China Voice Guard Phone Product List - Eastel 33 Enterprises Ltd

Eastel 33 Enterprises Ltd

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Voice Guard Phone, E-7290

Designed and encrypted by our self-developed "Frequency Band Shifting and Scrambling" (FBSS) technology. Unique identity recognition secures phone ...
VOIP Box, E-200-VB

Support SIP 2.0,TCP/UDP/IP, RTP/RTCP, HTTP, ICMP, ARP, DHCP, NTP/SNTP, TETP protocols. Support STUN and symmetric RTP for NAT. Interoperable with ...
Voice Guard Phone, E-7290

Designed and encrypted by our self-developed "Frequency Band Shifting and Scrambling" (FBSS) technology. Unique identity recognition secures phone ...
VOIP Phone, E-210-V

Support protocol: SIP v1(RFC2543), v2(RFC3261), IP/TCP/UDP/RTP/RTCP, IP/ICMP/ARP/RARP/SNTP, TFTP Client/DHCP Client/PPPoE Client, Telnet/HTTP Server ...
VOIP + PSTN Box , E-7180-V

Support protocol: SIP v1(RFC2543), v2(RFC3261), IP/TCP/UDP/RTP/RTCP, IP/ICMP/ARP/RARP/SNTP, TFTP Client/DHCP Client/PPPoE Client, Telnet/HTTP Server ...