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Sending SMS from C# .NET


This tutorial illustrates how to send and receive SMS from C# .NET (C-sharp) using the SMSLibX ActiveX component (DLL library).

The tutorial shows how to:

  • build a new SMS application in C# step-by-step;
  • integrate SMS communication into an already existing C# application;
  • download some ready-to-use SMS source code examples in C# and adapt them to your needs.


The reference environment is Microsoft .NET Framework version 1.1.
A minimal expertise on C# programming is required.


» Download the tutorial: SMS with C# .NET



  • SMS for your business

    - Working teams
    Contact your customers and mobile co-workers by SMS.
    - Mobile marketing
    Contact your audience with friendly SMS communication.

  • SMS for public services

    - Services and associations
    Contact service subscribers and associates by SMS.
    - Commercial consultants
    Remind fiscal deadlines to your customers with an SMS.
    - Medical offices
    Send appointment reminders to your patients by SMS.
    - Schools
    Keep in contact with parents and students by SMS.

  • Do more with SMS...


We'll be closed for holidays
from June 12 to 22, 2017.

Modem orders collected during this period will be delivered in the following workdays.

SMS software licenses will be released within 48 hours, even during this period.