BGS2T AT Command Set
3.4 AT+CEER
BGS2T_ATC_V01.301 Page 79 of 554 1/31/12
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3.4.4 Proprietary release cause for L3 Radio Resource (RR)
3.4.5 GSM release cause for Mobility Management (MM) or Session
Management (SM)
97 message type non-existent or not implemented
98 message type not compatible with protocol state
100 conditional information element error
101 no cell allocation available
111 protocol error unspecified
Number Description
1 RACCHs not answered
2 RACCHs rejected
3 access class of the SIM is barred by the network provider
4 SABM failure
5 radio link counter expiry or perform abnormal release
6 confirm ABORT of the MM
7 respond to DEACT REQ
8 loss of coverage
9 reestablishment not possible
10 T3122 still running
11 cell selection in progress
12 responding to paging
13 location area code has changed
14 circuit switched not available
Number Description
causes related to MS identification
2 IMSI unknown in HLR
3 illegal MS
4 IMSI unknown in VLR
5 IMEI not accepted
6 illegal ME
cause related to subscription options
11 PLMN not allowed
12 location area not allowed
13 roaming not allowed in this location area
causes related to PLMN specific network failures and congestion
17 network failure
Number Description
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