Grandstream HT802 Quick User Guide

Grandstream HT802 Adaptor manual cover
Pages 2
Year 2016
Language(s)
English en

Grandstream HT802 Adaptor Specification

The Grandstream HT802 is a compact Analog Telephone Adapter (ATA) designed to integrate traditional analog telephony devices into modern VoIP networks. It supports two FXS ports, allowing for the connection of up to two analog telephones or fax machines. Equipped with SIP protocol support, it ensures seamless communication with a broad range of SIP-based VoIP systems. The HT802 offers advanced telephony features such as call waiting, call forwarding, and three-way conferencing, enhancing its utility for both business and residential users.

Network connectivity is facilitated through its single 10/100Mbps Ethernet port, enabling easy integration into existing network infrastructures. The device supports a wide range of voice codecs, including G.711, G.723, G.726, G.729A/B, and iLBC, ensuring high-quality audio transmission. It also offers echo cancellation and dynamic jitter buffer features to maintain call clarity.

Security is a priority, with the HT802 supporting TLS and SRTP encryption protocols to safeguard communications. The device is managed via a user-friendly web interface, allowing for flexible configuration and management. Auto-provisioning options, including TR-069 and XML configuration files, simplify mass deployment in enterprise settings.

The HT802 is compatible with a variety of network environments, supporting IPv4 and IPv6, and offers QoS (Quality of Service) capabilities to prioritize voice traffic over data, minimizing latency and ensuring reliable performance. Its compact design makes it suitable for desktop use or wall mounting. Overall, the Grandstream HT802 is a versatile and reliable ATA solution ideal for bridging traditional telephony devices with modern VoIP networks.

Grandstream HT802 Adaptor F.A.Q.

How do I configure the Grandstream HT802 for my VoIP service?

To configure the HT802, access the web interface by entering the device’s IP address in a browser. Log in with the default credentials (usually admin/admin), navigate to the 'Profile' settings, and enter your VoIP provider’s SIP server details, including username and password. Save and apply the changes.

What should I do if the HT802 is not powering on?

Ensure the power adapter is properly connected to the HT802 and plugged into a working power outlet. Check for any damage to the adapter or cable. If the device still does not power on, try using a different compatible power adapter.

How can I factory reset the Grandstream HT802?

To factory reset the HT802, press and hold the RESET button on the back of the device for about 7 seconds until the LEDs start to flash. This will restore the device to its default settings.

Why is there no dial tone on my connected phone?

Check the physical connection between the HT802 and the phone. Ensure the phone cable is securely plugged into the PHONE port on the HT802. Verify that the device is registered with your VoIP service provider and that the correct SIP settings are entered.

How do I update the firmware on my HT802?

Download the latest firmware from the Grandstream website. Access the device’s web interface, go to the 'Advanced Settings' tab, and upload the firmware file. Follow the on-screen instructions to complete the update process.

What should I do if calls are dropping frequently?

Ensure your internet connection is stable and has sufficient bandwidth. Check the network cables and router settings. You may also need to adjust the QoS (Quality of Service) settings on your router to prioritize VoIP traffic.

How can I change the default password for the HT802 web interface?

Log into the web interface, go to the 'Advanced Settings' tab, and find the 'Account' section. Enter the new password in the appropriate field, confirm it, and save the changes to update the password.

Why is my HT802 not registering with the SIP server?

Verify the SIP server settings, username, and password entered in the device’s configuration. Check for network connectivity issues and ensure your firewall settings are not blocking the SIP traffic.

Can I use the HT802 with multiple VoIP providers?

Yes, the HT802 supports multiple profiles. You can configure each FXS port with a different VoIP provider by setting up each port under separate profiles in the web interface.

How do I troubleshoot one-way audio issues on calls?

One-way audio is often caused by NAT or firewall issues. Ensure the SIP ALG is disabled on your router. Check the NAT settings on the HT802 and ensure that the correct ports are forwarded on your network.