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Product features:
4-Port VoIP Trunk Gateways
General features:
VoIP
Analog Interface
• 4 RJ-11 FXO ports
• Loop start signaling protocol
• Reversed polarity detection
 
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
• In-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 learning/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)
 
IP Network
• 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/PAT, 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
 
Operation & Maintenance
• Management/Configuration
• Web-based & Telnet user interfaces with password authentication
• Configuration, port status, registration status, hardware/software information in web-based & Telnet UI
• IVR (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
 
Diagnostic LEDs
• Voice ports
• WAN port
• LAN ports
• Run
• Power
• Alarm
 
Power Input
• DC 12V
• Through AC 100V to 240V 50/60Hz input power adapter
 
Dimensions
• 202 x 172 x 35 mm
 
Weight
• 430 grams
 
Operating Temperature
• 0 to 45 C
 
Storage Temperature
• -25 to 75 C
 
Operating Humidity
• Up to 90%RH, non-condensing
 
Certification
• FCC Class B
• CE
 
Safety
• UL


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