I don't think you were rude at all! I am also responsible for screening all phone calls and it's irritating to deal with someone like this. Most of the time they say they'll call back later so then I tell them, "I screen ALL of Mr. White's calls and if you call back, you're going to get me again, so may as well tell me what you need." Most of the time it is a solicitation and I can handle it without bothering the boss. It's a vicious circle if I hand the phone to Mr. White from someone who's soliciting......First he gives me that LOOK, then he tells the caller he's not interested, then he hangs up and CHEWS my arse! NOPE, you weren't rude! You'd probably lose your job if you handed him the phone everytime someone called.
I'm MWhite on Ravelry, too...add me to your friends