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How do fax retries work?

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How do fax retries work?


When using the Document Delivery System (DDS) to schedule and send faxes from InfraWare 360, faxing can sometimes fail.  Reasons include busy signals or no answer at the other end. 


  • A schedule of retries works as follows:
    • Faxes are first sent when originally scheduled.  Count on the first attempt occurring about 2 minutes after the scheduled time.  There is some processing that takes place prior to the actual faxing.
    • Over a period of 10 to 15 minutes, the fax is attempted up to 5 times by the communication gear.  If unsuccessful for all 5 tries, the job is returned to the platform database as having failed.
    • The job is queued for retry in one hour (approximately 1 hour and 15 minutes after the originally scheduled delivery time).  If that is unsuccessful, it is returned to the platform database again as with the first attempt.  There are a total of 4 of these hourly attempts.
    • Overall, the system will attempt each fax up to 20 times; 5 times each time across 4 retries in about 4 hours.
  • Retries will show in the audit trail for a job:

Related KBs
Fax Delivery Instructions for the ITC
Faxing through the ITC

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Last Updated
Wednesday, February 4, 2015

faxes fax faxing retry KB143
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