Siemens Brodersen MC55 AT User Manual
Page 74
MC55_ATC_V04.00
Page 74 of 475
3/17/06
Confidential / Released
3.4.4
GSM release cause for Mobility Management (MM) or Session
Management (SM)
3
Access class of the SIM is barred by the network provider
4
SABM failure
5
Radio link counter expiry or PerformAbnormalRelease
6
Confirm ABORT of the MM
7
Respond to DEACT REQ
8
Loss of coverage
9
Reestablishment not possible
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
22
Congestion
Causes related to nature of request
25
PDP context is deactivated because of a LLC or SNDCP failure
32
Service option not supported
33
Requested service option not subscribed
34
Service option temporarily out of order
36
Regular PDP context deactivation
38
Call cannot be identified
Causes related to invalid messages
95
Semantically incorrect message
96
Invalid mandatory information
97
Message type non-existent or not implemented
98
Message not compatible with protocol state
99
Information element non-existent or not implemented
100
Conditional information element error
101
Messages not compatible with protocol state
111
Protocol error, unspecified
Number
Description