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A caller who dials a RingPool number “out of session” can still hit a fraud-filtering challenge prompt, even with custom challenge settings off.
Callers can encounter a challenge prompt when calling a RingPool number “out of session.” A call is out of session when it’s placed to a RingPool number that isn’t part of an active session — where an active session runs from when the number is shown on screen, plus however many minutes the number is reserved for, as set in your RingPool configuration. This challenge prompt is designed to filter out spam and fraud calls to numbers that aren’t currently being displayed on your website. A legitimate visitor calling the number shown on the page during an active session won’t see this prompt. Applies to: Out of session calls

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Last modified on September 23, 2026