| Model |
HT812 |
| Interfaces |
| Telephone Interfaces |
(2) FXS ports |
| Network Interfaces |
Two (2) 10/100Mbps auto-sensing ethernet ports (RJ45) |
| LED Indicators |
POWER, LAN, WAN, PHONE1, PHONE2 |
| Factory Reset Button |
Yes |
| Voice, Fax, Modem |
| 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 |
3 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 |
| Signaling |
| Network Protocols |
TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, TELNET, 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, TELNET, TFTP, TR-069, secure and automated provisioning using AES encryption, syslog |
| Security |
| Media |
SRTP |
| Control |
TLS/SIPS/HTTPS |
| Management |
Syslog support, telnet, remote management using web browser |
| Physical |
| Universal Power Supply |
Input: 100-240VAC, 50-60Hz |
| Output: 12V/0.5A |
| Environment |
Operational: 0º – 40ºC |
| Storage: -10º – 60ºC |
| Humidity: 10 – 90% Non-condensing |
| Dimension and Weight |
28.5 x 130 x 90 mm (H x W x D) |
| Weight: 353.33g |
| Dimensions |
73.1 x 67.2 x 123.9mm |
| Weight |
300g |
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