Feature
Call transfer (unattended/ attended/ semi-attended), Call holding, Call waiting, Redial, Call completion, Predial, MWI, Flexible dial plan, Barring function for outgoing calls, Do not disturb, Auto answer, CLIR(rejects anonymous calls), CLIP(to make an anonymous call), Dial without registration, Call logs with missed calls/ incoming calls/ outgoing calls. Each support 300 records(Web), Speed Dial, Hotline/Warm-line, Password dial, DTMF hidden, Action URL/ active URI, Multicast, Web dial, Emergency call
Others
1 SIP Line, 6 Soft keys programmable, HD Voice: HD handset, Codec: G.711A/U, G.723.1 high/low, G.729AB, G.722, G.726-32, DTMF: in-band, RFC2833 and SIP INFO, DTMF: In-band, Out-of-Band DTMF-Relay(RFC2833) / SIP INFO, WAN / LAN: 10/100M Ethernet ports (Bridge mode), IP Configuration: Static / DHCP / PPPoE, Network Access Control: 802.1x, VPN: L2TP (Basic Unencrypted) / OpenVPN, LCD: 3.5Inch (480x320) color screen, WAN Port -10/100 BASE-T RJ-45 for LAN, LAN Port-10/100 BASE-T RJ-45 for PC, Handset: RJ9, Main Chipset: Broadcom, SDRAM: 16MB, FLASH: 8MB, Dimension: 213 x 170 x 130 mm
Specialty
Full-duplex Acoustic Echo Canceller (AEC) Hands-free Mode, 96ms tail-length, Voice Activity Detection (VAD) / Comfort Noise Generation (CNG) / Background Noise Estimation (BNE) / Noise Reduction (NR), Packet Loss Concealment (PLC), Dynamic Adaptive Jitter Buffer up to 300ms, Multi languages displayed(web), vxworks OS, Support SIP2.0 (RFC3261) and correlative RFCs, SIP support 1 SIP servers, and backup SIP proxy servers, Supports SIP UDP / TCP/ TLS, SIP support SIP domain, SIP authentication (none, basic, MD5) , DNS name of server, Peer to Peer / IP Call, Auto-Provisioning via FTP/TFTP/HTTP/HTTPS/DHCP OPT66/SIP PNP/TR069, Web Management Portal, Web-based Packet Dump, Configuration Export / Import, Firmware Upgrade, Syslog