Examples:

• Give me a call when you're ready to make some money.
• Give me a call next time you come to Boston.
• Give me a call the instant you get this message.
• Give me a call when you get bored of you-know-who.
• Give me a call when you get a chance, okay?
• Give me a call at this number, soon as you can.
• Give me a call when he needs an internship, okay?
• Give me a call if you want to talk, okay?
• Give me a call if you're ever back in the city.
• Give me a call if you get a sec, okay?