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SigmaMind uses Twilio as its telephony provider for all outbound and inbound voice calls. Call costs are charged per minute based on the destination country of the call. These rates are in addition to your SigmaMind plan subscription.

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How Billing Works

  • Calls are billed per minute, rounded up to the nearest minute
  • The rate applied is based on the destination country of the call (where the phone number being called is located)
  • Charges appear in your Usage & Billing dashboard after each call
  • All prices are in USD
  • Rates reflect Twilio’s published telephony pricing and are subject to change

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Supported Countries & Rates

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Frequently Asked Questions

What if my call doesn’t connect (busy, no answer, voicemail)? Calls that connect to voicemail are billed at the normal rate for the duration of the voicemail interaction. Calls that result in busy or no_answer are typically not billed, as no telephony minutes were consumed. Are there volume discounts? Volume pricing is available on Enterprise plans. Contact support@sigmamind.ai for details. My target country isn’t listed — can I still call it? Countries not listed above may still be reachable. Contact support to confirm availability and pricing for unlisted destinations.