As a Chicago woman I can say that you are incorrect. There are a lot of Ks and Ws in Polish, which are absent in the example. That word is definitely German.
I tried doing something similar to this years ago with Verizon. Finally the automated messaged just said " I am unable to understand your request, goodbye"
I thought it was the funniest yet most irritating thing at the time.
On verizon I use the keypad. I still remember the options menu from before.
They tried shutting me out of it. So I started paying in cash at a store for 6 months. Now they have to be responsible for taking that money to the bank. Suddenly the next time I called, the keypad menu worked again.
I had something like this before as well! I kept asking the robot to be connected to a representative. And at the end it just said it couldn't help me and hung up!! Dude I was so pissed.
Cursing doesn't work as well as it did a few years back, but I try it on the chance it does! I Hulk out on the robot and then turn Bruce Banner on the rep.
Fun fact, a lot of these systems are set up to detect what a customer gets angry and starts yelling and swearing into the phone, and then expediting them to a person. Do with that what you want.
Some versions of that system will detect frustration and connect you to a representative, so if you just swear at it a few times, you get into the human queue immediately.