2N StarGate/BlueTower v5.5 User Manual
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Error GSM/UMTS Causes
Set the ISDN release cause for each of the below mentioned statuses. Every call that
meets any of the below mentioned requirements, will be rejected with a user defined
cause (the ISDN cause number will be translated to VoIP as a SIP code as defined
below).
Lack of digits in OVERLAP mode – any call that fails to meet the minimum
digits count requirement will be rejected.
Restricted number prefix – any call whose prefix is not included in any of the
prefix lists will be rejected.
Selected module / GSM group is not ready – a call will be rejected in case
there is no available GSM module in the selected (by LCR) outgoing GSM group.
Selected module / GSM groups are not ready – a call will be rejected in case
there is no available GSM module in the selected (by LCR) outgoing GSM groups.
ISDN cause
value
Description
SIP
code
Description
1
Unallocated number
410
Gone
3
No route to destination
404
Not found
6
Channel unacceptable
503
Service unavailable
16
Normal call clearing
BYE
17
User busy
486
Busy here
18
No user responding
480
Temporarily
unavail.
19
No answer from user
480
Temporarily
unavail.
21
Call rejected
603
Decline
22
Number changed
410
Gone
27
Destination out of order
404
Not found
28
Address incomplete
484
Address incomplete
29
Facility rejected
501
Not implemented
31
Normal, unspecified
BYE
34
No circuit available
503
Service unavailable
38
Network out of order
503
Service unavailable
41
Temporary failure
503
Service unavailable
42
Switching equipment congestion
503
Service unavailable
44
Requested facility not subscribed
503
Service unavailable
47
Resource unavailable
503
Service unavailable
50
Requested facility not subscribed
503
Service unavailable
55
Incoming class barred within CVG
603
Decline
57
Bearer capability not authorised
501
Not implemented
58
Bearer cap, unavailable at
present
503
Not implemented
63
Service or option unavailable
501
Service unavailable
65
Bearer cap, not implemented
501
Not implemented
79
Service or option not
implemented
501
Not implemented
87
User not member of CVG
603
Decline
88
Incompatible destination
400
Bad request
98
Invalid message
400
Bad request
102
Recover on timer expiry
408
Request timeout
XXX
The other received CAU from
netw.
500
Internal server
error