Spanish phrase
¿De parte de qué ~ llamas?
Meaning
On behalf of which ___ are you calling?
When to use it
Asks which organization or person the caller represents. Used in phone conversations to confirm affiliation in a neutral, everyday tone.
Example dialogue
¿De parte de qué empresa llamas?
On behalf of which company are you calling?
Llamo de Telefonía Global.
I'm calling from Telefonia Global.