Echo issues can cause by quite a few things. Here are a few checklist you can use to solving your problem.

- Try a different phone. If the audio is better, the problem is with your phone.

- Turn the volume softer on your phone

- Make sure all the wires are securely inplace. Replace any wires that are torn or have loose connectors.

- Make sure your TrinitiComm adapter is at least a few feet away from any other electronic devices such as microwave.

- If you are using a cordless phones, change the frequencies or channels on the phone.