Siemens CL-110-I - Manual (Page 109)

Chapter 5:Connection Mode
you want to invoke the QoS traffic rule.
Destination Port:
Type in the destination port for the traffic
rule. The range is from 0 to 65535.
Traffic Priority:
There are three options – Low, Medium, and
High that you can choose. It decides the
order of each data transmitted through this
device.
IP Precedence:
The number you choose here decides the
type of the IP address processed. No change
is the default setting.
IP type of Service:
The system provides some types of service
for you to choose. The meaning of each type
is the same as the denotation. The default
one is No change.
After you click Apply, the new QoS setting
will be shown on the graphic as the right
side. To delete the one you set, simply click
the check button below Delete item and click
Delete button.
Voice Quality
Check this item to guarantee the best voice
quality for the VoIP phone call.
Port Mapping
This page allows you to configure various
port mapping groups which contains specific
Internet connections and LAN ports. All the
user data can be only transmitted and
received among the interfaces in the groups
that you specified in this page.