7 Maintenance Considerations
Overview
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Purpose
The purpose of this chapter is to provide the routine and corrective
maintenance procedures that are unique to the Session Initiation
Protocol (SIP) feature. Please refer to the Routine Operations and
Maintenance Procedures, 235-105-210, Corrective Maintenance
Procedures, 235-105-220, and System Recovery, 235-105-250, for
additional support.
This chapter is subdivided into three subsections: Routine
Maintenance, Corrective Maintenance, and Performance Monitoring.
When system faults occur in a Global Switching Module (GSM),
maintenance software automatically attempts to recover from the
failure or at least minimize the impact on system operation. If fault
recovery cannot correct the problems, look for offnormal conditions
among the following: associated Packet Switching Units (PSUs)
and/or Protocol Handlers (PHs), Stream Control Transmission Protocol
(SCTP) endpoints, SCTP heartbeat, SCTP associations and/or sets,
provisioned processor groups (PCRGRPs), LLE2 paddleboard,
Ethernet Links, General Quad Link Packet Switch (QLPS) Protocol
Handler (GQPH) QPipes, general message transport, and intermediate
network equipment such as an external router. In the case of problems
with the intermediate network equipment, refer to troubleshooting
documentation associated with that product. This chapter provides
direction for all other problems listed.
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235-200-118
Issue 3.02B, March 2007
Lucent Technologies
7-1
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