GXP2124 IP语音电话机
音编码

G.723.1,G.729A/B,G.711/a-law,
G.726,G.722 (wide-band)和iLBC,带
内及带外DTMF(in audio,RFC2833,SIP INFO)



协议

SIP RFC3261,TCP/IP/UDP,RTP/RTCP,HTTP/HTTPS,
ARP/RARP,ICMP,DNS(A record,SRV and NAPTR),
DHCP(client and server),PPPoE,TELNET,FTP,
NTP,STUN,SIMPLE,SIP over TLS,802.1x,TR-069



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06/19 05:41