Fault Management > Troubleshooting Guide

Use different methods for troubleshooting faults on different trunks.

ϒ⁄This topic describes the background on trunks, which helps to troubleshoot faults.

ϒ⁄This topic describes how to troubleshoot E1/T1 trunk exceptions.

ϒ⁄This topic describes how to troubleshoot a call fail that occurs on the PRA trunk.

ϒ⁄This topic describes common SIP trunk fault and how to analyze and troubleshoot the fault occurs on the SIP trunk.

ϒ⁄This topic describes how to troubleshoot a call fails that occurs on the SS7 trunk.

ϒ⁄This topic describes how to troubleshoot a call fails that occurs on the R2 trunk.

ϒ⁄This topic describes common AT0 trunk faults and their rectification methods.