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Table of Contents
PRI Debug Commands ................................................................................250
Troubleshooting Analog Trunks ........................................................................251
Basic Troubleshooting..................................................................................251
Troubleshooting Signaling Problems ...........................................................252
Troubleshooting T1 Trunks (D4 DS-1) ..............................................................263
Synchronization............................................................................................263
Signaling Types............................................................................................264
Test/Verify (T1) ............................................................................................264
Troubleshooting Voice Mail ...............................................................................268
SX-200 ICP Property Management System Interface ......................................270
Property Management System Messages ...................................................270
SX-200 ICP and PMS Cannot Communicate...............................................273
Testing the PMS Interface of the PBX .........................................................273
Chapter 7 : Advanced Troubleshooting and Repair
About this Chapter ............................................................................................277
General Network Troubleshooting ....................................................................278
Check List ....................................................................................................278
Troubleshooting IP Phone Connectivity ............................................................280
Using a network analyzer to debug..............................................................280
Connectivity problems..................................................................................280
Troubleshooting IP Phone Registration .......................................................281
IP Phone Analyzer .......................................................................................289
Troubleshooting Phone Audio Quality ..............................................................291
Troubleshooting IP Trunks ................................................................................294
CDE Check List............................................................................................294
IP Check List................................................................................................296
Appendix A : Default Database Values
Default Database ..............................................................................................299
Default Database Values .............................................................................301
Appendix B : Part Numbers......................................................................351
Appendix C : System Cabling..................................................................365
Appendix D : Phones and Features.........................................................377
Appendix E : Handling Fiber Optic Cables
Guidelines for Handling Fiber Optic Cable ........................................................395
Specifications...............................................................................................395
Operation .....................................................................................................396