There are 2 ccm(1 for publisher,1 for subscriber), 2 ivr, icm sideA(include router,logger,cg,pg,cti os,aw), icm sideB(include router,logger,cg,pg,cti os,aw,too) in our ipcc system. how to configure ccm and ivr in PG for duplex? is there any docments ...