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Blog Posts

Mass messaging best practices and more.


Express Written Consent - What It Is, How To Obtain It And Some Examples

Last Updated: Sun, Sep 18, 2022

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.


Robo-Call Pricing: How Much Does It Cost?

Last Updated: Wed, Sep 28, 2022

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!


7 Steps to Creating an Effective Automated Phone Survey

Last Updated: Sat, Sep 17, 2022

We've created a step-by-step process on how to perform an effective automated phone survey. Get started today!


What You Need To Know About Voice Broadcasting Live Transfers

Last Updated: Wed, Sep 28, 2022

Learn how to set up and effectively manage a winning live transfer campaign for your organization.


Grow Your Church Faster With A Phone Tree

Last Updated: Wed, Sep 28, 2022

Learn how an easy-to-use and effective church communication system can help increase the size of your Church.


The Ultimate Guide To Billing Increments

Last Updated: Wed, Sep 28, 2022

Learn how telecom carriers and service providers charge for phone calls.


How To Increase B2B Email Open Rates 2022

Last Updated: Wed, Sep 28, 2022

Get the most out of your business-to-business email marketing campaigns by following these tips and tricks to increase email open rates.


How To Increase Nonprofit Email Open Rates 2022

Last Updated: Wed, Sep 28, 2022

In order for your email message to be seen and opened, it must land in the inbox. Check out these suggestions to make the biggest impact with your email marketing campaigns.


How To Set Up A Voice Broadcasting Press 1 Campaign

Last Updated: Wed, Sep 28, 2022

A "press 1 campaign" is a type of voice broadcasting dialer that allows your call recipients who answer their phone the option to be instantly transferred to one of your representatives simply by pressing the 1 DTMF digit on their phone keypad.


Modernize Your Manual Phone Tree For Free

Last Updated: Wed, Sep 28, 2022

Almost all organizations should have some type of phone tree. The goal of a phone tree is to quickly and easily disperse important information. This can be done via manual or automated outbound phone calls and/or inbound phone calls. Sigma Voice provides easy-to-use inbound and outbound phone tree applications.


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Kristin Taylor

Senior Living

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!

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Haith Johnson

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!!!

Mark Hamilton profile picture Verified Customer

Mark Hamilton

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.

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Emma Otto

Retail Stores

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.

Pedro Hernandez profile picture Verified Customer

Pedro Hernandez

Medical Offices

This service is fantastic. Setting up automated calls is super easy and affordable. I highly recommend it.

Ken Doke profile picture Verified Customer

Ken Doke

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.

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