Request Utility Call Trace
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Purpose
This procedure requests a utility call trace of the resources used by a
SIP signaling call that is in progress to verify the signaling and bearer
paths.
When to use
According to local practices for routine maintenance, use this
procedure to conduct a call trace of a SIP signaling call.
Related information
Refer to the Input Messages Manual, 235-600-700 and the Output
Messages Manual, 235-600-750, for additional information.
Admonishments
None
Before you begin
Required Tools
• Use of Master Control Center (MCC) or Supplementary trunk
line workstation (STLWS).
Required Material
• The switch must be running a 5E16.2 FR3 software release or
later with the SIP for Packet Trunking feature software.
Required Information
• LTAG value can be derived from the output of a trace initiated at
the circuit side of the connection or from the SIP header message
output of the protocol trace.
Required Conditions
• SIP signaling call is in progress.
Procedure
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1
Request a utility call trace:
TRC:UTIL,LTAG=a-b-c-d-e;
Where:
a = Global SM index
b = Processor group number
c = Global switch module number
d = Map Tag index
Maintenance Considerations
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7-26
Lucent Technologies 235-200-118
Issue 3.02B, March 2007
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