I have just gotten from other website.
Content:
1 Introduction. 2
2 Dropped Calls Classification. 3
2.1 Missing Neighbours. 3
2.2 Poor Coverage. 4
2.3 Bad Radio Environment 5
2.4 Congestion. 6
2.5 Not Radio. 7
2.6 Equipment Fault 8
3 Blocked Calls Classification. 9
3.1 Missing Neighbour 10
3.2 Poor RF (Bad Coverage and Radio Environment) 11
3.3 Equipment Fault (UE) 12
3.3.1 Security and Authentication Mode Failure. 12
3.3.2 UE Freeze. 13
3.4 Not Radio. 14
3.4.1 Disconnect on RAB Setup. 14
3.4.2 Resources Unavailable (Congestion) 15
3.4.3 UE Sensitivity Fault 16
3.5 Abnormal blocked calls. 17
3.5.1 Unclassified - Unanswered RRC requests. 17
3.5.2 Faulty Block Recording - Barred Network. 18
3.5.3 Call Initialisation during L.U. signalling. 19I hope it is useful for you.
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