PLANET FRT-420SN This is a 300Mbps IEEE802.11b/g/n Wireless VoIP Fiber Router with SIP/2*FXS, SNMP, QoS, WPS, T.38/FOIP, 3-Way Conference, NAT, Caller ID and Auto Provision.

Voice Codec
G.711(A-law /μ-law), G.729AB, G.723 (6.3 Kbps / 5.3Kbps), G.276 (16,24,32,40 Kbps), GSM and G.722

Fax support*
T.38 (G.711 Fax pass-through)

Voice Standard
VAD (Voice Activity Detection)
CNG (Comfort Noise Generation)
G.168: LEC (Line Echo Canceller)
Dynamic Jitter Buffer
In-band and out-of-band DTMF Relay (RFC 2833)
Caller ID Detection/Generation: DTMF, BELLCORE, ETSI, BT, NTT

Protocols
SIP 2.0 (RFC-3261), TCP/IP, UDP/RTP/RTCP, HTTP, ICMP, ARP, DNS, DHCP, NTP/SNTP, PPP, PPPoE

Internet features N
AT router, DHCP server, Static routing, Virtual server, Virtual DMZ, Smart QoS, IP ToS (IP Precedence) / DiffServ

Security
Built-in NAT Firewall
MAC / IP / Port Filtering
URL Filtering
Port Forwarding, DMZ
Password protection for system management

*NEW IN THE BOX
*One Year Warranty