2RJ45/2FXS VoIP ATAs with Router, In-band, Audio a

Call features: redial, block (DND), hold, transfer, forward, waiting and three parties conference Tones: ringtone, ring back tone, dial and busy tone DTMF functions: in-band, audio and RFC2833 Voice quality:<ul> Silence suppression VAD: voice activity detection CNG: comfortable noise generator AEC: acoustic echo canceller G.168: network echo canceller jitter buffer</ul> Codec: G.723.1, G.726, G.729A, G.729B and G.711 (a-law/&#956;-law) STUN, media relay and automatic NAT traversal QOS: 802.1Q VLAN, 802.1P TOS and DiffServ IP assignments: PPPoE, DHCP and static IP Network protocol: SIP Version2 (RFC3261), TCP, UDP, IP RTP, RTCP ICMP, ARP/RARP DNS, DHCP, NTP, PPPoE STUN and UPNP Security:<ul> HTTP basic/digest authentication MD5 for SIP authentication (RFC 2069/RFC2617)</ul> Specifications:<ul> Adapter input: 100 to 240V AC/50 to 60Hz Adapter output: 9V DC/600mA WAN: 1 x RJ45 100 Base-T. LAN: 1 x RJ45 100 Base-T FXS: 2 x RJ11 Dimensions: (L) 130 x (W) 70 x (H) 27mm Weight: 0.35kg</ul> <small>All trademarks shown here are for reference purposes only They are the property of their respective owners and we are not authorized to sell items bearing such trademarks</small>