What are the disadvantages of using a linesman handset?

Using a linesman handset can have several disadvantages, including limited mobility due to its wired nature, which can restrict the user's ability to move freely during communication. Additionally, the audio quality may not be as clear as modern wireless communication devices, potentially leading to misunderstandings. Furthermore, the reliance on physical connections can make it less reliable in areas prone to environmental disturbances or wear and tear. Lastly, the handset may not support advanced features like text messaging or data transmission, which are common in contemporary communication tools.