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SIP Multimedia PC Client User Guide
[Standard—Nortel Networks Confidential]
I am using a headset and cannot speak when the other
party is speaking
You may have the Echo Reducer set too high. The Echo Reducer is intended for
people who are using their computer's speakers instead of a headset (with
microphone. If you have a headset, it is recommended that you deselect the
'Enable Echo Reducer' checkbox as your headset microphone should not pick up
any of the sounds coming out of the headset.
If this is not the problem, you may not have a full duplex sound card (some
laptops default to half duplex mode).
I can use my headphones for listening to music from my
laptop, but cannot hear or talk during calls
Try plugging your headset directly into your laptop, instead of into the docking
station.
Configuration and administration problems
Some common configuration questions are discussed in the following sections.
Windows NT NMXNT32.DLL - 4.03.00.2041
NMXNT.SYS - 4.03.00.2041
Windows 2000 NM5A2WDM.SYS - 5.00.2144.1
WDMAUD.DRV - 5.00.2184.1
Windows XP NM6WDM.SYS - 5.1.2461.0
WDMAUD.DRV - 5.1.2481.0
Table 3 NeoMagic sound card drivers