Get your 30 day free trial with 100 free calls! Sign Up Free
Sigma Voice logo

Celebrating 19 years in business!


Products

Automated calling for alerts, reminders & updates

Cartoon woman talking on the phone while sitting on the top of a smart phone.

Your important time-sensitive messages can now be heard with 'one-to-many' automated calling almost instantly by all your customers, employees or members fast.

(Spamming is not permitted on our platform.)

Sign up free Get a demo

Get started for free. No credit card required.

Customers

You're In Good Company

1,000's of organizations trust Sigma Voice

Harvard University Logo
Sears Logo
American Red Cross Logo
Unite Here Logo
Globe Life Logo
United Steel Workers Logo
Products

Automated Calling

Manually calling your customers one-at-a-time can be very costly and time consuming. When it's important to get an urgent message to all your customers fast, voice broadcasting delivers your pre-recorded telephone message to 100s or 1,000s of your customers in a very short amount of time at a fraction of the cost. Automated calls, like manual calls, are answered by a human or a machine.

Learn more about Automated Calling

1.Caller ID

Your organization phone number is displayed to your contacts so that they know who is calling.

2.Recordings

Call our dedicated recording line, upload your audio file or use our text-to-speech voice at no extra cost.

3.Groups

Quickly import your contacts into your account. Duplicate phone numbers will be removed.

4.Call Block List

Easily add phone numbers to your block list. Before every call broadcast, do not call requests are removed everytime.

5.Call Broadcast

Your calls can be sent right away or scheduled for a future date & time. 100 calls can be sent within 10 minutes or less.

6.Call Reports

The real-time reporting and PDF report shows which calls were answered by a human and which calls were answered by a machine.

About

The Sigma Voice Difference

Here's what makes Sigma Voice the smarter choice.

Easy To Use

Setting up a call or text broadcast is so easy that you'll feel like a pro within just a few minutes.

Super Fast Delivery

Just sit back and watch as your calls and texts are sent out very quickly to all your contacts.

Real-Time Reports

You'll see the summary report as well as a detailed report that shows who got what & when.

Friendly Customer Support

We're happy to help anyway we can day or night even on weekends and holidays.

Pricing

Competitive Pricing

Sigma Voice offers several low cost pricing options. Choose 'Pay As You Go' for only 6 cents per message or get an even lower rate with a monthly package.

Tons of features are included free like answering machine detection, real-time reporting, scheduling broadcasts, text to speech and more.

Also, knowlegable & friendly phone, email and chat support are included.

Learn more about Pricing

Solutions

Industry Specific Solutions

Sigma Voice helps several industries like home services, senior living, recruiting & staffing and associations & unions generate more revenue from their existing relationships.

Beautiful home in suburban neighborhood

Home Services

Generate More Revenue From Existing Customers


Sigma Voice is an excellent customer retention strategy for home services companies that offer carpet cleaning, hvac, pest control and plumbing services. It's very costly to acquire new customers, so it makes sense to keep the ones you've already earned. Email newsletter open rates are only about 25%. So the other 75% of your customers may be scrolling past your email specials for service. A Sigma Voice voice broadcasting press 1 campaign to book appointments can generate a 400% ROI for your business.

Seniors playing chess in a park

Senior Living

Increase Census & Decrease Employee Churn


Senior living companies like nursing homes and assisted living facilities use Sigma Voice mass texting important informational updates to family members and staff members. Ongoing communication with families can help stabilize and increase census. In addition, employee communication from executive directors and other company leaders can decrease employee turnover.

Two women in a casual office meeting

Recruiting & Staffing

Win More Job Placements


Sigma Voice is the perfect solution to use when a client needs several positions filled by tomorrow. Simply record your message and send your mass calling campaign to all your qualified candidates within a few minutes to see who is available. Staffing and recruiting companies use automated calling and mass texting to fill job orders, confirm candidate availability, update contact lists, inform candidates about important updates and send reminders to submit timesheets.

People in a meeting at a table shaking hands

Nonprofits

Increase Donations & Volunteering


Nonprofits like Churches and schools can quickly and easily contact donors and volunteers with our easy to use phone tree system to increase donations and engagement. Better communication means more informed members which can increase attendance at events, fundraisers and volunteer opportunities. It's easy to send important announcements, welcome new members, keep members informed, send emergency alerts and gather feedback with a phone survey.

FAQ

Some frequently asked questions.

Yes! Sigma Voice offers a free trial of the calling service only. In order to qualify, please register using a company email address like name@organization.com.

You can call 1,000 contacts for about $50 in about 10 minutes. That's about 100 calls per minute! This example is based on a 30-second voice recording, which is an average recording length for an automated phone call. This is based on 10 cents per minute. Small call broadcasts may incur a surcharge fee or minimum fee.

Automated outbound calling is a technology that delivers a pre-recorded to the phone numbers of an organization's contacts. It's much faster than manually dialing phone numbers 1 at a time.

  1. Set your Caller ID phone number
  2. Call to record your message
  3. Upload your contacts
  4. Schedule the calls to be sent

Your recording can be as long as you want. Usually, they're about 24 to 30 seconds. Be sure to record in a quiet room to make sure the recording is as clear as possible.

Sigma Voice accepts many popular formats like Microsoft Excel, CSV and TXT. Each phone number should consist of 10 digits.

Canada and US phones all use one single format: (NXX) NXX-XXXX, where N is 2–9 and X is 0–9. 

Parentheses, dashes and periods or ok. Also, duplicate phone numbers will be automatically removed.

Sigma Voice accepts multiple forms of payment exclusively through PayPal.

Reviews

We're Seeing Stars

Emma Otto profile picture Verified Customer

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.

Kristin Taylor profile picture Verified Customer

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!

Haith Johnson profile picture Verified Customer

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.

No credit card required

Try Sigma Voice today!

Book A Demo Get Started Free
Cartoon people in a meeting while sitting on the screen of a smart phone.
...

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!