Clear-Com VOICE2 - Manual (Page 68)

Vitec Group Communications
VoICE IP Interface User Manual
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The codec configured on the server is not relevant. The client chooses
the codec when it connects to the server. The statistics tab in the
Interface will show the codec really used in the connection.
6. The voICE units are connected and sound is coming out but
there are many clicks and I am losing parts of the conversation.
The IP communication between the is bad. Try the following:
a. Increase the maximum jitter range.
b. Select a lower bandwidth codec.
7. The VoICE units are connected and sound is coming out but it
is muffled. It sounds as if the treble control had been turned all
the way down.
The sampling rate is not sufficient for your needs. Select a codec with
a higher sampling rate.
8. The VoICE units are connected and sound is coming out but I
constantly have echo coming back to me.
The echo cancel is either turned off or not properly configured. Verify
the Echo tail setting in the Configuration/ tab of the at the far-end.
When it comes to echo tail length, longer is NOT necessarily better.
Actually, the longer the tail length, the longer it takes for the filter to
adapt. But a tail length that is too short will not cancel enough echo.
Try to adjust the echo tail to fit your needs. Remember that setting the
echo tail to zero (0) will disable the echo cancel feature.
9. How can I get the physical address (MAC address) of a VoICE
unit.
The physical address of a VoICE unit can be obtained via the IP to
physical address translation table used by the Address Resolution
Protocol (ARP) when the host PC and the VoICE unit are on the same
network.
Open a DOS window and type the command ‘arp -d’ to clear the
current table, then ping the VoICE unit with the DOS command ‘ping