Mass calling is a bulk communication technology that allows organizations to quickly contact their customers, employees or members with a pre-recorded voice recording within a short period of time by phone.
Our online mass calling system is very user-friendly and employs industry-standard SSL Encryption for security and privacy.
Once you've registered for our free trial, just follow the steps below to set up and launch your first mass phone calling campaign.
Verified Customer
Sigma Voice was so easy to set up. I needed to get an immediate message out to my 60+ family members. It’s affordable, the reports are amazing, and the customer service is beyond what I expected on a Sunday afternoon. Highly recommended!
Verified Customer
This service is fantastic. Setting up automated calls is super easy and affordable. I highly recommend it.
Verified Customer
We have used SigmaVoice for our business for a few years now, and it has been a very good experience. The website is simple, straightforward, and easy to navigate. Customer service is excellent; professional and prompt.
