Cisco Systems 30 VIP manual

Cisco IP Telephony Troubleshooting Guide for Cisco CallManager Release 3.0(1)

Cisco IP Telephony Troubleshooting Guide

for Cisco CallManager Release 3.0(1)

Contents

Purpose............................................................................................................................................ 4

Version............................................................................................................................................ 4

Topology......................................................................................................................................... 4

Documentation Checklist............................................................................................................ 5

Glossary of Terms........................................................................................................................... 6

Tools and Utilities to Monitor and Troubleshoot Cisco CallManager..........................................10

Cisco CallManager Administration Details.............................................................................. 10

Microsoft Performance..............................................................................................................11

Opening Microsoft Performance........................................................................................... 11

Customizing Performance..................................................................................................... 11

Microsoft Event Viewer............................................................................................................ 12

Opening Event Viewer.......................................................................................................... 12

Detailed Information about Events .......................................................................................13

SDI Trace.................................................................................................................................. 13

SDI Trace Output.................................................................................................................. 13

Configuring Traces................................................................................................................14

SDL Trace................................................................................................................................. 15

Enabling SDL Trace..............................................................................................................15

Disk Space Warning..............................................................................................................17

Sniffer Trace..............................................................................................................................18

Sniffer Trace Applications.................................................................................................... 18

Call Detail Records (CDR) and Call Management Records (CMR) ........................................18

Enabling or Disabling CDRs.................................................................................................19

CDRs..................................................................................................................................... 20

Diagnostic CDRs (Also Known As CMRs)..........................................................................20

Problem Categories....................................................................................................................... 21

Voice Quality............................................................................................................................ 21

Lost or Distorted Audio.........................................................................................................21

i Button Help......................................................................................................................... 24

Crackling............................................................................................................................... 25

Check Your Loads.................................................................................................................25

Echo.......................................................................................................................................25

Check Your Loads.............................................................................................................26

One-Way Audio or No Audio............................................................................................... 26

MTP and One-Way Audio.................................................................................................... 27

Phone Resets .............................................................................................................................27

Dropped Calls............................................................................................................................28

Check Your Loads.................................................................................................................31

Cisco CallManager Feature Issues............................................................................................ 31

Codec/Regions: Codec Mismatch......................................................................................... 31

Locations............................................................................................................................... 32