Furuno FELCOM 70 Operator's Manual page 197

12B1/71 Internal call manager busy
12B1/72 Congestion, can't connect lines, internal dialing.
12B1/73 Congestion, can't get line, internal dialing.
12B1/74 Internal number unallocated
12B1/75 Incompatible destination for internal call
12B1/76 Invalid CallRef, (Too late, another call process got the call)
12B1/77 Too late, another call process got the call, (ISDN:
non_selected_user_clearing)
12B1/78 Local interface too busy to handle the call
12B1/79 Used by LOADING, transfer_blocked
12B1/80 Local number analysis failed, dialled_number_rejected
12B1/81 Doppler Compensation error: Too large speed or too large error
12B1/82 Internal interface timer expired (e.g. ISDN protocols)
12B1/83 Internal retrieve error
12B1/84 Internal retrieve blocking, can't allocate or connect channels
12B1/85 Internal rearrangement error, probably race condition
12B1/86 Internal IPDS(MPDS) protocol error, int_ipds_protocol_error
12B1/87 Manual control of the system (test and type approval)
12B1/88 Internal decession to clear or abort activity due to unexpected SW
sequence
12B1/89 The communication link to RFB has failed, rfb_comm_failed
12B1/90 The RFB failed to tune the digital attenuator, rfb_attenuator_failed
12B1/91 The IPDS(MPDS) service is not allowed due to local terminal
configuration, restore to factory defaults
12B1/92 No originator id is defined for IPDS(MPDS), local configuration is
incorrect, restore to factory defaults
12B1/93 No response was received from the IPDS(MPDS) host system
within the allowed time
12B1/94 The device connected to the terminal (PC) cleared the call
12B1/95 The bulletin board information required for IPDS(MPDS) is
unavailable
12B1/96 The IPDS(MPDS) call was disallowed or preemptied by another
activity local to the MES
12B1/97 The terminal received a request to de register from the
IPDS(MPDS) host
12B1/98 Synch to the LESP was lost during a call, ipds_sync_lost, verify
correct user name/password
12B1/99 Unable to tune to one of the IPDS(MPDS) channels
12B1/100 Modem unit hardware does not support IPDS(MPDS) service,
12B1/101 RFB hardware does not support IPDS(MPDS) service,
12B1/102 The attempt to register with IPDS(MPDS) was rejected
12B1/103 The attempt to establish a IPDS(MPDS) connection was rejected
12B1/105 Timeout is attempt to setup a IPDS(MPDS) connection
12B1/106 Attempt to establish a IPDS(MPDS)connection was rejected
12B1/107 The MES failed to handle the IPDS(MPDS) data within the allowed
time, ipds_too_slow
12B1/108 Internal error within the IPDS(MPDS) software
12B1/114 The call was preempted by a call waiting
7. TROUBLESHOOTING
7-11