The Grandstream HT813 is a powerful VoIP phone adapter that combines an FXS port for analog phones and an FXO port for PSTN line integration. This dual-port design makes it ideal for businesses or home users transitioning from legacy telephony infrastructure to VoIP, while still maintaining access to traditional phone lines as a backup.
By leveraging Grandstream innovation, the HT813 offers superior voice quality, strong encryption, and universal SIP compatibility. It is a dependable bridge device that allows users to maximize existing investments in analog equipment while unlocking the cost benefits and flexibility of VoIP.
Features :
The HT813 is engineered for crystal-clear voice through advanced VoIP technology with support for multiple voice codecs, industry-standard SIP support, and feature-rich telephony functions. Its integrated NAT router, secure provisioning, and strong call encryption ensure smooth deployment and daily reliability.
Advanced Options :
With its dual-port system (FXS and FXO), the HT813 delivers flexible configurations including failover from VoIP to PSTN during outages. Auto-provisioning, TR-069 support, and compatibility with leading SIP platforms make it a highly deployable solution for both businesses and service providers.
Product Key Features
- Supports 1 FXS port and 1 FXO port
- Allows routing between PSTN line & VoIP
- Rich calling features like call transfer, forward, 3-way conferencing
- HD audio quality with multiple codecs supported
- Advanced security including TLS & SRTP
- Integrated NAT router functionality
- Auto-provisioning for simplified deployment
- Failover between SIP service & PSTN
- Seamless support with Grandstream UCM PBX solutions
- Compact, reliable, and durable design
Reliability & Performance :
The Grandstream HT813 is built for longevity, reliability, and seamless integration in hybrid environments. Whether you are a small business transitioning to VoIP or a service provider offering residential VoIP solutions, this device ensures secure, high-quality, and redundant communication connectivity. Its compact size makes it convenient, while its robust firmware ensures consistent performance.
