WindowsXP process svchost.exe sends AT commands to MODEM


#1

I am connecting to Windows PC with GSM modem using the network connection wizard.
I am able to call the remote modem but When call gets disconnect from the Network connection.
WindowsXP’s. Process svchost.exe, sends automattically the AT commands to the modem and changes the setting of the modem.

please find the console log of serial port monitor tool
Port opened by process “svchost.exe” (PID: 1020)

Request: 12/16/2008 12:21:42 PM.34564 (+169.5156 seconds)

41 54 0D AT.

Answer: 12/16/2008 12:21:42 PM.36064 (+0.0156 seconds)

41 54 0D 0D 0A 4F 4B 0D 0A AT…OK…

Request: 12/16/2008 12:21:42 PM.37664 (+0.0000 seconds)

41 54 45 30 56 31 0D ATE0V1.

Answer: 12/16/2008 12:21:42 PM.40764 (+0.0313 seconds)

41 54 45 30 56 31 0D 0D 0A 4F 4B 0D 0A ATE0V1…OK…

Request: 12/16/2008 12:21:42 PM.42364 (+0.0156 seconds)

41 54 0D AT.

Answer: 12/16/2008 12:21:42 PM.43964 (+0.0156 seconds)

0D 0A 4F 4B 0D 0A …OK…

Request: 12/16/2008 12:21:42 PM.45464 (+0.0156 seconds)

41 54 53 30 3D 30 0D ATS0=0.

Answer: 12/16/2008 12:21:42 PM.48564 (+0.0313 seconds)

0D 0A 4F 4B 0D 0A …OK…

Request: 12/16/2008 12:27:09 PM.33264 (+327.3438 seconds)

41 54 0D AT.

Answer: 12/16/2008 12:27:09 PM.36464 (+0.0313 seconds)

0D 0A 4F 4B 0D 0A …OK…

Request: 12/16/2008 12:27:09 PM.36464 (+0.0000 seconds)

41 54 45 30 56 31 0D ATE0V1.

Answer: 12/16/2008 12:27:09 PM.39564 (+0.0313 seconds)

0D 0A 4F 4B 0D 0A …OK…

Request: 12/16/2008 12:27:09 PM.41164 (+0.0156 seconds)

41 54 0D AT.

Answer: 12/16/2008 12:27:09 PM.42664 (+0.0156 seconds)

0D 0A 4F 4B 0D 0A …OK…

Request: 12/16/2008 12:27:09 PM.44264 (+0.0156 seconds)

41 54 53 30 3D 30 0D ATS0=0.

Answer: 12/16/2008 12:27:09 PM.47364 (+0.0313 seconds)

0D 0A 4F 4B 0D 0A …OK…

Request: 12/16/2008 12:27:48 PM.53664 (+39.0625 seconds)

41 54 0D AT.

Answer: 12/16/2008 12:27:48 PM.55164 (+0.0156 seconds)

0D 0A 4F 4B 0D 0A …OK…

Request: 12/16/2008 12:27:48 PM.56764 (+0.0156 seconds)

41 54 45 30 56 31 0D ATE0V1.

Answer: 12/16/2008 12:27:48 PM.59864 (+0.0313 seconds)

0D 0A 4F 4B 0D 0A …OK…

Request: 12/16/2008 12:27:48 PM.59864 (+0.0000 seconds)

41 54 0D AT.

Answer: 12/16/2008 12:27:48 PM.62964 (+0.0313 seconds)

0D 0A 4F 4B 0D 0A …OK…

Request: 12/16/2008 12:27:48 PM.64564 (+0.0156 seconds)

41 54 53 30 3D 30 0D ATS0=0.

Answer: 12/16/2008 12:27:48 PM.66164 (+0.0156 seconds)

0D 0A 4F 4B 0D 0A …OK…

Request: 12/16/2008 12:27:48 PM.67664 (+0.0156 seconds)

41 54 0D AT.

Answer: 12/16/2008 12:27:48 PM.69264 (+0.0156 seconds)

0D 0A 4F 4B 0D 0A …OK…

Request: 12/16/2008 12:27:48 PM.70764 (+0.0156 seconds)

41 54 45 30 56 31 0D ATE0V1.

Answer: 12/16/2008 12:27:48 PM.73964 (+0.0313 seconds)

0D 0A 4F 4B 0D 0A …OK…

Request: 12/16/2008 12:27:49 PM.75464 (+0.0156 seconds)

41 54 0D AT.

Answer: 12/16/2008 12:27:49 PM.77064 (+0.0156 seconds)

0D 0A 4F 4B 0D 0A …OK…

Request: 12/16/2008 12:27:49 PM.78664 (+0.0156 seconds)

41 54 53 30 3D 30 0D ATS0=0.

Answer: 12/16/2008 12:27:49 PM.80164 (+0.0156 seconds)

0D 0A 4F 4B 0D 0A …OK…