10-19
Cisco BTS 10200 Softswitch Troubleshooting Guide, Release 5.0.x
OL-8723-19
Chapter 10 Signaling Troubleshooting
Signaling Events and Alarms
SIGNALING (30)
To monitor and correct the cause of the event, refer to the
“Unanswered Circuit Validation Test
Message—Signaling (30)” section on page 10-102
.
DESCRIPTION
Unanswered Circuit Validation Test Message (Unanswered CVT)
SEVERITY
WARNING
THRESHOLD
100
THROTTLE
0
DATAWORDS
CIC Number–TWO_BYTES
TGN-ID–FOUR_BYTES
DPC–STRING [20]
OPC–STRING [20]
PRIMARY
CAUSE
Issued when a circuit validation test (CVT) message was not acknowledged before the Tcvt expired
for the associated CIC.
PRIMARY
ACTION
Verify that the SS7 signaling adapter processes is running normally.
SECONDARY
ACTION
Verify that the call agent platform is active.
TERNARY
ACTION
Verify that the SS7 interface hardware is in service.
SUBSEQUENT
ACTION
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.
