D-Link DPH-400S/E/F3,

Business VoIP Phone POE support, Support SIP v.2 (RFC3621) up to 4 accounts, 1 10/100BASE-TX Fast Ethernet, Call ID, Hold, Transfer, Forward, Wait, 3-way Conference, MWI, STUN NAT, PPPoE, DHCP, TFTP, Telnet, DNS, SNTP, HTTP, RTP, RTCP, SNMP V2, 128 x 64 graphic LCD display, 9 hotkeys, 3 Sip accounts, Supports codec G.711 a/ law, G.726 (option: G.729 A/B, G.723.1, G.722), Supports VAD, CNG, AEC, Jitter buffering, headset and hands-free, Power: PoE, AC power adapter