What does "he dials" mean in English for Spanish?

In English for Spanish, "he dials" means:

él marca (un número)

Listen to "he dials": (If you have an HTML5 enabled browser, you can listen to the native audio below)

This is a phrase that is used in the GamesForLanguage English for Spanish Language Game in the following scenes:

• English for Spanish 4, Level 1, Scene 1
• English for Spanish 4, Level 1, Scene 2
• English for Spanish 4, Level 1, Scene 3
• English for Spanish 4, Level 2, Scene 2