Alcatel-Lucent OmniPCX Office Installation Manual page 143

The IBS is fitted with a software device that analyses audio signals and eliminates echo and
noises. This device is activated by default.
When an IBS is deployed in a noisy environment, a lot of signals, including Speech ones, are
eliminated while in Conversation state. This leads to bad Speech quality.
You have the option to disable the echo canceller. In that way, the speech and the noise
signals are not filtered. It is then to the user to identify the speech.
Frequency plan
In OMC, go to System Miscellaneous# DECT/PWT Frequencies to select signals. In OMC,
you can configure both the DECT and PWT frequency plans, regardless of what types of
handsets are plugged on the system.
Note 2:
Due to hardware, there is a limit in the number of channels that you can configure.
You can configure the following numbers of channels:
-
DECT EUROPE, LATAM, CHINA: 1, 2, 4, 5, 8, 10 channels
-
DECT US: 1, 2, 4, 5 channels
-
PWT: 1, 2, 4, 5, 8 channels
4.10.1.9 Initialization
Figure 4.68: DECT/PWT Frequencies
4-95