Examples:

• I'll call back later and make it crystal clear, okay?
• All right, fine, I'll call back later.
• Got to go, I'll call back later.
• Tell him, I'll call back later.
• Well, then I'll call back later.
• Tell him I'll call back later.
• Okay, I'll call back later.
• Yeah, I'll call back later.
• Well, then I'll call back later.
• Okay, I'll call back later.