V422 Quick Start Manual

Introduction

This document gives a brief introduction to the V422 and V431 VoIP Gateway and basic sample configuration when
using MyNetFone VoIP Service.

V422 Overview

Features

 VoIP Protocol
 SIP(RFC3261) compatible
 VoIP Audio Code
 G.729A
 G.711 a/ulaw
 G.726
 G.723.1
 DTMF Relay
 In-Band DTMF
 Out-of-Band DTMF(RFC2833.SIP INFO)
 Voice Features
 CNG (Comfort Noise Generation)
 VAD (Voice Activity Detection)
 Silence suppression/detection
 Echo Cancellation (G.165/G.168)
 Adjustable Jitter Buffer and programmable Gain Control
 Multiple SIP Proxy server entries with failover mechanism
 FXO hang up detection: Busy Tone cadence auto learning/detection
 Support VoIP-to-PSTN (transit out) /PSTN-to-VoIP (transit in) applications
 Digit Map for dial plan
 Telephone Function
 LifeLine (enables a backup PSTN service in case of your VoIP service is unavailable)
 Polarity reversal detection (FXO/PSTN) and generation (FXS)
 DTMF, Caller ID detection and generation
 Hot-Line, Warm-Line support
 Group Hunting function
 Recordable greeting message
 Single Number/Account for multiple ports
 VoIP call function
 Call Transfer – Unattended, Attended
 Call Waiting
 Call Hold/Resume
 Call Forward – Unconditional, Busy, No Answer
 Call Switch
 WAN
 One 10/100Mbps Ethernet port
 Support Static IP, PPPoE, Bigpond Cable ,DHCP and DDNS;
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