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Documentation Index

Fetch the complete documentation index at: https://docs.hub2.io/llms.txt

Use this file to discover all available pages before exploring further.

The blacklist is implemented at HUB2 level, not at provider level, although providers can integrate similar mechanisms.
Some MSISDN can be blacklisted. If failed transfers to a number are detected, and these failures are recurrent within a short time interval, then the number will be blocked. As soon as 5 failures are detected over a period of 60 minutes, the MSISDN will be blacklisted and blocked.

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Unblocking

A MSISDN is automatically unblocked after 7 days.