
| FAX OVER IP | T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax Pass-through |
| LED INDICATORS | POWER, LAN, WAN, PHONE1, PHONE2 |
| TELEPHONY FEATURES | Caller ID display or block, call waiting, flash, blind or attended transfer, forward, hold, do not disturb, 3-way conference |
| AUDIO CONFERENCING | 3-Way Voice Conferencing per port |
| NETWORK INTERFACES | Two (2) 10/100/1000Mbps RJ45 ports |
| TELEPHONE INTERFACES | Two (2) RJ11 FXS ports; can be expanded by peering with an FXS gateway |
| LINES | 2 lines |
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Two (2) 10/100/1000Mbps RJ45 ports.
2 lines.
The HT812 supports zero-touch provisioning and centralized management through Grandstream's free GDMS cloud platform, alongside its local web UI.
Yes — every unit is genuine Grandstream hardware sold by A5 IT, an authorized partner, and carries the full manufacturer warranty. In-stock units ship from US stock; backordered units ship as soon as stock arrives.

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