Anonymous Call RejectionAnonymous Call Rejection blocks unwanted calls previously established with LEC. However, this feature will not allow any incoming call marked private or anonymous. Although, these callers receive a message telling them the called party is not accepting anonymous calls or private calls. Sometimes LEC... (ACR) blocks unwanted calls previously established with LEC. However, this feature will not allow any incoming call marked private or anonymous. Although, these callers will receive a message telling them the called party is not accepting anonymous calls or private calls.