Celebrating 19 years in business!
Celebrating 19 years in business!
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.
Sigma Voice is a leading service provider of 'one-to-many' automated calling and mass texting.
Our online automated 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
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.
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
Absolutely LOVE THIS SERVICE!!! I recommend using Sigma Voice for any growing business!! We have got great responds & is a good way to stay in touch with your customers base! Helps us to turn customers to Loyal Customers to VIP Customers!!!
Verified Customer
I have been using Sigma Voice for a few years now on a number of campaigns. They have always been reliable and competitive. Their customer service is phenomenal. I highly recommend.
Verified Customer
Sigma Voice exceeded our expectations for our call out needs. When we needed changes made they were happy to do so and performed changes in a timely manner. I highly recommend Sigma Voice.
Expressed written consent (EWC) is permission for something that is given specifically in writing. Learn how to obtain EWC from your contacts for automated calling and mass texting communications.
With so many different types of robocall pricing, how do you know if you're getting the best deal? Read our guide to help you decide!
We've created a step-by-step process on how to perform an effective automated phone survey. Get started today!