BGS2T AT Command Set
3.4 AT+CEER
BGS2T_ATC_V01.301 Page 87 of 554 1/31/12
c
3.4.14 Proprietary release cause for GPRS Mobility Management
3.4.15 Proprietary release cause for Session Management (SM)
24 No fallback in application mode (the USSD string transmission according to phase 2 was
rejected by the network but the MS is not allowed to re-transmit the string when using USSD
application mode)
25 No TI available (there are no transaction identifiers left to fullfil the request)
26 No peer response
Number Description
0 Unknown
1 Authentication and ciphering reject
17 Internal error (not used)
19 Power off
20 SIM invalid
21 SIM out
22 GMM (GPRS Mobility Management) is in deactivation (not used)
23 Virtual detach
32 Successful update
33 Fifth attempt
34 VLR (Visitor Location Register) failure
35 Local detach
36 Attempt counter increment
48 GAPI initiated detach
49 Network initiated detach with reattach
50 Network initiated detach no reattach no cause
51 Paging with IMSI
64 MS not GPRS attached
65 RAT (Radio Access Technology) is GSM/GPRS
66 GPRS temporary not available (includes no coverage)
80 T3317 expiry
81 PS connection already released
Number Description
1 The MS has not got any answer to the activate (secondary) PDP context request message
sent five times to the network
2 The MS has not got any answer to the MODIFY PDP CONTEXT REQUEST message sent
five times to the network
3 A MT PDP context which is active or in the activation process is deactivated because another
MT PDP context with the same TI is requested by the network to be activated
Number Description