Grandstream HT813 Quick Installation Guide

Grandstream HT813 Adaptor manual cover
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Grandstream HT813 Adaptor Specification

The Grandstream HT813 is a powerful analog telephone adapter designed to integrate traditional analog telephony devices with modern VoIP networks. It features one FXS port and one FXO port, allowing users to connect both analog phones and a PSTN line, bridging gaps between legacy telephony systems and IP networks. The device supports up to two SIP profiles, ensuring compatibility with a wide range of VoIP service providers. It offers excellent voice quality through advanced telephony features such as 3-way conferencing, echo cancellation, and dynamic jitter buffer.

The HT813 supports a variety of voice codecs including G.711, G.723, G.726, G.729, and iLBC, contributing to its versatility in different network environments. For security, it implements robust measures such as TLS and SRTP encryption to protect voice communications. The device also features failover support between the SIP server and PSTN line, ensuring uninterrupted service. Network management is facilitated through comprehensive provisioning options, including TR-069 and XML config files, allowing for efficient remote management and firmware upgrades.

The adaptor boasts a compact design, making it suitable for home offices or small business environments where space is a premium. It requires minimal setup, with a user-friendly web interface for configuration and monitoring. Designed for reliability and ease of use, the HT813 is an ideal solution for users seeking to maintain their existing analog equipment while taking advantage of the cost savings and flexibility offered by VoIP technology. Its superior performance and feature set make it a compelling choice for seamless telephony integration.

Grandstream HT813 Adaptor F.A.Q.

How do I perform a factory reset on the Grandstream HT813?

To perform a factory reset on the Grandstream HT813, press and hold the reset button located on the device for about 7 seconds until the Power LED indicator flashes. This will reset the device to its default settings.

How can I configure the HT813 to work with my SIP provider?

Access the web interface of the HT813 by entering its IP address in a web browser. Navigate to the "FXS Port" tab and input your SIP provider credentials in the SIP User ID, Authenticate ID, and Password fields. Save and apply the settings.

What should I do if my HT813 is not receiving an IP address from the router?

Ensure that the Ethernet cable is securely connected between the HT813 and the router. Restart both the router and the HT813. If the issue persists, check the network settings to ensure DHCP is enabled.

How can I update the firmware on my HT813?

To update the firmware, log into the HT813 web interface, go to the "Maintenance" tab, and select "Firmware Upgrade." Enter the URL of the firmware server or upload the firmware file directly. Click "Upgrade" to start the process.

Why is there no dial tone on my analog phone connected to the HT813?

Ensure that the analog phone is properly connected to the FXS port on the HT813. Verify that the device is powered on and that the configuration settings are correct. If the issue persists, try restarting the HT813.

How do I configure the HT813 to act as an FXO gateway?

Access the web interface, navigate to the "FXO Port" tab, and configure the SIP Server and SIP credentials. Configure the PSTN settings to match your telephony environment. Save and apply the changes.

What is the default IP address for accessing the HT813 web interface?

The default IP address for accessing the HT813 web interface is usually 192.168.2.1, but it may vary depending on your network setup. You can check the IP address via the voice prompt by dialing *** and then 02.

How can I secure my HT813 from unauthorized access?

Change the default admin password in the web interface under the "Advanced Settings" tab. Enable HTTPS for secure web access and configure a firewall to limit access to trusted IP addresses.

What troubleshooting steps should I take if I'm experiencing poor call quality?

Check your network for congestion and ensure QoS settings prioritize VoIP traffic. Verify that the HT813 is using the latest firmware, and adjust the jitter buffer settings if necessary.

How can I access the voice menu on the HT813?

Connect an analog phone to the FXS port, pick up the handset, and dial *** to access the voice menu. Follow the voice prompts to configure or check device settings.