Debian Bug Tracking System investigates reported bugs. The gurgle was digital data, rather like a fax machine wrongly connected to a phone. Just hang up and ignore. You can report by email but then your email address is openly visible to spammers, could do more harm than good.
Denebian Bugs can be found on Deneb, for example a Denebian snail is an animal lifeform originating from Denebian space. After causing Kattane's pet Lhen-Ny to escape on the Promenade of Deep Space 9, Worf commented he wished Kattane had a slow pet like a Denebian snail....from Star Trek