گیت وی ویپ دی لینک DVG-6008S

Analog Interface: 8 RJ-11 FXO ports
-Voice Features
SIP (RFC3261) compatible
SIP method: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY ,OPTIONS,PING, PRACK, PUBLISH, REFER, REGISTER, SUBSCRIBE, UPDATE
SIP Extension: Session Timer (UPDATE or re-INVITE), Proxy Required, P-Asserted (RFC3325), MWI (RFC3842)
Voice CODEC: G.711 a /u law, G.726, G.729A, G.723.1
CNG (Comfort Noise Generation)
VAD (Voice Activity Detection)
Silence suppression/detection
G.165/G.168 echo cancellation
Adaptive Jitter Buffer and programmable Gain Control
n-Band DTMF, Out-Of-Band DTMF relay (RFC2833, SIP INFO)
Multiple SIP Proxy server entries with fail-over mechanism
T.30 (G.III) / Real time T.38 / Secured T .38 FAX relay
DTMF, FSK (Bellcore & ETSI) Caller ID detection and generation
Caller ID Restriction (CLIR) support
FXO hang up detection: Busy Tone cadence auto earning/detection
Single Number / Account for multiple ports
Group hunting function
Digit Map
E.164 Numbering & ENUM support
Recordable greeting message
Hot-Line, Warm-Line support
-Call Features
Call Hold, Call Waiting, Call Pickup
Call Forward - Unconditional, Busy, No Answer
Call Transfer - Unattended, Attended
Speed Dialing, Repeat Dialing, Three Way Calling (Media Server required)
-WAN Port
RJ-45 10/100BASE-TX Ethernet port supporting Nway
auto-negotiation, auto-detection/adjustment of MDI/MDIX
Static IP , PPPoE, PPtP , Bigpond Cable and DHCP address assignment support
QoS: IP TOS (IP Precedence), DiffServ, Port Priority
NAT traversal: STUN, UPnP , OUTBOUND PROXY
Pass-through NAT
NAP: (Network Time Protocol RFC 1305), accepts up to 3 Time Servers Time Zones
DDNS: DynDns.org, TZO, PeanutHull, 3322.org
RTP Packet Summary: packet sent, packet received, packet loss MAC address clone
-LAN Ports
4 RJ-45 10/100BASE-TX Ethernet ports supporting
NWay auto-negotiation, auto-detection/adjustment of MDI/MDIX NAT/PA T, DHCP Server , DMZ, Virtual Server, MAC/IP/port- based filtering
QoS: port based priority (Hi/Low) with rate limit Router or Bridge Mode
-DoS Prevention
Attack prevention based on TCP , UDP , IP , ICMP protocols
Prevents SYN Flood, IP Spoofing, Ping of Death, Tear Drop DoS attacks
-Management/Configuration
Web-based & Telnet user interfaces with password authentication Configuration, port status, registration status,
hardware/software information in web-based & Telnet UI
VR (Interactive Voice Response) configuration engine
Reset button (factory default setting restoration)
Optional Auto Provisioning Server (APS) for mass
deployment with less dispatch
SNMP v.1/v .2c support
Ping test
Inpout power: DC 12V Through AC 100V to 240V 50/60Hz input power adapter
Dimension: 302 x 179 x 45 mm