Communities of Practice(s) (COPs) have become an important instrument for knowledge transfer in Ghana's telecom industry. It functions as a catalyst in enabling telecommunications' competitive advantage as the key industry on the development agendas of African countries. The study deals with the introduction, methodology, discussions, significance of the study, limitations of the study, future directions, and conclusions. The study used a systematic review technique to analyse the literature and discuss and present conclusions. The findings demonstrated that CoPs have strengthened a variety of essential abilities in the telecoms industry, allowing information from the company's technical and operational sectors to be diffused across the organization's broad skill set. The study suggests that the key aspects of a successful CoPs are ensuring that learning is a social force, knowledge is unified into the community's culture, standards, and language, learning and community affiliation are inseparable, knowledge and experience are indivisible, and authorization is essential to learning.