| Key Features system led to indicate power/phone/register status Supports T.38 FAX Supports BY-PASS FAX Audio Features Codec: G.711A/u, G.729AB, G.726-32 DTMF: In-band, RFC 2833 and SIP INFO Voice Activity Detection (VAD) Comfort Noise Generation (CNG) Background noise suppression Adaptive jitter buffers Packet loss concealment Different country tones Advanced Features Call forwarding (busy/ no answer/ always) Call transfer ( unattended/ attended) Call holding Call waiting 3 way call conference MWI Flexible dial plan Barring function for outgoing calls Caller ID(FSK/DTMF) Indication when N/A line available Dial via VoIP or PSTN as default selection Dial via PSTN when VoIP unavailable CLIR(rejects anonymous calls) CLIP(to make an anonymous call) Dial without registration Hotline/Warm-line Black List/ White List |
Network/ Security Features WAN / LAN：10/100M Ethernet ports, Bridge mode and route PPPoE for xDSL VLAN（802.1Q/P） NAT (NAPT) NAT transverse :Support STUN client DHCP client on WAN/ DHCP server on LAN Main DNS and secondary DNS server DNS Relay NTP Client Firewall Web management access restricted VPN(L2TP/PTP) ping, tracert, telnet Maintenance & Management WEB management Management with different account right Recover firmware and factory reset through Uboot Upgrade firmware via HTTP,HTTPS, FTP, TFTP DHCP option66 and custom option for auto provisioning Auto Provisioning to upgrade configuration file Syslog Physical features Adapter Input: AC 100-240V Adapter Output: DC 12V/0.5A WAN Port -10/100 BASE-T RJ-45 for LAN LAN Port-10/100 BASE-T RJ-45 for PC FXS:1 RJ11 Power consumption: IDLE: 2.5W Active: 2.8W Operation Temperature: 0〜40℃ Relative Humidity: 10〜65％ SDRAM: 64MB FLASH: 16MB |
| Linux OS Supports SIP 2.0 (RFC3261) and correlative RFCs SIP supports 2 SIP servers, and Group servers |
Supports SIP UDP/TCP SIP support SIP domain, SIPauthentication (none, basic, MD5),DNS name of server, Peer to Peer/ IP Call |
