That the LORD called Samuel: and he answered, Here am I.

and Jehovah calleth unto Samuel, and he saith, 'Here am I.'

The voice of the Lord said Samuel's name; and he said, Here am I.

And the Lord called Samuel. And responding, he said, "Here I am."

The Lord called Samuel - The voice probably came from the holy place, near to which Eli and Samuel were both lying.

That the LORD (e) called Samuel: and he answered, Here [am] I.
(e) Josephus writes that Samuel was 12 years old when the Lord appeared to him.

That the Lord called Samuel,.... By a voice which came forth from the most holy place, from between the cherubim, the seat of the divine Majesty:
and he answered, here am I; which was not intended to declare the place where he was, but to express his readiness and cheerfulness to do any thing that was required of him.