Block premium-rate (0900) and international outbound for most users.
Default-deny on outbound exotic ranges prevents both toll fraud and accidental 0906 calls. Whitelist only where needed (international sales, support team).
support/telefonie-voip/premium-rate-blokkering-uitbelsteps: 4
Try this first
- Outbound rules in PBX: default only NL fixed and NL mobile.
- International and premium rate: a separate permission group, not every user.
- PIN code for international can apply to specific cases.
- Document who has what, otherwise an exception every two weeks creeps in unreverted.
When to bring us in
A director wants 'to dial anywhere': give them their own PIN, do not open the whole group.
See also
- Voys, BelXS or RoutIT, which cloud PBX fits?Three popular NL platforms, differences are admin UI, partner model and per-user price.
- Teams Phone: Calling Plan, Direct Routing or Operator Connect?Three ways to connect PSTN to Teams, cost and management differ a lot.
- 3CX: self-host on VPS or take 3CX cloud?Self-host saves licence, but you own SBC, backup and updates.
None of the above fits?
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