WG3100-Series GSM VoIP Gateway User Manual
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Techroutes Network Pvt. Ltd.
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4.11.7 Network Capture
Network capture is a very important diagnostic tool for maintenance. This section is describes how to enable network capture.
Voice stream transmit path of the gateway as below:
Getting start to PCM capture
PCM capture is help to analysis voice stream between GSM/CDMA modular and DSP chipset.
To enable PCM capture
S
elect ‘PCM only’ on Network Capture page
Click “
Start’
to enable PCM capture
Dialing out through gateway, start talking a short while then hangup the call.
Click ‘
Stop’
to disable network capture
Save the capture file to local computer
The capture is nam
ed to ‘capture(x).pcap’, x is serial number of capture and will be added 1 in next time. The sample of PCM
capture as below: