Installation Manual
H3C VG 21-08 Voice Gateway
Chapter 1 Product Overview
1-1
Chapter 1 Product Overview
1.1 Introduction
H3C VG 21-08 Voice Gateway (hereinafter referred to as VG
21-08) is a new-generation access device intended for enterprise and
SOHO (Small Office, Home Office) users. It integrates the access of
voice, fax, and data signals over IP networks, functioning to transform
analog voice or fax signals to IP data and forward the data.
The VG 21-08 provides abundant IP telephony features, such as
Voice over IP (VoIP), Fax over IP (FoIP), call control, resources
management, and maintenance management, as well as multiple
coding schemes. It also supports DHCP Client, boasting excellent
price/performance ratio.
The VG 21-08 provides eight FXO ports and two Ethernet
interfaces. So it can connect to the subscriber line of a
program-controlled telephone switching system through the FXO
ports and connect to the Internet through the Ethernet interfaces.
1.2 Hardware Features
1.2.1 Appearance
Figure 1-1
Appearance of the VG 21-08
