HS SMS DLL is a Windows Dynamic Link Library enabling applications to send, receive, read and delete SMS messages via a GSM modem attached to PC COM port, supporting selected features of standards GSM 07.05 (ETS 300 585) and GSM 03.40. HS SMS DLL includes integrated encryption which can be optionally used to encrypt and decrypt SMS text using AES, DES, 3DES, ARC4, CAST128, Blowfish or Twofish.
HS SMS DLL is designed for use from Visual C / C , VB (v6 and 2003), C# .NET and other programming languages, capable of calling DLL functions.
HS SMS DLL Library allows to send SMS text in plain ASCII text format or "Binary to ASCII HEX" format where any binary data is converted to ASCII HEX representation, so that each binary byte is transmitted as 2 ASCII HEX bytes, the reverse decoding is done when message is received.
HS SMS DLL Library operates in a non-blocking asynchronous manner and the same core DLL supports interfacing to programs written using both old style native API (Visual C and VB ver 6, 2003) and .NET applications.
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