User`s guide

206 XSR User’s Guide
ISDN (ITU Standard Q.931) Call Status Cause Codes Chapter 9
Configuring Integrated Services Digital Network (ISDN)
79 Service or option not implemented, unspecified
81 Invalid call reference value
82 Identified channel does not exist
83 A suspended call exists, but this call identity does not
84 Call identity in use
85 No call suspended
86 Call having the requested call identity has been cleared
87 Called user not member of CUG
88 Incompatible destination
89 Non-existent abbreviated address entry
90 Destination address missing, and direct call not subscribed
91 Invalid transit network selection (national use)
92 Invalid facility parameter Mandatory information element is missing
95 Invalid message, unspecified
96 Mandatory information element is missing
97 Message type non-existent or not implemented
98 Message not compatible with call state or message type non-existent or not
implemented
99 Information element nonexistent or not implemented
100 Invalid information element contents
101 Message not compatible with call state
102 Recovery on timer expiry
103 Parameter non-existent or not implemented - passed on
111 Protocol error, unspecified
Table 9 Call Status Cause Codes (Continued)
Code Cause