Unanswered Circuit Group Unblocking Message—Signaling (28) - Cisco BTS 10200 Troubleshooting Manual

Monitoring Signaling Events
Unanswered Circuit Group Unblocking Message—Signaling (28)
The Unanswered Circuit Group Unblocking Message event serves as a warning that a CGU message was
not answered. The primary cause of the event is that a CGU message was not acknowledged before the
T21 expired for the associated CIC. To correct the primary cause of the event, verify that the SS7
signaling adapter processes is running normally. Verify that the call agent platform is active. Verify that
the SS7 interface hardware is in service. Verify that the associated SS7 signaling link is available. Verify
that the T13 timer is set to an appropriate level. Verify that the SS7 link is not congested.
Unanswered Circuit Query Message—Signaling (29)
The Unanswered Circuit Query Message event serves as a warning that a CQM message was not
answered. The primary cause of the event is that a CQM message was not acknowledged before the T28
expired for the associated CIC. To correct the primary cause of the event, verify that the SS7 signaling
adapter processes is running normally. Verify that the call agent platform is active. Verify that the SS7
interface hardware is in service. Verify that the associated SS7 signaling link is available. Verify that
the T13 timer is set to an appropriate level. Verify that the SS7 link is not congested.
Unanswered Circuit Validation Test Message—Signaling (30)
The Unanswered Circuit Validation Test Message event serves as a warning that a CVT message was
not answered. The primary cause of the event is that a CVT message was not acknowledged before the
Tcvt expired for the associated CIC. To correct the primary cause of the event, verify that the SS7
signaling adapter processes is running normally. Verify that the call agent platform is active. Verify that
the SS7 interface hardware is in service. Verify that the associated SS7 signaling link is available. Verify
that the T13 timer is set to an appropriate level. Verify that the SS7 link is not congested.
Unanswered Reset Circuit Message—Signaling (31)
The Unanswered Reset Circuit Message event serves as a warning that a RSC message was not
answered. The primary cause of the event is that a RSC message was not acknowledged before the T17
expired for the associated CIC. To correct the primary cause of the event, verify that the SS7 signaling
adapter processes is running normally. Verify that the call agent platform is active. Verify that the SS7
interface hardware is in service. Verify that the associated SS7 signaling link is available. Verify that
the T13 timer is set to an appropriate level. Verify that the SS7 link is not congested.
Unanswered Group Reset Message—Signaling (32)
The Unanswered Group Reset Message event serves as a warning that a GRS message was not answered.
The primary cause of the event is that a a GRS message was not acknowledged before the T23 expired
for the associated CIC. To correct the primary cause of the event, Verify that the SS7 signaling adapter
processes is running normally. verify that the call agent platform is active. Verify that the SS7 interface
hardware is in service. Verify that the associated SS7 signaling link is available. Verify that the T13
timer is set to an appropriate level. Verify that the SS7 link is not congested.
Cisco BTS 10200 Softswitch Troubleshooting Guide, Release 5.0.x
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Chapter 10 Signaling Troubleshooting
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