With the Grandstream HT812 ATA Adapter you can transform up to 2 analog telephones into IP phones. 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 use.
Features:
Two (2) RJ11 FXS ports
Two (2) 10/100/1000Mbps RJ45 ports
LED Indicators
Caller ID display or block, call waiting, flash, blind or attended transfer, forward, hold, do not disturb, 3-way conference
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
T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax Pass-through
3 REN, up to 1km on 24AWG line
Bellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CID
Input: 100-240VAC, 50-60Hz
Output: 12V/0.5A
28.5 x 130 x 90 mm (H x W x D)
353.33g
Files
Data sheet
Product Specs.
More Information
Manufacturer part #
HT812
EAN
6947273702153
Warranty
2 years
Frequently Asked Questions
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