Figure 4: Fixing A Static Ip; Figure 5: Static Ip; Figure 6: Enable Qos - Grandstream Networks GWN7000 User Manual

1. Supposing that the device is correctly connected to the a GWN7000 Network and has an IP, it is advised
to set a static IP for the device in question.
To set a static IP for the device on which traffic need to be prioritized, access to GWN7000 WebGUI 
Clients and click on edit icon next to the device to set a static IP as shown in below figure.
2. Once set, go to RouterQoSGlobal and make sure that the related WAN port on which the device
belongs to is enabled and has a "Downstream" and "Upstream" bandwidth values.
3. Check "Enable QoS" (a Reboot of GWN7000 will be required after finishing all QoS setup) and click on
"Save".
4. Navigate to Router QoS  Upstream QoS.
5. On "Traffic Class", click "Add" to create a traffic Class in order to set the priority, choose the WAN
Interface set on previous step, and define the Upstream bandwidth value.

Figure 4: Fixing a Static IP

Figure 5: Static IP

Figure 6: Enable QoS

QoS in VoIP Environment Guide
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