Avaya Nortel Communication Server 1000 Manual page 290

290 Configuration of IP Telephony nodes using Element Manager
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Copyright © 2003–2008, Nortel Networks
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Figure 66
QoS window
The Differentiated Service (DiffServ) CodePoint (DSCP) value
determines the priorities of the management and voice packets in
the IP Line network. The range for both management and voice
packet DiffServ is 0 to 63 inclusive.
The DiffServ value can be configured, if required, to obtain better
QoS over the IP data network (LAN/WAN).
The value entered depends on the policy in the customer data
network.
Do not change DiffServ from the default values unless instructed by the
IP network administrator.
Only modify the Control packets priority and Voice packets priority
values as and when directed by the IP network administrator.
The recommended configuration values are as follows:
Nortel Communication Server 1000
IP Line Fundamentals
NN43100-500 02.02 Standard
Release 5.5 4 February 2008
ATTENTION