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Unit 4, Riverside Business Park, Walnut Tree Close, Guildford, Surrey, GU1 4UG

Registered in England & Wales. Company No: 13500507 VAT No: GB 386 0823 76

Copyright © 2025 NetXL Distribution Ltd, All rights reserved.

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Grandstream
Grandstream HT813 2 Port VoIP Analogue Telephone Adaptor
Grandstream HT813 Analogue Telephone Adapter Right

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Grandstream HT813 Analogue Telephone Adapter Right
Grandstream HT813 Analogue Telephone Adapter Ports

Grandstream HT813 2 Port VoIP Analogue Telephone Adaptor

Part Number: HT813

£92.49inc VAT
£77.08ex VAT

30 In Stock

Want it by tomorrow? Order within 15 hours 23 minutes for next business day delivery.

Easy Returns

Bulk Pricing

  • 1+

    £92.49

  • 5+

    £84.44

  • 10+

    £76.39

The HT813 is a powerful analog telephone adapter designed for users looking to connect their analog devices to a VoIP network in either a home or office. It features 1 analog telephone FXS port and 1 PSTN line FXO port in order to offer backup lifeline support using a PSTN line. The FXS port extends VoIP service to one analog device thanks to the HT813's compact size, HD voice quality and multi auto provisioning options.

Description

The HT813 is an easy-to-use analog telephone adapter (ATA) with 1 FXS port and 1 FXO port. 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. The HT813 delivers outstanding VoIP technology with 3-way voice conferencing per port to home and office environments and allows users to successfully connect their analog devices to a manageable and powerful VoIP network.

Key Highlights

  • Supports 2 SIP profiles through 1 FXS port and 1FXO port
  • Dual 100Mbps LAN and WAN ports
  • Lifeline support (FXS port will be hard-relayed to FXO port) in case of power outage
  • Supports 3-way voice conferencing
  • Automated & secure provisioning options
  • Supports T.38 Fax for creating Fax-over-IP
  • Failover SIP server automatically switches to secondary server if main server loses connection
  • Use with Grandstream’s UCM series of IP PBXs for Zero Configuration provisioning
  • Strong AES encryption with security certificate per unit

What’s in the box?

  • HT813 Telephone Adapter
  • UK Power Adapter
  • Ethernet Cable
  • Quick Installation Guide
  • GPL Statement

Documents

  • Data Sheet:Grandstream HT813 Datasheet

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