I can only say, use this service and it may cut your calling time and wait time for less than half - or even less!
I did not opt for this service for the very simple reason.
I will find more about pricing and will have my review soon.
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This is what they claim:
Look, it’s not just about calling. It’s about converting. Explore SalesDialers’ next-gen features for squeezing more sales out of every agent, every hour.
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Disclaimer: I have not used their service or this product - yet.