Insight Dialogue is the practice of learning to be mindful while speaking and listening. The Insight Dialogue guidelines are a great supplement to the Buddha’s teachings on wise speech. The guidelines are simple phrases that we can call to mind in the middle of a conversation to foster wise communication. You can find those guidelines here: Guidelines
If you’re interested in Insight Dialogue, there are several resources that can be helpful in learning more about it, in addition to the previous link. One is the book by Gregory Kramer, Insight Dialogue: The Interpersonal Path to Freedom. You can also find suggestions on getting started with the practice of Insight Dialogue, either in person or online, at this page: Getting Started