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Cisco BTS 10200 Softswitch Troubleshooting Guide, Release 5.0.x
OL-8723-19
Chapter 10 Signaling Troubleshooting
Monitoring Signaling Events
Integrated Services Digital Network: Unable to Send the SERVICE Due to the
SERVICE Timer Expired—Signaling (74)
The Integrated Services Digital Network: Unable to Send the SERVICE Due to the SERVICE Timer
Expired event serves as a warning that the ISDN signal adapter was unable to send a service message
due to the service timer being expired. The primary cause of the event is that the ISDN signaling adapter
was unable to send a SERVICE message due to the expiration of the SERVICE timer. To correct the
primary cause of the event, ensure that the RESTART timer is set to an appropriate level.
Signaling System 7 Stack not Ready—Signaling (75)
The Signaling System 7 Stack not Ready alarm (critical) indicates that the SS7 stack in not ready. To
trouble and correct the cause of the Signaling System 7 Stack not Ready alarm, refer to the
System 7 Stack not Ready—Signaling (75)” section on page 10-139
.
Timeout on Remote Instance—Signaling (76)
The Timeout on Remote Instance event functions as an informational alert that communication on a
remote instance timed out. The primary cause of the event is that communication between call agent and
remote instance is faulty. The event is informational and no further action is required.
Integrated Services Digital Network D-channel Switchover for Non-Facility
Associated Signaling—Signaling (77)
The Integrated Services Digital Network D-channel Switchover for Non-Facility Associated Signaling
event functions as an informational alert that an ISDN D-channel switchover has occurred non-facility
associated signaling (NFAS). The primary cause of the event is that the operator manually switched the
D-channels using the CLI. To verify the primary cause of the event, verify operator action. The
secondary cause of the event is that the active D-channel was lost. To correct the secondary cause of the
event, verify that gateway is operational and connection to PBX is good.
Integrated Services Digital Network Single D-channel Down for Non-Facility
Associated Signaling—Signaling (78)
The Integrated Services Digital Network Single D-channel Down for Non-Facility Associated Signaling
alarm (minor) indicates that one of the ISDN D-channels in the PRI is down. To troubleshoot and correct
the cause of the Integrated Services Digital Network Single D-channel Down for Non-Facility
Associated Signaling alarm, refer to the
“Integrated Services Digital Network Single D-channel Down
for Non-Facility Associated Signaling—Signaling (78)” section on page 10-139
.