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HUAWEI VP9050 Executive Video Terminal
User Guide
13 Maintenance and Troubleshooting
Issue 03 (2011-12-10) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd
97
Problem Possible Cause Solution
If audio is output from the
display properly when the
audio test is performed, it
indicates that the problem
exists at the remote site.
The microphone at the remote site
has been muted or the chair site
has muted the microphone of the
remote site.
No audio transducer, such as a
microphone, is connected to the
audio interface that is set as the
audio source. In this case, set the
audio source again or connect a
sound pickup device to the
corresponding interface.
The relevant sound pickup device
is powered off. In this case, power
on the device.
The audio cable is not connected
securely. In this case, connect the
audio cable properly.
After the local site
joins a conference,
only the sound from
the local site can be
output from the
display and the
other sites cannot be
heard.
A loopback test is being
performed at the local site.
Stop all local and remote loopback
tests.
Conference Initiation
Table 13-10 describes the troubleshooting methods for the problems that arise during
conference control.