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Grandstream Networks HT802 v2, CNG, G.711, G.722, G.723.1, G.726-32, G.729ab, OPUS, VAD, T.38, Schwarz, FCC 15B, AS/NZS CISPR22, AS/NZS60950, EN55022, EN55024, EN60950, EN61000-3- 2, EN61000-3-3, UL..., TCP/IP/UDP, RTP/RTCP (RFC1889, 1890), HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, SSH,..., SRTP, SSL/TLS