Grandstream HT813 FXO ATA, 1 Port NAT Router | HT813

Name: Grandstream HT813 FXO ATA, 1 Port NAT Router | HT813
SKU: HT813
Availability: InStock

$123.55

HT813

Availability by Warehouse Location

Brisbane: 3
Sydney: 6
Melbourne: 13
Adelaide: Low Stock
Perth: LAST ONE

Last Updated: 06/03/2026

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SKU: HT813 Categories: FXO / FXS, VOIP Gateways Tags: 12, FXO / FXS, VOIP Gateways Brand: Grandstream

Hybrid ATA with FXS and FXO ports

HT813

The HT813 is an analog telephone adapter that features 1 analog telephone FXS port and 1 PSTN line FXO port in order to offer backup lifeline support using a PSTN line. The integration of a FXO and FXS port enables this hybrid ATA to support remote calling to and from the PSTN line. For added flexibility, the FXS port extends VoIP service to one analog device. Users can convert their analog technology to VoIP thanks to the HT813’s ultra-compact size, HD voice quality, advanced VoIP functionality, high-end security protection and multiple auto provisioning options. These advanced features also allow service providers to offer high quality IP service to customers looking to upgrade to VoIP.

Features
•Supports 2 SIP profiles through 1 FXS port and 1 FXO port
•Dual 100Mbps LAN and WAN ports
•Lifeline support (FXS port will be hard-relayed to FXO port) in case of power outage
•3-way voice conferencing per port
•Automated secure provisioning options using TR069
•Supports T.38 Fax for reliable Fax-over-IP
•Failover SIP server automatically switches to secondary server if main server loses connection
•Strong AES encryption with security certificate per unit

Product Last Updated: 11/12/2025

* Whilst we endevour to have the correct information on our products provided from the supplier/manufacturer errors do occur. If you would like to double check the information, please feel free to contact us and we will be more than happy to confirm information on the item prior to purchase. In the event that product information is incorrect due to information we received from our supplier or manufacturer, we do not take responsibility or be held liable for damage(s) or loss(s). We will work with you and do our best to make the best of a bad situation and work with our supplier(s) and/or manufacturer(s) to supply the correct information for the item purchased etc..

Weight	0.34 kg
Dimensions	192 × 154 × 66 mm
Stock Availability Brisbane	3
Stock Availability Sydney	6
Stock Availability Melbourne	13
Stock Availability Adelaide	2
Stock Availability Perth	1