DTMF Methods
DTMF Method In-audio, RFC2833 and/or SIP INFO
QoS
QoS Layer 2 (802.1Q VLAN, SIP/RTP 802.1p) and Layer 3 (ToS, Diffserv, MPLS)
ابعاد
28.5 x 130 x 90 mm (H x W x D) Weight: 353.33g
استاندارد های Caller ID
Caller ID Bellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CID
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
پورتهای دستگاه
Telephone Interfaces Two (2) RJ11 FXS ports / Network Interfaces Two (2) 10/100/1000Mbps RJ45 ports / Factory Reset Button Yes
چراغهای نشان دهنده وضعیت دستگاه
LED Indicators POWER, LAN, WAN, PHONE1, PHONE2
دما و رطوبت
Operational: 32º – 104ºF or 0º – 40ºC Storage: 14º – 140ºF or -10º – 60ºC Humidity: 10 – 90% Non-condensing
قابلیت های امنیتی
Media SRTP / Control TLS/SIPS/HTTPS / Management Syslog support, SSH, remote management using web browser
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
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
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
گواهینامه ها
Compliance FCC/CE/RCM, K.21
منبع تغذیه
Universal Power Supply Input: 100-240VAC, 50-60Hz Output: 12V/0.5A
وزن
گرنداستریم-Grandstream