1
Q
2
A
IMSI unknown in HLR
2
Q
3
A
Illegal MS
3
Q
4
A
IMSI unknown in VLR
4
Q
5
A
IMEI not accepted
5
Q
6
A
Illegal ME
6
Q
11
A
PLMN not allowed
7
Q
12
A
Location area not allowed
8
Q
13
A
Roaming not allowed in this location area
9
Q
17
A
Network failure
10
Q
22
A
Congestion
11
Q
32
A
Service option temporarily out of order
12
Q
38
A
Call cannot be identified
13
Q
48-63
A
Retry upon entry into a new cell
14
Q
95
A
Semantically incorrect message
15
Q
96
A
Invalid mandatory information
16
Q
97
A
Message type non-existent or not implemented
17
Q
98
A
Message type not compatible with the protocol state
18
Q
100
A
Conditional IE Error
19
Q
101
A
Message not compatible with the protocol state
20
Q
111
A
Protocol error, unspecified
GSM
flashcards
Decks in class (6)
# Cards
