Preamble of Vigor2500V series
4
1.2 Highlights
VoIP
G.168 Line Echo-cancellation
Gain Control
Jitter Buffer (250ms)
Voice CODEC: G.711 A/u law, G.729
A/B, VAD/CNG
Tone Generation and Detection: DTMF,
Dial, Busy, Ring Back
Protocol: SIP, RTP/RTCP
ADSL
Compatible with ADSL lines up to 8
Mbps.
Support PPPoE, PPPoA, MPoA
LAN
4 port 10/100 Base-TX Ethernet switch
DHCP server for IP assignment (up to
253 users)
DNS cache and proxy
Network Features
DHCP server / relay
Dynamic DNS
Call Scheduling
Firewall
Stateful Packet Inspection
Selectable DoS/DDoS protection
IP address anti-spoofing
User-configurable packet filtering
NAT/PAT with Port
Forwarding/Redirection & DMZ
E-mail alerting mechanism
E-mail Detection
Detect user-defined e-mails and hold
them in mail server (POP3).
Flexible URL Content Filtering
URL blocking by user-defined keywords
Preclude web surfing from using directly
IP address
Java/ActiveX/cookies/proxy blocking
Executable/compressed/multimedia files
blocking
Time schedule support
Application Support
Windows Messenger, Yahoo Messenger,
MSN Messenger V6.0, NetMeeting,
ICQ2001b/2002a, most online gaming,
and other multimedia applications
UPnP protocol support
Router Management
Web-based User Interface
Command line interface (Telnet)
Telnet remote access support
Built-in diagnostic tools
Quick Start Wizard
Attack alert by e-mail
Syslog Monitoring
ISDN Facilities (for Vigor2500Vi only)
Compatible with Euro ISDN
Automatic ISDN backup
Support for 64/128kbps (multilink-PPP)
Bandwidth on demand (automatically
switches between 64kbps and 128kbps)
LAN-to-LAN connectivity
Remote Activation
Virtual TA
Routing Support
RIPv2 (not applicable to the UK)
Static Route (not applicable to the UK)
