Avaya 3641 - Page 26

Part A: Avaya Voice Priority Processor
26 Avaya Voice Priority Processor, Avaya 3641/3645 Wireless IP Telephone, Handset Administration Tool
When forwarding packets, the AVPP Server shall always overwrite the received DSCP
value. The final DSCP tag for packets in each of the traffic classes are assigned a
DSCP value based on the following rules. (Please see table on next page.)
• If both Administration and the Traffic Class setting is Default, the Default value as
shown in the table below will be used.
• If Administration is set at any number (Value X) other than Default, that setting
(Value X) it will override the Default value of the Traffic Class.
• If any of the Traffic Class settings are set at any value (Value Y) other than Default,
that setting (Value Y) will override the Administration setting.
Administration
Traffic Class Default Value X
WT (In call)
Priority High
Default 4 X
Value Y Y Y
WT (Standby)
Priority Med
Default 0 X
Value Y Y Y
RTP
Priority High
Default 4 X
Value Y Y Y
PBX
Priority Med
Default 0 X
Value Y Y Y
Inter-SVP2
Priority Med
Default 0 X
Value Y Y Y
Administration
Priority Low
Default 0 X
Value Y Y Y

Note: Default DSCP settings will mark traffic for Best Effort handling under
normal circumstances. Please consider changing these values based on the
recommended QoS settings from your network hardware manufacturer to
achieve prioritization for your voice traffic.