C# Tutorial – How to Send SMS Message C#.NET Winforms | FoxLearn

Welcome to the FoxLearn Today we will learn how to send SMS message through GSM modem First, you need to design a simple UI that allows you to send SMS message through GSM modem A GSM modem is a specialized type of modem which accepts a sim card, and operates over a subscription to a mobile operator, just like a mobile phone From the mobile operator perspective, a GSM modem looks just like a mobile phone When a GSM modem is connected to a computer, this allows the computer to use the GSM modem to communicate over the mobile network While these GSM modems are most frequently used to provide mobile internet connectivity, many of them can also be used for sending and receiving SMS and MMS messages A GSM modem can be a dedicated modem device with a serial, USB or Bluetooth connection, or it can be a mobile phone that provides GSM modem capabilities The serial port class provides synchronous and event-driven I/O, access to pin and break states, and access to serial driver properties Additionally, the functionality of this class can be wrapped in an internal Stream object, accessible through the BaseStream property, and passed to classes that wrap or use streams We will use AT command to send SMS message AT commands are instructions used to control a modem AT is the abbreviation of ATtention Every command line starts with “AT” or “at” You need to check your GSM modem port Thank you for watching this video

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