AT Command Set
MC35_ATC_01_V04.00 Page 227 of 238 02.04.2002
Number Description
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 mandantory 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
9.1.17 SIEMENS release cause for Session Management (SM) (AT+CEER)Number Description
3The MS has not got any answer to the ACTIVATE PDP CONTEXT request message
sent five times to the network
4A MT PDP context which is active or in the activation proc ess is deactivated because
another MT PDP context with the same TI is requested by the network to be ac tivated
5A MT PDP context which is active or in the activation proc ess 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 res ources'
to the network because the SM was not able to perform the necessary comparisons
for a static PDP address collision detection.
6A MT PDP context which is active or in the activation proc ess is deactivated because
another MT PDP context with the same TI is requested by the network to be activated.
As a static PDP address collision with an MO activating PDP context has been de-
tected by the SM the SM discards the activation request
7A MT PDP context request has been indicated but could not be processed in time.
The activation request is rejected by the SM sending the cause 'insufficient res ources'
to the network.
9.1.18 SIEMENS release cause for GPRS API (AT+CEER)Number Description
0Regular deactivation of the call
1Action temporarily not allowed
2Wrong connection type
3Specified data service profile invalid
4PDP type or address is unknown
255 Undefined