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While Famulor.io tries to keep billing straightforward, certain scenarios can incur extra fees:
  1. Premium or Special Numbers
    • Some countries have special “golden” or vanity numbers that cost more monthly.
    • Toll-free lines might have per-minute surcharges for inbound calls.
  2. Advanced Languages
    • Cloning a custom language model or adding a rare language may require a one-time setup fee.
    • Example: “We can add X language for €49 if it’s not in our default list.”
  3. Bulk SMS or WhatsApp Integration
    • If you add text-based notifications or confirmations, standard SMS rates or third-party WhatsApp fees may apply.
  4. Exceeding Plan Limits
    • If your plan includes free minutes or campaigns, using more than allocated can lead to overage charges (pay-as-you-go rates).
  5. Regulatory / Compliance Charges
    • Certain areas impose short-call surcharges, universal service fund fees, or e911 fees for VOIP solutions.
    • Usually small, but can appear on your invoice as separate line items.

Tip: Keep an eye on your monthly invoice breakdown for a transparent view of each item. If something is unclear, contact billing support to clarify.