The global?Push-To-Talk over Cellular (PTToC) Market?is estimated to be valued at US$ 4.3 Billion in 2021, and register a CAGR of over 11% during the forecast period (2021-2031), with revenues in the public safety and security segment growing at a robust 12.8% CAGR, according to a revised study by Persistence Market Research. Land Mobile Radio (LMR) has been one of the most preferred communication networks for a variety of industries in the past few years. However, various limitations of LMR systems, such as short network range and high capital investment, are responsible for the growth of push-to-talk over cellular technology.