Configure Your HT801/HT802 VoIP Adaptor

Follow these steps to configure your Grandstream HT801 or HT802 VoIP adapter:

Physical Setup

  1. Connect the adapter to power
  2. Connect an Ethernet cable from your router to the adapter's LAN port
  3. Connect your phone to the FXS port
  4. Wait for the adapter to boot (LED lights will stabilize)

Access Web Interface

  1. Find the adapter's IP address (check router DHCP table or use Grandstream Discovery Tool)
  2. Open a web browser
  3. Go to http://[adapter-ip] (default is often http://192.168.1.1)
  4. Log in with default credentials (admin/admin - change this immediately)

Basic Configuration

  1. Go to FXS Port settings
  2. Enter your VoIP account details:
    • SIP Server (from your provider)
    • SIP User ID (your extension/username)
    • SIP Password
    • Display Name
  3. Set Primary SIP Server to your provider's server
  4. Configure NAT Traversal if behind a router

Advanced Settings

  • Codec Priority: Set preferred codecs (G.711u/a for best quality)
  • DTMF Mode: Set to RFC2833 or Inband
  • Call Features: Enable call waiting, call forwarding as needed
  • Time Settings: Configure NTP server for accurate time

Test Configuration

  1. Check registration status (should show "Registered")
  2. Make a test call
  3. Check audio quality
  4. Test incoming calls

Security

  • Change default admin password
  • Enable firewall if available
  • Restrict access to trusted IPs
  • Keep firmware updated

For provider-specific settings, contact our support team or refer to your account documentation.