Symptoms
Symptoms corrected by version 1.28.032.0066

• (New) Initial release for ThinkPad A20m/A20p
  
• (New) Initial release for ThinkPad T20

Symptom corrected by version 1.28.032.0066b

(New) Support for ThinkPad X20

Symptoms corrected by version 1.28.032.0066c

• (New) Support for ThinkPad A21m, A21p, A21e, and T21
  
• (Fix) Fix for Singapore connection issue

Symptom corrected by version 1.28.032.0066d

(New) Support for ThinkPad TransNote

Symptom corrected by version 1.28.032.0066e

(New) Support for ThinkPad A22m, A22p, T22, and X21

Symptoms corrected by version 1.28.032.0067

• (Fix) Fix for modem staying off-hook on an abnormal shutdown
  
• (Fix) Fix for DSP upload error

Symptoms corrected by version 1.28.038.0076

• (New) Support for ThinkPad A22e
  
• (Fix) Fix for Sysprep unattended install issue

Symptoms corrected by version 1.28.039.0076

• (New) Support for ThinkPad T23.
  
• (Fix) Fix for humming noise issue.
  
• (Fix) Fix for ThinkPad Access Connections issue.

Symptoms corrected by version 1.28.039.0076b

(New) Support for ThinkPad X22, A30, and A30p.

Symptoms corrected by version 1.28.039.0076.01

• (New) Support for ThinkPad Software Installer.
• (Fix) Fix for modem negotiation issue with Intel Mini PCI modem.

Symptoms corrected by version 1.28.039.0076.01b

• (Fix) Fix for low modem connect speeds.

Affected configurations
Any of the following ThinkPad systems:

• ThinkPad A20m, A20p
  
• ThinkPad A21e, A21m, A21p
  
• ThinkPad A22e, A22m, A22p
• ThinkPad A30, A30p
  
• ThinkPad T20, T21, T22, T23
  
• ThinkPad X20, X21, X22
  
• ThinkPad TransNote

Solution
Download the latest modem driver update.