- SMC ADSL Router User Guide

I
NTRODUCTION
1-2
digital, the encoding and then compression of the signal into Internet
Protocol (IP) packets. The VoIP Router is equipped with a digital signal
processor (DSP), which segments the voice signal into frames and stores
them in voice packets. Using the industry standard CODECs, G.711,
G.723.3 and G.729, these packets are encoded. These IP packets are then
transmitted in accordance with International Telecommunications Union
specification H.323 over the Internet to their destination where the
process is reversed.
Features and Benefits
Internet connection to an ADSL modem via an RJ-11 ADSL port
Local network connection via four 10/100 Mbps Ethernet ports
On-board IEEE 802.11g wireless network adapter
DHCP for dynamic IP configuration, and DNS for domain name
mapping
Firewall with Stateful Packet Inspection, client privileges, intrusion
detection, and NAT
NAT also enables multi-user Internet access via a single user account,
and virtual server functionality (providing protected access to Internet
services such as web, FTP, e-mail, and Telnet)
VPN pass-through (IPSec-ESP Tunnel mode, L2TP, PPTP)
User-definable application sensing tunnel supports applications
requiring multiple connections
Easy setup through a web browser on any operating system that
supports TCP/IP
Compatible with all popular Internet applications