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Grandstream HT-818 Datasheet
Grandstream HT-818 Usermanual
Grandstream HT-818 Administrator Guide
Grandstream ATAs and Gateways Comparison Chart
Product Specification |
|
Overview |
Grandstream HT-818 Analog-To-VoIP converter 8-Port VoIP Gateway, 8 FXS ports, 2 Port Lan Gigabit NAT Router |
Telephone Interfaces |
Eight (8) RJ11 FXS ports |
Network Interfaces |
Two (2) 10/100Mbps ports (RJ45) |
LED Indicators |
POWER, LAN, WAN, PHONE1, PHONE2, PHONE3, PHONE4, PHONE5, PHONE6, PHONE7, PHONE8 |
Factory Reset Button |
Yes |
Telephony Features |
Caller ID display or block, call waiting, flash, blind or attended transfer, forward, hold, do not disturb, 3-way conference |
Voice Codecs |
G.711 with Annex I (PLC) and Annex II (VAD/CNG), G.723.1, G.729A/B, G.726, iLBC, OPUS, dynamic jitter buffer, advanced line echo cancellation |
Fax Over IP |
T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax Pass-through |
Short/Long Haul Ring Load |
2 REN, up to 1km on 24AWG line |
Caller ID |
Bellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CID |
Disconnect Methods |
Busy Tone, Polarity Reversal/Wink, Loop Current |
Network Protocols |
TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, SSH, STUN, SIP (RFC3261), SIP over TCP/TLS, SRTP, TR-069 |
QoS |
Layer 2 (802.1Q VLAN, SIP/RTP 802.1p) and Layer 3 (ToS, Diffserv, MPLS) |
DTMF Method |
In-audio, RFC2833 and/or SIP INFO |
Provisioning and Control |
HTTP, HTTPS, SSH, TFTP, TR-069 , secure and automated provisioning using AES encryption, syslog |
Media |
SRTP |
Control |
TLS/SIPS/HTTPS |
Management |
Syslog support, SSH, remote management using web browser |
Universal Power Supply |
Input: 100-240VAC, 50-60Hz |
Environmental |
Operational: 32o – 104oF or 0? – 40?C |
Dimensions |
(L)180mm*(W)120mm*(H)36mm |
Compliance |
FCC/CE/RCM |
รับประกัน |
1 ปี |
|
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แบรนด์: Yealink
แบรนด์: Grandstream
แบรนด์: Grandstream
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