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Last Updated: Tue, Oct 4, 2022

How A Call Blast Is Different

In this article, we discuss how a phone call blast is different than an email and a text message blast.

Sigma Voice is a leading provider of 'one-to-many' calling and texting services.

What Is A Call Blast?

A call blast is a type of automated call where a pre-recorded telephone message is delivered to phone recipients.

Message Format

Email and text messages are in a written format. As a result, the information must be read to be consumed. A key benefit is that a link can be included. Also, in both cases, an attachment can be added.

With a call blast, the format is audio. the person who recorded the message is heard by the recipient. This may be helpful to communicate urgency or emotion.

Time Of Day

In most cases, a call blast can only be sent out between the hours of 9am and 9pm local time. In rare cases like emergency alerts, it can be sent outside those hours.

Message Filtering

Emails and texts are being filtered by spam algorithms. A phone call broadcast using a valid Caller ID will not be filtered. As a result, you can rest assured each phone number will be attempted and most likely connect with the recipient.


One thing about mass messaging is that people usually reply in the same manner as they were contacted. An email is replied to with an email. A text is replied with a text. A phone call is replied with a phone call. 

This is an important consideration. If you really want to speak with your contacts, a call blast is a way to go. Otherwise, an email or text blast will do the trick.

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Mark Hamilton profile picture Verified Customer

Mark Hamilton

Nonprofit Organization

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.

Emma Otto profile picture Verified Customer

Emma Otto

Retail Store

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.

Ken Doke profile picture Verified Customer

Ken Doke

Nonprofit Organization

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.

Haith Johnson profile picture Verified Customer

Haith Johnson

Retail Store

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!!!

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!

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.

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