FIX: Intermittent error 'Call not answered' when sending a fax using Brooktrout SR140 with driver version 6.12.0 Print ZTN2143 This Zetafax technical note applies to: Zetafax Server Version 17.5 and earlier with Brooktrout SDK version 6.12.0 Symptom In certain cases, users may experience errors when sending faxes using the Brooktrout 6.12.0 drivers, with the following lines logged on the Zetafax Server Monitor: BTB-G1-1 - (I) - Call not answered BTB-G1-1 - (E) - Error with connection to remote host Cause This was due to a bug in the Brooktrout 6.12.0 SDK which was subsequently patched by Dialogic in a later version (6.12.1 onwards). Resolution This fault was corrected in the Brooktrout 6.13.2 SDK update available here. This hotfix contains an update to the Dialogic drivers that resolves the reported issue. Status This behaviour was corrected in the hotfix detailed above. Last updated: 15th December 2020 (NT) Keywords: Dialogic SR140 call fail SR140 Related articles HOWTO: Setting up Zetafax on a Microsoft Azure hosted server INFO: Changes in Brooktrout driver version 6.13.2 update FIX: Outbound faxes fail to a small subset of recipients INFO: Changes in Brooktrout driver version 6.12.0 update FIX: Delay before aborting fax transmission with Brooktrout devices