Mar 15, 2022 · SMS Meaning. Invented in the 1980s, SMS stands for Short Message Service. SMS first appeared on mobile phones in the late-1980s but it wasn’t until the rise of mobile phones like the Nokia 3310 in the 1990s that SMS became a global phenomenon. Between 1990 and 2000, the number of text messages sent per day increased by 100,000%.
What is Unicode SMS? The term “Unicode SMS” refers to text messages sent and received containing characters not included in the default GSM character set. GSM stands for Global System for Mobile Communications (originally “Groupe Spécial Mobile”), and the GSM character set is a collection of the 128 letters (A-Z), numbers (0-9) and symbols (i.e. @, ?, !, &, etc.) most commonly used in Vc6dEE.