Grandstream Networks HT802 v2 - HT802_V2

The HT802 v2 has two FXS ports, allowing you to connect up to two analog phones or fax machines.

Yes, the HT802 v2 supports a wide range of Caller ID formats.

You can connect individual analog phones to the HT802 v2 to use them with an IP telephony system. It's not designed to bridge an entire analog PBX system.

The Failover SIP Server feature ensures that if your primary SIP server becomes unavailable, the ATA will automatically register with a pre-configured secondary server, maintaining call service.

Once connected to your network, you can access the web interface by typing the ATA's IP address into your web browser. You can find the IP address using network scanning tools or by checking your DHCP server logs.

The HT802 v2 supports a variety of voice codecs including CNG, G.711, G.722, G.723.1, G.726-32, G.729ab, OPUS, and VAD.

No, the HT802 v2 requires an AC power adapter and is not PoE compatible.

Ensure the analog phone is correctly plugged into the FXS port. Verify the FXS port is enabled and configured with a valid SIP account in the ATA's web interface. Check the phone cable for damage.

Confirm that the HT802 v2 has a stable network connection (check LED indicators). Verify your SIP account credentials and server settings are correctly entered. Ensure your network firewall is not blocking SIP or RTP traffic.

Check your internet connection for stability and bandwidth. Experiment with different voice codecs in the ATA's settings. Ensure Quality of Service (QoS) is configured on your network if available.

Ensure T.38 fax support is enabled on the HT802 v2 and your VoIP service provider. Verify fax machine settings are compatible and try reducing the fax speed.