Alright guys, I've been at "Company X" for some time now, and they want me to figure out why the SV-8100 is not paging. I determined that the Valcom 2000A works, the speakers work (I've run music through them from the Valcome 2000A on the Tip/Ring side, but the system will not page under any circumstance when using external paging from the phone. Can anyone help me figure out what to do, what the set, etc...?