User Manual
H3C VG 10-10/10-11 Voice Gateway
Chapter 1 Product Overview
1-1
Chapter 1 Product Overview
1.1 Introduction
1.1.1 About VoIP
The traditional Public Switched Telephone Network (PSTN) uses circuit switching to
transmit voice signals. The conversation between the calling and called parties is
carried on a real-time circuit connection. Based on IP packet switching network, the
voice over IP (VoIP) technology is used to compress and packetize analog voice
signals, and the signals will be transmitted in the form of connectionless IP packets.
By employing VoIP technology, you can use IP phone on the IP-based data
communication networks, such as enterprise local area network (LAN), wide area
network (WAN) and Internet. IP phone can reduce the phone charge and guarantees
the voice quality when you make long-distance calls.
1.1.2 About the Product
Huawei-3Com Technology Co,, Ltd. developed H3C VG 10-10/10-11 Voice Gateway
(hereinafter referred to as VG 10-10/10-11) for small and medium-sized enterprises,
and SOHO (small office, home office) users. VG 10-10/10-11 is a new-generation
access device, providing a solution for integrating voice, fax and data within a single
network. It is mainly used to convert between analog voice signals/fax signals and IP
data.
The VG 10-10/10-11 delivers an exceptional price/performance ratio for users,
providing rich IP telephone features, such as voice over IP (VoIP), fax over IP (FoIP),
call control, and maintenance and management. Furthermore, it provides multiple
coding/decoding modes and supports DHCP client function.
VG 10-10 provides one PHONE port and two Ethernet ports (WAN port and LAN port).
The PHONE port is used to connect ordinary analog phone sets and fax machines. The
Ethernet ports operate in non-forwarding mode and provide functions similar to hubs by
using switching chips. WAN port is used to connect the LAN and Internet, and LAN port
is used to connect PC.
VG 10-11 provides one LINE port, one PHONE port and two Ethernet ports (WAN port
and LAN port). The LINE port is used to connect the local telephone line (or the line of a
stored program control telephone) and the PHONE port is used to connect ordinary
analog phone sets and fax machines. The Ethernet ports function in non-forwarding
mode and provide functions similar to hubs using switching chips. WAN port is used to
connect the LAN and Internet, and LAN port is used to connect PC.
