2 Software Features
2.1 IP Function
Bridge Function
PPPOE(LLC/SNAP)
DHCP(Client, Server)
IPCP
Static IP Routing
IP Filtering / MAC Filtering
ICMP
Proxy DNS
UPnP
SNMP (Agent & Tool)
IGMP Proxy
NAPT
ALG (Application Layer Gateway)
2.2 Qos Function
ToS
Priority Queuing for Voice
Dynamic Jitter Buffer Control
VAD/CNG
Echo cancellation
ATM Traffic Management
2.3 Voice Functions
MGCP(RFC3435)
G.711a/u-law, G.729A, G.723.1
Echo cancellation : G.165, G.168
Fax Relay : Bypass fax and T.38
DTMF Relay : Bypass, RFC2833
Call Progress Tone Generation
VoIP/PSTN selective or Prefix Dialing, Emergency call routing etc.
Emergency call transfer (Power fail, CA connection fail etc.)
IVR for announcement of system and call status
2.4 DSL Interface
T1.413i2, G.992.1/2/3, 992.5(ADSL2+)
Annex A/B
Annex L (Reach Extended ADSL2)
CBR, VBR, UBR(16VCs)
RFC2684 VC-MUX, LLC/SNAP encapsulation