ZyXEL Communications ADSL2+ 4-port Security Gateway Support Notes page 20

More and more Telco/ISPs are providing three kinds of services (VoIP, Video
and Internet) over one existing ADSL connection.
• The different services (such as video, VoIP and Internet access) require
different Qulity of Service.
• The high priority is Voice (VoIP) data.
• The Medium priority is Video (IPTV) data.
• The low priority is internet access such as ftp etc ...
Triple Play is a port-based policy to forward packets from different LAN port to
different PVCs, thus you can configure each PVC separately to assign different
QoS to different application.
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P-662H-D Series Support Notes
19