4-/8-/16-/24-/32-Port SIP Internet Telephony Gateway
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Failed: Analog phone could not be connected to FXS port or there’s something wrong with the
phone set
3.14.7
Network Capture
Network capture is a very important diagnostic tool for maintenance. It can be used to capture data
packages of the available network ports.
Default Setting is PCM capture
PCM capture helps to analysis voice stream between analog phone and DSP chipset.
To enable PCM capture
Select ‘PCM’ on Network Capture page
Click “
Start’
to enable PCM capture
Dialing out through gateway and start talking for a short, and then hanging up the call.
Click ‘
Stop’
to disable network capture
Save the capture file to local computer
The capture is named to ‘capture(x).pcap’, x is serial number of capture and will be added 1 next time. The
sample of PCM capture is shown below:
Getting started to Syslog capture
Syslog capture is another way to obtain syslog which is the same as remote syslog server and filelog. The capture
file is saved as pcap format so that it can be opened in some of capture software like Wireshark, Ethereal
software, etc.
To enable syslog capture
Select Syslog special only on Network Capture page
