Grameenphone is the largest telecommunications provider in Bangladesh with over 50 million subscribers. It has 11 divisions and 5 departments to manage operations. Grameenphone uses both formal and informal internal communication systems, including face-to-face communication, mobile phones, letters, and memos. Externally, it communicates through business letters, reports, and proposals. Communication flows downward from management to employees and upward from employees to management to share feedback. Grameenphone's effective communication skills help it achieve its goals and expand its business.