Call Clearing Cause Codes
Issue 5 - 04/01 A4-9
VN
126 Switch to conversation mode
127 Interworking, unspecified
This indicates that there has been interworking with
a network which does not provide cause codes for its
actions. Therefore the precise cause for a message
being sent is not known.
Cause Codes
Cause
Number Cause
1 Invalid call reference value
3 Bearer service not implemented
7 Call identity does not exist
8 Call identity in use
10 No channel available
16 Requested facility not implemented
17 Requested facility not subscribed
32 Outgoing calls barred
33 User Access Busy
34 Connection not possible due to CUG
(Closed User Group)
35 CUG does not exist
37 Connection not possible
53 Destination not obtainable
56 Number changed
App04.P65 01/05/01, 09:229
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