Mobile telephony refers to the technology that allows people to make and receive phone calls using portable devices, commonly known as mobile phones or cell phones. This technology relies on a network of cell towers that transmit signals wirelessly, enabling communication over long distances without the need for physical connections like wires. The evolution of mobile telephony has transformed how we connect with others. From the early days of analog phones to the current smartphones, advancements have led to features such as text messaging, internet access, and various applications. This has made mobile telephony an essential part of daily life for billions of people worldwide.