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Chapter 5 Cisco Unified Real-Time Monitoring Tool Tracing, PerfMon Counters, and Alerts
Performance Monitoring in RTMT
Cisco SIP Stack
The Cisco SIP Stack object provides information about Session Initiation Protocol (SIP) stack statistics
that are generated or used by SIP devices such as SIP Proxy, SIP Redirect Server, SIP Registrar, and SIP
User Agent.
Table 5-35
contains information on Cisco SIP Stack counters.
ScriptResetAutomatically
This counter indicates the number of times that the system automatically reset the
script. The script resets based on the values that are specified in the Script Execution
Error Recovery Action and System Resource Error Recovery Action fields in the
SIP Normalization Script Configuration window in Cisco Unified CM
Administration. This counter specifies a count of the number of automatic script
resets after the last manual device reset; this counter increments every time the
Cisco Unified CM automatically resets a script due to script errors.
If the number in this counter is higher than expected, perform the following actions:
•
Check for a SIPNormalizationScriptError alarm.
•
Check for any resource-related alarms and counters in RTMT to determine
whether a resource issue is occurring.
•
Check for any unexpected SIP normalization events in the SDI trace files.
Table 5-34
Cisco SIP Normalization (continued)
Display Name
Description
Table 5-35
Cisco SIP Stack
Counters
Counter Description
AckIns
This counter represents the total number of ACK requests that the SIP device
received.
AckOuts
This counter represents the total number of ACK requests that the SIP device sent.
ByeIns
This counter represents the total number of BYE requests that the SIP device
received. This number includes retransmission.
ByeOuts
This counter represents the total number of BYE requests that the SIP device sent.
This number includes retransmission.
CancelIns
This counter represents the total number of CANCEL requests that the SIP device
received. This number includes retransmission.
CancelOuts
This counter represents the total number of CANCEL requests that the SIP device
sent. This number includes retransmission.
CCBsAllocated
This counter represents the number of Call Control Blocks (CCB) that are
currently in use by the SIP stack. Each active SIP dialog uses one CCB.
GlobalFailedClassIns
This counter represents the total number of 6xx class SIP responses that the SIP
device received. This number includes retransmission. This class of responses
indicates that a SIP device, that is providing a client function, received a failure
response message. Generally, the responses indicate that a server had definitive
information on a particular called party and not just the particular instance in the
Request-URI.
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