Specification: - Adapter: Input: 100-240V, Output: 12V1A - LAN Port: 10/100Base T RJ-45 for LAN - PC Port: 10/100Base T RJ-45 for PC - Phone Port: 1 RJ11 for Phone(FXS) - Lifeline Port: 1 RJ11 for Lifeline - Operation Temperature: 0 to 40C - Relative Humidity: 10 to 65% - Main Chipset: Infineon MIPS32 (220MIPS) - SDRAM: 64Mbits - Flash: 16Mbits Features: - Support SIP RFC3261 RFC3262 RFC3265 - Codec: G. 711A/u, G. 729, G. 729A/B - Echo cancellationz: Support G. 168 - Support Voice Gain Setting, Jitter Buffer, VAD, CNG, - N-AT transverse: Support STUN client, VPN - SIP support SIP domain, SIP authentication (none, basic, MD5), DNS name of server, Peer to Peer - SIP support Pubic/Private server. Can connect to Public server and Private SIP server at the same time - SIP support dual public server - DTMF: Support SIP info, DTMF Relay, RFC2833 - SIP application: Support Call forward/transfer/holding/waiting - Call control features: - Fexible dial map - Support Hotline - Empty calling No. Reject service - Black list for reject authenticated call - No disturb - Caller ID - Support conference Network Features: - Support PPPoE for xDSL. - Support DHCP Client on WAN - Support SNTP Client, 802. 1p/q, Diffserv - Network tools in telnet server: Including ping, trace route, telnet client Maintenance and Management: - Support Boot Monitor - Can upgrade firmware through boot monitor - Can config through Web, keypad, Telnet - Can upgrade firmware and configuration file through HTTP, FTP, TFTP - Support Syslog Certifications: - CE, FCC Certified.