Nortel Networks 9150 - Manual (Page 227)

Remote Gateway 9150 Installation and Administration Guide 197
January 2005 Configuring the Remote Gateway 9150 unit
Prioritizing voice traffic over shared networks
Prioritizing voice traffic on shared networks can improve QoS on LAN and
WAN segments of the network that support prioritization. Achieving the desired
QoS through prioritization over LAN connections requires you to enable 802.1Q
Mapping. Achieving the desired QoS through prioritization over WAN
connections requires you to enable the DiffServ CodePoint.
For more information on DiffServ, 802.1Q, and quality of service in general,
refer to “Evaluating your network”, and “Quality of service issues” in the
Remote Gateway 9100 Series Network Engineering Guidelines (NTP 555-8421-
103).