26 June 2012 33
Configuration Manual
Alcatel-Lucent OmniTouch 8118/8128 WLAN Handset
Battery life is bad DTIM might not be set
correctly.
U-APSD is not used.
Cisco/Ekahau location
client settings needs to be
changed.
1) Check “Beacon interval” and
“DTIM” settings in the AP.
2) Verify the coverage, since low
signal strength will make the VoWiFi
Handset to constantly search for other
APs and thereby consuming more
power.
3) Use a sniffer and check the amount
of broadcast traffic that is transmitted
on the WLAN.
4) Check if correct models of the
chargers are used.
5) Verify with another battery.
6) If the system is supposed to use U-
APSD for voice calls check the voice
power save mode parameter in the
WinPDM.
7) If using Cisco/Ekahau location
client, change the settings.
Fault Probable cause Action or comment
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