German phrase
~ ist außer Haus.
Meaning
___ is out of the office
When to use it
It says someone is away. Common in calls; it does not say when they will return.
Example dialogue
Kann ich Herrn Meier sprechen?
Can I speak to Mr. Meier?
Herr Meierist außer Haus.
Mr. Meier is out of the office.