3 ms·Even an office PBX has listen, whisper and barge. Why wouldn't a telco-grade switch have it?by razakel 5mo agoEven an office PBX has listen, whisper and barge. Why wouldn't a telco-grade switch have it?firebot 5mo agoSure. Nothing surprising in and of itself. But allowing law enforcement to access that system without a warrant is a clear 4th amendment violation.razakel 5mo agoOr there is a warrant, but it's secret.