French phrase
Je vous mets en haut-parleur.
Meaning
I'll put you on speakerphone.
When to use it
Used when moving a call to speakerphone. It is polite and matter-of-fact in business calls.
Example dialogue
Je vous mets en haut-parleur.
I'll put you on speakerphone.
Parfait, merci, je vous écoute.
Perfect, thank you. I'm listening.