| وزن | 500 گرم |
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| شرکت سازنده | گرنداستریم-Grandstream
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| قابلیت های کلیدی دستگاه | The HT812 is an advanced 2-port analog telephone adapter (ATA) with 2 FXS ports and an integrated Gigabit NAT router. Built upon Grandstream’s market-leading SIP ATA/gateway technology with millions of units successfully deployed worldwide, this powerful ATA features exceptional voice quality in various application environments, strong encryption with unique security certificate per unit, automated provisioning for volume deployment and device management, and outstanding network performance for home and office
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| پورتهای دستگاه | Telephone Interfaces Two (2) RJ11 FXS ports / Network Interfaces Two (2) 10/100/1000Mbps RJ45 ports / Factory Reset Button Yes
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| پروتکل ها و استانداردها | 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
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| کدک های قابل پشتیبانی | Fax Over IP T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax /Pass-through /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
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| QOS | QoS Layer 2 (802.1Q VLAN, SIP/RTP 802.1p) and Layer 3 (ToS, Diffserv, MPLS)
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| DTMF Methods | DTMF Method In-audio, RFC2833 and/or SIP INFO
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| ابعاد | 28.5 x 130 x 90 mm (H x W x D) Weight: 353.33g
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| دما و رطوبت | Operational: 32º – 104ºF or 0º – 40ºC Storage: 14º – 140ºF or -10º – 60ºC Humidity: 10 – 90% Non-condensing
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| قابلیت های امنیتی | Media SRTP / Control TLS/SIPS/HTTPS / Management Syslog support, SSH, remote management using web browser
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| منبع تغذیه | Universal Power Supply Input: 100-240VAC, 50-60Hz Output: 12V/0.5A
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| چراغهای نشان دهنده وضعیت دستگاه | LED Indicators POWER, LAN, WAN, PHONE1, PHONE2
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| استاندارد های Caller ID | Caller ID Bellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CID
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| قابلیت های تلفنی | Telephony Features Caller ID display or block, call waiting, flash, blind or attended transfer, forward, / hold, do not disturb, 3-way conference / Short/Long Haul Ring Load 3 REN, up to 1km on 24AWG line
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| گواهینامه ها | Compliance FCC/CE/RCM, K.21
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| Factory Reset Button | Yes
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| پورت های FXS | 2
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| نوع گیت وی | FXS
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| گارانتی | دارد
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