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About Us: Innovators in IVR, SMS & Voice Broadcasting

Enhance customer service with our customizable IVR solutions. Improve efficiency, reduce costs, and provide 24/7 support with interactive voice response systems.

About Sigma Voice

At Sigma Voice, we take pride in being a leading provider of mass calling and mass texting services. Founded in 2004 in the picturesque coastal city of Carlsbad, California, we have continuously evolved to meet the dynamic communication needs of our diverse clientele.

Our Mission

Our mission is to empower businesses, organizations, and individuals with reliable, user-friendly, and cost-effective communication solutions that enhance connections with customers, employees, and members. We believe that consistent and effective communication is essential for success, and relying solely on email is no longer sufficient. We are committed to providing our clients with innovative tools that enable them to communicate efficiently in today’s fast-paced world.

Our Values

At the heart of Sigma Voice, our core values guide every decision we make, ensuring that our clients receive the highest standard of service and support. Our values include:

  • Customer-Centric Approach: We prioritize our clients’ needs and satisfaction.
  • Integrity: We uphold honesty and transparency in all our interactions.
  • Innovation: We continually seek out new technologies and methods to improve our services.
  • Collaboration: We work closely with our clients and partners to achieve the best results.
  • Reliability: We ensure that our services are dependable and effective.

The Power of Mass Communication

Sigma Voice understands the importance of reaching your audience through multiple channels on a regular basis. Our mass calling and mass texting services enable you to:

  • Notify customers of special offers and promotions
  • Keep employees informed about important company updates or emergency situations
  • Engage members with reminders of upcoming events or deadlines
  • Gather valuable feedback through polls and surveys

By integrating our mass communication services into your strategy, you can enhance your connection with your customers, employees, and members, ensuring that your messages are not lost in the sea of emails.

Compliance & Security

Sigma Voice adheres to all relevant regulations and guidelines governing mass calling and mass texting, including TCPA, FCC regulations, CTIA best practices, and the CAN-SPAM Act. We prioritize data security with end-to-end encryption, secure data centers, regular security audits, and strict data privacy policies.


Our dedicated support team is available 24/7, offering comprehensive online resources, customized onboarding and training sessions, and ongoing account management services. We strive to provide prompt, friendly, and knowledgeable assistance.

Choose Sigma Voice

Choose Sigma Voice as your trusted communication partner and experience the difference of a comprehensive, reliable, and innovative mass communication solution. Let us help you foster lasting connections with your customers, employees, and members while ensuring compliance, security, and exceptional support.

What Our Clients Say

Read what our satisfied customers have to say about Sigma Voice. Discover how our advanced communication solutions have transformed their business operations and customer interactions.

2 months ago

Tom was awesome! He spent time on the phone helping me get set up. Great intro by Tom to my new voice blast service! Wish I c...



3 months ago

Sigma was very helpful in our company meeting a call documentation requirement for a Federal regulation. Tom gave us great se...

4 months ago

Sigma Voice has allowed our organization to disseminate information quickly, thoroughly and to a wide audience. The software ...

8 months ago

This is the first time I used this company and am extremely pleased with the excellence in customer service. There was no nee...

3 years ago

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

4 years ago

Sigma Voice was so easy to set up. I needed to get an immediate message out to my 60+ family members. I sent a sign up messag...