Posted in Government & Military, Information Technology, Organizations C4CM stands for Centre for Change Management (UK) C4CM stands for Command, Control, Communications, and Computer Countermeasures (US DoD) C4CM stands for Clarent Class 4 Call Manager (software) C4CM Share Pinterest Tweet Whatsapp Post navigation C2RDBC6S Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.