Table of Contents
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Cisco IP Telephony Troubleshooting Guide for Cisco CallManager Release 3.0(1)
Hookflash (definition) ................................. 7
ICCP (definition)......................................... 7
Initialization
Cisco CallManager................................ 55
Cisco IP Phone ...................................... 50
Inter-Cluster
Cisco IP Phone-to-Cisco IP Phone call,
case study .......................................... 73
H.323 communication ........................... 73
Intra-Cluster
Case study ............................................. 50
Cisco CallManager call flow................. 59
Cisco IP Phone-to-Cisco IP Phone call
flow ................................................... 53
IOS (definition) ........................................... 6
Ip Address
Converting in CDRs.............................. 80
ISDN (definition) ........................................ 7
Jitter (definition).......................................... 7
K
KeepAlive
Cisco CallManager process................... 58
L
Locations ................................................... 32
Lost Audio Problem .................................. 21
M
Media Termination Point
and one-way audio ................................ 27
Media Termination Point (MTP)
Resource problem.................................. 35
MGCP (definition) ...................................... 7
MTP (definition) ......................................... 7
N
Network Analyzer ..................................... 18
No Audio ................................................... 26
© 2000 Cisco Systems, Inc.
I
J
O
One-Way Audio ........................................ 26
and Media Termination Point................ 27
Partition (definition).................................... 7
Partitions.................................................... 38
Payload Types
CDRs ..................................................... 89
PBX (definition).......................................... 7
Performance Monitor ................................ 11
Customizing .......................................... 11
Opening ................................................. 11
Phone Resets ............................................. 27
PRI (definition) ........................................... 8
Problem ..................................................... 21
Admission rejects (ARJ) ....................... 48
Cisco CallManager feature issues ......... 31
Codec Mismatch.................................... 31
Conference bridge ................................. 32
Crackling audio ..................................... 25
Dial plans .............................................. 37
Dropped calls ........................................ 28
Echo....................................................... 25
Gatekeeper............................................. 48
Gateway registration ............................. 43
Locations ............................................... 32
Lost or distorted audio .......................... 21
MTP resources ...................................... 35
One-way audio and Media Termination
Point .................................................. 27
One-way or no audio............................. 26
Partitions ............................................... 38
Phone resets........................................... 27
Registration rejects (RRJ) ..................... 49
Reorder tone through gateways............. 42
Security ................................................. 40
Transcoding........................................... 33
Voice quality ......................................... 21
Process
Cisco CallManager initialization........... 55
Cisco CallManager KeepAlive ............. 58
Cisco CallManager registration............. 57
Cisco IP Phone initialization................. 50
Self-starting processes........................... 56
Skinny Station registration.................... 52
P
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