Subscriber‘s LU in network or not

To check LU of an inbound subscriber( subscriber from foreign operator) in our network:

First select all MSC server in M2000, then execute the DSP USRALLDATA in MML command 

Search can be done by selecting MSISDN or IMSI or IMEI etc.

To check LU of a subscriber of our own network:

First check MSC number of the subscriber from HLR, then select the MSC in M2000, then execute the command  

DSP USRALLDATA