IWG240 (IAD)



 

Voice features

 
►Voice gateway between POTS telephones and VoIP
►Incoming and outgoing calls can be routed over either the PSTN or VoIP, with PSTN     switching for up to two FXS ports
►Support for SIP protocols
►Voice processing functions including asymmetric selection of voice codecs (G.711,     G.726, G.729ab)
►Echo cancellation (G.168) – configurable
  ATM Subsystem
 
►Supports up to 8 Virtual Channel Connections (VCCs)
►Supports UBR, GFR, CBR, and VBR service classes
►Provides ATM layer functionality (per I.361)
►Provides adaptation layer (AAL5) functionality (per I.363.5)
►Performs the traffic shaping and scheduling per ATM port
►Supports PPP encapsulation over ATM (PPPoA) and PPP over Ethernet (PPPoE)
  ADSL2+ Subsystem
 


The ADSL subsystem handles all the physical aspects of the ADSL, including line coding, error correction, and interfacing with the 2- or 4-wire local loop. The ADSL subsystem includes the following features:

►Supports fast and interleave latency
►Supports the following types of line coding:
　 DMT: T1.413, G.992.1, G.992.2, G.992.3, G.992.5 with auto-detection
  Bridging/Routing Functionality
 
►Up to 64 hosts
► Transparent bridging as specified in IEEE 802.1D
►Network Address Translation (NAT)
　 SNMP, ICMP, H.323, L2TP, Quake, MRC, ICQ, and CUSeeMe
►Dynamic IP address allocation is supported through:
►Point-to-Point Protocol (PPP)
►Routing Information Protocol (RIP) v1 and v2
  Supported Client/Server Applications
 
►FTP and TFTP client/server
►DHCP client and server
►Telnet server
►HTTP server
►RADIUS client
  Network Management
 
►DSL Forum TR37-compliant autoconfiguration using ILMI to set up access protocols     (e.g., PPPoE, PPPoA) and other settings
►AutoDetect feature enabling automatic configuration of VCI/VPI values
►SNMP agent and tools
►CLI (Command Line Interface) via serial interface or Telnet over Ethernet or DSL
►Web-based Graphical User Interface (GUI) enabling end-user device configuration via     HTTP
►Update of boot image or configuration data over TFTP/FTP
  Security
 
►Firewall
►Network Address Translation (NAT):
►PAP/CHAP authentication on PPP connections
►Embedded Firewall
►User-configurable IP- and MAC-level packet filtering to accept/deny packets based on     layer 3 or layer 2 rules.
  VPN (under developing)
 
►Virtual private network solution via an embedded encryption engine•
►Point to-point tunneling protocol (PPTP)
►Layer 2 tunneling protocol (L2TP).
  Wireless LAN 802.11g
 
LAN Interface:
►Fully integrated IEEE 802.11g-compliant MAC, baseband, and modem functions
►Supports 802.11g data rates of up to 54 Mbps with automatic fallback to 48, 36, 24,18,     12, 9, and 6 Mbps
►Supports 802.1lb data rates of up to 11 Mbps with automatic fallback to 5.5, 2, and
    1 Mbps
►OFDM modulation with full-duplex MAC and half-duplex baseband
►Multiple radio interfaces
►Supports 64 and 128-bit WEP, WPA, and 802.1x