Good price voip phone 16 FXS/ FXO ports voip sip gateway with 4LAN ports

16 ports fxs voip gateway is a versatile IP-based voice and fax gateway. It is highly integrated router, NAT, phone gateway functionality and has market-leading voice quality, rich functionality, and lightweight, compact design.  16 ports fxs voip gateway is fully compatible with SIP industry standard, can be achieved with many other SIP compliant devices and software interoperability. In addition, it supports including G.723.1, PCMA/U and G.729AB voice codec. Suitable for carrier and enterprise VoIP call center agents.
 
Large port access gateway
 Standard SIP protocols
 Standard G.723.1,G.729A/B,PCM A/U code
 Call forwarding, Call hold, Caller ID, DND  standard voice service
 Anonymous call, Direct IP Call and Busy tone
 Fax over IP  and Three –way conferences
 
Physical Interface
•Phone ports: 4/8/16/24/32/48/72/96/112FXS or FXO, RJ-11.   It is ok to mix FXS and FXO ports.
•Ethernet Interfaces:
16FXS: 4*RJ-45 10/100Mbps, RJ-45
 
Protocol
•SIP V2.0(RFC 3261,3262,3264)
•SDP (RFC 2327)
•REFER (RFC 3515)
•RTP/RTCP (RFC 1889,1890)
•STUN (RFC 3489)
•ARP/RARP (RFC 826/903)
•SNTP (RFC 2030)
•DHCP/PPPoE
•TFTP/HTTP/HTTPS
•DNS/DNS SRV (RFC 1706/RFC 2782)
•VLAN 802.1P/802.1Q
 
Voice & FAX
•G.711A/U law, G.723.1, G.729A/B
•Comfort Noise Generation(CNG)
•Voice Activity Detection(VAD)
•Echo Cancellation(G.168)
•Adaptive (Dynamic) Jitter Buffer
•Hook flash test
•Programmable Gain Control
•T.38/Pass-through/Modem FAX mode,
•Up to 14.4kbps
 DTMF mode: Signal/RFC2833/INBAND
 
Supplement Service
•Call waiting
•Call transfer(Blind  transfer, Attend Transfer , Half  blind transfer)
•Quick pick
•Call forwarding
•Hotline
•Call hold
•DND
•3-way conference(1/2/4FXS Support)
•Voice mail
 Direct IP address call
 
Call & Route
•  Port group
• IPtrunk 
• Primary and secondary SIP account
•  32inbound routing
•  32 outbound routing
•  Number manipulation
  Dial plan set
 
Maintain & Upgrade
•Web based configuration
•Telnet configuration
•Data backup/restore
•Support English and Chinese language
•Firmware upgrade by TFTP
•Syslog and CDR
•Web & telnet login password modify
•Factory reset
•Automatic time synchronization
•SNMP
•IVR local maintenance management
 
Network Features
•  NAT (Rout and Bridge)
•  Static IP, PPPoE, DHCP
•  DHCP server
•IP,TCP, UDP,TFTP, FTP, TCP,ARP,RARP,    Ping, NTP, SNTP, Http, DNS, Trancert
•  Static/dynamic ARP
 
Environment
•Power input:100-240VAC,50-60Hz
•Power consumption: 24FXS:80W;
  32FXS:100W
•Humidity: 10%-90%  no condensation
 

 Pictures:

 1 unit/box. 10 units/carton.

Shipping ways: ESM, DHL,AIR.

Delivery time: 1-3 working days after pay.

 1 year warranty. Fast delivery, good after service,  tech support

 With R & D team, OEM is accepted in bulk order.

 Unlocked or locked----Unlocked

New or second hand----100% NEW and original.