Mary! Mary! The telephone. It's Sam. I'll get it.
6 seconds sound clip from the It's a Wonderful Life (1946) movie soundboard.
You can hear this line at 00:46:35 in the Blu-ray version of the movie.
Quote context
[...]
- Sam Wainwright promised to call you from New York tonight.
- What's your mother mean? You know, I didn't come here to...
- What did you come here for, then?
- I don't know. You tell me. You're supposed to be the one that has all the answers. You tell me.
- That's where I'm going. I don't know why I came here in the first place.
- Mary! Mary! The telephone. It's Sam. I'll get it.
- Whatever were you doing that you couldn't hear?
(she grabs the vinyl record and cracks it)
- Hello?
[...]