User's Guide

HUAWEI TE30 Videoconferencing Endpoint
User Guide
12 Troubleshooting
Issue 01 (2013-03-27)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
99
Problem
Possible Cause
Solution
using the IP address.
The local endpoint is on a
private network while the
remote endpoint is on a public
or different private network,
and the NAT settings are
incorrect. Check whether your
TE30 can communicate with a
public network. If it cannot,
the NAT settings are
incorrect.
Choose Advanced Settings >
Settings > Network > Firewall
and verify the NAT settings.
The GK with which the local
or remote endpoint is
registered does not support the
function to place calls using
the IP address.
Choose Advanced Settings >
Settings > Network > IP > H.323
at the local and remote sites
respectively, and disable the GK.
After the startup, the
TE30 fails to
register with the
GK.
The parameters (GK address,
encryption password, and user
name) used for GK
registration are incorrect.
On the endpoint web interface,
choose Advanced Settings >
Settings > Network > IP > H.323
and correct the settings.
Another site with the same
number as the local site has
already been registered with
the GK.
Contact the videoconferencing
system administrator to check
whether another site with the same
number as the local site has
already been registered with the
GK. If such a site exists, change
the user name of the local site.
The TE30 is disconnected
from a network.
Access the Line Status screen and
check whether the IP network
connection is broken. If it is
broken, verify the IP network
settings. Ensure that the IP
network cable is connected
properly.
The local endpoint is on a
private network while the GK
is on a public network, and the
NAT settings are incorrect.
Check whether your TE30 can
communicate with the public
network. If the TE30 cannot,
the NAT settings are
incorrect.
Choose Advanced Settings >
Settings > Network > Firewall
and verify the NAT settings.
The listening port of the GK,
such as port 1719, is restricted
by the network firewall.
Contact the videoconferencing
system administrator to solve the
problem.
A predefine
conference fails to
be initiated on the
The TE30 is disconnected
from the videoconferencing
network.
Check the network and rectify
relevant faults.