If there is no answer at any phone, the caller can leave a voice mail message.

One caller had not left a message, but the other had.

The caller left a name and number that turned out to be false, he said.

If an investigator is not in the office at the time of a call, the caller may leave a message on the voice mail system.

I didn't recognize the voice, and the caller hadn't left a number for me to phone.

Not every call requires that the caller leave a name.

Every time, as if reading from a script, the caller would leave nothing out.

With this system a caller can leave a written message.

Detectives hurried back to the phone, but the caller had left.

The police said the caller had left the scene before officers arrived.