VoIP ADSL products

	DrayTek Vigor 2700V (VoIP, 2 VPN)

1. ADSL2/2+ Compliance

* ANSI T1.413 Issue2
* ITU-T G.992.1 G.dmt
* ITU-T G.992.3 ADSL2 G.dmt.bis
* ITU-T G.992.5 ADSL2+

2. ATM Protocols

* RFC2684 MPoA ( Multiple Protocol over AAL5)
* RFC2516 PPPoE ( PPP over Ethernet)
* RFC2364 PPPoA ( PPP over AAL5)
* PPPoE pass-throuth from LAN
* Transparent bridge for MPoA

3. VoIP

* Protocol : SIP,RTP/RTCP
* Six SIP Registrars
* Jitter buffer (125ms)
* Codec Features :
o G.711A / µ law
o G.723.1
o G.726
o G.729 A/B
o VAD/CNG
o G.168 Line Echo-Cancellation
* FAX/Modem Support:
o G.711 Pass-through
o T.38 for FAX
* Supplemental Services:
o Call Hold/Retrieve
o Call transfer
o Call Forwarding ( Always, Busy and No Answer )
o DND ( Do Not Disturb )
o Hotline
* PSTN loop-through

4. Virtual Private Network (VPN) Facilities

* Up to 2 VPN tunnels
* Supported protocol : PPTP , IPSec , L2TP , L2TP over IPSec
* Encryption : AES , MPPE and hardware-based DES / 3DES
* Authentication : MD5 , SHA-1
* IKE authentication : pre-shared key and digital signature ( X.509 )
* LAN-to-LAN , Teleworker-to-LAN
* DHCP over IPSec
* Dead Peer Detection ( DPD )
* VPN Pass-Through
* IPSec NAT-Traversal ( NAT-T)

5. QoS ( Quality of Service )

* Grarantee bandwidth for VoIP
* Class-based bandwidth guarantee by user-defined traffic categories
* DiffServ Code Poing classifying
* 4-level priority for each direction ( Inbound / Outbound )
* Bandwidth borrowed
* Automatic WAN speed detection

6. Firewall Facilities

* IM/P2P blocking
* Mult-NAT, DMZ host, port-redirect / open port
* Rule-based packet filtering
* SPI ( Stateful Packet Inspection )
* DoS / DDoS protection
* IP address anti-spoofing
* Logging via syslog

7. Network Features

* IGMP proxy / Snooping
* DHCP client / relay / server
* Dynamic DNS
* SNTP client
* Call scheduling
* RADIUS client
* DNS cache / proxy
* UPnP
* Routing protocol :
o Static routing
o RIP V2

8. Content Filtering

* URL keyword blocking ( Whitelist and Blocklist )
* Java applet , cookies , Active X , compressed , executable , multimedia file blocking
* Web Content Filter ( SurfControl )
* Time Schedule Control

9. Router Management

* Web-based user interface ( HTTP/ HTTPS )
* Quick Start Wizard
* CLI ( Command Line Interface, Telnet / SSH* )
* Administration access control
* Configuration backup / restore
* Build-in diagnostic function
* Firmware upgrade via TFTP / FTP
* Syslog
* SNMP management MIB-II