Lol, that might have been funny, but I don't know if Foggy would just let that go, he'd probably get pissed off with 'Matt' about it if he thought he was messing with him. Well, unless he noticed earlier and asked Mike about it and he said it must have been a pocket dial. As long as Matt didn't leave him a voicemail, it'd be fine.

I bet Matt memorizes people's numbers, he'd be able to borrow someone else's phone to call Foggy, or use a payphone if he can find one and has some change in his pocket. Or he could even call Mike on his own number and yell at him while Mike pretends to Foggy that it's a sales call or something :-D