The HT812 delivers outstanding VoIP technology and routing capabilities to home and office environments and allows users to successfully connect their analog devices to a manageable and powerful VoIP network.
Features
- HT812 supports 2 SIP profiles through 2 FXS ports and dual Gigabit ports
- Includes a built-in NAT router which can handle routing speeds up to 100MBps
- TLS and SRTP security encryption technology to protect calls and accounts
- Automated provisioning options include TR-069 and XML config files
- Supports 3-way voice conferencing
- Failover SIP server automatically switches to secondary server if main server loses connection
- Supports T.38 Fax for creating Fax-over-IP
- HT812 supports a wide range of caller ID formats
- Use with Grandstream’s UCM series of IP PBXs for Zero Configuration provisioning
Specification
Interfaces
Telephone Interfaces: Two (2) FXS ports
Network Interfaces: Two (2) 10/100/1000Mbps RJ45 ports
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
Security
Media : SRTP
Control : TLS/SIPS/HTTPS
Management : Syslog support, telnet, remote management using web browser
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