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Overview

Sona transforms your business by providing the benefits of an answering service at a fraction of the cost. As an add-on to your OpenPhone subscription, Sona ensures your business remains responsive to customers 24/7 without the expense of hiring additional staff.
Sona is available as an add-on for all OpenPhone plans with a 7-day free trial including unlimited calls.

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Subscription pricing

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Base subscription cost

Monthly pricing:
  • $49/month base subscription
  • 50 calls included in monthly allocation
  • $0.99 per additional call beyond allocation
  • Prices exclude applicable taxes
Call allocation details:
  • Monthly call allocation resets at each billing cycle
  • Unused calls do not roll over to next month
  • Calls under 15 seconds don’t count toward usage
  • Filters out spam calls and quick hang-ups

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Eligibility requirements

To purchase Sona:
  • Must be on paid OpenPhone plan (not free trial)
  • Must use online payments (not Apple subscription)
  • Must have workspace Admin or Owner permissions
  • Available for Starter, Business, and Scale plans
If you currently have an Apple subscription, switch to online payments to add Sona.

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Billing cycles and charges

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Billing synchronization

Billing cycle alignment:
  • Sona follows your OpenPhone billing cycle
  • Monthly OpenPhone = monthly Sona billing
  • Annual OpenPhone = annual Sona billing

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Proration and charges

Initial subscription:
  • Prorated charge for remaining time in current cycle
  • Monthly subscriptions: charged for remaining days until renewal
  • Annual subscriptions: charged for remaining days until renewal
Overage billing:
  • Calls beyond 50-call allocation billed at $0.99 each
  • Overage charges always billed monthly
  • Applies even with annual OpenPhone subscriptions
  • No service interruption when exceeding allocation
Overage charges are always billed monthly, regardless of your core subscription billing cycle.

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Usage monitoring

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Tracking call usage

Monitoring your usage:
  1. Go to Settings → Plan & Billing
  2. Locate Sona section
  3. View current billing period call count
  4. Monitor usage against 50-call allocation
What counts as a call:
  • Each time Sona answers = 1 call
  • Call duration doesn’t affect billing
  • Calls under 15 seconds excluded
  • Provides value compared to missed calls or answering services
Sona billing section in settings

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Managing your subscription

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Canceling Sona

To remove Sona add-on:
  1. Go to Settings → Plan & Billing
  2. Locate Sona section
  3. Click three-dot menu
  4. Select Remove Sona
What happens when you cancel:
  • Sona immediately stops handling calls
  • All Sona steps automatically replaced with voicemail
  • No missed calls during transition
  • Credit applied for unused billing period
  • Can re-add Sona anytime

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Subscription flexibility

No commitment required:
  • No minimum commitment period
  • Add or remove Sona anytime
  • Immediate activation upon subscription
  • Seamless integration with existing call flows

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Frequently asked questions