I already connect VB Application and the Modem E1552. I used Data and Voice mode for making the connection between two VB applications. Here modem is being useful for making such connections. In that VB applications i use AT command for connecting this two mode based applications. In this connections, data mode works well but problems comes with the voice mode. Is there any way that works to fix this problem. I am not able to get any sound on this connections, while the data mode works to send data from one application to another via modem. Thanks.
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