NetworkProtocol SIPv1(RFC2543),v2(RFC3261) IP/TCP/UDP/RTP/RTCP IP/ICMP/ARP/RARP/SNTP TFTPClient/DHCPClient/PPPoEClient Telnet/HTTPServer DNSClient Codec G.711:64kbit/s(PCM) G.723.1:6.3k/5.3kbit/s G.726:16k/24k/32k/40kbit/s(ADPCM) G.729A:8kbit/s(CS-ACELP) G.729B:addsVAD CNGtoG.729DTMFFunction In-BandDTMFOut-ofBandDTMF SIPInfoSIPServer RegistrarServer(threeSIPaccount) OutboundProxyboxSide:29*20.7*7.6 Cubage:44.5*39.5*32.5 packingnumber:10 productweight:1000g G.W:9KG N.W:10KG