User's Manual

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RTP/Codec settingsTelephony
12-10
3EQ-10422-AAAA-TCZZA
Edition 01 February 2011
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Table 12-4 Field descriptions
Field Description
Primary Codec A codec (coder/decoder) codes analog voice signals
into digital signals and decodes the digital signals
back into analog voice signals. Please select to give
the priorities of your codec.
Secondary Codec Please select to give the priorities of your codec.
Tertiary Codec Please select to give the priorities of your codec.
Quaternary Codec Please select to give the priorities of your codec.
T.38 Fax Check T.38 to let the device send fax messages
through IP networks.
Max Bit Rate Please select the maximum bit rate in bits per second
for your fax message.
Rate Management Select the data rate management method.
Local data rate management requires that the
training signal be generated locally.
Network data rate management requires that the
training signal be transferred over network.
Network is the default value.
FAX Pass Through Select to allow Fax Pass Through method.
RTP Min Port Enter the minimum port range of the RTP listening
port.
RTP Max Port Enter the maximum port range of the RTP listening
port.
DTMF mode Please indicate how your device should handle the
tones that your telephone will make when you push
the phone buttons.Please consult your VoIP service
provider.
RFC 2833: Sending the DTMF tones in RTP
packets.
PCM: Sending the DTMF tones in the voice data
stream.
SIP INFO: Sending the DTMF tones in SIP
messages.
Save Click to save the call statistics and call log.
Clear Click to clear the call statistics and call log.