Urgent: Working with COMM API and PCI that provide 4 COM Port
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Posted By:   Cretsia_Yeo
Posted On:   Monday, February 18, 2002 01:16 AM


I have developed an application that can communicate with a wireless modem via a COM Port, provide by the PC. It works well with both receiving and sending SMSs.

But recently, I try to further extent my application to allow it to commuicate with a multi port modem via an PCI card that provides 4 COM Ports. My program will only request the modem, which is free to send SMSs while the modem, which is busy, will be avalible until it's task is done.

I try to test my program by sending a continuous of 10 SMSs to a particular of the COM port. But my COM port that is receiving the SMSs will hang there when waiting for the correct response from the modem.

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