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  • What does Busy tone detected: 43 mean?

    Overview When sending a fax an error 43 or busy tone error can be received, when sending a fax, for a few reasons.  This article covers the reasons for this error and some steps to resolve them.     D...

  • What does No dial tone error 45 mean?

    Overview No dial tone errors are most common during initial setup, after a migration or after IP address changes.  They can also occur if there is an issue with your phone system or fax device configu...