Spanish phrase
Llama si ~.
Meaning
Give me a call if ___.
When to use it
A friendly request to be phoned for a specific reason. Common between acquaintances to ask for a call if plans change, polite but informal.
Example dialogue
Llama si vas a llegar tarde.
Give me a call if you're going to be late.
De acuerdo, te llamaré si me retraso.
Alright, I'll give you a call if I'm running late.