Plans, Pricing & Billing

How should I include an allowance?

Subtract included calls or minutes from the relevant billable usage, with a minimum of zero overage. Multiply the remainder by the agreed additional-usage rate and add the base fee and any applicable extras.

In more detail

Subtract included calls or minutes from the relevant billable usage, with a minimum of zero overage. Multiply the remainder by the agreed additional-usage rate and add the base fee and any applicable extras.

Reviewed 2026-11-11

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