What Other Ways Have You Sold Domains Apart from Emails?

In this age and time, we have more than enough communication channels for every purposes and so, I decided to ask: What other ways have you sold domain names apart from using emails.

Please share your experiences and let's have new insights.

Side Note: I am not referring to names parked at marketplaces with BIN price, but through inbound or outbound media.

For instance, some persons start off with emails and then end up on phone. So, please share.