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9-4 Diagnostic Tools
NEC MH150/MH160 Mobile Handset Administration Guide - Revision 2
Solving coverage issues
Coverage issues are best resolved by adding and/or relocating APs.
Overlap issues may be resolved by reass
igning channels to the APs or
by relocating them. See “Access Point Problems” on page 12-1 for more
information.
Diagnostics Enabled
Diagnostics is used to evaluate the overall quality of the link between
the handset, AP, and infrastructure side equipment, such as IP PBX,
WLAN Voice Gateway, and gateways. Unlike Site Survey, Diagnostics
is used while the functional code is running, and during a call.
When Di
agnostics is enabled in the Admin menu, the handset can
display diagnostic screens any time it is in active mode.
The display of information is insti
gated by pressing the Nav◄ or Nav►
key. Only four of the diagnostic counters listed below can be shown at a
time. Pressing the Nav keys multiple times will cycle through the
various counters and the normal off-hook (IP-PBX) display. The numeric
icon at the top of the display indicates what screen number is being
displayed. For example: The first time the Nav key is pressed, the 1
icon is shown, and the first four counters are displayed. The next time it
is pressed, the 2 icon is shown, and the next four counters are
displayed. The counters will be cycled through in this fashion until there
are no more counters to be displayed. After all the counters have been
displayed, the screen returns to the normal off-hook IP-PBX screen.
The information provided by Diagnostic
s includes:
Screen 1
• Missed receive packet count since power up (MissedRcvCnt)
• Missed transmit packet count since power up (MissedXmtCnt)
• Receive retry count since power up (RxRetryCount)
• Transmit retry count since power up (TxRetryCount)
Figure 9-5
Diagnostics screen 1
M i s s e d R c v C n t n n n n
M i s s e d X m t C n t n n n n
R x R e t r y C o u n t n n n n
T x R e t r y C o u n t n n n n