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Tag Archives: UDH header

SMPP Long Messages 2 bytes reference number in UDH


In this article, we will learn to send long SMS using the cloudhopper SubmitSm. In this article, we use Charset GSM (7bit), which means we will split the message if the length of the message is greater than 160 characters. GSM-7 is a character encoding standard that packs the most commonly used letters and symbols in many languages into 7 bits ... Read More »