

📡 Keep your legacy phones future-proof with ultra-secure, multi-line VoIP power!
The Grandstream GS-HT814 is a professional-grade 4-port analog telephone adapter with integrated Gigabit NAT routing, supporting up to four simultaneous SIP profiles via FXS ports. It delivers crystal-clear voice quality, robust SRTP encryption, and automatic failover SIP server switching for reliable, secure VoIP communication. Designed for both home and office, it supports legacy pulse dialing phones and offers automated provisioning for scalable deployments, making it the go-to solution for transitioning from traditional copper lines to modern VoIP networks.
| ASIN | B01MTSYDKH |
| Batteries | 1 Lithium Ion batteries required. |
| Best Sellers Rank | #79,402 in Office Products ( See Top 100 in Office Products ) #3 in VoIP Telephone Routers |
| Customer Reviews | 4.2 4.2 out of 5 stars (99) |
| Date First Available | November 21, 2016 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 6.4 ounces |
| Item model number | GS-HT814 |
| Language | English, English, English, English, English |
| Manufacturer | Grandstream |
| Product Dimensions | 5 x 1 x 4 inches |
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