What is another word for caller id?
Pronunciation: [kˈɔːləɹ ˌa͡ɪdˈiː] (IPA) 
Caller ID is a very common term that most people are familiar with. However, there are several other synonyms that can be used to describe the same functionality. One popular term is "calling line identification" or CLI. This term is commonly used in the telecom industry and refers to the ability to identify the caller's phone number when making a call. Another commonly used synonym is "phone number display" or PND, which is quite self-explanatory. Lastly, "call display" is another synonym that is used in many parts of the world. Regardless of the term used, the overall purpose is to identify the caller before answering the phone.
