Mitel MiVoice Business Voice Quality And Troubleshooting Manual page 78

Voice Quality Troubleshooting Guide
G
G.711 standard 25
G.722.2 standard 25
G.729a standard 25
Garbled voice, troubleshooting 49
Gateway errors 28
H
Handset audio tap
definition 4
for recordings 60
Hardware information 32
Hissing, troubleshooting 44
Hub, definition 4
Hum, troubleshooting 44
I
Interference, voltage 27
Internet speed test 60
IP network voice quality issues 22
Isolating, voice quality issues 39
ITU standards 25
J
Jitter
buffer, definition 5
definition 5
description 23
K
Knowledge base, checking 67
L
Latency
definition 5
in calls 22
in data network 22
Layer 2 switch
definition 5
general guidelines 28
Limits, for delay, packet loss and jitter 22
Line measure tool
definition 5
instructions 56
Line quality test 58
Local area network, definition 5
Loop start trunk settings incorrect 28
Loopback 57
72
Loss and level plan 28, 32
Low or high audio, troubleshooting 54
M
Methodology, for troubleshooting 31
Mitel knowledge base 67
MiVoice Business
platform errors 28
system diagnostics 65
troubleshooting guide 67
Motor boating, troubleshooting 44
Music on hold, troubleshooting distortion 50
N
Network analyzer 23
Network diagram, creating 37
Network Service Unit, definition 5
Network traffic analyzer
definition 5
description 59
Noise, background 27
Non-compliant devices 28
Non-linear processor, definition 5
O
Online service desk 67
P
Packet
delay, definition 6
loss definition 6
loss, description 24
Partner information 31
Ping
definition 6
test 62
Popping, troubleshooting 45
Priority 29
Problem details, collecting 32
PSTN connectivity 32
Purpose, of this guide 1
Q
Quality of service
definition 6
policies, guidelines 30
Questions, about voice quality 33