1. IEEE 802. 3 10 Base T; support DHCP, PPPOE DNS TELNET; 2. Support G. 711a / U, G. 723. 1, G. 729 / A / B / AB and GSM610 voice codec; 3. Sip, H. 323 V4 protocal; SIP RFC3261; support HTTP, HTTPS, FTP upgrade; 4. TCP/ IP: Internet protocal; Support RTP...
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