Equisys technical notes

Technical guidance, explanations and fixes for our products

FIX: Zetafax adds a duplicate dial prefix when sending faxes using a Brooktrout board



ID: ZTN1569

This Zetafax technical note applies to:

  • Zetafax version 2006 and 2006 SP1


Zetafax server errors when sending faxes where you have:

- A Brooktrout board, using the SDK 5.2 drivers, having followed the ZTN1562 technote.
- A Dial Prefix is specified under the BTB-G1 device:

(E) - Error with connection to remote host - ConnectHostToRemote()


With this SDK 5.2 compliant version of the devbtb.exe the specified dial prefix would be added twice which would cause an incorrect number to be dialled.


This issue is resolved by applying a devbtb.exe hotfix:



This behaviour was corrected in the above mentioned hotfix.

Last updated: 12th March 2007 (AC/GC)

Keywords: < duplicate> < dial prefix>

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