User`s manual

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-mindelay the minimum jitter buffer size. (Default value= 90 ms)
-maxdelay the minimum jitter buffer size. (Default value= 150 ms)
usr/config$ voice –mindelay 90 –maxdelay 150 -optfacor 7
-echo activate each canceller (1 = ON; 0 = OFF).
Note: be sure to know well the application before you change voice
parameters because this might cause incompatibility.
3.2.17 [tos] command
ToS service allows users to achieve QoS on IP network.
usr/config$ tos
IP Packet ToS(type of Service)/Differentiated Service configuration
Usage:
tos [-rtptype dscp]
tos [-sigtype dscp]
tos -print
Example:
tos -rtptype 7 -sigtype 0
usr/config$
Parameter Usages:
-print display current ToS values configurations.
-sigtype configure DSCP value of signaling packets from 0 to 63
-rtptype configure DSCP value of RTP packets from 0 to 63
Note:
1. Users should be aware that ToS is effective only when network