IP Phone, VoIP - SIP, Interface:2 x RJ 45 - 10/100 Base-TX (Ethernet), Codecs - G.723.1, G.729A, G.168 (Echo Cancellation), VAD (Voice Activity Detection), CNG (Comfort Noise Generation), G.729AB, G.711u, G.711a, QoS - ToS, RTCP Monitoring, IEEE 802.1p/Q, DiffSer, VAD, Protocols - TCP, UDP, TFTP, RTP, RTCP, HTTP, DHCP, ICMP, PPPoE, NAT, ARP, SNTP...
» read more