WhiteHat Cold calling service suggestion.

Hi,
I live in India and I need a suggestion for whitehat cold calling service for our business, I mean which option would be best for me as I'd like to use a US phone number. Like I've planned primarily either I'll take US skype or US e-sim. Any other easy and suitable suggestions for me?

Thanks in advance.

Have you tried https://www.skype.com/? It's a reliable choice, as you can easily get a US number and make calls globally at decent rates. Another great option is https://voice.google.com/, it’s affordable and super easy to set up, though you might need some help initially activating it outside the US.
But if you’re considering an esim, check out services like https://getnomad.app/ or https://www.airalo.com/ for seamless setup and integration. Lastly, platforms like https://www.ringcentral.com/ or https://www.vonage.com/ are excellent if you need a full-featured virtual phone system with a professional touch for business cold calling.