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
