Which Voice AI are used by business owners in 2025?

I think we all have noticed that Voice AI is growing very fast in 2025 and that more and more businesses start using AI calling agents for customer outreach and support, for service providers like home services, dentals clinics, beauty parlours it works quite well, they don’t have missed calls and lost clients and for large companies it means optimization of work flows, saving time for sales teams, better lead generation and more profit. Voice AI like Coldi serve these purposes perfectly. And which Voice AI are you using or plan to use?