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12-6 Troubleshooting
NEC MH150/MH160 Mobile Handset Administration Guide - Revision 2
No Net Found
No APs
Handset cannot find any APs.
This indicates any of the following:
No radio link.
No ESSID: Auto-learn not supported (or) incorrect
ESSID.
AP does not support appropriate data rates.
Out of range.
Incorrect Security settings.
Verify that the AP is turned on.
Verify the ESSID of the wireless LAN and enter or
Autolearn it again if required.
Check the AP configuration against Configuration
Guide for AP.
Try getting closer to an AP. Check to see if other
handsets are working within the same range of an
AP. If so, check the ESSID of this handset.
Verify that all the Security settings in the handset
match those in the APs.
No Net Found
No CCX APs
The mobile handset is configured for CCX
compatible operation, but cannot find an access
point that is advertising CCX capability.
Check the AP configuration against Configuration
Guide for AP.
No Net Found
No CCKM APs
The mobile handset is configured to use CCKM
for fast and secure handoffs, but cannot find an
access point that is configured appropriately.
Check the AP configuration against Configuration
Guide for AP.
No Net Found
No WMM APs
The mobile handset is configured to use Wi-Fi
Standard QoS, but cannot find an AP configured
appropriately.
Check the AP configuration against Configuration
Guide for AP.
No Net Found
xxxxxxxxxxxx yy
x…x = AP MAC address.
yy = AP signal strength.
Handset cannot find a suitable AP; displays MAC
and signal strength of “best” non-suitable AP
found.
Check AP and handset network settings such as
ESSID, Security, Reg domain and Tx power.
Ensure APs are configured per Configuration
Guide.
Try Site Survey mode to determine a more
specific cause.
No PBX Response
The handset has exceeded its retransmission
limit with no ACK response from PBX.
Verify that PBX IP address and port are properly
configured.
No Reg Domain
Regulatory Domain Not Set. Configure the Regulatory Domain of the handset.
No SIP DHCP
DHCP is configured but no valid SIP option 43
was found.
Check DHCP configuration for option 43 and
reconfigure if required.
No SIP TFTP IP
No IP address has been entered for the SIP TFTP
server.
In static IP mode the SIP TFTP server address
must be entered in the administrative menus.
No SIP user file
The phone is attempting to download a SIP
configuration file from the SIP TFTP server. A file
must be available for the username that was
entered either in the admin menus or as
requested at power-on.
Ensure a SIP configuration file is available on the
SIP TFTP server and is named as specified
(sip_username.cfg).
No SVP IP
The handset is configured for “Static IP” (as
opposed to “use DHCP”), and no valid WLAN
Voice Gateway address has been entered.
Enter a valid WLAN Voice Gateway IP address in
the configuration setting or change to “use
DHCP.”
No SVP Response
yyy.yyy.yyy.yyy
y…y = SVP Server IP address.
Handset has lost contact with the SVP Server.
This may be caused by bad radio reception or a
problem with the WLAN Voice Gateway. The
handset will keep trying to fix the problem for 20
seconds, and the message may clear by itself. If
it does not, the handset will restart. Report this
problem to the system administrator if it keeps
happening.
Message Description Action