Appendix A – Result Codes, Failure Causes, Other Tables
Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I) 177
Continued: Failure Cause from GSM 04.08 Recommendation +CEER
Cause Value Diagnostic
235 PDP unsuccessful activation cause NWK reject
236 PDP unsuccessful activation cause NO NSAPI available
237 PDP unsuccessful activation cause SM refuse
238 PDP unsuccessful activation cause MMI ignore
239 PDP unsuccessful activation cause Nb Max Session Reach
All Other Values in the Range Will Be Treated as Cause
[0,31] 31
[32,47] 47
[48,63] 63
[64,79] 79
[80,95] 95
[96,111] 111
[112,127] 127
Specific Failure Cause for +CEER
Cause value Diagnostic
240 FDN is active and number is not in FDN
241 Call operation not allowed
252 Call barring on outgoing calls
253 Call barring on incoming calls
254 Call impossible
255 Lower layer failure
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