Lühisõnumiteenused
Lühisõnumiteenused, commonly known as SMS (Short Message Service), are a telecommunications service that allows the sending and receiving of short text messages between mobile phone devices. These messages are typically limited to 160 characters, though modern devices and networks can support longer messages through concatenation or other methods. SMS operates on the Global System for Mobile Communications (GSM) network but is also supported by other mobile network technologies.
The functionality of SMS is based on the control channels of the mobile network, meaning messages can
Despite the rise of instant messaging applications that utilize data connections, SMS remains a fundamental and