Huawei TE10 Product Overview page 25

TE10 Videoconferencing Endpoint
Product Overview
Figure 5-3 Security networking
On this network, the TE10 is connected to the Multipoint Control Unit (MCU) through the
private network, which connects to different networks through different ports. The TE10 on
the private or public network can join the conference even if the firewall settings (such as
enabled ports) are not changed.
Firewall Technology (NAT)
The firewall protects your IP network by separating the internal and external network
communication data. Using Network Address Translation (NAT) technology and exchanging
signaling between public network protocols and private network protocols, the firewall
enables sites on local area networks (LANs) in different places to enjoy the convenience of
communication through video conferences. With NAT, a device on an LAN is allocated a
dedicated internal IP address that uniquely identifies the device on that LAN, and the device
uses an external IP address to communicate with external devices. Through NAT mapping,
multiple internal IP addresses are mapped to one external IP address. NAT mapping not only
Issue 01 (2016-08-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
5 Functions and Features
19