The HT812 v2 from GRANDSTREAM NETWORKS, INC is a reliable 2-port analog telephone adapter (ATA) that brings traditional phones into modern IP networks with ease. Designed for small to medium businesses, it combines two FXS ports with a built-in Gigabit NAT router for secure, scalable VoIP connectivity.
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2 FXS ports: Connect two analog phones or fax devices via standard RJ11 connections to an IP network using SIP-based VoIP.
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Integrated Gigabit NAT router: Built-in router handles routing speeds up to 100 Mbps, enabling smooth VoIP traffic and simple network management.
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Dual SIP profiles: Supports 2 SIP accounts for flexible call handling and redundancy across services.
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Security and encryption: TLS and SRTP encryption protect calls and account credentials from eavesdropping.
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Automated provisioning: TR-069 and XML config options streamline large deployments and centralized device management.
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Advanced features: 3-way voice conferencing, T.38 Fax for Fax-over-IP, and a failover SIP server to maintain calls if the primary server is unavailable.
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Broad compatibility and ecosystem: Works with a wide range of VoIP protocols and pairs well with Grandstream UCM IP PBXs for zero-configuration provisioning.
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Status indicators: LED indicators for POWER, NET1, NET2, PHONE1, and PHONE2 provide quick at-a-glance status.
The HT812 v2 is designed to simplify migration from analog to IP. By repurposing existing desk phones, it delivers reliable call quality, flexible deployment options, and robust security in a compact, durable package. For organizations scaling their VoIP environment, the built-in NAT router and provisioning options reduce overhead while preserving familiar telephony workflows.
Specs
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Model: HT812 v2
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Ports: 2 x FXS
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Network: Integrated Gigabit NAT router (routing speeds up to 100 Mbps)
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Brand: GRANDSTREAM NETWORKS, INC
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Security: TLS and SRTP encryption
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Provisioning: TR-069 and XML configuration
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Voice features: 3-way conferencing, T.38 Fax (Fax-over-IP)
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Indicators: POWER, NET1, NET2, PHONE1, PHONE2
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Compatibility: Supports a wide range of VoIP protocols; designed for use with Grandstream UCM series for zero-configuration provisioning
FAQs
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Q: What phones are compatible with the HT812 v2?
A: Analog phones with standard RJ11 connectors.
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Q: Does it support high-speed internet connections?
A: Yes, it includes an integrated Gigabit NAT router.
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Q: Is the device easy to install?
A: Yes, it offers straightforward setup suitable for business use.
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Q: Can it handle multiple VoIP protocols?
A: Yes, it supports various standard VoIP protocols.
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Q: Is it suitable for small to medium businesses?
A: Absolutely, designed for reliable business communication needs.
