tekstiviesteille
Tekstiviesteille, often referred to as SMS (Short Message Service), are text-based messages sent between mobile phones. This technology allows for brief communication, typically limited to 160 characters per message. SMS was a foundational element of early mobile communication, enabling users to send and receive short, concise updates and messages without the need for voice calls.
The development of SMS can be traced back to the 1980s, with the first text message sent