VoIP Setting
DiffServ Setting
ToS/DiffServ (Type of Service/DSCP): The voice packet has the highest priority to ensure
telecommunication quality; the larger the value you set, the higher priority you will get.
SIP TOS- Select Enabled or Disabled. Default is: Minimize-Delay
RTP TOS- Select Enabled or Disabled. Default is: Minimize-Delay
QOS Priority Setting- Select Enabled or Disabled. Default is: disable
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DVG-5121SP User's Manual
D-Link Corporation