Tom Adishian

Sigma Voice - Phone trees + compliant voice alerts for teams

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Sigma Voice helps organizations send reliable outbound voice alerts, run automated phone trees, and capture post-call voice feedback. Built for operational teams that need compliant, time-critical communication. Trusted since 2004.

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Tom Adishian
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Built Sigma Voice because email and SMS still get missed when something is actually urgent. Many teams rely on manual call chains or outdated phone trees. Sigma Voice makes it simple to send compliant voice alerts and capture real customer feedback immediately after an interaction.