Good. Skyler makes his way to the wall as well, putting his ear up against it. The voices are a little muffled, but fortunately the two conversationalists are standing close enough to make things clear.

'... wanna piss your people off, but goddamn, you don't know what it's like havin' all this sick shit and watching your people getting capped anyway. We need something better, man.'

... It sounds like someone's trying to make a deal with the Keys' suppliers. Looks like this network guy had just stumbled onto something important. Skyler keeps a careful watch on him, but continues listening quietly, trying to keep an ear on the guards out in the hall at the same time. He can't possibly pay attention to EVERYTHING, though.