User`s guide

A-10 Preliminary November 23, 1998 MultiVoice Gateway for the MAX— User’s Guide
Troubleshooting
ISDN cause codes
Table A-7 lists the cause codes for the 1TR6 switch type.
93 Mandatory information element is missing
95 Invalid message, unspecified
96 Mandatory information element is missing
97 Message type nonexistent or not implemented
98 Message not compatible with call state, or message type nonexistent
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 nonexistent or not implemented
111 Protocol error, unspecified
127 Internetworking, unspecified
Table A-7. ISDN cause codes for 1TR6 switch type
1TR6 Code Cause
1 Invalid call reference value
3 Bearer service not implemented. (Service not available in the
A-exchange or at another position in the network, or no application
has been made for the specified service.)
7 Call identity does not exist. (Unknown call identity)
8 Call identity in use. (Call identity has already been assigned to a
suspended link.)
10 No channel available. (No useful channel available on the subscriber
access line—only local significance.)
16 Requested facility not implemented. (The specified FAC code is
unknown in the A-exchange or at another point in the network.)
17 Request facility not subscribed. (Request facility rejected because the
initiating or remote user does not have appropriate authorization.)
Table A-6. ISDN cause codes (continued)
Code Cause