All call data saved from your call logs serve as your phone call record history. It includes the type (e.g., phone call, fax, voicemail), activity (missed call, etc.), call duration, and date and time.
The call details do not focus on the exact phone call content. Instead, it collects and analyses your phone calls' statistical and technical data.
Some call log information recorded may include the caller ID, caller ID extension, call origin, call destination, and other transmission details such as a phone call's start and end times, even the specific network used.