MARKIT – grandstream ht881 - voip gateway - 1gbe

类别：网络语音服务网关

代码： HT881

品牌： Grandstream Networks

保修：未知

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Device Type: VoIP gateway
Width: 7.5 in
Depth: 3.9 in
Height: 1.1 in
Weight: 16.22 oz
Form Factor: Desktop
Connectivity Technology: Wired
Data Link Protocol: Ethernet, Fast Ethernet, Gigabit Ethernet
Network / Transport Protocol: TCP/IP, UDP/IP, NTP, ICMP/IP, ARP, DHCP, DNS, RARP, RTP, RTCP
Remote Management Protocol: Telnet, HTTP, HTTPS, TFTP, SSH, TR-069
Status Indicators: Port status, power, network
Features: Routing, NAT support, MPLS support, Syslog support, DiffServ support, Type of Service (ToS), web-based management, STUN support
Encryption Algorithm: AES, TLS
Compliant Standards: IEEE 802.1Q, IEEE 802.1p, IEEE 802.3af
VoIP Protocols: SIP, SRTP, SIP over TLS, SIP over TCP, SIPS
Voice Codecs: G.711, G.723.1, G.729, G.726, iLBC, Opus
Telephony Interfaces: 1 phone (FXS), 8 line (FXO)
IP Telephony Features: Echo cancellation, call forwarding, caller ID, call waiting, call hold, call transfer, dynamic jitter buffer, 3-way conferencing, Do-not-disturb (DND) support, SIP info, Dual-Tone Multi-Frequency (DTMF) dialing, T.38 FAX
Interfaces: 8 x FXO - RJ-11 ¦ 1 x FXS - RJ-11 ¦ 1 x 1000Base-T (PoE) - RJ-45 ¦ 1 x 1000Base-T (PoE) - RJ-45
Cables Included: 1 x network cable
Compliant Standards: IC, FCC, RCM, UKCA
Power Device: External power adapter (not included)
Min Operating Temperature: 32 °F
Max Operating Temperature: 104 °F
Humidity Range Operating: 10 - 90% (non-condensing)

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