Program the Voice Mail System/Automated Attendant Options as follows:
From the System Programming menu, select AuxEuip.
From the Auxiliary Equipment menu, select VMS/AA.
From the VMS/AA screen, select TransferRtn. This parameter, Transfer Return, represents the number of rings before calls transferred by the VM ports are sent to a designated backup position. Set it to “0” to disable this feature. If supervised transfer applications are used, this parameter should still be disabled.
From the VMS/AA screen, select TT Duration. This parameter should be set to 75 (milliseconds).Select TT Interval. This parameter should be set to 50. If the TT Duration and Interval are known in the VM system match thoses settings. Otherwise use the settings above to slow down and space out the codes.