Global trading communication systems, compliance solutions, and network services provider IPC Corp. faces narrowing covenant headroom following weaker-than-expected operating performance and continued covenant step-downs. We are lowering our corporate credit rating on IPC to 'B-' from 'B', and removing all ratings from CreditWatch At the same time, we are lowering the issue-level rating on IPC's first-lien debt to 'B-' from 'B'. The recovery rating remains '3'. We are also lowering the issue-level rating on IPC's second-lien debt to 'CCC+' from 'B-'. The recovery rating on this debt remains '5'. The negative outlook reflects narrowing covenant headroom as modest deleveraging is offset by continued covenant step-downs. On June 12, 2017, S&P Global Ratings lowered its corporate credit rating on Jersey City,