The incoming called number. is needed for part of the call.  It does not replace the default dial-peer. You need both.First part of the call is from the CallManager and out of PRI port.  The inbound call leg, the VoIP, from CallManager to the voice g...

I don't see a dial peer sending the received call back to CallManager.  This would cause the unallocated number error if the voice gateway does not have anywhere to send the received/incoming PRI call.Looks to me that you are stripping the leading 9 ...