User`s guide

XSR User’s Guide 205
Chapter 9 ISDN (ITU Standard Q.931) Call Status Cause Codes
Configuring Integrated Services Digital Network (ISDN)
41 Temporary failure
42 Switching equipment congestion
43 Access information discarded
44 Requested circuit channel not available
45 Pre-empted
46 Precedence call blocked
47 Resource unavailable - unspecified
49 Quality of service unavailable
50 Requested facility not subscribed
51 Reverse charging not allowed
52 Outgoing calls barred
53 Outgoing calls barred within CUG
54 Incoming calls barred
55 Incoming calls barred within CUG
56 Call waiting not subscribed
57 Bearer capability not authorized
58 Bearer capability not presently available
63 Service or option not available, unspecified
65 Bearer service not implemented
66 Channel type not implemented
67 Transit network selection not implemented
68 Message not implemented
69 Requested facility not implemented
70 Only restricted digital information bearer capability is available
Table 9 Call Status Cause Codes (Continued)
Code Cause