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ActiveXperts SMS Component Add SMS capabilities to any Windows or .NET application

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AT\Q4 - Connection Type: Unidirectional XON/XOFF by DCE

\Qn - "Flow Control Type Select" - This command will select the type of flow control that the modem will operate with.

  • \Q0 - Disable flow control
  • \Q1 - Bi-directional XON/XOFF
  • \Q2 - CTS flow control by DCE
  • \Q3 - Bi-directional RTS/CTS
  • \Q4 - Unidirectional XON/XOFF by DCE
  • \Q5 - CTS forced low for pre-connection, then CTS by DCE control takes over, or unidirectional XON/XOFF by DTE will
  • \Q6 - Bi-directional RTS/CTS or RTS by DTE after connection

Use AT command in a programming environment

With ActiveXperts Serial Port Component (an ActiveXperts product), you can integrate AT modem communications in scripts, console applications, GUI form applications, web applications and web services.

With ActiveXperts SMS Component (an ActiveXperts product), you can also integrate AT modem communications in an environment that has many aspects of GSM modem communications implemented in interface functions.