Alexa skill issue

Based on your description of the Alexa skill failing to access S3-hosted audio clips, this is likely a permissions issue. Here are some steps to resolve this:

1. Ensure that the S3 bucket containing your audio clips has granted the necessary permissions to the Alexa service. Specifically, you need to give s3:GetObject permissions to the appropriate service principal.

2. Verify that the S3 bucket is in the same AWS account as your Alexa skill. Cross-account access requires additional configuration.

3. Check that your audio file references are correctly formatted with valid bucket names and object keys. Make sure the bucket name and key fields are not null or empty.

4. If you're using pre-signed URLs to access the audio files, ensure they're being generated with the correct signature version (AWS4-HMAC-SHA256).

5. If you're accessing S3 from a corporate network, check if there are any firewall rules or proxy settings that might be blocking access to AWS services.

To debug further, you could enable verbose logging in your skill to get more detailed error messages, which would help pinpoint the exact cause of the failure.
Sources
Debugging unexpected ACTION_FAILED events - Amazon Chime SDK
Problem AWS S3 access: Failed to receive handshake, SSL/TLS connection failed | AWS re:Post
S3 Presigned URL from EC2 not working while locally working | AWS re:Post