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Mass Calling

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.

Who Uses Our Mass Call Online App

  • Churches & Other Religious Institutions
  • Schools & Universities (Both Public & Private)
  • Home Services like HVAC, Pest Control & Carpet Cleaning
  • Senior Living Communities & Nursing Homes

Common Uses

  • Fundraising Campaigns
  • Emergency Notifications
  • Service Reminders
  • Appointment Reminders
  • Payment Renewals
  • Employee Updates
  • School Closures

How To Use A Mass Calling Service

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.

  1. Enter the Caller ID of your organization.
  2. Upload 1 or more of your phone lists of call recipients.
  3. Record your voice message by calling our dedicated toll-free recording phone line or by uploading the recording file directly into your account.
  4. Press the "Send Calls" button.

Mass Calling Software Features

  • Manage Multiple Groups
  • Add/Edit/Delete Contacts
  • Custom Caller ID
  • Answering Machine Detection
  • Retry Busy Phone Numbers
  • Schedule Call Campaigns
  • Opt-Out Functionality
  • Detail Call Reporting


We're Seeing Stars

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!

Verified Customer

Pedro Hernandez

Medical Offices

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

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.

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