PG Registry: \\ICM\<icm instanbce>\PG<x>A\PG\Current Vesion\JGWS\jgw1\JGWData\Dynamic\

UseRedirectAddressSearchSpace

Values can be 0,1,2
0 = Default
1 = Calling Search Space (The Gateway - which is also the same as default) 2 = Is Agents Phone (which is what you usually want)