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I have written a small software to show caller id using c++ and TAPI 2 library. I have used a lineInitializeEx function to initialize a modem , and lineOpen function to open a modem line, ..etc.

My question is, how can I activate a caller id on my modem? I know I must use an AT command "AT+VCID=1" which worked correctly using a putty software, but how can I send this command in my software using the TAPI library? Any function?

Bassam Najeeb
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  • I remember starting a project on this subject 25+ years ago. I wanted to make it a shareware product when shareware was very much a thing.. – drescherjm Nov 01 '20 at 16:13
  • Maybe this helps: [https://stackoverflow.com/questions/49057262/sending-at-commands-to-usr-modem-in-c](https://stackoverflow.com/questions/49057262/sending-at-commands-to-usr-modem-in-c) – drescherjm Nov 01 '20 at 16:15

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