Specifications: Protocol - VoIP Protocols Compliant (H.323 v2.0) - Internet Protocols (TCP/IP, UDP, ARP, TFTP, ICMP, DHCP, HTTP) - Audio Codec Compliant (G.711, G.723.1, G.729A) - Echo Cancellation (G.165, G.168 Compliant) Standard - IEEE 802.3 10BASE-T Ethernet Compliant - IEEE 802.3u 100BASE-TX Fast Ethernet Compliant Function Support - Redial - Memo - Mute - Flash - Hold - Speaker - Address book (10 sets) - Review address record - Speaker volume adjust
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