After migrating a 5.0.3.46 system from ISDN to SIP, the users report that Silent Monitor no longer works. Reading the requirements for monitor/Barge-In, it says,
A monitor/Barge-In call is rejected if:
...
• The hunt group member/agent is on a peer-to-peer (P2P) call.
so if the 5000 steps out of the audio path once the SIP call is set up [as with MCD] then presumably the call becomes peer to peer?