Problem with SGSN Location Update Reject during UE attach

Neels Hofmeyr nhofmeyr at sysmocom.de
Tue Oct 16 10:34:58 UTC 2018


Surely you have noticed the MM Location Updating Reject message in your pcap.
You are attaching fine to the SGSN (GMM), but are being rejected by the MSC
(MM). Hence your phone doesn't like it and leaves.

~N
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