Short answer
It depends on your estate, so FirstNet does not promise a fixed percentage. Customers commonly find recoverable spend such as mis-billed extensions, under-used services and out-of-policy usage, and the first month's report quantifies it for your business.
In detail
Where savings typically come from:
- Mis-billed extensions that are being charged incorrectly.
- Under-used lines and services across branches that can be consolidated.
- Out-of-policy usage that policy rules and alerts can reduce.
- Plans and add-ons that can be right-sized to actual usage.
- Bill shock avoided through threshold alerts and exception reports.
Beyond direct savings, chargeback by department, cost centre or project shows each budget holder their own telecom spend, and usage trends inform procurement and planning decisions.
To size the opportunity, Clarity needs your call data: the PBX CDR feed and, for Teams, Graph API access. Reports are tuned over 2 to 4 weeks after data starts flowing, so the first full month gives a grounded view of what can be recovered. If you want mobile costs in scope too, the adjacent Clarity for Mobile module covers mobile voice and data spend.
Source: FirstNet Telephone Management & Cost Control service page →
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