So here is the scenario.
PRI w/DID numbers
DID number matches system speed call. (2182)
System speed call matches extension. (1031)
Extension is re-routed always to external number (9xxxxxxx)
When DID is dialed from outside you just get silence.
When Speed call or Extension are dialed from inside, the forward works as desired.
If a speed call is set up that matches a DID, with (9xxxxxxx) the call will forward correctly.
WTF?
-Chak