A Call Detail Record (CDR) is a log generated by a telecom service provider that includes detailed information about phone calls made or received on a specific number. This record usually includes:
Timestamp of the call (when the call was made or received)
Call duration (how long the call lasted)
Phone numbers involved (the caller and receiver)
Call type (whether it was incoming, outgoing, or missed)
Location data (geographical information about where the call was made or received)
Network details (such as which cell towers were used during the call)