4/8/16 Fxs/fxo Voip Gateway

Features of 4/8/16 FXS/FXO VOIP Gateway :
a Primary and secondary SIP account
a Flexible set port group
a IP trunk
a Flexible routing and manipulation
a Data/ Voice/ Management VLAN
a Voice /FAX/Modem
a SNMP
a Firmware update automatically /configure update
Specification

Physical Interfaces
a Phone Interface: 4 FX/FXO, RJ-11
a Ethernet Interface:2* RJ-45 10/100Mbps, RJ-45
a LED Indicators: Power, Run, Network and Line LEDs

Voice Processing
a Voice Codec: G.711A/U law, G.723.1, G.729A/B
a Voice Packet Capabilities: CNG, VAD, G.168, AJB
a Programmable Gain Control
a DTMF mode: Signal/RFC2833/INBAND

Call Features
a Calling Type: Voice/ T.38/Pass-through/Modem FAX mode, Up to 14.4kbps
a IVR Voice Prompt: Private service IVR
a Telephony Features: Call waiting, Call transfer(Blind transfer, Attend Transfer , Half blind transfer), Quick pick, Call forwarding, Hotline, Call hold, DND, Voice mail, 3-way conference,Direct IP address call

Network
a Network Protocols: IP,TCP, UDP,TFTP, FTP, ARP,RARP, Ping, NTP, SNTP, Http, DNS, Trancert
a NAT Traversal: STUN, Ping, Tracert

Protocol and Standard
a Protocol: SIP V2.0 (RFC 3261,3262,3264), RTP/RTCP
Standard: Bellcore Type 1 &2, ETSI, BT, NTT and DTMF based CID, configurable call progress tone
Configuration Management
Auto Provisioning: TFTP, HTTP, Auto configure/upgrade, Syslog and CDR, SNMP