3Com VCX V7000 Installation Manual page 367

Sample V6000 Media Gateway Configuration File (continued)
IPDiffServ — Sets the Differentiated Service Code Point value that is
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assigned to RTP packets. This value is used by DiffServ compatible
routers to prioritize how packets are sent. The minimum and
maximum values are 0 and 63.
ControlIPDiffServ — Defines the value of the DiffServ field in the IP
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header for SIP messages. Values range from 0 (zero, default) to 63.
DTMFVolume — The volume, specified in dBm, of DTMF tones sent to
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the Public Telephone Switched Network (PSTN). Values range from -31
dBm to 0 dBm in 1 dBm steps. The default is -11 dBm.
InputGain — The gain control for received signals, specified in dB.
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Values range from -32 dB to 31 dB. The default value is 0 dB. NOTE:
This parameter should not be changed except by users with an
advanced knowledge of the Media Gateway. Changing it affects other
Media Gateway functions.
VoiceVolume — The gain control for voice, specified in dB. Values
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range from -32 dB to 31 dB. The default value is 0 (zero) dB.
EnableReversePolarity — Disable (0) or enable (1) the ability of the FXS
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module to reverse the line polarity on call answer if the polarity
reversal service has been enabled. The FXS module releases the call
when a second polarity reversal signal is detected.
EnableCurrentDisconnect — Disable (0) or enable (1) the ability of the
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FXO module to disconnect a call when the Current Disconnect signal is
detected. The default is 0 (disabled).
EnableDigitDelivery — Disable (0) or enable (1) the ability of the FXO
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and FXS modules to send DTMF digits to the port after the line
becomes active (offhook for FXS or seized for FXO).
ECE — Disable (0) or enable (1) echo cancellation.
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Configuration Files 365