Beyond fault recovery, in many cases, the use of SIP for Packet
Trunking performance monitoring will provide the means to prevent
SIP for Packet Trunking error conditions from occurring in the office.
Corollary to this assumption of performance monitoring for both the
near-end and far-end offices, most error conditions that occur will
probably involve the intermediate network equipment such as the edge
switch or the router. If there are no other observable office conditions
such as SIP for Packet Trunking based audits, asserts,
Machine-Detected Interoffice Irregularity (MDII) reports, error reports,
or Master Control Center (MCC) status indicators, check the
intermediate network equipment and the far office for problems.
Overview
Maintenance Considerations
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Lucent Technologies 235-200-118
Issue 3.02B, March 2007