MC55 AT Command Set
3.4 AT+CEER s
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MC55_ATC_V01.05 Page 83 of 469 2/10/04
Confidential / Released
3.4.11 SIEMENS release cause for Session Management (SM)26 Insufficient resources
27 Unknown or missing access point name
28 Unknown PDP address or PDP type
29 User authentification failed
30 Activation rejected by GGSN
31 Activation rejected, unspecified
32 Service option not supported
33 Requested service option not subscribed
34 Service option temporarily out of order
35 NSAPI already used
36 Regular PDP context deactivation
37 QoS not accepted
38 Network failure
39 Reactivation requested
40 Feature not supported
Causes related to invalid messages
81 Invalid transaction identifier value
95 Semantically incorrect message
96 Invalid mandatory information
97 Message type non-existant or not implemented
98 Message type not comaptible with protocol state
99 Information element non-existent or not implemented
100 Conditional information element error
101 Message not compatible with protocol
111 Protocol error, unspecified
Number Description
3 The MS has not got any answer to the ACTIVATE PDP CONTEXT request mess age sent five
times to the network
4 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
5 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. The activation
request is rejected by the SM sending the cause 'insufficient resource s' to the network
because the SM was not able to perform the necessary comparisons for a static PDP address
collision detection.
Number Description