Short answer
FirstNet monitors voice traffic for fraud around the clock. Its 24/7 network operations centre (NOC) uses real-time call records and traffic anomaly detection, and premium-rate and exotic destinations, such as satellite networks, are blocked by default.
In detail
The layers of protection:
- Real-time call detail records, so unusual activity is visible as it happens.
- Traffic anomaly detection on calls passing through FirstNet's network.
- Premium-rate and exotic destinations blocked by default.
- International calling sold as destination-specific bundles, rather than open access to every destination.
Toll fraud usually involves criminals pushing calls to expensive international or premium-rate numbers through a compromised phone system or account, leaving the business with the bill. Blocking risky destinations by default limits that exposure even if an account is compromised.
Local support is available in English and Afrikaans during South African business hours, with the NOC handling voice incidents at any time.
You also have a part to play: protect Zoom admin and user accounts with strong authentication, and raise any need to call unusual destinations with FirstNet in advance, so it can be reviewed before it is enabled rather than in the middle of a campaign.
Source: FirstNet Zoom Phone & Zoom Contact Centre service page →
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