ASCOM I62 Troubleshoot Manual

TD 92685EN
28 June 2012 / Ver. A
Troubleshooting Guide
Ascom i62 VoWiFi Handset
77
Index
A
Access Layer.............................................................. 11
Access Point (AP)........................................................ 6
association with................................................. 10
BSS......................................................................... 10
BSSID..................................................................... 10
MAC address .......................................................... 6
B
Beacon
periods.................................................................. 14
Beacons....................................................................... 13
in DFS channel probing .................................... 19
in passive scanning ........................................... 13
QoS setting.......................................................... 55
C
Coverage........................................................................ 6
checking with range beep ............................... 35
in roaming tests................................................. 35
planning .................................................................. 7
roaming implications........................................ 17
site survey ................................................ 8, 33, 48
H
Handset ...................................................................... 10
active scanning .................................................. 13
as troubleshooting tool.................................... 33
as wireless client......................................... 10–28
creating heatmaps ............................................ 34
passive scanning................................................ 13
power management ......................................... 13
protocol layers.................................................... 10
range beep .......................................................... 34
site survey tool................................................... 33
startup procedure.............................................. 12
web interface...................................................... 36
Handset Messages
Messaging only .................................................. 53
No access ............................................................. 52
No channel available......................................... 54
No Network ......................................................... 50
Voice only ............................................................ 54
M
MAC................................................................................. 5
address resolution............................................. 12
AP ............................................................................. 6
physical sublayers ............................................. 10
N
No Access message in handset ............................ 52
No Channel message in handset .......................... 54
P
Ping utility ................................................................. 38
Portable Device Manager (PDM) ............................. 3
R
Range Beep ................................................................ 35
level ....................................................................... 35
Roaming.............................................................. 17–19
in call mode ......................................................... 18
in idle mode......................................................... 18
system-aided ...................................................... 19
S
Session Initiation Protocol (SIP)
overview....................................................... 20–28
port numbers ...................................................... 21
redirection server............................................... 26
SDP......................................................................... 22
troubleshooting scenarios ....................... 40–47
Shortcuts .................................................................... 33
display RSSI ......................................................... 33
to admin menu ................................................... 36
to device info ...................................................... 33
to site survey tool.............................................. 33
Statistics..................................................................... 36
voice calls ............................................................. 37
WLAN connectivity ............................................ 38
T
Technical Assistance Centre (TAC).......................... 5
Traceroute utility...................................................... 39
U
U-APSD
AP support........................................................... 55
defined in WMM .......................................... 15, 56
in power save mode ................................... 15, 54
troubleshooting.................................................. 55
troubleshooting example......................... 55–59
V
Voice Activity Detection (VAD)............................. 47
Voice Only message in handset............................ 54
W
WLAN
overview.................................................................. 6
Service Set Identifier (SSID) ............................ 10
WLAN Troubleshooting Scenarios
................ 47–49

ASCOM I62 Specifications

General

Display	2.4 inch QVGA
Connectivity	Wi-Fi, Bluetooth
Battery	Li-ion
Technology	GSM
Key features	Bluetooth, Wi-Fi