Request
|
2
|
Local Detach
|
3
|
Complete
|
4
|
RAT changed
from 3GPP to Non-3GPP
|
5
|
ISR
deactivation
|
6
|
Error
Indication received from RNC/eNodeB
|
Accept
|
16
|
Request
accepted
|
17
|
Request
accepted partially
|
18
|
New PDN type
due to network preference
|
19
|
New PDN type
due to single address bearer only
|
Reject
|
64
|
Context Not
Found
|
65
|
Invalid
Message Format
|
66
|
Version not
supported by next peer
|
67
|
Invalid length
|
68
|
Service not
supported
|
69
|
Mandatory IE
incorrect
|
70
|
Mandatory IE
missing
|
71
|
Reserved
|
72
|
System failure
|
73
|
No resources
available
|
74
|
Semantic error
in the TFT operation
|
75
|
Syntactic
error in the TFT operation
|
76
|
Semantic
errors in packet filter(s)
|
77
|
Syntactic
errors in packet filter(s)
|
78
|
Missing or
unknown APN
|
79
|
Unexpected
repeated IE
|
80
|
GRE key not
found
|
81
|
Relocation
failure
|
82
|
Denied in RAT
|
83
|
Preferred PDN
type not supported
|
84
|
All dynamic
addresses are occupied
|
85
|
UE context
without TFT already activated
|
86
|
Protocol
type not supported
|
87
|
UE not
responding
|
88
|
UE refuses
|
89
|
Service
denied
|
90
|
Unable to
page UE
|
91
|
No memory
available
|
92
|
User
authentication failed
|
93
|
APN access
denied - no subscription
|
94
|
Request
rejected
|
95
|
P-TMSI
Signature mismatch
|
96
|
IMSI not
known
|
97
|
Semantic
error in the TAD operation
|
98
|
Syntactic
error in the TAD operation
|
99
|
Reserved
Message Value Received
|
100
|
Remote peer
not responding
|
101
|
Collision
with network initiated request
|
102
|
Unable to
page UE due to Suspension
|
103
|
Conditional
IE missing
|
104
|
APN
Restriction type Incompatible with currently active PDN connection
|
105
|
Invalid
overall length of the triggered response message and a piggybacked initial
message
|
106
|
Data
forwarding not supported
|
107
|
Invalid
reply from remote peer
|
116 to 239
|
Spare. This
value range is reserved for Cause values in rejection response message.
|
Sub-Causes
|
NO_INFORMATION
|
ABORTED_BY_SESSION_DELETION
|
NO_RESPONSE_FROM_MME
|
INTERNALLY_TRIGGERED
|
BEARERS_IN_MULTIPLE_PDN_CONNECTIONS
|
EXPECTED_BEARERS_MISSING_IN_MESSAGE
|
UNEXPECTED_BEARERS_PRESENT_IN_MESSAGE
|