Logon failure dialing to analog units
Consistent logon failure when trying to logon to analog units in the field
Consistent logon failure can occur when there have been changes to your local phone lines, this change can result in low audio volume. One possible solution would be to slightly increase the modem volume to compensate for this. Below you will find the steps for adjusting your modem’s volume.
Note: Increase the modem's volume by one or two points at a time. If you set the volume too high you can create the same problem that you are trying to fix.
Windows XP:
Go into Control Panel, Start -> Control Panel or Start -> Settings -> Control Panel
Locate Sound and Audio Devices and double click item
Under the Device Volume section click Advanced
Click on the Options drop down menu
Click on Properties
Select Modem(UAC3556B) from the Mixer Device selection box
Click Ok
Adjust Speaker Volume in Mixer Volume Panel
Windows Vista/ 7:
Go into Control Panel, Start -> Control Panel
Locate Sound and double click item
Find Modem with- in device list
Right click Modem(UAC3556B) and select Properties
Select Levels tab
Adjust Volume