A Modulator/Demodulator (Modem) is a device that translates digital signals from a computer into analog signals for transmission over communication lines, and then back into digital form.
MOS (Mean Opinion Score) is a metric used to evaluate the quality of voice communication in telephony systems, based on subjective feedback from users who rate the call experience.
MPLS (Multiprotocol Label Switching) is a technique used in networking to route data efficiently by assigning labels to packets, improving speed and performance across wide-area networks.
MSAR (Mobile Switching Area Register) stores data related to the switching and routing of mobile calls within a specific region, managing user mobility and call continuity.
MSBR (Multi-Service Business Router) is a device that consolidates multiple services, such as voice, data, and security, into a single router, simplifying network management for businesses.
MTU (Maximum Transmission Unit) refers to the largest size of a packet that can be transmitted over a network, influencing the efficiency of data transmission and reducing fragmentation.