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Grandstream HT813 Hybrid FXO/FXS ATA with NAT Router

Grandstream HT813 Hybrid FXO/FXS ATA with NAT Router

SKU:IPG-HT813

The Grandstream HT813 is a compact hybrid analog telephone adapter combining FXS and FXO ports for VoIP integration. Featuring HD voice quality, PSTN backup lifeline support, and dual 100Mbps ports, it enables seamless migration from analog to VoIP for Australian businesses.
Regular price $136.62 AUD
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Product Information

BrandGrandstream
CategoryVOIP Gateways
SKUIPG-HT813
AvailabilityOut of Stock
Grandstream HT813 Hybrid FXO/FXS ATA with NAT Router$136.62
$136.62
Overview
  • The Grandstream HT813 is a hybrid analog telephone adapter designed to bridge traditional PSTN lines with modern VoIP infrastructure. It supports both FXS ports for connecting analog devices and FXO ports for PSTN line integration, enabling businesses to maintain critical backup calling capability whilst migrating to IP-based communications.

    The HT813 delivers HD voice quality and advanced VoIP features including 3-way conferencing, T.38 fax-over-IP, and automatic SIP server failover. Its compact form factor and dual 100Mbps network ports make it suitable for deployment in branch offices, retail locations, and remote sites where space is limited.

    With integrated security features including AES encryption and per-unit security certificates, plus TR069 provisioning support, the HT813 simplifies deployment and management for IT teams. The lifeline relay function ensures that if power is lost, the FXS port automatically switches to the FXO port, maintaining critical emergency calling capability.
Specifications
FXS Ports1
FXO Ports1
SIP Profiles2
Network PortsDual 100Mbps LAN and WAN
Voice Conferencing3-way per port
Fax SupportT.38 Fax-over-IP
FailoverAutomatic SIP server failover to secondary server
ProvisioningAutomated and secure provisioning via TR069
SecurityAES encryption with per-unit security certificate
Lifeline SupportYes - FXS port hard relay to FXO port
Warranty12 months
Key Features
1 FXS and 1 FXO port for hybrid analog and VoIP calling
PSTN lifeline backup support with hard relay failover
Dual 100Mbps LAN and WAN ports for flexible network deployment
HD voice quality with 3-way conferencing per port
T.38 Fax-over-IP support for reliable fax transmission
Dual SIP profile support across both ports
Automatic failover to secondary SIP server
AES encryption with per-unit security certificate
Ideal For
Businesses transitioning from analog PSTN to VoIP telephony
Multi-location organisations requiring PSTN backup lines
Offices with legacy analog devices needing VoIP integration
Service providers offering hybrid VoIP solutions to customers
Remote sites requiring reliable backup calling capability
FAQs
What is the difference between the FXS and FXO ports on the HT813?

The FXS port connects analog devices such as phones or fax machines to the VoIP network, whilst the FXO port connects to a PSTN line for backup calling capability and remote calling support.

Does the HT813 support emergency calling if power fails?

Yes. The HT813 features lifeline support that automatically relays the FXS port to the FXO port during power loss, ensuring critical emergency calling remains available via the PSTN line.

Can I use the HT813 to send and receive faxes over VoIP?

Yes. The HT813 supports T.38 Fax-over-IP, enabling reliable fax transmission and reception across your VoIP network.

What provisioning options does the HT813 support?

The HT813 supports automated and secure provisioning via TR069, simplifying deployment and management across multiple units.

Does the HT813 provide failover protection for VoIP service?

Yes. The HT813 automatically switches to a secondary SIP server if the primary server loses connection, ensuring uninterrupted VoIP service.

What security features does the HT813 include?

The HT813 includes strong AES encryption and a per-unit security certificate to protect your communications from interception and tampering.

Can the HT813 handle 3-way conferencing?

Yes. The HT813 supports 3-way voice conferencing on both the FXS and FXO ports.

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