I've been using cold email to get people to attend a local event and just had a breakthrough moment, pretty certain this could work for any industry.
I built a simple AI voice agent, assigned a number, and added the number to my email signature.
I called it out like "p.s. talk to Cora, she's an AI agent, you can ask her anything about the event" and dropped the number.
I have since been getting calls on that line out of pure curiosity. All of the calls are recorded so I can hear them interacting with it. Most of my clients are senior level IT executives and so AI voice agents are still a novelty.
I think I will use the agents phone number in my signature from now on. Now I still need to work on my copy to get more replies, but thought I'd share this idea with the group.