Physical Interface

• Ethernet port (RJ-45, 10/100 base-T)
• 1-WAN port, for connect to router, ADSL modem (ATU-R), or switch hub directly.
• 4-LAN port, for PC or other network devices connecting.
• Telephony port (RJ-11)
• 8-FXS ports, to connect with analog phone (POTS)
• Reset button (Factory Default)
• AC power Jack
• Status indicated LED
• Indicates Ethernet, FXS, and SIP system status

Specifications

• IP Network connection
• IPv4 (RFC 791)
• MAC Address (IEEE 802.3)
• PPPoE Client (RFC 2516)
• DNS Client
• DHCP Client (RFC 2131)
• DHCP Server (RFC 2131)
• NAT (RFC 1631)
• TCP/UDP (RFC 793/768)
• ICMP (RFC 792)
• RTP/RTCP (RFC 1889/1890)
• SNTP (RFC 2030)
• TFTP Client
• Telnet Server
• HTTP Server
• QoS: DiffServ (RFC 2475) / ToS (RFC 791/1349)
• IP Telephony (VoIP)
• SIPv2 (RFC 3261)
• Session Timer (RFC 4028)
• Outbound proxy setting for increasing Performance, Productivity, and security.
• SIP proxy redundancy- Setting Primary and Secondary proxy by IP or URI.
• Voice Codecs
• G.711 (a-Law/u-Law)
• G.723.1: 6.3k bits
• G.729A
• G.729
• VAD – Voice Activity Detection with Silence Suppression
• CNG – Comfortable Noise Generation
• Silence Suppression
• Echo Cancelation (G.165/G.168)
• Signaling Protocol: Loop Start
• Jitter Buffer – Adaptive & Configurable
• Packet Loss Compensation - increasing voice quality
• DTMF: In-band, Out-of-band (RFC 2833), and SIP-Info
• Caller ID Generation – FSK
• FAX transmission:
• G.711 pass-through
• T.38 Fax relay
• Tone Generation:
• Ringing Tone
• Ring Back Tone
• Dial Tone
• Programmable Tone
• Call Features
• Call Hold
• Call Transfer (Blind & consultant)
• Call Forward (Unconditional / No Answer / Busy)
• MWI – Message Waiting Indiacation
• IP line hunting
• Adjustable volume level
• Security
• HTTP 1.1 basic/digest authentication for WEB access
• MD5 for SIP authentication (RFC 2069/2617)
• Password protected Admin access authority

Setting and maintenance

• Configure & Update method
• Web Browser (HTTP)
• Telnet
• FTP/TFTP
• Voice announcement of IP address

Environmental

• Dimension: 35 × 242 ×160 mm (Desktop)
• Weight: 0.935kg (unit)
• Operating Temp. & Humidity
• Temp.: 0°C~45°C (32°F~113°F)
• Humidity: 10%~85% relative humidity, non-condensing
• Storage Temp. & Humidity
• Temp.: 0°C~55°C (32°F ~131°F)
• Humidity: 10%~95% relative humidity, non-condensing
• AC Power Adaptor:
• INPUT: AC100V~240V, 50/60Hz
• OUTPUT: DC 12V, 3.0A
• Regulatory: FCC (Part 15, Class B) & CE Processing