RR层MM层CC层_原因值产生原因汇总.doc

GSM规范RR层原因值产生原因汇总 原因值 (10进制) 原因描述 可能产生的原因 0(0x0) Normal event 正常释放 1(0x1) Abnormal release, unspecified 2(0x2) Abnormal release , Channel unacceptable 3 Abnormal release, timer expired 4 Abnormal release, no activity on the radio path 5 Pre-emptive release 8 Handover impossible, timing advance out of range 9 Channel mode unacceptable 10 Frequency not implemented 65 Call already cleared 95 Semantically incorrect message; 96 Invalid mandatory information 97 Message type nonexistent or not implemented 98 Message type not compatible with protocol state 100 Conditional IE error 101 No cell allocation available 111 Protocol error unspecified GSM规范MM层原因值产生原因汇总 原因值 (10进制) 原因描述 可能产生的原因 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 22 Congestion Causes related to nature of request 32 Service option not supported 33 Requested service option not subscribed 34 Service option temporarily out of order 38 Call cannot be identified Causes related to invalid messages 95 Semantically incorrect message 96 Invalid mandatory information. 97 Message type nonexistent or not implemented 98 Message not compatible with protocol state. 99 Information element nonexistent or not implemented 100 Conditional IE error 101 Message not compatible with protocol state 111 Protocol error, unspecified GSM规范CC层原因值产生原因汇总 原因值 (10进制) 原因描述 可能产生的原因 Normal class 1 unassigned (unallocated) number 3 no route to destination 6 channel unacceptable 8 operator determined barring 16 normal call clearing 17 user busy 18 no user responding 19 user alerting, no answer 21 call rejected 22 number changed 26