it is an exemple how to use send sms with modem gsm with AT COMMANDS. It is not write by me. I foud the source cod on internet for free.

SMSapplication
..............\SMSapplication
..............\SMSapplication.sln
..............\..............\bin
..............\..............\...\Debug
..............\..............\...\.....\SMSapplication.exe
..............\..............\...\.....\SMSapplication.pdb
..............\..............\...\.....\SMSapplication.vshost.exe
..............\..............\...\.....\SMSapplication.vshost.exe.manifest
..............\..............\...\.....\SMSapplicationErrorLog_4-8-2015.txt
..............\..............\Classes
..............\..............\.......\clsSMS.cs
..............\..............\.......\ShortMessage.cs
..............\..............\.......\ShortMessageCollection.cs
..............\..............\clsSMS.cs
..............\..............\obj
..............\..............\...\Debug
..............\..............\...\.....\DesignTimeResolveAssemblyReferences.cache
..............\..............\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
..............\..............\...\.....\SMSapplication.csproj.FileListAbsolute.txt
..............\..............\...\.....\SMSapplication.csproj.GenerateResource.Cache
..............\..............\...\.....\SMSapplication.csprojResolveAssemblyReference.cache
..............\..............\...\.....\SMSapplication.exe
..............\..............\...\.....\SMSapplication.pdb
..............\..............\...\.....\SMSapplication.Properties.Resources.resources
..............\..............\...\.....\SMSapplication.SMSapplication.resources
..............\..............\...\.....\TempPE
..............\..............\...\.....\......\Properties.Resources.Designer.cs.dll
..............\..............\Program.cs
..............\..............\Properties
..............\..............\..........\AssemblyInfo.cs
..............\..............\..........\Resources.Designer.cs
..............\..............\..........\Resources.resx
..............\..............\..........\Settings.Designer.cs
..............\..............\..........\Settings.settings
..............\..............\ShortMessage.cs
..............\..............\ShortMessageCollection.cs
..............\..............\SMSapplication.cs
..............\..............\SMSapplication.csproj
..............\..............\SMSapplication.Designer.cs
..............\..............\SMSapplication.resx

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