| 1. Hardware specifications
| | | | Processor Unit | | | | ARM7TDMI RISC Core based MCU(72MHz) | | | | 2MB Flash | | | 8MB SRAM (Expandable up to 16MB) |
| | | | | WAN Interface | | | | 1 port 10/100Base-T Ethernet Interface | |
| | | | | LAN Interface | | | | 1 port 10/100Base-T Ethernet Interface | |
| | | | | IP telephony Gateway Interface | | | | 1 port FXS type Interface | | | Tone(DTMF) Generator/Detector | | | G.711 and G.723.1(or G.729a) Voice Codec DSP Supported | |
| | | | PSTN Backtelephony Gateway Interface | | | | Can call to PSTN by IP disconnection or user intention. | | | | Can connect directly PSTN line when AC power fail. |
| | | | Certification | | | | FCC Part68, Part15 Class B | | | | MIC Approval ( Korea ) |
| | | | | Dimension : 105 * 135 * 30 | | | | | | | Power Supply : DC 12V/1.0A adapter | |
| | | | Operating Enviroment | | | | Humidity : 0 ~ 95 % | | | | Temperature : 0 ~ 50 ?C |
2. Software specifications | | | | OS : Embedded Linux (Version 2.4.17) | |
| | | | | Network Protocols | | | | Transparent Bridging | | | DHCP Client capability to get IP and DNS Server | | | DHCP Server to assign IP to the internal terminal | | | PPPoE (RFC2516) | |
| | | | IP sharing and Filtering | | | | NAT(Network Address Translation) supports |
| | | | | IP Telephony Gateway Protocols | | | | H.323 V3: H.225.1, H.245, RAS/RTCP, RTP | | | SIP (RFC3543 bis03) | | | G.723.1(G.729) and G.711 CODEC | | | QoS (TOS, Voice priority) | |
| | | | Management Features | | | | System Status LED for Power Fail, WAN and LAN Link status | | | | Built-in Self Test |
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