Building Signal: Inside Cresta’s AI Concierge

Signal is Cresta’s AI concierge: an intelligent, omnichannel agent designed to turn a traditional website into a living conversation.

In this video, we go behind the scenes on how Signal came to life. From seamless chat-to-voice experiences to real-time guidance, transparency, and action, Signal showcases what’s possible when AI is designed to understand, assist, and adapt.

Whether you’re evaluating enterprise AI, curious about the future of digital experiences, or just want to see what a truly conversational website looks like, this is a look inside the thinking—and technology—behind Signal.